}
btrfs_item_key_to_cpu(path->nodes[0], found_key, path->slots[0]);
if (found_key->type == BTRFS_METADATA_ITEM_KEY)
- size = fs_info->extent_root->nodesize;
+ size = fs_info->nodesize;
else if (found_key->type == BTRFS_EXTENT_ITEM_KEY)
size = found_key->offset;
struct list_head *dev_head = &fs_devices->devices;
struct btrfs_device *device;
- if (root->nodesize & ((u64)PAGE_SIZE - 1)) {
+ if (root->fs_info->nodesize & ((u64)PAGE_SIZE - 1)) {
pr_info("btrfsic: cannot handle nodesize %d not being a multiple of PAGE_SIZE %ld!\n",
- root->nodesize, PAGE_SIZE);
+ root->fs_info->nodesize, PAGE_SIZE);
return -1;
}
- if (root->sectorsize & ((u64)PAGE_SIZE - 1)) {
+ if (root->fs_info->sectorsize & ((u64)PAGE_SIZE - 1)) {
pr_info("btrfsic: cannot handle sectorsize %d not being a multiple of PAGE_SIZE %ld!\n",
- root->sectorsize, PAGE_SIZE);
+ root->fs_info->sectorsize, PAGE_SIZE);
return -1;
}
state = kzalloc(sizeof(*state), GFP_KERNEL | __GFP_NOWARN | __GFP_REPEAT);
state->print_mask = print_mask;
state->include_extent_data = including_extent_data;
state->csum_size = 0;
- state->metablock_size = root->nodesize;
- state->datablock_size = root->sectorsize;
+ state->metablock_size = root->fs_info->nodesize;
+ state->datablock_size = root->fs_info->sectorsize;
INIT_LIST_HEAD(&state->all_blocks_list);
btrfsic_block_hashtable_init(&state->block_hashtable);
btrfsic_block_link_hashtable_init(&state->block_link_hashtable);
u16 csum_size = btrfs_super_csum_size(root->fs_info->super_copy);
return sizeof(struct compressed_bio) +
- (DIV_ROUND_UP(disk_size, root->sectorsize)) * csum_size;
+ (DIV_ROUND_UP(disk_size, root->fs_info->sectorsize)) * csum_size;
}
static struct bio *compressed_bio_alloc(struct block_device *bdev,
BUG_ON(ret); /* -ENOMEM */
}
sums += DIV_ROUND_UP(comp_bio->bi_iter.bi_size,
- root->sectorsize);
+ root->fs_info->sectorsize);
ret = btrfs_map_bio(root, comp_bio, mirror_num, 0);
if (ret) {
if (tm->op == MOD_LOG_KEY_REMOVE_WHILE_FREEING) {
BUG_ON(tm->slot != 0);
- eb_rewin = alloc_dummy_extent_buffer(fs_info, eb->start,
- eb->len);
+ eb_rewin = alloc_dummy_extent_buffer(fs_info, eb->start);
if (!eb_rewin) {
btrfs_tree_read_unlock_blocking(eb);
free_extent_buffer(eb);
btrfs_tree_read_lock(eb_rewin);
__tree_mod_log_rewind(fs_info, eb_rewin, time_seq, tm);
WARN_ON(btrfs_header_nritems(eb_rewin) >
- BTRFS_NODEPTRS_PER_BLOCK(fs_info->tree_root));
+ BTRFS_NODEPTRS_PER_BLOCK(fs_info));
return eb_rewin;
}
} else if (old_root) {
btrfs_tree_read_unlock(eb_root);
free_extent_buffer(eb_root);
- eb = alloc_dummy_extent_buffer(root->fs_info, logical,
- root->nodesize);
+ eb = alloc_dummy_extent_buffer(root->fs_info, logical);
} else {
btrfs_set_lock_blocking_rw(eb_root, BTRFS_READ_LOCK);
eb = btrfs_clone_extent_buffer(eb_root);
__tree_mod_log_rewind(root->fs_info, eb, time_seq, tm);
else
WARN_ON(btrfs_header_level(eb) != 0);
- WARN_ON(btrfs_header_nritems(eb) > BTRFS_NODEPTRS_PER_BLOCK(root));
+ WARN_ON(btrfs_header_nritems(eb) > BTRFS_NODEPTRS_PER_BLOCK(root->fs_info));
return eb;
}
WARN_ON(trans->transid != root->fs_info->generation);
parent_nritems = btrfs_header_nritems(parent);
- blocksize = root->nodesize;
+ blocksize = root->fs_info->nodesize;
end_slot = parent_nritems - 1;
if (parent_nritems <= 1)
return 0;
}
if (btrfs_header_nritems(mid) >
- BTRFS_NODEPTRS_PER_BLOCK(root) / 4)
+ BTRFS_NODEPTRS_PER_BLOCK(root->fs_info) / 4)
return 0;
left = read_node_slot(root, parent, pslot - 1);
btrfs_set_lock_blocking(left);
left_nr = btrfs_header_nritems(left);
- if (left_nr >= BTRFS_NODEPTRS_PER_BLOCK(root) - 1) {
+ if (left_nr >= BTRFS_NODEPTRS_PER_BLOCK(root->fs_info) - 1) {
wret = 1;
} else {
ret = btrfs_cow_block(trans, root, left, parent,
btrfs_set_lock_blocking(right);
right_nr = btrfs_header_nritems(right);
- if (right_nr >= BTRFS_NODEPTRS_PER_BLOCK(root) - 1) {
+ if (right_nr >= BTRFS_NODEPTRS_PER_BLOCK(root->fs_info) - 1) {
wret = 1;
} else {
ret = btrfs_cow_block(trans, root, right,
node = path->nodes[level];
search = btrfs_node_blockptr(node, slot);
- blocksize = root->nodesize;
+ blocksize = root->fs_info->nodesize;
eb = find_extent_buffer(root->fs_info, search);
if (eb) {
free_extent_buffer(eb);
{
int ret;
if ((p->search_for_split || ins_len > 0) && btrfs_header_nritems(b) >=
- BTRFS_NODEPTRS_PER_BLOCK(root) - 3) {
+ BTRFS_NODEPTRS_PER_BLOCK(root->fs_info) - 3) {
int sret;
if (*write_lock_level < level + 1) {
}
b = p->nodes[level];
} else if (ins_len < 0 && btrfs_header_nritems(b) <
- BTRFS_NODEPTRS_PER_BLOCK(root) / 2) {
+ BTRFS_NODEPTRS_PER_BLOCK(root->fs_info) / 2) {
int sret;
if (*write_lock_level < level + 1) {
src_nritems = btrfs_header_nritems(src);
dst_nritems = btrfs_header_nritems(dst);
- push_items = BTRFS_NODEPTRS_PER_BLOCK(root) - dst_nritems;
+ push_items = BTRFS_NODEPTRS_PER_BLOCK(root->fs_info) - dst_nritems;
WARN_ON(btrfs_header_generation(src) != trans->transid);
WARN_ON(btrfs_header_generation(dst) != trans->transid);
src_nritems = btrfs_header_nritems(src);
dst_nritems = btrfs_header_nritems(dst);
- push_items = BTRFS_NODEPTRS_PER_BLOCK(root) - dst_nritems;
+ push_items = BTRFS_NODEPTRS_PER_BLOCK(root->fs_info) - dst_nritems;
if (push_items <= 0)
return 1;
if (IS_ERR(c))
return PTR_ERR(c);
- root_add_used(root, root->nodesize);
+ root_add_used(root, root->fs_info->nodesize);
memzero_extent_buffer(c, 0, sizeof(struct btrfs_header));
btrfs_set_header_nritems(c, 1);
lower = path->nodes[level];
nritems = btrfs_header_nritems(lower);
BUG_ON(slot > nritems);
- BUG_ON(nritems == BTRFS_NODEPTRS_PER_BLOCK(root));
+ BUG_ON(nritems == BTRFS_NODEPTRS_PER_BLOCK(root->fs_info));
if (slot != nritems) {
if (level)
tree_mod_log_eb_move(root->fs_info, lower, slot + 1,
ret = push_nodes_for_insert(trans, root, path, level);
c = path->nodes[level];
if (!ret && btrfs_header_nritems(c) <
- BTRFS_NODEPTRS_PER_BLOCK(root) - 3)
+ BTRFS_NODEPTRS_PER_BLOCK(root->fs_info) - 3)
return 0;
if (ret < 0)
return ret;
if (IS_ERR(split))
return PTR_ERR(split);
- root_add_used(root, root->nodesize);
+ root_add_used(root, root->fs_info->nodesize);
memzero_extent_buffer(split, 0, sizeof(struct btrfs_header));
btrfs_set_header_level(split, btrfs_header_level(c));
{
int nritems = btrfs_header_nritems(leaf);
int ret;
- ret = BTRFS_LEAF_DATA_SIZE(root) - leaf_space_used(leaf, 0, nritems);
+ ret = BTRFS_LEAF_DATA_SIZE(root->fs_info) - leaf_space_used(leaf, 0, nritems);
if (ret < 0) {
btrfs_crit(root->fs_info,
"leaf free space ret %d, leaf data size %lu, used %d nritems %d",
- ret, (unsigned long) BTRFS_LEAF_DATA_SIZE(root),
+ ret,
+ (unsigned long) BTRFS_LEAF_DATA_SIZE(root->fs_info),
leaf_space_used(leaf, 0, nritems), nritems);
}
return ret;
memmove_extent_buffer(right,
btrfs_leaf_data(right) + data_end - push_space,
btrfs_leaf_data(right) + data_end,
- BTRFS_LEAF_DATA_SIZE(root) - data_end);
+ BTRFS_LEAF_DATA_SIZE(root->fs_info) - data_end);
/* copy from the left data area */
copy_extent_buffer(right, left, btrfs_leaf_data(right) +
- BTRFS_LEAF_DATA_SIZE(root) - push_space,
+ BTRFS_LEAF_DATA_SIZE(root->fs_info) - push_space,
btrfs_leaf_data(left) + leaf_data_end(root, left),
push_space);
/* update the item pointers */
right_nritems += push_items;
btrfs_set_header_nritems(right, right_nritems);
- push_space = BTRFS_LEAF_DATA_SIZE(root);
+ push_space = BTRFS_LEAF_DATA_SIZE(root->fs_info);
for (i = 0; i < right_nritems; i++) {
item = btrfs_item_nr(i);
push_space -= btrfs_token_item_size(right, item, &token);
btrfs_item_nr_offset(0),
push_items * sizeof(struct btrfs_item));
- push_space = BTRFS_LEAF_DATA_SIZE(root) -
+ push_space = BTRFS_LEAF_DATA_SIZE(root->fs_info) -
btrfs_item_offset_nr(right, push_items - 1);
copy_extent_buffer(left, right, btrfs_leaf_data(left) +
ioff = btrfs_token_item_offset(left, item, &token);
btrfs_set_token_item_offset(left, item,
- ioff - (BTRFS_LEAF_DATA_SIZE(root) - old_left_item_size),
+ ioff - (BTRFS_LEAF_DATA_SIZE(root->fs_info) - old_left_item_size),
&token);
}
btrfs_set_header_nritems(left, old_left_nritems + push_items);
push_space = btrfs_item_offset_nr(right, push_items - 1) -
leaf_data_end(root, right);
memmove_extent_buffer(right, btrfs_leaf_data(right) +
- BTRFS_LEAF_DATA_SIZE(root) - push_space,
+ BTRFS_LEAF_DATA_SIZE(root->fs_info) - push_space,
btrfs_leaf_data(right) +
leaf_data_end(root, right), push_space);
}
right_nritems -= push_items;
btrfs_set_header_nritems(right, right_nritems);
- push_space = BTRFS_LEAF_DATA_SIZE(root);
+ push_space = BTRFS_LEAF_DATA_SIZE(root->fs_info);
for (i = 0; i < right_nritems; i++) {
item = btrfs_item_nr(i);
nritems * sizeof(struct btrfs_item));
copy_extent_buffer(right, l,
- btrfs_leaf_data(right) + BTRFS_LEAF_DATA_SIZE(root) -
+ btrfs_leaf_data(right) + BTRFS_LEAF_DATA_SIZE(root->fs_info) -
data_copy_size, btrfs_leaf_data(l) +
leaf_data_end(root, l), data_copy_size);
- rt_data_off = BTRFS_LEAF_DATA_SIZE(root) -
+ rt_data_off = BTRFS_LEAF_DATA_SIZE(root->fs_info) -
btrfs_item_end_nr(l, mid);
for (i = 0; i < nritems; i++) {
l = path->nodes[0];
slot = path->slots[0];
if (extend && data_size + btrfs_item_size_nr(l, slot) +
- sizeof(struct btrfs_item) > BTRFS_LEAF_DATA_SIZE(root))
+ sizeof(struct btrfs_item) > BTRFS_LEAF_DATA_SIZE(root->fs_info))
return -EOVERFLOW;
/* first try to make some room by pushing left and right */
if (mid <= slot) {
if (nritems == 1 ||
leaf_space_used(l, mid, nritems - mid) + data_size >
- BTRFS_LEAF_DATA_SIZE(root)) {
+ BTRFS_LEAF_DATA_SIZE(root->fs_info)) {
if (slot >= nritems) {
split = 0;
} else {
mid = slot;
if (mid != nritems &&
leaf_space_used(l, mid, nritems - mid) +
- data_size > BTRFS_LEAF_DATA_SIZE(root)) {
+ data_size > BTRFS_LEAF_DATA_SIZE(root->fs_info)) {
if (data_size && !tried_avoid_double)
goto push_for_double;
split = 2;
}
} else {
if (leaf_space_used(l, 0, mid) + data_size >
- BTRFS_LEAF_DATA_SIZE(root)) {
+ BTRFS_LEAF_DATA_SIZE(root->fs_info)) {
if (!extend && data_size && slot == 0) {
split = 0;
} else if ((extend || !data_size) && slot == 0) {
mid = slot;
if (mid != nritems &&
leaf_space_used(l, mid, nritems - mid) +
- data_size > BTRFS_LEAF_DATA_SIZE(root)) {
+ data_size > BTRFS_LEAF_DATA_SIZE(root->fs_info)) {
if (data_size && !tried_avoid_double)
goto push_for_double;
split = 2;
if (IS_ERR(right))
return PTR_ERR(right);
- root_add_used(root, root->nodesize);
+ root_add_used(root, root->fs_info->nodesize);
memzero_extent_buffer(right, 0, sizeof(struct btrfs_header));
btrfs_set_header_bytenr(right, right->start);
}
/* delete the leaf if it is mostly empty */
- if (used < BTRFS_LEAF_DATA_SIZE(root) / 3) {
+ if (used < BTRFS_LEAF_DATA_SIZE(root->fs_info) / 3) {
/* push_leaf_left fixes the path.
