if (__is_large_section(sbi)) {
unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
- unsigned short valid_blocks =
+ block_t valid_blocks =
get_valid_blocks(sbi, segno, true);
f2fs_bug_on(sbi, unlikely(!valid_blocks ||
enum dirty_type dirty_type)
{
struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
- unsigned short valid_blocks;
+ block_t valid_blocks;
if (test_and_clear_bit(segno, dirty_i->dirty_segmap[dirty_type]))
dirty_i->nr_dirty[dirty_type]--;
{
struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
unsigned short valid_blocks, ckpt_valid_blocks;
+ unsigned int usable_blocks;
if (segno == NULL_SEGNO || IS_CURSEG(sbi, segno))
return;
+ usable_blocks = f2fs_usable_blks_in_seg(sbi, segno);
mutex_lock(&dirty_i->seglist_lock);
valid_blocks = get_valid_blocks(sbi, segno, false);
ckpt_valid_blocks = get_ckpt_valid_blocks(sbi, segno);
if (valid_blocks == 0 && (!is_sbi_flag_set(sbi, SBI_CP_DISABLED) ||
- ckpt_valid_blocks == sbi->blocks_per_seg)) {
+ ckpt_valid_blocks == usable_blocks)) {
__locate_dirty_segment(sbi, segno, PRE);
__remove_dirty_segment(sbi, segno, DIRTY);
- } else if (valid_blocks < sbi->blocks_per_seg) {
+ } else if (valid_blocks < usable_blocks) {
__locate_dirty_segment(sbi, segno, DIRTY);
} else {
/* Recovery routine with SSR needs this */
for_each_set_bit(segno, dirty_i->dirty_segmap[DIRTY], MAIN_SEGS(sbi)) {
se = get_seg_entry(sbi, segno);
if (IS_NODESEG(se->type))
- holes[NODE] += sbi->blocks_per_seg - se->valid_blocks;
+ holes[NODE] += f2fs_usable_blks_in_seg(sbi, segno) -
+ se->valid_blocks;
else
- holes[DATA] += sbi->blocks_per_seg - se->valid_blocks;
+ holes[DATA] += f2fs_usable_blks_in_seg(sbi, segno) -
+ se->valid_blocks;
}
mutex_unlock(&dirty_i->seglist_lock);
offset = GET_BLKOFF_FROM_SEG0(sbi, blkaddr);
f2fs_bug_on(sbi, (new_vblocks < 0 ||
- (new_vblocks > sbi->blocks_per_seg)));
+ (new_vblocks > f2fs_usable_blks_in_seg(sbi, segno))));
se->valid_blocks = new_vblocks;
se->mtime = get_mtime(sbi, false);
static bool __has_curseg_space(struct f2fs_sb_info *sbi, int type)
{
struct curseg_info *curseg = CURSEG_I(sbi, type);
- if (curseg->next_blkoff < sbi->blocks_per_seg)
- return true;
- return false;
+
+ return curseg->next_blkoff < f2fs_usable_blks_in_seg(sbi,
+ curseg->segno);
}
int f2fs_rw_hint_to_seg_type(enum rw_hint hint)
{
unsigned int start;
int type;
+ struct seg_entry *sentry;
for (start = 0; start < MAIN_SEGS(sbi); start++) {
- struct seg_entry *sentry = get_seg_entry(sbi, start);
+ if (f2fs_usable_blks_in_seg(sbi, start) == 0)
+ continue;
+ sentry = get_seg_entry(sbi, start);
if (!sentry->valid_blocks)
__set_free(sbi, start);
else
struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
struct free_segmap_info *free_i = FREE_I(sbi);
unsigned int segno = 0, offset = 0, secno;
- unsigned short valid_blocks;
- unsigned short blks_per_sec = BLKS_PER_SEC(sbi);
+ block_t valid_blocks, usable_blks_in_seg;
+ block_t blks_per_sec = BLKS_PER_SEC(sbi);
while (1) {
/* find dirty segment based on free segmap */
break;
offset = segno + 1;
valid_blocks = get_valid_blocks(sbi, segno, false);
- if (valid_blocks == sbi->blocks_per_seg || !valid_blocks)
+ usable_blks_in_seg = f2fs_usable_blks_in_seg(sbi, segno);
+ if (valid_blocks == usable_blks_in_seg || !valid_blocks)
continue;
- if (valid_blocks > sbi->blocks_per_seg) {
+ if (valid_blocks > usable_blks_in_seg) {
f2fs_bug_on(sbi, 1);
continue;
}
return 0;
}
+
+static bool is_conv_zone(struct f2fs_sb_info *sbi, unsigned int zone_idx,
+ unsigned int dev_idx)
+{
+ if (!bdev_is_zoned(FDEV(dev_idx).bdev))
+ return true;
+ return !test_bit(zone_idx, FDEV(dev_idx).blkz_seq);
+}
+
+/* Return the zone index in the given device */
+static unsigned int get_zone_idx(struct f2fs_sb_info *sbi, unsigned int secno,
+ int dev_idx)
+{
+ block_t sec_start_blkaddr = START_BLOCK(sbi, GET_SEG_FROM_SEC(sbi, secno));
+
+ return (sec_start_blkaddr - FDEV(dev_idx).start_blk) >>
+ sbi->log_blocks_per_blkz;
+}
+
+/*
+ * Return the usable segments in a section based on the zone's
+ * corresponding zone capacity. Zone is equal to a section.