* make sure the path still points to our leaf
* for possible call to del_ptr below
goto out;
}
- tmp_buf = kmalloc(left_root->nodesize, GFP_KERNEL | __GFP_NOWARN);
+ tmp_buf = kmalloc(left_root->fs_info->nodesize,
+ GFP_KERNEL | __GFP_NOWARN);
if (!tmp_buf) {
- tmp_buf = vmalloc(left_root->nodesize);
+ tmp_buf = vmalloc(left_root->fs_info->nodesize);
if (!tmp_buf) {
ret = -ENOMEM;
goto out;
unsigned int need_commit_sem:1;
unsigned int skip_release_on_error:1;
};
-#define BTRFS_MAX_EXTENT_ITEM_SIZE(r) ((BTRFS_LEAF_DATA_SIZE(r) >> 4) - \
+#define BTRFS_MAX_EXTENT_ITEM_SIZE(r) ((BTRFS_LEAF_DATA_SIZE(r->fs_info) >> 4) - \
sizeof(struct btrfs_item))
struct btrfs_dev_replace {
u64 replace_state; /* see #define above */
/* Used to record internally whether fs has been frozen */
int fs_frozen;
+
+ /* Cached block sizes */
+ u32 nodesize;
+ u32 sectorsize;
+ u32 stripesize;
};
+static inline struct btrfs_fs_info *btrfs_sb(struct super_block *sb)
+{
+ return sb->s_fs_info;
+}
+
struct btrfs_subvolume_writers {
struct percpu_counter counter;
wait_queue_head_t wait;
u64 objectid;
u64 last_trans;
- /* data allocations are done in sectorsize units */
- u32 sectorsize;
-
- /* node allocations are done in nodesize units */
- u32 nodesize;
-
- u32 stripesize;
-
u32 type;
u64 highest_objectid;
/* For qgroup metadata space reserve */
atomic_t qgroup_meta_rsv;
};
+static inline u32 btrfs_inode_sectorsize(const struct inode *inode)
+{
+ return btrfs_sb(inode->i_sb)->sectorsize;
+}
static inline u32 __BTRFS_LEAF_DATA_SIZE(u32 blocksize)
{
return blocksize - sizeof(struct btrfs_header);
}
-static inline u32 BTRFS_LEAF_DATA_SIZE(const struct btrfs_root *root)
+static inline u32 BTRFS_LEAF_DATA_SIZE(const struct btrfs_fs_info *info)
{
- return __BTRFS_LEAF_DATA_SIZE(root->nodesize);
+ return __BTRFS_LEAF_DATA_SIZE(info->nodesize);
}
-static inline u32 BTRFS_MAX_ITEM_SIZE(const struct btrfs_root *root)
+static inline u32 BTRFS_MAX_ITEM_SIZE(const struct btrfs_fs_info *info)
{
- return BTRFS_LEAF_DATA_SIZE(root) - sizeof(struct btrfs_item);
+ return BTRFS_LEAF_DATA_SIZE(info) - sizeof(struct btrfs_item);
}
-static inline u32 BTRFS_NODEPTRS_PER_BLOCK(const struct btrfs_root *root)
+static inline u32 BTRFS_NODEPTRS_PER_BLOCK(const struct btrfs_fs_info *info)
{
- return BTRFS_LEAF_DATA_SIZE(root) / sizeof(struct btrfs_key_ptr);
+ return BTRFS_LEAF_DATA_SIZE(info) / sizeof(struct btrfs_key_ptr);
}
#define BTRFS_FILE_EXTENT_INLINE_DATA_START \
(offsetof(struct btrfs_file_extent_item, disk_bytenr))
-static inline u32 BTRFS_MAX_INLINE_DATA_SIZE(const struct btrfs_root *root)
+static inline u32 BTRFS_MAX_INLINE_DATA_SIZE(const struct btrfs_fs_info *info)
{
- return BTRFS_MAX_ITEM_SIZE(root) -
+ return BTRFS_MAX_ITEM_SIZE(info) -
BTRFS_FILE_EXTENT_INLINE_DATA_START;
}
-static inline u32 BTRFS_MAX_XATTR_SIZE(const struct btrfs_root *root)
+static inline u32 BTRFS_MAX_XATTR_SIZE(const struct btrfs_fs_info *info)
{
- return BTRFS_MAX_ITEM_SIZE(root) - sizeof(struct btrfs_dir_item);
+ return BTRFS_MAX_ITEM_SIZE(info) - sizeof(struct btrfs_dir_item);
}
/*
u32 nr = btrfs_header_nritems(leaf);
if (nr == 0)
- return BTRFS_LEAF_DATA_SIZE(root);
+ return BTRFS_LEAF_DATA_SIZE(root->fs_info);
return btrfs_item_offset_nr(leaf, nr - 1);
}
BTRFS_SETGET_STACK_FUNCS(stack_dev_replace_cursor_right,
struct btrfs_dev_replace_item, cursor_right, 64);
-static inline struct btrfs_fs_info *btrfs_sb(struct super_block *sb)
-{
- return sb->s_fs_info;
-}
-
/* helper function to cast into the data area of the leaf. */
#define btrfs_item_ptr(leaf, slot, type) \
((type *)(btrfs_leaf_data(leaf) + \
static inline u64 btrfs_calc_trans_metadata_size(struct btrfs_root *root,
unsigned num_items)
{
- return root->nodesize * BTRFS_MAX_LEVEL * 2 * num_items;
+ return root->fs_info->nodesize * BTRFS_MAX_LEVEL * 2 * num_items;
}
/*
static inline u64 btrfs_calc_trunc_metadata_size(struct btrfs_root *root,
unsigned num_items)
{
- return root->nodesize * BTRFS_MAX_LEVEL * num_items;
+ return root->fs_info->nodesize * BTRFS_MAX_LEVEL * num_items;
}
int btrfs_should_throttle_delayed_refs(struct btrfs_trans_handle *trans,
struct extent_buffer *leaf;
u32 data_size;
- BUG_ON(name_len + data_len > BTRFS_MAX_XATTR_SIZE(root));
+ BUG_ON(name_len + data_len > BTRFS_MAX_XATTR_SIZE(root->fs_info));
key.objectid = objectid;
key.type = BTRFS_XATTR_ITEM_KEY;
leaf = path->nodes[0];
slot = path->slots[0];
if (data_size + btrfs_item_size_nr(leaf, slot) +
- sizeof(struct btrfs_item) > BTRFS_LEAF_DATA_SIZE(root)) {
+ sizeof(struct btrfs_item) > BTRFS_LEAF_DATA_SIZE(root->fs_info)) {
ret = -EOVERFLOW;
} else {
/* plenty of insertion room */
/* BTRFS_MAX_XATTR_SIZE is the same for all dir items */
if ((btrfs_dir_data_len(leaf, dir_item) +
- btrfs_dir_name_len(leaf, dir_item)) > BTRFS_MAX_XATTR_SIZE(root)) {
+ btrfs_dir_name_len(leaf, dir_item)) > BTRFS_MAX_XATTR_SIZE(root->fs_info)) {
btrfs_crit(root->fs_info,
"invalid dir item name + data len: %u + %u",
(unsigned)btrfs_dir_name_len(leaf, dir_item),
/* Check the 0 item */
if (btrfs_item_offset_nr(leaf, 0) + btrfs_item_size_nr(leaf, 0) !=
- BTRFS_LEAF_DATA_SIZE(root)) {
+ BTRFS_LEAF_DATA_SIZE(root->fs_info)) {
CORRUPT("invalid item offset size pair", leaf, root, 0);
return -EIO;
}
* all point outside of the leaf.
*/
if (btrfs_item_end_nr(leaf, slot) >
- BTRFS_LEAF_DATA_SIZE(root)) {
+ BTRFS_LEAF_DATA_SIZE(root->fs_info)) {
CORRUPT("slot end outside of leaf", leaf, root, slot);
return -EIO;
}
u64 bytenr;
int ret = 0;
- if (nr == 0 || nr > BTRFS_NODEPTRS_PER_BLOCK(root)) {
+ if (nr == 0 || nr > BTRFS_NODEPTRS_PER_BLOCK(root->fs_info)) {
btrfs_crit(root->fs_info,
"corrupt node: block %llu root %llu nritems %lu",
node->start, root->objectid, nr);
u64 bytenr)
{
if (btrfs_is_testing(root->fs_info))
- return alloc_test_extent_buffer(root->fs_info, bytenr,
- root->nodesize);
+ return alloc_test_extent_buffer(root->fs_info, bytenr);
return alloc_extent_buffer(root->fs_info, bytenr);
}
kfree(writers);
}
-static void __setup_root(u32 nodesize, u32 sectorsize, u32 stripesize,
- struct btrfs_root *root, struct btrfs_fs_info *fs_info,
+static void __setup_root(struct btrfs_root *root, struct btrfs_fs_info *fs_info,
u64 objectid)
{
bool dummy = test_bit(BTRFS_FS_STATE_DUMMY_FS_INFO, &fs_info->fs_state);
root->node = NULL;
root->commit_root = NULL;
- root->sectorsize = sectorsize;
- root->nodesize = nodesize;
- root->stripesize = stripesize;
root->state = 0;
root->orphan_cleanup_state = 0;
#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
/* Should only be used by the testing infrastructure */
-struct btrfs_root *btrfs_alloc_dummy_root(struct btrfs_fs_info *fs_info,
- u32 sectorsize, u32 nodesize)
+struct btrfs_root *btrfs_alloc_dummy_root(struct btrfs_fs_info *fs_info)
{
struct btrfs_root *root;
root = btrfs_alloc_root(fs_info, GFP_KERNEL);
if (!root)
return ERR_PTR(-ENOMEM);
+
/* We don't use the stripesize in selftest, set it as sectorsize */
- __setup_root(nodesize, sectorsize, sectorsize, root, fs_info,
- BTRFS_ROOT_TREE_OBJECTID);
+ __setup_root(root, fs_info, BTRFS_ROOT_TREE_OBJECTID);
root->alloc_bytenr = 0;
return root;
if (!root)
return ERR_PTR(-ENOMEM);
- __setup_root(tree_root->nodesize, tree_root->sectorsize,
- tree_root->stripesize, root, fs_info, objectid);
+ __setup_root(root, fs_info, objectid);
root->root_key.objectid = objectid;
root->root_key.type = BTRFS_ROOT_ITEM_KEY;
root->root_key.offset = 0;
struct btrfs_fs_info *fs_info)
{
struct btrfs_root *root;
- struct btrfs_root *tree_root = fs_info->tree_root;
struct extent_buffer *leaf;
root = btrfs_alloc_root(fs_info, GFP_NOFS);
if (!root)
return ERR_PTR(-ENOMEM);
- __setup_root(tree_root->nodesize, tree_root->sectorsize,
- tree_root->stripesize, root, fs_info,
- BTRFS_TREE_LOG_OBJECTID);
+ __setup_root(root, fs_info, BTRFS_TREE_LOG_OBJECTID);
root->root_key.objectid = BTRFS_TREE_LOG_OBJECTID;
root->root_key.type = BTRFS_ROOT_ITEM_KEY;
btrfs_set_stack_inode_generation(inode_item, 1);
btrfs_set_stack_inode_size(inode_item, 3);
btrfs_set_stack_inode_nlink(inode_item, 1);
- btrfs_set_stack_inode_nbytes(inode_item, root->nodesize);
+ btrfs_set_stack_inode_nbytes(inode_item,
+ root->fs_info->nodesize);
btrfs_set_stack_inode_mode(inode_item, S_IFDIR | 0755);
btrfs_set_root_node(&log_root->root_item, log_root->node);
goto alloc_fail;
}
- __setup_root(tree_root->nodesize, tree_root->sectorsize,
- tree_root->stripesize, root, fs_info, key->objectid);
+ __setup_root(root, fs_info, key->objectid);
ret = btrfs_find_root(tree_root, key, path,
&root->root_item, &root->root_key);
if (!log_tree_root)
return -ENOMEM;
- __setup_root(tree_root->nodesize, tree_root->sectorsize,
- tree_root->stripesize, log_tree_root, fs_info,
- BTRFS_TREE_LOG_OBJECTID);
+ __setup_root(log_tree_root, fs_info, BTRFS_TREE_LOG_OBJECTID);
log_tree_root->node = read_tree_block(tree_root, bytenr,
fs_info->generation + 1);
INIT_LIST_HEAD(&fs_info->pinned_chunks);
+ /* Usable values until the real ones are cached from the superblock */
+ fs_info->nodesize = 4096;
+ fs_info->sectorsize = 4096;
+ fs_info->stripesize = 4096;
+
ret = btrfs_alloc_stripe_hash_table(fs_info);
if (ret) {
err = ret;
goto fail_alloc;
}
- __setup_root(4096, 4096, 4096, tree_root,
- fs_info, BTRFS_ROOT_TREE_OBJECTID);
+ __setup_root(tree_root, fs_info, BTRFS_ROOT_TREE_OBJECTID);
invalidate_bdev(fs_devices->latest_bdev);
fs_info->dirty_metadata_batch = nodesize * (1 + ilog2(nr_cpu_ids));
fs_info->delalloc_batch = sectorsize * 512 * (1 + ilog2(nr_cpu_ids));
+ /* Cache block sizes */
+ fs_info->nodesize = nodesize;
+ fs_info->sectorsize = sectorsize;
+ fs_info->stripesize = stripesize;
+
/*
* mixed block groups end up with duplicate but slightly offset
* extent buffers for the same range. It leads to corruptions
fs_info->bdi.ra_pages = max(fs_info->bdi.ra_pages,
SZ_4M / PAGE_SIZE);
- tree_root->nodesize = nodesize;
- tree_root->sectorsize = sectorsize;
- tree_root->stripesize = stripesize;
-
sb->s_blocksize = sectorsize;
sb->s_blocksize_bits = blksize_bits(sectorsize);
generation = btrfs_super_chunk_root_generation(disk_super);
- __setup_root(nodesize, sectorsize, stripesize, chunk_root,
- fs_info, BTRFS_CHUNK_TREE_OBJECTID);
+ __setup_root(chunk_root, fs_info, BTRFS_CHUNK_TREE_OBJECTID);
chunk_root->node = read_tree_block(chunk_root,
btrfs_super_chunk_root(disk_super),
clear_extent_bits(dirty_pages, start, end, mark);
while (start <= end) {
eb = find_extent_buffer(root->fs_info, start);
- start += root->nodesize;
+ start += root->fs_info->nodesize;
if (!eb)
continue;
wait_on_extent_buffer_writeback(eb);
void btrfs_free_fs_root(struct btrfs_root *root);
#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
-struct btrfs_root *btrfs_alloc_dummy_root(struct btrfs_fs_info *fs_info,
- u32 sectorsize, u32 nodesize);
+struct btrfs_root *btrfs_alloc_dummy_root(struct btrfs_fs_info *fs_info);
#endif
/*
u64 start = block_group->key.objectid;
u64 len = block_group->key.offset;
u64 chunk = block_group->flags & BTRFS_BLOCK_GROUP_METADATA ?
- root->nodesize : root->sectorsize;
+ root->fs_info->nodesize : root->fs_info->sectorsize;
u64 step = chunk << 1;
while (len > chunk) {
key.objectid);
if (key.type == BTRFS_METADATA_ITEM_KEY)
last = key.objectid +
- fs_info->tree_root->nodesize;
+ fs_info->nodesize;
else
last = key.objectid + key.offset;
* different
*/
if (metadata && !btrfs_fs_incompat(root->fs_info, SKINNY_METADATA)) {
- offset = root->nodesize;
+ offset = root->fs_info->nodesize;
metadata = 0;
}
path->slots[0]);
if (key.objectid == bytenr &&
key.type == BTRFS_EXTENT_ITEM_KEY &&
- key.offset == root->nodesize)
+ key.offset == root->fs_info->nodesize)
ret = 0;
}
}
* We don't ever fill up leaves all the way so multiply by 2 just to be
* closer to what we're really going to want to use.
*/
- return div_u64(num_bytes, BTRFS_LEAF_DATA_SIZE(root));
+ return div_u64(num_bytes, BTRFS_LEAF_DATA_SIZE(root->fs_info));
}
/*
u64 num_csums_per_leaf;
u64 num_csums;
- csum_size = BTRFS_MAX_ITEM_SIZE(root);
+ csum_size = BTRFS_MAX_ITEM_SIZE(root->fs_info);
num_csums_per_leaf = div64_u64(csum_size,
(u64)btrfs_super_csum_size(root->fs_info->super_copy));
- num_csums = div64_u64(csum_bytes, root->sectorsize);
+ num_csums = div64_u64(csum_bytes, root->fs_info->sectorsize);
num_csums += num_csums_per_leaf - 1;
num_csums = div64_u64(num_csums, num_csums_per_leaf);
return num_csums;
num_bytes = btrfs_calc_trans_metadata_size(root, 1);
num_heads = heads_to_leaves(root, num_heads);
if (num_heads > 1)
- num_bytes += (num_heads - 1) * root->nodesize;
+ num_bytes += (num_heads - 1) * root->fs_info->nodesize;
num_bytes <<= 1;
- num_bytes += btrfs_csum_bytes_to_leaves(root, csum_bytes) * root->nodesize;
+ num_bytes += btrfs_csum_bytes_to_leaves(root, csum_bytes) * root->fs_info->nodesize;
num_dirty_bgs_bytes = btrfs_calc_trans_metadata_size(root,
num_dirty_bgs);
global_rsv = &root->fs_info->global_block_rsv;
goto fail;
} else {
bytenr = btrfs_node_blockptr(buf, i);
- num_bytes = root->nodesize;
+ num_bytes = root->fs_info->nodesize;
ret = process_func(trans, root, bytenr, num_bytes,
parent, ref_root, level - 1, 0);
if (ret)
int have_pinned_space;
/* make sure bytes are sectorsize aligned */
- bytes = ALIGN(bytes, root->sectorsize);
+ bytes = ALIGN(bytes, root->fs_info->sectorsize);
if (btrfs_is_free_space_inode(inode)) {
need_commit = 0;
int ret;
/* align the range */
- len = round_up(start + len, root->sectorsize) -
- round_down(start, root->sectorsize);
- start = round_down(start, root->sectorsize);
+ len = round_up(start + len, root->fs_info->sectorsize) -
+ round_down(start, root->fs_info->sectorsize);
+ start = round_down(start, root->fs_info->sectorsize);
ret = btrfs_alloc_data_chunk_ondemand(inode, len);
if (ret < 0)
struct btrfs_space_info *data_sinfo;
/* Make sure the range is aligned to sectorsize */
- len = round_up(start + len, root->sectorsize) -
- round_down(start, root->sectorsize);
- start = round_down(start, root->sectorsize);
+ len = round_up(start + len, root->fs_info->sectorsize) -
+ round_down(start, root->fs_info->sectorsize);
+ start = round_down(start, root->fs_info->sectorsize);
data_sinfo = root->fs_info->data_sinfo;
spin_lock(&data_sinfo->lock);
struct btrfs_root *root = BTRFS_I(inode)->root;
/* Make sure the range is aligned to sectorsize */
- len = round_up(start + len, root->sectorsize) -
- round_down(start, root->sectorsize);
- start = round_down(start, root->sectorsize);
+ len = round_up(start + len, root->fs_info->sectorsize) -
+ round_down(start, root->fs_info->sectorsize);
+ start = round_down(start, root->fs_info->sectorsize);
btrfs_free_reserved_data_space_noquota(inode, start, len);
btrfs_qgroup_free_data(inode, start, len);
if (test_bit(BTRFS_FS_QUOTA_ENABLED, &root->fs_info->flags)) {
/* One for parent inode, two for dir entries */
- num_bytes = 3 * root->nodesize;
+ num_bytes = 3 * root->fs_info->nodesize;
ret = btrfs_qgroup_reserve_meta(root, num_bytes);
if (ret)
return ret;
if (delalloc_lock)
mutex_lock(&BTRFS_I(inode)->delalloc_mutex);
- num_bytes = ALIGN(num_bytes, root->sectorsize);
+ num_bytes = ALIGN(num_bytes, root->fs_info->sectorsize);
spin_lock(&BTRFS_I(inode)->lock);
nr_extents = (unsigned)div64_u64(num_bytes +
if (test_bit(BTRFS_FS_QUOTA_ENABLED, &root->fs_info->flags)) {
ret = btrfs_qgroup_reserve_meta(root,
- nr_extents * root->nodesize);
+ nr_extents * root->fs_info->nodesize);
if (ret)
goto out_fail;
}
ret = btrfs_block_rsv_add(root, block_rsv, to_reserve, flush);
if (unlikely(ret)) {
- btrfs_qgroup_free_meta(root, nr_extents * root->nodesize);
+ btrfs_qgroup_free_meta(root,
+ nr_extents * root->fs_info->nodesize);
goto out_fail;
}
u64 to_free = 0;
unsigned dropped;
- num_bytes = ALIGN(num_bytes, root->sectorsize);
+ num_bytes = ALIGN(num_bytes, root->fs_info->sectorsize);
spin_lock(&BTRFS_I(inode)->lock);
dropped = drop_outstanding_extent(inode, num_bytes);
bool orig_have_caching_bg = false;
bool full_search = false;
- WARN_ON(num_bytes < root->sectorsize);
+ WARN_ON(num_bytes < root->fs_info->sectorsize);
ins->type = BTRFS_EXTENT_ITEM_KEY;
ins->objectid = 0;
ins->offset = 0;
goto loop;
}
checks:
- search_start = ALIGN(offset, root->stripesize);
+ search_start = ALIGN(offset, root->fs_info->stripesize);
/* move on to the next group */
if (search_start + num_bytes >
flags = btrfs_get_alloc_profile(root, is_data);
again:
- WARN_ON(num_bytes < root->sectorsize);
+ WARN_ON(num_bytes < root->fs_info->sectorsize);
ret = find_free_extent(root, ram_bytes, num_bytes, empty_size,
hint_byte, ins, flags, delalloc);
if (!ret && !is_data) {
} else if (ret == -ENOSPC) {
if (!final_tried && ins->offset) {
num_bytes = min(num_bytes >> 1, ins->offset);
- num_bytes = round_down(num_bytes, root->sectorsize);
+ num_bytes = round_down(num_bytes,
+ root->fs_info->sectorsize);
num_bytes = max(num_bytes, min_alloc_size);
ram_bytes = num_bytes;
if (num_bytes == min_alloc_size)
path = btrfs_alloc_path();
if (!path) {
btrfs_free_and_pin_reserved_extent(root, ins->objectid,
- root->nodesize);
+ root->fs_info->nodesize);
return -ENOMEM;
}
if (ret) {
btrfs_free_path(path);
btrfs_free_and_pin_reserved_extent(root, ins->objectid,
- root->nodesize);
+ root->fs_info->nodesize);
return ret;
}
if (skinny_metadata) {
iref = (struct btrfs_extent_inline_ref *)(extent_item + 1);
- num_bytes = root->nodesize;
+ num_bytes = root->fs_info->nodesize;
} else {
block_info = (struct btrfs_tree_block_info *)(extent_item + 1);
btrfs_set_tree_block_key(leaf, block_info, key);
if (ret)
return ret;
- ret = update_block_group(trans, root, ins->objectid, root->nodesize,
+ ret = update_block_group(trans, root, ins->objectid,
+ root->fs_info->nodesize,
1);
if (ret) { /* -ENOENT, logic error */
btrfs_err(fs_info, "update block group failed for %llu %llu",
BUG();
}
- trace_btrfs_reserved_extent_alloc(root, ins->objectid, root->nodesize);
+ trace_btrfs_reserved_extent_alloc(root, ins->objectid,
+ root->fs_info->nodesize);
return ret;
}
struct btrfs_delayed_extent_op *extent_op;
u64 flags = 0;
int ret;
- u32 blocksize = root->nodesize;
+ u32 blocksize = root->fs_info->nodesize;
bool skinny_metadata = btrfs_fs_incompat(root->fs_info,
SKINNY_METADATA);
} else {
wc->reada_count = wc->reada_count * 3 / 2;
wc->reada_count = min_t(int, wc->reada_count,
- BTRFS_NODEPTRS_PER_BLOCK(root));
+ BTRFS_NODEPTRS_PER_BLOCK(root->fs_info));
}
eb = path->nodes[wc->level];
}
bytenr = btrfs_node_blockptr(path->nodes[level], path->slots[level]);
- blocksize = root->nodesize;
+ blocksize = root->fs_info->nodesize;
next = find_extent_buffer(root->fs_info, bytenr);
if (!next) {
wc->update_ref = update_ref;
wc->keep_locks = 0;
wc->for_reloc = for_reloc;
- wc->reada_count = BTRFS_NODEPTRS_PER_BLOCK(root);
+ wc->reada_count = BTRFS_NODEPTRS_PER_BLOCK(root->fs_info);
while (1) {
wc->update_ref = 0;
wc->keep_locks = 1;
wc->for_reloc = 1;
- wc->reada_count = BTRFS_NODEPTRS_PER_BLOCK(root);
+ wc->reada_count = BTRFS_NODEPTRS_PER_BLOCK(root->fs_info);
while (1) {
wret = walk_down_tree(trans, root, path, wc);
cache->key.offset = size;
cache->key.type = BTRFS_BLOCK_GROUP_ITEM_KEY;
- cache->sectorsize = root->sectorsize;
+ cache->sectorsize = root->fs_info->sectorsize;
cache->fs_info = root->fs_info;
cache->full_stripe_len = btrfs_full_stripe_len(root,
&root->fs_info->mapping_tree,
u64 last,
get_extent_t *get_extent)
{
- u64 sectorsize = BTRFS_I(inode)->root->sectorsize;
+ u64 sectorsize = btrfs_inode_sectorsize(inode);
struct extent_map *em;
u64 len;
return -ENOMEM;
path->leave_spinning = 1;
- start = round_down(start, BTRFS_I(inode)->root->sectorsize);
- len = round_up(max, BTRFS_I(inode)->root->sectorsize) - start;
+ start = round_down(start, btrfs_inode_sectorsize(inode));
+ len = round_up(max, btrfs_inode_sectorsize(inode)) - start;
/*
* lookup the last file extent. We're not using i_size here
}
struct extent_buffer *alloc_dummy_extent_buffer(struct btrfs_fs_info *fs_info,
- u64 start, u32 nodesize)
+ u64 start)
{
- unsigned long len;
-
- if (!fs_info) {
- /*
- * Called only from tests that don't always have a fs_info
- * available
- */
- len = nodesize;
- } else {
- len = fs_info->tree_root->nodesize;
- }
-
- return __alloc_dummy_extent_buffer(fs_info, start, len);
+ return __alloc_dummy_extent_buffer(fs_info, start, fs_info->nodesize);
}
static void check_buffer_tree_ref(struct extent_buffer *eb)
#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
struct extent_buffer *alloc_test_extent_buffer(struct btrfs_fs_info *fs_info,
- u64 start, u32 nodesize)
+ u64 start)
{
struct extent_buffer *eb, *exists = NULL;
int ret;
eb = find_extent_buffer(fs_info, start);
if (eb)
return eb;
- eb = alloc_dummy_extent_buffer(fs_info, start, nodesize);
+ eb = alloc_dummy_extent_buffer(fs_info, start);
if (!eb)
return NULL;
eb->fs_info = fs_info;
struct extent_buffer *alloc_extent_buffer(struct btrfs_fs_info *fs_info,
u64 start)
{
- unsigned long len = fs_info->tree_root->nodesize;
+ unsigned long len = fs_info->nodesize;
unsigned long num_pages = num_extent_pages(start, len);
unsigned long i;
unsigned long index = start >> PAGE_SHIFT;
int uptodate = 1;
int ret;
- if (!IS_ALIGNED(start, fs_info->tree_root->sectorsize)) {
+ if (!IS_ALIGNED(start, fs_info->sectorsize)) {
btrfs_err(fs_info, "bad tree block start %llu", start);
return ERR_PTR(-EINVAL);
}
struct extent_buffer *__alloc_dummy_extent_buffer(struct btrfs_fs_info *fs_info,
u64 start, unsigned long len);
struct extent_buffer *alloc_dummy_extent_buffer(struct btrfs_fs_info *fs_info,
- u64 start, u32 nodesize);
+ u64 start);
struct extent_buffer *btrfs_clone_extent_buffer(struct extent_buffer *src);
struct extent_buffer *find_extent_buffer(struct btrfs_fs_info *fs_info,
u64 start);
u64 *end, u64 max_bytes);
#endif
struct extent_buffer *alloc_test_extent_buffer(struct btrfs_fs_info *fs_info,
- u64 start, u32 nodesize);
+ u64 start);
#endif
#define MAX_CSUM_ITEMS(r, size) (min_t(u32, __MAX_CSUM_ITEMS(r, size), \
PAGE_SIZE))
-#define MAX_ORDERED_SUM_BYTES(r) ((PAGE_SIZE - \
+#define MAX_ORDERED_SUM_BYTES(fs_info) ((PAGE_SIZE - \
sizeof(struct btrfs_ordered_sum)) / \
- sizeof(u32) * (r)->sectorsize)
+ sizeof(u32) * (fs_info)->sectorsize)
int btrfs_insert_file_extent(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
if (BTRFS_I(inode)->root->root_key.objectid ==
BTRFS_DATA_RELOC_TREE_OBJECTID) {
set_extent_bits(io_tree, offset,
- offset + root->sectorsize - 1,
+ offset + root->fs_info->sectorsize - 1,
EXTENT_NODATASUM);
} else {
btrfs_info_rl(BTRFS_I(inode)->root->fs_info,
path->slots[0]);
item_last_offset = item_start_offset +
(item_size / csum_size) *
- root->sectorsize;
+ root->fs_info->sectorsize;
item = btrfs_item_ptr(path->nodes[0], path->slots[0],
struct btrfs_csum_item);
}
* a single leaf so it will also fit inside a u32
*/
diff = disk_bytenr - item_start_offset;
- diff = diff / root->sectorsize;
+ diff = diff / root->fs_info->sectorsize;
diff = diff * csum_size;
count = min_t(int, nblocks, (item_last_offset - disk_bytenr) >>
inode->i_sb->s_blocksize_bits);
nblocks -= count;
next:
while (count--) {
- disk_bytenr += root->sectorsize;
- offset += root->sectorsize;
- page_bytes_left -= root->sectorsize;
+ disk_bytenr += root->fs_info->sectorsize;
+ offset += root->fs_info->sectorsize;
+ page_bytes_left -= root->fs_info->sectorsize;
if (!page_bytes_left)
break; /* move to next bio */
}
u64 csum_end;
u16 csum_size = btrfs_super_csum_size(root->fs_info->super_copy);
- ASSERT(IS_ALIGNED(start, root->sectorsize) &&
- IS_ALIGNED(end + 1, root->sectorsize));
+ ASSERT(IS_ALIGNED(start, root->fs_info->sectorsize) &&
+ IS_ALIGNED(end + 1, root->fs_info->sectorsize));
path = btrfs_alloc_path();
if (!path)
start = key.offset;
size = btrfs_item_size_nr(leaf, path->slots[0]);
- csum_end = key.offset + (size / csum_size) * root->sectorsize;
+ csum_end = key.offset + (size / csum_size) * root->fs_info->sectorsize;
if (csum_end <= start) {
path->slots[0]++;
continue;
struct btrfs_csum_item);
while (start < csum_end) {
size = min_t(size_t, csum_end - start,
- MAX_ORDERED_SUM_BYTES(root));
- sums = kzalloc(btrfs_ordered_sum_size(root, size),
+ MAX_ORDERED_SUM_BYTES(root->fs_info));
+ sums = kzalloc(btrfs_ordered_sum_size(root->fs_info,
+ size),
GFP_NOFS);
if (!sums) {
ret = -ENOMEM;
((unsigned long)item) + offset,
csum_size * size);
- start += root->sectorsize * size;
+ start += root->fs_info->sectorsize * size;
list_add_tail(&sums->list, &tmplist);
}
path->slots[0]++;
u64 offset;
WARN_ON(bio->bi_vcnt <= 0);
- sums = kzalloc(btrfs_ordered_sum_size(root, bio->bi_iter.bi_size),
+ sums = kzalloc(btrfs_ordered_sum_size(root->fs_info,
+ bio->bi_iter.bi_size),
GFP_NOFS);
if (!sums)
return -ENOMEM;
data = kmap_atomic(bvec->bv_page);
nr_sectors = BTRFS_BYTES_TO_BLKS(root->fs_info,
- bvec->bv_len + root->sectorsize
+ bvec->bv_len + root->fs_info->sectorsize
- 1);
for (i = 0; i < nr_sectors; i++) {
bytes_left = bio->bi_iter.bi_size - total_bytes;
- sums = kzalloc(btrfs_ordered_sum_size(root, bytes_left),
+ sums = kzalloc(btrfs_ordered_sum_size(root->fs_info, bytes_left),
GFP_NOFS);
BUG_ON(!sums); /* -ENOMEM */
sums->len = bytes_left;
sums->sums[index] = ~(u32)0;
sums->sums[index]
= btrfs_csum_data(data + bvec->bv_offset
- + (i * root->sectorsize),
+ + (i * root->fs_info->sectorsize),
sums->sums[index],
- root->sectorsize);
+ root->fs_info->sectorsize);
btrfs_csum_final(sums->sums[index],
(char *)(sums->sums + index));
index++;
- offset += root->sectorsize;
- this_sum_bytes += root->sectorsize;
- total_bytes += root->sectorsize;
+ offset += root->fs_info->sectorsize;
+ this_sum_bytes += root->fs_info->sectorsize;
+ total_bytes += root->fs_info->sectorsize;
}
kunmap_atomic(data);
leaf = path->nodes[0];
item_size = btrfs_item_size_nr(leaf, path->slots[0]);
if ((item_size / csum_size) >=
- MAX_CSUM_ITEMS(root, csum_size)) {
+ MAX_CSUM_ITEMS(root->fs_info, csum_size)) {
/* already at max size, make a new one */
goto insert;
}
if (found_key.type != BTRFS_EXTENT_CSUM_KEY ||
found_key.objectid != BTRFS_EXTENT_CSUM_OBJECTID ||
- csum_offset >= MAX_CSUM_ITEMS(root, csum_size)) {
+ csum_offset >= MAX_CSUM_ITEMS(root->fs_info, csum_size)) {
goto insert;
}
extend_nr = max_t(int, 1, (int)tmp);
diff = (csum_offset + extend_nr) * csum_size;
- diff = min(diff, MAX_CSUM_ITEMS(root, csum_size) * csum_size);
+ diff = min(diff, MAX_CSUM_ITEMS(root->fs_info, csum_size) * csum_size);
diff = diff - btrfs_item_size_nr(leaf, path->slots[0]);
diff = min(free_space, diff);
root->fs_info->sb->s_blocksize_bits);
tmp = max((u64)1, tmp);
- tmp = min(tmp, (u64)MAX_CSUM_ITEMS(root, csum_size));
+ tmp = min(tmp, (u64)MAX_CSUM_ITEMS(root->fs_info, csum_size));
ins_size = csum_size * tmp;
} else {
ins_size = csum_size;
ins_size);
ins_size /= csum_size;
- total_bytes += ins_size * root->sectorsize;
+ total_bytes += ins_size * root->fs_info->sectorsize;
index += ins_size;
btrfs_mark_buffer_dirty(path->nodes[0]);
} else if (type == BTRFS_FILE_EXTENT_INLINE) {
size_t size;
size = btrfs_file_extent_inline_len(leaf, slot, fi);
- extent_end = ALIGN(extent_start + size, root->sectorsize);
+ extent_end = ALIGN(extent_start + size,
+ root->fs_info->sectorsize);
}
em->ram_bytes = btrfs_file_extent_ram_bytes(leaf, fi);
u64 end_pos = pos + write_bytes;
loff_t isize = i_size_read(inode);
- start_pos = pos & ~((u64)root->sectorsize - 1);
- num_bytes = round_up(write_bytes + pos - start_pos, root->sectorsize);
+ start_pos = pos & ~((u64) root->fs_info->sectorsize - 1);
+ num_bytes = round_up(write_bytes + pos - start_pos,
+ root->fs_info->sectorsize);
end_of_last_block = start_pos + num_bytes - 1;
err = btrfs_set_extent_delalloc(inode, start_pos, end_of_last_block,
inode_sub_bytes(inode,
extent_end - key.offset);
extent_end = ALIGN(extent_end,
- root->sectorsize);
+ root->fs_info->sectorsize);
} else if (update_refs && disk_bytenr > 0) {
ret = btrfs_free_extent(trans, root,
disk_bytenr, num_bytes, 0,
int i;
int ret = 0;
- start_pos = round_down(pos, root->sectorsize);
+ start_pos = round_down(pos, root->fs_info->sectorsize);
last_pos = start_pos
- + round_up(pos + write_bytes - start_pos, root->sectorsize) - 1;
+ + round_up(pos + write_bytes - start_pos,
+ root->fs_info->sectorsize) - 1;
if (start_pos < inode->i_size) {
struct btrfs_ordered_extent *ordered;
if (!ret)
return -ENOSPC;
- lockstart = round_down(pos, root->sectorsize);
- lockend = round_up(pos + *write_bytes, root->sectorsize) - 1;
+ lockstart = round_down(pos, root->fs_info->sectorsize);
+ lockend = round_up(pos + *write_bytes,
+ root->fs_info->sectorsize) - 1;
while (1) {
lock_extent(&BTRFS_I(inode)->io_tree, lockstart, lockend);
{
struct inode *inode = file_inode(file);
struct btrfs_root *root = BTRFS_I(inode)->root;
+ struct btrfs_fs_info *fs_info = root->fs_info;
struct page **pages = NULL;
struct extent_state *cached_state = NULL;
u64 release_bytes = 0;
break;
}
- sector_offset = pos & (root->sectorsize - 1);
+ sector_offset = pos & (fs_info->sectorsize - 1);
reserve_bytes = round_up(write_bytes + sector_offset,
- root->sectorsize);
+ fs_info->sectorsize);
ret = btrfs_check_data_free_space(inode, pos, write_bytes);
if (ret < 0) {
PAGE_SIZE);
reserve_bytes = round_up(write_bytes +
sector_offset,
- root->sectorsize);
+ fs_info->sectorsize);
} else {
break;
}
num_sectors = BTRFS_BYTES_TO_BLKS(root->fs_info,
reserve_bytes);
dirty_sectors = round_up(copied + sector_offset,
- root->sectorsize);
+ root->fs_info->sectorsize);
dirty_sectors = BTRFS_BYTES_TO_BLKS(root->fs_info,
dirty_sectors);
} else {
u64 __pos;
- __pos = round_down(pos, root->sectorsize) +
+ __pos = round_down(pos,
+ root->fs_info->sectorsize) +
(dirty_pages << PAGE_SHIFT);
btrfs_delalloc_release_space(inode, __pos,
release_bytes);
}
release_bytes = round_up(copied + sector_offset,
- root->sectorsize);
+ root->fs_info->sectorsize);
if (copied > 0)
ret = btrfs_dirty_pages(root, inode, pages,
btrfs_end_write_no_snapshoting(root);
if (only_release_metadata && copied > 0) {
- lockstart = round_down(pos, root->sectorsize);
- lockend = round_up(pos + copied, root->sectorsize) - 1;
+ lockstart = round_down(pos,
+ root->fs_info->sectorsize);
+ lockend = round_up(pos + copied,
+ root->fs_info->sectorsize) - 1;
set_extent_bit(&BTRFS_I(inode)->io_tree, lockstart,
lockend, EXTENT_NORESERVE, NULL,
cond_resched();
balance_dirty_pages_ratelimited(inode->i_mapping);
- if (dirty_pages < (root->nodesize >> PAGE_SHIFT) + 1)
+ if (dirty_pages < (root->fs_info->nodesize >> PAGE_SHIFT) + 1)
btrfs_btree_balance_dirty(root);
pos += copied;
btrfs_delalloc_release_metadata(inode, release_bytes);
} else {
btrfs_delalloc_release_space(inode,
- round_down(pos, root->sectorsize),
+ round_down(pos, root->fs_info->sectorsize),
release_bytes);
}
}
pos = iocb->ki_pos;
count = iov_iter_count(from);
- start_pos = round_down(pos, root->sectorsize);
+ start_pos = round_down(pos, root->fs_info->sectorsize);
oldsize = i_size_read(inode);
if (start_pos > oldsize) {
/* Expand hole size to cover write data, preventing empty gap */
- end_pos = round_up(pos + count, root->sectorsize);
+ end_pos = round_up(pos + count,
+ root->fs_info->sectorsize);
err = btrfs_cont_expand(inode, oldsize, end_pos);
if (err) {
inode_unlock(inode);
goto out;
}
- if (start_pos > round_up(oldsize, root->sectorsize))
+ if (start_pos > round_up(oldsize, root->fs_info->sectorsize))
clean_page = 1;
}
return ret;
inode_lock(inode);
- ino_size = round_up(inode->i_size, root->sectorsize);
+ ino_size = round_up(inode->i_size, root->fs_info->sectorsize);
ret = find_first_non_hole(inode, &offset, &len);
if (ret < 0)
goto out_only_mutex;
goto out_only_mutex;
}
- lockstart = round_up(offset, BTRFS_I(inode)->root->sectorsize);
+ lockstart = round_up(offset, btrfs_inode_sectorsize(inode));
lockend = round_down(offset + len,
- BTRFS_I(inode)->root->sectorsize) - 1;
+ btrfs_inode_sectorsize(inode)) - 1;
same_block = (BTRFS_BYTES_TO_BLKS(root->fs_info, offset))
== (BTRFS_BYTES_TO_BLKS(root->fs_info, offset + len - 1));
/*
* Only do this if we are in the same block and we aren't doing the
* entire block.
*/
- if (same_block && len < root->sectorsize) {
+ if (same_block && len < root->fs_info->sectorsize) {
if (offset < ino_size) {
truncated_block = true;
ret = btrfs_truncate_block(inode, offset, len, 0);
u64 locked_end;
u64 actual_end = 0;
struct extent_map *em;
- int blocksize = BTRFS_I(inode)->root->sectorsize;
+ int blocksize = btrfs_inode_sectorsize(inode);
int ret;
alloc_start = round_down(offset, blocksize);
*/
start = max_t(loff_t, 0, *offset);
- lockstart = round_down(start, root->sectorsize);
- lockend = round_up(i_size_read(inode), root->sectorsize);
+ lockstart = round_down(start, root->fs_info->sectorsize);
+ lockend = round_up(i_size_read(inode),
+ root->fs_info->sectorsize);
if (lockend <= lockstart)
- lockend = lockstart + root->sectorsize;
+ lockend = lockstart + root->fs_info->sectorsize;
lockend--;
len = lockend - lockstart + 1;
* of cache left then go ahead an dadd them, no sense in adding
* the overhead of a bitmap if we don't have to.
*/
- if (info->bytes <= block_group->sectorsize * 4) {
+ if (info->bytes <= block_group->fs_info->sectorsize * 4) {
if (ctl->free_extents * 2 <= ctl->extents_thresh)
return false;
} else {
struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
spin_lock_init(&ctl->tree_lock);
- ctl->unit = block_group->sectorsize;
+ ctl->unit = block_group->fs_info->sectorsize;
ctl->start = block_group->key.objectid;
ctl->private = block_group;
ctl->op = &free_space_op;
cont1_bytes = min_bytes = bytes + empty_size;
} else if (block_group->flags & BTRFS_BLOCK_GROUP_METADATA) {
cont1_bytes = bytes;
- min_bytes = block_group->sectorsize;
+ min_bytes = block_group->fs_info->sectorsize;
} else {
cont1_bytes = max(bytes, (bytes + empty_size) >> 2);
- min_bytes = block_group->sectorsize;
+ min_bytes = block_group->fs_info->sectorsize;
}
spin_lock(&ctl->tree_lock);
* We convert to bitmaps when the disk space required for using extents
* exceeds that required for using bitmaps.
*/
- bitmap_range = cache->sectorsize * BTRFS_FREE_SPACE_BITMAP_BITS;
+ bitmap_range = cache->fs_info->sectorsize * BTRFS_FREE_SPACE_BITMAP_BITS;
num_bitmaps = div_u64(cache->key.offset + bitmap_range - 1,
bitmap_range);
bitmap_size = sizeof(struct btrfs_item) + BTRFS_FREE_SPACE_BITMAP_SIZE;
int ret;
bitmap_size = free_space_bitmap_size(block_group->key.offset,
- block_group->sectorsize);
+ block_group->fs_info->sectorsize);
bitmap = alloc_bitmap(bitmap_size);
if (!bitmap) {
ret = -ENOMEM;
ASSERT(found_key.objectid + found_key.offset <= end);
first = div_u64(found_key.objectid - start,
- block_group->sectorsize);
+ block_group->fs_info->sectorsize);
last = div_u64(found_key.objectid + found_key.offset - start,
- block_group->sectorsize);
+ block_group->fs_info->sectorsize);
le_bitmap_set(bitmap, first, last - first);
extent_count++;
}
bitmap_cursor = bitmap;
- bitmap_range = block_group->sectorsize * BTRFS_FREE_SPACE_BITMAP_BITS;
+ bitmap_range = block_group->fs_info->sectorsize * BTRFS_FREE_SPACE_BITMAP_BITS;
i = start;
while (i < end) {
unsigned long ptr;
extent_size = min(end - i, bitmap_range);
data_size = free_space_bitmap_size(extent_size,
- block_group->sectorsize);
+ block_group->fs_info->sectorsize);
key.objectid = i;
key.type = BTRFS_FREE_SPACE_BITMAP_KEY;
int ret;
bitmap_size = free_space_bitmap_size(block_group->key.offset,
- block_group->sectorsize);
+ block_group->fs_info->sectorsize);
bitmap = alloc_bitmap(bitmap_size);
if (!bitmap) {
ret = -ENOMEM;
ASSERT(found_key.objectid + found_key.offset <= end);
bitmap_pos = div_u64(found_key.objectid - start,
- block_group->sectorsize *
+ block_group->fs_info->sectorsize *
BITS_PER_BYTE);
bitmap_cursor = bitmap + bitmap_pos;
data_size = free_space_bitmap_size(found_key.offset,
- block_group->sectorsize);
+ block_group->fs_info->sectorsize);
ptr = btrfs_item_ptr_offset(leaf, path->slots[0] - 1);
read_extent_buffer(leaf, bitmap_cursor, ptr,
extent_count++;
}
prev_bit = bit;
- offset += block_group->sectorsize;
+ offset += block_group->fs_info->sectorsize;
bitnr++;
}
if (prev_bit == 1) {
ASSERT(offset >= found_start && offset < found_end);
ptr = btrfs_item_ptr_offset(leaf, path->slots[0]);
- i = div_u64(offset - found_start, block_group->sectorsize);
+ i = div_u64(offset - found_start,
+ block_group->fs_info->sectorsize);
return !!extent_buffer_test_bit(leaf, ptr, i);
}
end = found_end;
ptr = btrfs_item_ptr_offset(leaf, path->slots[0]);
- first = div_u64(*start - found_start, block_group->sectorsize);
- last = div_u64(end - found_start, block_group->sectorsize);
+ first = div_u64(*start - found_start,
+ block_group->fs_info->sectorsize);
+ last = div_u64(end - found_start,
+ block_group->fs_info->sectorsize);
if (bit)
extent_buffer_bitmap_set(leaf, ptr, first, last - first);
else
* that block is within the block group.
*/
if (start > block_group->key.objectid) {
- u64 prev_block = start - block_group->sectorsize;
+ u64 prev_block = start - block_group->fs_info->sectorsize;
key.objectid = prev_block;
key.type = (u8)-1;
}
start = key.objectid;
if (key.type == BTRFS_METADATA_ITEM_KEY)
- start += fs_info->tree_root->nodesize;
+ start += fs_info->nodesize;
else
start += key.offset;
} else if (key.type == BTRFS_BLOCK_GROUP_ITEM_KEY) {
extent_count++;
}
prev_bit = bit;
- offset += block_group->sectorsize;
+ offset += block_group->fs_info->sectorsize;
}
}
if (prev_bit == 1) {
u64 isize = i_size_read(inode);
u64 actual_end = min(end + 1, isize);
u64 inline_len = actual_end - start;
- u64 aligned_end = ALIGN(end, root->sectorsize);
+ u64 aligned_end = ALIGN(end, root->fs_info->sectorsize);
u64 data_len = inline_len;
int ret;
struct btrfs_path *path;
data_len = compressed_size;
if (start > 0 ||
- actual_end > root->sectorsize ||
- data_len > BTRFS_MAX_INLINE_DATA_SIZE(root) ||
+ actual_end > root->fs_info->sectorsize ||
+ data_len > BTRFS_MAX_INLINE_DATA_SIZE(root->fs_info) ||
(!compressed_size &&
- (actual_end & (root->sectorsize - 1)) == 0) ||
+ (actual_end & (root->fs_info->sectorsize - 1)) == 0) ||
end + 1 < isize ||
data_len > root->fs_info->max_inline) {
return 1;
{
struct btrfs_root *root = BTRFS_I(inode)->root;
u64 num_bytes;
- u64 blocksize = root->sectorsize;
+ u64 blocksize = root->fs_info->sectorsize;
u64 actual_end;
u64 isize = i_size_read(inode);
int ret = 0;
unsigned long ram_size;
u64 disk_num_bytes;
u64 cur_alloc_size;
- u64 blocksize = root->sectorsize;
+ u64 blocksize = root->fs_info->sectorsize;
struct btrfs_key ins;
struct extent_map *em;
struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;
cur_alloc_size = disk_num_bytes;
ret = btrfs_reserve_extent(root, cur_alloc_size, cur_alloc_size,
- root->sectorsize, 0, alloc_hint,
+ root->fs_info->sectorsize, 0,
+ alloc_hint,
&ins, 1, 1);
if (ret < 0)
goto out_unlock;
extent_end = found_key.offset +
btrfs_file_extent_inline_len(leaf,
path->slots[0], fi);
- extent_end = ALIGN(extent_end, root->sectorsize);
+ extent_end = ALIGN(extent_end,
+ root->fs_info->sectorsize);
} else {
BUG_ON(1);
}
* intend to use this reservation at all.
*/
bytes_deleted = btrfs_csum_bytes_to_leaves(root, bytes_deleted);
- bytes_deleted *= root->nodesize;
+ bytes_deleted *= root->fs_info->nodesize;
ret = btrfs_block_rsv_add(root, &root->fs_info->trans_block_rsv,
bytes_deleted, BTRFS_RESERVE_NO_FLUSH);
if (!ret) {
if (test_bit(BTRFS_ROOT_REF_COWS, &root->state) ||
root == root->fs_info->tree_root)
btrfs_drop_extent_cache(inode, ALIGN(new_size,
- root->sectorsize), (u64)-1, 0);
+ root->fs_info->sectorsize),
+ (u64)-1, 0);
/*
* This function is also used to drop the items in the log tree before
btrfs_file_extent_num_bytes(leaf, fi);
extent_num_bytes = ALIGN(new_size -
found_key.offset,
- root->sectorsize);
+ root->fs_info->sectorsize);
btrfs_set_file_extent_num_bytes(leaf, fi,
extent_num_bytes);
num_dec = (orig_num_bytes -
struct btrfs_ordered_extent *ordered;
struct extent_state *cached_state = NULL;
char *kaddr;
- u32 blocksize = root->sectorsize;
+ u32 blocksize = root->fs_info->sectorsize;
pgoff_t index = from >> PAGE_SHIFT;
unsigned offset = from & (blocksize - 1);
struct page *page;
struct extent_map *em = NULL;
struct extent_state *cached_state = NULL;
struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;
- u64 hole_start = ALIGN(oldsize, root->sectorsize);
- u64 block_end = ALIGN(size, root->sectorsize);
+ u64 hole_start = ALIGN(oldsize, root->fs_info->sectorsize);
+ u64 block_end = ALIGN(size, root->fs_info->sectorsize);
u64 last_byte;
u64 cur_offset;
u64 hole_size;
break;
}
last_byte = min(extent_map_end(em), block_end);
- last_byte = ALIGN(last_byte , root->sectorsize);
+ last_byte = ALIGN(last_byte, root->fs_info->sectorsize);
if (!test_bit(EXTENT_FLAG_PREALLOC, &em->flags)) {
struct extent_map *hole_em;
hole_size = last_byte - cur_offset;
} else if (found_type == BTRFS_FILE_EXTENT_INLINE) {
size_t size;
size = btrfs_file_extent_inline_len(leaf, path->slots[0], item);
- extent_end = ALIGN(extent_start + size, root->sectorsize);
+ extent_end = ALIGN(extent_start + size,
+ root->fs_info->sectorsize);
}
next:
if (start >= extent_end) {
copy_size = min_t(u64, PAGE_SIZE - pg_offset,
size - extent_offset);
em->start = extent_start + extent_offset;
- em->len = ALIGN(copy_size, root->sectorsize);
+ em->len = ALIGN(copy_size, root->fs_info->sectorsize);
em->orig_block_len = em->len;
em->orig_start = em->start;
ptr = btrfs_file_extent_inline_start(item) + extent_offset;
int ret;
alloc_hint = get_extent_allocation_hint(inode, start, len);
- ret = btrfs_reserve_extent(root, len, len, root->sectorsize, 0,
- alloc_hint, &ins, 1, 1);
+ ret = btrfs_reserve_extent(root, len, len, root->fs_info->sectorsize,
+ 0, alloc_hint, &ins, 1, 1);
if (ret)
return ERR_PTR(ret);
if (!nocow && found_type == BTRFS_FILE_EXTENT_PREALLOC) {
u64 range_end;
- range_end = round_up(offset + num_bytes, root->sectorsize) - 1;
+ range_end = round_up(offset + num_bytes,
+ root->fs_info->sectorsize) - 1;
ret = test_range_bit(io_tree, offset, range_end,
EXTENT_DELALLOC, 0, NULL);
if (ret) {
if (create)
unlock_bits |= EXTENT_DIRTY;
else
- len = min_t(u64, len, root->sectorsize);
+ len = min_t(u64, len, root->fs_info->sectorsize);
lockstart = start;
lockend = start + len - 1;
* give it a chance to use preallocated space.
*/
len = min_t(u64, bh_result->b_size, em->len - (start - em->start));
- len = ALIGN(len, root->sectorsize);
+ len = ALIGN(len, root->fs_info->sectorsize);
free_extent_map(em);
em = btrfs_new_extent_direct(inode, start, len);
if (IS_ERR(em)) {
if ((failed_bio->bi_vcnt > 1)
|| (failed_bio->bi_io_vec->bv_len
- > BTRFS_I(inode)->root->sectorsize))
+ > btrfs_inode_sectorsize(inode)))
read_mode = READ_SYNC | REQ_FAILFAST_DEV;
else
read_mode = READ_SYNC;
ASSERT(bio->bi_vcnt == 1);
inode = bio->bi_io_vec->bv_page->mapping->host;
- ASSERT(bio->bi_io_vec->bv_len == BTRFS_I(inode)->root->sectorsize);
+ ASSERT(bio->bi_io_vec->bv_len == btrfs_inode_sectorsize(inode));
done->uptodate = 1;
bio_for_each_segment_all(bvec, bio, i)
int ret;
fs_info = BTRFS_I(inode)->root->fs_info;
- sectorsize = BTRFS_I(inode)->root->sectorsize;
+ sectorsize = fs_info->sectorsize;
start = io_bio->logical;
done.inode = inode;
ASSERT(bio->bi_vcnt == 1);
inode = bio->bi_io_vec->bv_page->mapping->host;
- ASSERT(bio->bi_io_vec->bv_len == BTRFS_I(inode)->root->sectorsize);
+ ASSERT(bio->bi_io_vec->bv_len == btrfs_inode_sectorsize(inode));
bio_for_each_segment_all(bvec, bio, i) {
ret = __readpage_endio_check(done->inode, io_bio, i,
int ret;
fs_info = BTRFS_I(inode)->root->fs_info;
- sectorsize = BTRFS_I(inode)->root->sectorsize;
+ sectorsize = fs_info->sectorsize;
err = 0;
start = io_bio->logical;
u64 file_offset = dip->logical_offset;
u64 submit_len = 0;
u64 map_length;
- u32 blocksize = root->sectorsize;
+ u32 blocksize = root->fs_info->sectorsize;
int async_submit = 0;
int nr_sectors;
int ret;
{
int seg;
int i;
- unsigned blocksize_mask = root->sectorsize - 1;
+ unsigned int blocksize_mask = root->fs_info->sectorsize - 1;
ssize_t retval = -EINVAL;
if (offset & blocksize_mask)
* do the accounting properly if we go over the number we
* originally calculated. Abuse current->journal_info for this.
*/
- dio_data.reserve = round_up(count, root->sectorsize);
+ dio_data.reserve = round_up(count,
+ root->fs_info->sectorsize);
dio_data.unsubmitted_oe_range_start = (u64)offset;
dio_data.unsubmitted_oe_range_end = (u64)offset;
current->journal_info = &dio_data;
}
if (page->index == ((size - 1) >> PAGE_SHIFT)) {
- reserved_space = round_up(size - page_start, root->sectorsize);
+ reserved_space = round_up(size - page_start,
+ root->fs_info->sectorsize);
if (reserved_space < PAGE_SIZE) {
end = page_start + reserved_space - 1;
spin_lock(&BTRFS_I(inode)->lock);
int ret = 0;
int err = 0;
struct btrfs_trans_handle *trans;
- u64 mask = root->sectorsize - 1;
+ u64 mask = root->fs_info->sectorsize - 1;
u64 min_size = btrfs_calc_trunc_metadata_size(root, 1);
ret = btrfs_wait_ordered_range(inode, inode->i_size & (~mask),
struct extent_buffer *leaf;
name_len = strlen(symname);
- if (name_len > BTRFS_MAX_INLINE_DATA_SIZE(root))
+ if (name_len > BTRFS_MAX_INLINE_DATA_SIZE(root->fs_info))
return -ENAMETOOLONG;
/*
btrfs_set_stack_inode_generation(inode_item, 1);
btrfs_set_stack_inode_size(inode_item, 3);
btrfs_set_stack_inode_nlink(inode_item, 1);
- btrfs_set_stack_inode_nbytes(inode_item, root->nodesize);
+ btrfs_set_stack_inode_nbytes(inode_item,
+ root->fs_info->nodesize);
btrfs_set_stack_inode_mode(inode_item, S_IFDIR | 0755);
btrfs_set_root_flags(root_item, 0);
goto out_free;
}
- new_size = div_u64(new_size, root->sectorsize);
- new_size *= root->sectorsize;
+ new_size = div_u64(new_size, root->fs_info->sectorsize);
+ new_size *= root->fs_info->sectorsize;
btrfs_info_in_rcu(root->fs_info, "new size for %s is %llu",
rcu_str_deref(device->name), new_size);
{
struct btrfs_root *root = BTRFS_I(dst)->root;
const u64 aligned_end = ALIGN(new_key->offset + datal,
- root->sectorsize);
+ root->fs_info->sectorsize);
int ret;
struct btrfs_key key;
u64 last_dest_end = destoff;
ret = -ENOMEM;
- buf = kmalloc(root->nodesize, GFP_KERNEL | __GFP_NOWARN);
+ buf = kmalloc(root->fs_info->nodesize,
+ GFP_KERNEL | __GFP_NOWARN);
if (!buf) {
- buf = vmalloc(root->nodesize);
+ buf = vmalloc(root->fs_info->nodesize);
if (!buf)
return ret;
}
btrfs_release_path(path);
last_dest_end = ALIGN(new_key.offset + datal,
- root->sectorsize);
+ root->fs_info->sectorsize);
ret = clone_finish_inode_update(trans, inode,
last_dest_end,
destoff, olen,
ordered->file_offset +
ordered->truncated_len);
} else {
- offset = ALIGN(offset, BTRFS_I(inode)->root->sectorsize);
+ offset = ALIGN(offset, btrfs_inode_sectorsize(inode));
}
disk_i_size = BTRFS_I(inode)->disk_i_size;
struct btrfs_ordered_inode_tree *tree = &BTRFS_I(inode)->ordered_tree;
unsigned long num_sectors;
unsigned long i;
- u32 sectorsize = BTRFS_I(inode)->root->sectorsize;
+ u32 sectorsize = btrfs_inode_sectorsize(inode);
int index = 0;
ordered = btrfs_lookup_ordered_extent(inode, offset);
* calculates the total size you need to allocate for an ordered sum
* structure spanning 'bytes' in the file
*/
-static inline int btrfs_ordered_sum_size(struct btrfs_root *root,
+static inline int btrfs_ordered_sum_size(struct btrfs_fs_info *fs_info,
unsigned long bytes)
{
- int num_sectors = (int)DIV_ROUND_UP(bytes, root->sectorsize);
+ int num_sectors = (int)DIV_ROUND_UP(bytes, fs_info->sectorsize);
return sizeof(struct btrfs_ordered_sum) + num_sectors * sizeof(u32);
}
btrfs_info(root->fs_info,
"node %llu level %d total ptrs %d free spc %u",
btrfs_header_bytenr(c), level, nr,
- (u32)BTRFS_NODEPTRS_PER_BLOCK(root) - nr);
+ (u32)BTRFS_NODEPTRS_PER_BLOCK(root->fs_info) - nr);
for (i = 0; i < nr; i++) {
btrfs_node_key_to_cpu(c, &key, i);
pr_info("\tkey %d (%llu %u %llu) block %llu\n",
ret = btrfs_qgroup_trace_extent(trans,
root->fs_info, child_bytenr,
- root->nodesize, GFP_NOFS);
+ root->fs_info->nodesize, GFP_NOFS);
if (ret)
goto out;
}
}
rcu_read_lock();
- level_size = srcroot->nodesize;
+ level_size = srcroot->fs_info->nodesize;
rcu_read_unlock();
}
found.type != BTRFS_METADATA_ITEM_KEY)
continue;
if (found.type == BTRFS_METADATA_ITEM_KEY)
- num_bytes = fs_info->extent_root->nodesize;
+ num_bytes = fs_info->nodesize;
else
num_bytes = found.offset;
!is_fstree(root->objectid) || num_bytes == 0)
return 0;
- BUG_ON(num_bytes != round_down(num_bytes, root->nodesize));
+ BUG_ON(num_bytes != round_down(num_bytes, root->fs_info->nodesize));
ret = qgroup_reserve(root, num_bytes);
if (ret < 0)
return ret;
!is_fstree(root->objectid))
return;
- BUG_ON(num_bytes != round_down(num_bytes, root->nodesize));
+ BUG_ON(num_bytes != round_down(num_bytes, root->fs_info->nodesize));
WARN_ON(atomic_read(&root->qgroup_meta_rsv) < num_bytes);
atomic_sub(num_bytes, &root->qgroup_meta_rsv);
qgroup_free(root, num_bytes);
}
/* Now we just support the sectorsize equals to page size */
- ASSERT(root->sectorsize == PAGE_SIZE);
+ ASSERT(root->fs_info->sectorsize == PAGE_SIZE);
ASSERT(rbio->stripe_npages == stripe_nsectors);
bitmap_copy(rbio->dbitmap, dbitmap, stripe_nsectors);
if (!re)
return NULL;
- blocksize = root->nodesize;
+ blocksize = root->fs_info->nodesize;
re->logical = logical;
re->top = *top;
INIT_LIST_HEAD(&re->extctl);
spin_unlock(&fs_info->reada_lock);
return 0;
}
- dev->reada_next = re->logical + fs_info->tree_root->nodesize;
+ dev->reada_next = re->logical + fs_info->nodesize;
re->refcnt++;
spin_unlock(&fs_info->reada_lock);
if (ret == 0)
break;
pr_debug(" re: logical %llu size %u empty %d scheduled %d",
- re->logical, fs_info->tree_root->nodesize,
+ re->logical, fs_info->nodesize,
list_empty(&re->extctl), re->scheduled);
for (i = 0; i < re->nzones; ++i) {
continue;
}
pr_debug("re: logical %llu size %u list empty %d scheduled %d",
- re->logical, fs_info->tree_root->nodesize,
+ re->logical, fs_info->nodesize,
list_empty(&re->extctl), re->scheduled);
for (i = 0; i < re->nzones; ++i) {
pr_cont(" zone %llu-%llu devs",
end = key.offset +
btrfs_file_extent_num_bytes(leaf, fi);
WARN_ON(!IS_ALIGNED(key.offset,
- root->sectorsize));
- WARN_ON(!IS_ALIGNED(end, root->sectorsize));
+ root->fs_info->sectorsize));
+ WARN_ON(!IS_ALIGNED(end, root->fs_info->sectorsize));
end--;
ret = try_lock_extent(&BTRFS_I(inode)->io_tree,
key.offset, end);
btrfs_node_key_to_cpu(parent, next_key, slot + 1);
old_bytenr = btrfs_node_blockptr(parent, slot);
- blocksize = dest->nodesize;
+ blocksize = dest->fs_info->nodesize;
old_ptr_gen = btrfs_node_ptr_generation(parent, slot);
if (level <= max_level) {
start = 0;
else {
start = min_key->offset;
- WARN_ON(!IS_ALIGNED(start, root->sectorsize));
+ WARN_ON(!IS_ALIGNED(start, root->fs_info->sectorsize));
}
} else {
start = 0;
if (max_key->offset == 0)
continue;
end = max_key->offset;
- WARN_ON(!IS_ALIGNED(end, root->sectorsize));
+ WARN_ON(!IS_ALIGNED(end, root->fs_info->sectorsize));
end--;
}
} else {
btrfs_unlock_up_safe(path, 0);
}
- min_reserved = root->nodesize * (BTRFS_MAX_LEVEL - 1) * 2;
+ min_reserved = root->fs_info->nodesize * (BTRFS_MAX_LEVEL - 1) * 2;
memset(&next_key, 0, sizeof(next_key));
while (1) {
int ret;
mutex_lock(&root->fs_info->reloc_mutex);
- rc->merging_rsv_size += root->nodesize * (BTRFS_MAX_LEVEL - 1) * 2;
+ rc->merging_rsv_size += root->fs_info->nodesize * (BTRFS_MAX_LEVEL - 1) * 2;
rc->merging_rsv_size += rc->nodes_relocated * 2;
mutex_unlock(&root->fs_info->reloc_mutex);
if (next->processed && (reserve || next != node))
break;
- num_bytes += rc->extent_root->nodesize;
+ num_bytes += rc->extent_root->fs_info->nodesize;
if (list_empty(&next->upper))
break;
struct backref_node *node)
{
struct btrfs_root *root = rc->extent_root;
+ struct btrfs_fs_info *fs_info = root->fs_info;
u64 num_bytes;
int ret;
u64 tmp;
ret = btrfs_block_rsv_refill(root, rc->block_rsv, num_bytes,
BTRFS_RESERVE_FLUSH_LIMIT);
if (ret) {
- tmp = rc->extent_root->nodesize * RELOCATION_RESERVED_NODES;
+ tmp = fs_info->nodesize * RELOCATION_RESERVED_NODES;
while (tmp <= rc->reserved_bytes)
tmp <<= 1;
/*
* space for relocation and we will return eailer in
* enospc case.
*/
- rc->block_rsv->size = tmp + rc->extent_root->nodesize *
- RELOCATION_RESERVED_NODES;
+ rc->block_rsv->size = tmp + fs_info->nodesize *
+ RELOCATION_RESERVED_NODES;
return -EAGAIN;
}
goto next;
}
- blocksize = root->nodesize;
+ blocksize = root->fs_info->nodesize;
generation = btrfs_node_ptr_generation(upper->eb, slot);
eb = read_tree_block(root, bytenr, generation);
if (IS_ERR(eb)) {
u32 blocksize;
if (node->level == 0 ||
in_block_group(node->bytenr, rc->block_group)) {
- blocksize = rc->extent_root->nodesize;
+ blocksize = rc->extent_root->fs_info->nodesize;
mark_block_processed(rc, node->bytenr, blocksize);
}
node->processed = 1;
static int tree_block_processed(u64 bytenr, struct reloc_control *rc)
{
- u32 blocksize = rc->extent_root->nodesize;
+ u32 blocksize = rc->extent_root->fs_info->nodesize;
if (test_range_bit(&rc->processed_blocks, bytenr,
bytenr + blocksize - 1, EXTENT_DIRTY, 1, NULL))
return -ENOMEM;
block->bytenr = extent_key->objectid;
- block->key.objectid = rc->extent_root->nodesize;
+ block->key.objectid = rc->extent_root->fs_info->nodesize;
block->key.offset = generation;
block->level = level;
block->key_ready = 0;
struct btrfs_extent_inline_ref *iref;
unsigned long ptr;
unsigned long end;
- u32 blocksize = rc->extent_root->nodesize;
+ u32 blocksize = rc->extent_root->fs_info->nodesize;
int ret = 0;
int err = 0;
}
if (key.type == BTRFS_METADATA_ITEM_KEY &&
- key.objectid + rc->extent_root->nodesize <=
+ key.objectid + rc->extent_root->fs_info->nodesize <=
rc->search_start) {
path->slots[0]++;
goto next;
rc->search_start = key.objectid + key.offset;
else
rc->search_start = key.objectid +
- rc->extent_root->nodesize;
+ rc->extent_root->fs_info->nodesize;
memcpy(extent_key, &key, sizeof(key));
return 0;
}
rc->nodes_relocated = 0;
rc->merging_rsv_size = 0;
rc->reserved_bytes = 0;
- rc->block_rsv->size = rc->extent_root->nodesize *
+ rc->block_rsv->size = rc->extent_root->fs_info->nodesize *
RELOCATION_RESERVED_NODES;
ret = btrfs_block_rsv_refill(rc->extent_root,
rc->block_rsv, rc->block_rsv->size,
sctx->bios[i]->next_free = -1;
}
sctx->first_free = 0;
- sctx->nodesize = dev->fs_info->dev_root->nodesize;
- sctx->sectorsize = dev->fs_info->dev_root->sectorsize;
+ sctx->nodesize = dev->fs_info->nodesize;
+ sctx->sectorsize = dev->fs_info->sectorsize;
atomic_set(&sctx->bios_in_flight, 0);
atomic_set(&sctx->workers_pending, 0);
atomic_set(&sctx->cancel_req, 0);
{
u32 offset;
int nsectors;
- int sectorsize = sparity->sctx->fs_info->dev_root->sectorsize;
+ int sectorsize = sparity->sctx->fs_info->sectorsize;
if (len >= sparity->stripe_len) {
bitmap_set(bitmap, 0, sparity->nsectors);
int extent_mirror_num;
int stop_loop = 0;
- nsectors = div_u64(map->stripe_len, root->sectorsize);
+ nsectors = div_u64(map->stripe_len, root->fs_info->sectorsize);
bitmap_len = scrub_calc_parity_bitmap_len(nsectors);
sparity = kzalloc(sizeof(struct scrub_parity) + 2 * bitmap_len,
GFP_NOFS);
goto next;
if (key.type == BTRFS_METADATA_ITEM_KEY)
- bytes = root->nodesize;
+ bytes = root->fs_info->nodesize;
else
bytes = key.offset;
goto next;
if (key.type == BTRFS_METADATA_ITEM_KEY)
- bytes = root->nodesize;
+ bytes = root->fs_info->nodesize;
else
bytes = key.offset;
if (btrfs_fs_closing(fs_info))
return -EINVAL;
- if (fs_info->chunk_root->nodesize > BTRFS_STRIPE_LEN) {
+ if (fs_info->nodesize > BTRFS_STRIPE_LEN) {
/*
* in this case scrub is unable to calculate the checksum
* the way scrub is implemented. Do not handle this
*/
btrfs_err(fs_info,
"scrub: size assumption nodesize <= BTRFS_STRIPE_LEN (%d <= %d) fails",
- fs_info->chunk_root->nodesize, BTRFS_STRIPE_LEN);
+ fs_info->nodesize,
+ BTRFS_STRIPE_LEN);
return -EINVAL;
}
- if (fs_info->chunk_root->sectorsize != PAGE_SIZE) {
+ if (fs_info->sectorsize != PAGE_SIZE) {
/* not supported for data w/o checksums */
btrfs_err_rl(fs_info,
"scrub: size assumption sectorsize != PAGE_SIZE (%d != %lu) fails",
- fs_info->chunk_root->sectorsize, PAGE_SIZE);
+ fs_info->sectorsize, PAGE_SIZE);
return -EINVAL;
}
- if (fs_info->chunk_root->nodesize >
+ if (fs_info->nodesize >
PAGE_SIZE * SCRUB_MAX_PAGES_PER_BLOCK ||
- fs_info->chunk_root->sectorsize >
- PAGE_SIZE * SCRUB_MAX_PAGES_PER_BLOCK) {
+ fs_info->sectorsize > PAGE_SIZE * SCRUB_MAX_PAGES_PER_BLOCK) {
/*
* would exhaust the array bounds of pagev member in
* struct scrub_block
*/
btrfs_err(fs_info,
"scrub: size assumption nodesize and sectorsize <= SCRUB_MAX_PAGES_PER_BLOCK (%d <= %d && %d <= %d) fails",
- fs_info->chunk_root->nodesize,
+ fs_info->nodesize,
SCRUB_MAX_PAGES_PER_BLOCK,
- fs_info->chunk_root->sectorsize,
+ fs_info->sectorsize,
SCRUB_MAX_PAGES_PER_BLOCK);
return -EINVAL;
}
ret = -ENAMETOOLONG;
goto out;
}
- if (name_len + data_len > BTRFS_MAX_XATTR_SIZE(root)) {
+ if (name_len + data_len >
+ BTRFS_MAX_XATTR_SIZE(root->fs_info)) {
ret = -E2BIG;
goto out;
}
u64 size = btrfs_file_extent_inline_len(path->nodes[0],
path->slots[0], fi);
extent_end = ALIGN(key.offset + size,
- sctx->send_root->sectorsize);
+ sctx->send_root->fs_info->sectorsize);
} else {
extent_end = key.offset +
btrfs_file_extent_num_bytes(path->nodes[0], fi);
u64 size = btrfs_file_extent_inline_len(path->nodes[0],
path->slots[0], fi);
extent_end = ALIGN(key->offset + size,
- sctx->send_root->sectorsize);
+ sctx->send_root->fs_info->sectorsize);
} else {
extent_end = key->offset +
btrfs_file_extent_num_bytes(path->nodes[0], fi);
if (info->max_inline) {
info->max_inline = min_t(u64,
info->max_inline,
- root->sectorsize);
+ root->fs_info->sectorsize);
}
btrfs_info(root->fs_info, "max_inline at %llu",
info->max_inline);
unregister_filesystem(&test_type);
}
-struct btrfs_fs_info *btrfs_alloc_dummy_fs_info(void)
+struct btrfs_fs_info *btrfs_alloc_dummy_fs_info(u32 nodesize, u32 sectorsize)
{
struct btrfs_fs_info *fs_info = kzalloc(sizeof(struct btrfs_fs_info),
GFP_KERNEL);
return NULL;
}
+ fs_info->nodesize = nodesize;
+ fs_info->sectorsize = sectorsize;
+
if (init_srcu_struct(&fs_info->subvol_srcu)) {
kfree(fs_info->fs_devices);
kfree(fs_info->super_copy);
}
struct btrfs_block_group_cache *
-btrfs_alloc_dummy_block_group(unsigned long length, u32 sectorsize)
+btrfs_alloc_dummy_block_group(struct btrfs_fs_info *fs_info,
+ unsigned long length)
{
struct btrfs_block_group_cache *cache;
cache->key.objectid = 0;
cache->key.offset = length;
cache->key.type = BTRFS_BLOCK_GROUP_ITEM_KEY;
- cache->sectorsize = sectorsize;
- cache->full_stripe_len = sectorsize;
+ cache->sectorsize = fs_info->sectorsize;
+ cache->full_stripe_len = fs_info->sectorsize;
+ cache->fs_info = fs_info;
INIT_LIST_HEAD(&cache->list);
INIT_LIST_HEAD(&cache->cluster_list);
int btrfs_test_qgroups(u32 sectorsize, u32 nodesize);
int btrfs_test_free_space_tree(u32 sectorsize, u32 nodesize);
struct inode *btrfs_new_test_inode(void);
-struct btrfs_fs_info *btrfs_alloc_dummy_fs_info(void);
+struct btrfs_fs_info *btrfs_alloc_dummy_fs_info(u32 nodesize, u32 sectorsize);
void btrfs_free_dummy_fs_info(struct btrfs_fs_info *fs_info);
void btrfs_free_dummy_root(struct btrfs_root *root);
struct btrfs_block_group_cache *
-btrfs_alloc_dummy_block_group(unsigned long length, u32 sectorsize);
+btrfs_alloc_dummy_block_group(struct btrfs_fs_info *fs_info, unsigned long length);
void btrfs_free_dummy_block_group(struct btrfs_block_group_cache *cache);
void btrfs_init_dummy_trans(struct btrfs_trans_handle *trans);
#else
test_msg("Running btrfs_split_item tests\n");
- fs_info = btrfs_alloc_dummy_fs_info();
+ fs_info = btrfs_alloc_dummy_fs_info(nodesize, sectorsize);
if (!fs_info) {
test_msg("Could not allocate fs_info\n");
return -ENOMEM;
}
- root = btrfs_alloc_dummy_root(fs_info, sectorsize, nodesize);
+ root = btrfs_alloc_dummy_root(fs_info);
if (IS_ERR(root)) {
test_msg("Could not allocate root\n");
ret = PTR_ERR(root);
goto out;
}
- path->nodes[0] = eb = alloc_dummy_extent_buffer(NULL, nodesize,
- nodesize);
+ path->nodes[0] = eb = alloc_dummy_extent_buffer(fs_info, nodesize);
if (!eb) {
test_msg("Could not allocate dummy buffer\n");
ret = -ENOMEM;
static int test_eb_bitmaps(u32 sectorsize, u32 nodesize)
{
+ struct btrfs_fs_info *fs_info;
unsigned long len;
unsigned long *bitmap;
struct extent_buffer *eb;
len = (sectorsize < BTRFS_MAX_METADATA_BLOCKSIZE)
? sectorsize * 4 : sectorsize;
+ fs_info = btrfs_alloc_dummy_fs_info(len, len);
+
bitmap = kmalloc(len, GFP_KERNEL);
if (!bitmap) {
test_msg("Couldn't allocate test bitmap\n");
return -ENOMEM;
}
- eb = __alloc_dummy_extent_buffer(NULL, 0, len);
+ eb = __alloc_dummy_extent_buffer(fs_info, 0, len);
if (!eb) {
test_msg("Couldn't allocate test extent buffer\n");
kfree(bitmap);
int ret = -ENOMEM;
test_msg("Running btrfs free space cache tests\n");
+ fs_info = btrfs_alloc_dummy_fs_info(nodesize, sectorsize);
+ if (!fs_info)
+ return -ENOMEM;
+
/*
* For ppc64 (with 64k page size), bytes per bitmap might be
* larger than 1G. To make bitmap test available in ppc64,
* alloc dummy block group whose size cross bitmaps.
*/
- cache = btrfs_alloc_dummy_block_group(BITS_PER_BITMAP * sectorsize
- + PAGE_SIZE, sectorsize);
+ cache = btrfs_alloc_dummy_block_group(fs_info,
+ BITS_PER_BITMAP * sectorsize + PAGE_SIZE);
if (!cache) {
test_msg("Couldn't run the tests\n");
+ btrfs_free_dummy_fs_info(fs_info);
return 0;
}
- fs_info = btrfs_alloc_dummy_fs_info();
- if (!fs_info) {
- ret = -ENOMEM;
- goto out;
- }
-
- root = btrfs_alloc_dummy_root(fs_info, sectorsize, nodesize);
+ root = btrfs_alloc_dummy_root(fs_info);
if (IS_ERR(root)) {
ret = PTR_ERR(root);
goto out;
}
root->fs_info->extent_root = root;
- cache->fs_info = root->fs_info;
ret = test_extents(cache);
if (ret)
struct btrfs_path *path = NULL;
int ret;
- fs_info = btrfs_alloc_dummy_fs_info();
+ fs_info = btrfs_alloc_dummy_fs_info(nodesize, sectorsize);
if (!fs_info) {
test_msg("Couldn't allocate dummy fs info\n");
ret = -ENOMEM;
goto out;
}
- root = btrfs_alloc_dummy_root(fs_info, sectorsize, nodesize);
+ root = btrfs_alloc_dummy_root(fs_info);
if (IS_ERR(root)) {
test_msg("Couldn't allocate dummy root\n");
ret = PTR_ERR(root);
root->fs_info->free_space_root = root;
root->fs_info->tree_root = root;
- root->node = alloc_test_extent_buffer(root->fs_info,
- nodesize, nodesize);
+ root->node = alloc_test_extent_buffer(root->fs_info, nodesize);
if (!root->node) {
test_msg("Couldn't allocate dummy buffer\n");
ret = -ENOMEM;
btrfs_set_header_nritems(root->node, 0);
root->alloc_bytenr += 2 * nodesize;
- cache = btrfs_alloc_dummy_block_group(8 * alignment, sectorsize);
+ cache = btrfs_alloc_dummy_block_group(fs_info, 8 * alignment);
if (!cache) {
test_msg("Couldn't allocate dummy block group cache\n");
ret = -ENOMEM;
BTRFS_I(inode)->location.objectid = BTRFS_FIRST_FREE_OBJECTID;
BTRFS_I(inode)->location.offset = 0;
- fs_info = btrfs_alloc_dummy_fs_info();
+ fs_info = btrfs_alloc_dummy_fs_info(nodesize, sectorsize);
if (!fs_info) {
test_msg("Couldn't allocate dummy fs info\n");
goto out;
}
- root = btrfs_alloc_dummy_root(fs_info, sectorsize, nodesize);
+ root = btrfs_alloc_dummy_root(fs_info);
if (IS_ERR(root)) {
test_msg("Couldn't allocate root\n");
goto out;
}
- root->node = alloc_dummy_extent_buffer(NULL, nodesize, nodesize);
+ root->node = alloc_dummy_extent_buffer(fs_info, nodesize);
if (!root->node) {
test_msg("Couldn't allocate dummy buffer\n");
goto out;
BTRFS_I(inode)->location.objectid = BTRFS_FIRST_FREE_OBJECTID;
BTRFS_I(inode)->location.offset = 0;
- fs_info = btrfs_alloc_dummy_fs_info();
+ fs_info = btrfs_alloc_dummy_fs_info(nodesize, sectorsize);
if (!fs_info) {
test_msg("Couldn't allocate dummy fs info\n");
goto out;
}
- root = btrfs_alloc_dummy_root(fs_info, sectorsize, nodesize);
+ root = btrfs_alloc_dummy_root(fs_info);
if (IS_ERR(root)) {
test_msg("Couldn't allocate root\n");
goto out;
}
- root->node = alloc_dummy_extent_buffer(NULL, nodesize, nodesize);
+ root->node = alloc_dummy_extent_buffer(fs_info, nodesize);
if (!root->node) {
test_msg("Couldn't allocate dummy buffer\n");
goto out;
return ret;
}
- fs_info = btrfs_alloc_dummy_fs_info();
+ fs_info = btrfs_alloc_dummy_fs_info(nodesize, sectorsize);
if (!fs_info) {
test_msg("Couldn't allocate dummy fs info\n");
goto out;
}
- root = btrfs_alloc_dummy_root(fs_info, sectorsize, nodesize);
+ root = btrfs_alloc_dummy_root(fs_info);
if (IS_ERR(root)) {
test_msg("Couldn't allocate root\n");
goto out;
struct btrfs_root *tmp_root;
int ret = 0;
- fs_info = btrfs_alloc_dummy_fs_info();
+ fs_info = btrfs_alloc_dummy_fs_info(nodesize, sectorsize);
if (!fs_info) {
test_msg("Couldn't allocate dummy fs info\n");
return -ENOMEM;
}
- root = btrfs_alloc_dummy_root(fs_info, sectorsize, nodesize);
+ root = btrfs_alloc_dummy_root(fs_info);
if (IS_ERR(root)) {
test_msg("Couldn't allocate root\n");
ret = PTR_ERR(root);
* Can't use bytenr 0, some things freak out
* *cough*backref walking code*cough*
*/
- root->node = alloc_test_extent_buffer(root->fs_info, nodesize,
- nodesize);
+ root->node = alloc_test_extent_buffer(root->fs_info, nodesize);
if (!root->node) {
test_msg("Couldn't allocate dummy buffer\n");
ret = -ENOMEM;
btrfs_set_header_nritems(root->node, 0);
root->alloc_bytenr += 2 * nodesize;
- tmp_root = btrfs_alloc_dummy_root(fs_info, sectorsize, nodesize);
+ tmp_root = btrfs_alloc_dummy_root(fs_info);
if (IS_ERR(tmp_root)) {
test_msg("Couldn't allocate a fs root\n");
ret = PTR_ERR(tmp_root);
goto out;
}
- tmp_root = btrfs_alloc_dummy_root(fs_info, sectorsize, nodesize);
+ tmp_root = btrfs_alloc_dummy_root(fs_info);
if (IS_ERR(tmp_root)) {
test_msg("Couldn't allocate a fs root\n");
ret = PTR_ERR(tmp_root);
* the appropriate flushing if need be.
*/
if (num_items > 0 && root != root->fs_info->chunk_root) {
- qgroup_reserved = num_items * root->nodesize;
+ qgroup_reserved = num_items * root->fs_info->nodesize;
ret = btrfs_qgroup_reserve_meta(root, qgroup_reserved);
if (ret)
return ERR_PTR(ret);
* Do the reservation for the relocation root creation
*/
if (need_reserve_reloc_root(root)) {
- num_bytes += root->nodesize;
+ num_bytes += root->fs_info->nodesize;
reloc_reserved = true;
}
} else if (found_type == BTRFS_FILE_EXTENT_INLINE) {
size = btrfs_file_extent_inline_len(eb, slot, item);
nbytes = btrfs_file_extent_ram_bytes(eb, item);
- extent_end = ALIGN(start + size, root->sectorsize);
+ extent_end = ALIGN(start + size,
+ root->fs_info->sectorsize);
} else {
ret = 0;
goto out;
bytenr = btrfs_node_blockptr(cur, path->slots[*level]);
ptr_gen = btrfs_node_ptr_generation(cur, path->slots[*level]);
- blocksize = root->nodesize;
+ blocksize = root->fs_info->nodesize;
parent = path->nodes[*level];
root_owner = btrfs_header_owner(parent);
src_path->slots[0],
extent);
*last_extent = ALIGN(key.offset + len,
- log->sectorsize);
+ log->fs_info->sectorsize);
} else {
len = btrfs_file_extent_num_bytes(src, extent);
*last_extent = key.offset + len;
if (btrfs_file_extent_type(src, extent) ==
BTRFS_FILE_EXTENT_INLINE) {
len = btrfs_file_extent_inline_len(src, i, extent);
- extent_end = ALIGN(key.offset + len, log->sectorsize);
+ extent_end = ALIGN(key.offset + len,
+ log->fs_info->sectorsize);
} else {
len = btrfs_file_extent_num_bytes(src, extent);
extent_end = key.offset + len;
if (hole_size == 0)
return 0;
- hole_size = ALIGN(hole_size, root->sectorsize);
+ hole_size = ALIGN(hole_size, root->fs_info->sectorsize);
ret = btrfs_insert_file_extent(trans, log, ino, hole_start, 0, 0,
hole_size, 0, hole_size, 0, 0, 0);
return ret;
device->can_discard = 1;
device->writeable = 1;
device->generation = trans->transid;
- device->io_width = root->sectorsize;
- device->io_align = root->sectorsize;
- device->sector_size = root->sectorsize;
+ device->io_width = root->fs_info->sectorsize;
+ device->io_align = root->fs_info->sectorsize;
+ device->sector_size = root->fs_info->sectorsize;
device->total_bytes = i_size_read(bdev->bd_inode);
device->disk_total_bytes = device->total_bytes;
device->commit_total_bytes = device->total_bytes;
mutex_lock(&root->fs_info->fs_devices->device_list_mutex);
device->writeable = 1;
device->generation = 0;
- device->io_width = root->sectorsize;
- device->io_align = root->sectorsize;
- device->sector_size = root->sectorsize;
+ device->io_width = root->fs_info->sectorsize;
+ device->io_align = root->fs_info->sectorsize;
+ device->sector_size = root->fs_info->sectorsize;
device->total_bytes = btrfs_device_get_total_bytes(srcdev);
device->disk_total_bytes = btrfs_device_get_disk_total_bytes(srcdev);
device->bytes_used = btrfs_device_get_bytes_used(srcdev);
void btrfs_init_dev_replace_tgtdev_for_resume(struct btrfs_fs_info *fs_info,
struct btrfs_device *tgtdev)
{
+ u32 sectorsize = fs_info->sectorsize;
+
WARN_ON(fs_info->fs_devices->rw_devices == 0);
- tgtdev->io_width = fs_info->dev_root->sectorsize;
- tgtdev->io_align = fs_info->dev_root->sectorsize;
- tgtdev->sector_size = fs_info->dev_root->sectorsize;
+ tgtdev->io_width = sectorsize;
+ tgtdev->io_align = sectorsize;
+ tgtdev->sector_size = sectorsize;
tgtdev->fs_info = fs_info;
tgtdev->in_fs_metadata = 1;
}
btrfs_set_fs_incompat(info, RAID56);
}
-#define BTRFS_MAX_DEVS(r) ((BTRFS_MAX_ITEM_SIZE(r) \
+#define BTRFS_MAX_DEVS(r) ((BTRFS_MAX_ITEM_SIZE(r->fs_info) \
- sizeof(struct btrfs_chunk)) \
/ sizeof(struct btrfs_stripe) + 1)
if (type & BTRFS_BLOCK_GROUP_RAID5) {
raid_stripe_len = find_raid56_stripe_len(ndevs - 1,
- extent_root->stripesize);
+ info->stripesize);
data_stripes = num_stripes - 1;
}
if (type & BTRFS_BLOCK_GROUP_RAID6) {
raid_stripe_len = find_raid56_stripe_len(ndevs - 2,
- extent_root->stripesize);
+ info->stripesize);
data_stripes = num_stripes - 2;
}
j * stripe_size;
}
}
- map->sector_size = extent_root->sectorsize;
+ map->sector_size = info->sectorsize;
map->stripe_len = raid_stripe_len;
map->io_align = raid_stripe_len;
map->io_width = raid_stripe_len;
btrfs_set_stack_chunk_num_stripes(chunk, map->num_stripes);
btrfs_set_stack_chunk_io_align(chunk, map->stripe_len);
btrfs_set_stack_chunk_io_width(chunk, map->stripe_len);
- btrfs_set_stack_chunk_sector_size(chunk, extent_root->sectorsize);
+ btrfs_set_stack_chunk_sector_size(chunk,
+ extent_root->fs_info->sectorsize);
btrfs_set_stack_chunk_sub_stripes(chunk, map->sub_stripes);
key.objectid = BTRFS_FIRST_CHUNK_TREE_OBJECTID;
struct extent_map *em;
struct map_lookup *map;
struct extent_map_tree *em_tree = &map_tree->map_tree;
- unsigned long len = root->sectorsize;
+ unsigned long len = root->fs_info->sectorsize;
read_lock(&em_tree->lock);
em = lookup_extent_mapping(em_tree, logical, len);
num_stripes);
return -EIO;
}
- if (!IS_ALIGNED(logical, root->sectorsize)) {
+ if (!IS_ALIGNED(logical, root->fs_info->sectorsize)) {
btrfs_err(root->fs_info,
"invalid chunk logical %llu", logical);
return -EIO;
}
- if (btrfs_chunk_sector_size(leaf, chunk) != root->sectorsize) {
+ if (btrfs_chunk_sector_size(leaf, chunk) != root->fs_info->sectorsize) {
btrfs_err(root->fs_info, "invalid chunk sectorsize %u",
btrfs_chunk_sector_size(leaf, chunk));
return -EIO;
}
- if (!length || !IS_ALIGNED(length, root->sectorsize)) {
+ if (!length || !IS_ALIGNED(length, root->fs_info->sectorsize)) {
btrfs_err(root->fs_info,
"invalid chunk length %llu", length);
return -EIO;
u64 type;
struct btrfs_key key;
- ASSERT(BTRFS_SUPER_INFO_SIZE <= root->nodesize);
+ ASSERT(BTRFS_SUPER_INFO_SIZE <= root->fs_info->nodesize);
/*
* This will create extent buffer of nodesize, superblock size is
* fixed to BTRFS_SUPER_INFO_SIZE. If nodesize > sb size, this will
size_t name_len = strlen(name);
int ret = 0;
- if (name_len + size > BTRFS_MAX_XATTR_SIZE(root))
+ if (name_len + size > BTRFS_MAX_XATTR_SIZE(root->fs_info))
return -ENOSPC;
path = btrfs_alloc_path();
projects / mirror_ubuntu-bionic-kernel.git / commitdiff