+ */
+static inline unsigned int f2fs_usable_zone_segs_in_sec(
+ struct f2fs_sb_info *sbi, unsigned int segno)
+{
+ unsigned int dev_idx, zone_idx, unusable_segs_in_sec;
+
+ dev_idx = f2fs_target_device_index(sbi, START_BLOCK(sbi, segno));
+ zone_idx = get_zone_idx(sbi, GET_SEC_FROM_SEG(sbi, segno), dev_idx);
+
+ /* Conventional zone's capacity is always equal to zone size */
+ if (is_conv_zone(sbi, zone_idx, dev_idx))
+ return sbi->segs_per_sec;
+
+ /*
+ * If the zone_capacity_blocks array is NULL, then zone capacity
+ * is equal to the zone size for all zones
+ */
+ if (!FDEV(dev_idx).zone_capacity_blocks)
+ return sbi->segs_per_sec;
+
+ /* Get the segment count beyond zone capacity block */
+ unusable_segs_in_sec = (sbi->blocks_per_blkz -
+ FDEV(dev_idx).zone_capacity_blocks[zone_idx]) >>
+ sbi->log_blocks_per_seg;
+ return sbi->segs_per_sec - unusable_segs_in_sec;
+}
+
+/*
+ * Return the number of usable blocks in a segment. The number of blocks
+ * returned is always equal to the number of blocks in a segment for
+ * segments fully contained within a sequential zone capacity or a
+ * conventional zone. For segments partially contained in a sequential
+ * zone capacity, the number of usable blocks up to the zone capacity
+ * is returned. 0 is returned in all other cases.
+ */
+static inline unsigned int f2fs_usable_zone_blks_in_seg(
+ struct f2fs_sb_info *sbi, unsigned int segno)
+{
+ block_t seg_start, sec_start_blkaddr, sec_cap_blkaddr;
+ unsigned int zone_idx, dev_idx, secno;
+
+ secno = GET_SEC_FROM_SEG(sbi, segno);
+ seg_start = START_BLOCK(sbi, segno);
+ dev_idx = f2fs_target_device_index(sbi, seg_start);
+ zone_idx = get_zone_idx(sbi, secno, dev_idx);
+
+ /*
+ * Conventional zone's capacity is always equal to zone size,
+ * so, blocks per segment is unchanged.
+ */
+ if (is_conv_zone(sbi, zone_idx, dev_idx))
+ return sbi->blocks_per_seg;
+
+ if (!FDEV(dev_idx).zone_capacity_blocks)
+ return sbi->blocks_per_seg;
+
+ sec_start_blkaddr = START_BLOCK(sbi, GET_SEG_FROM_SEC(sbi, secno));
+ sec_cap_blkaddr = sec_start_blkaddr +
+ FDEV(dev_idx).zone_capacity_blocks[zone_idx];
+
+ /*
+ * If segment starts before zone capacity and spans beyond
+ * zone capacity, then usable blocks are from seg start to
+ * zone capacity. If the segment starts after the zone capacity,
+ * then there are no usable blocks.
+ */
+ if (seg_start >= sec_cap_blkaddr)
+ return 0;
+ if (seg_start + sbi->blocks_per_seg > sec_cap_blkaddr)
+ return sec_cap_blkaddr - seg_start;
+
+ return sbi->blocks_per_seg;
+}
#else
int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi)
{
{
return 0;
}
+
+static inline unsigned int f2fs_usable_zone_blks_in_seg(struct f2fs_sb_info *sbi,
+ unsigned int segno)
+{
+ return 0;
+}
+
+static inline unsigned int f2fs_usable_zone_segs_in_sec(struct f2fs_sb_info *sbi,
+ unsigned int segno)
+{
+ return 0;
+}
#endif
+unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi,
+ unsigned int segno)
+{
+ if (f2fs_sb_has_blkzoned(sbi))
+ return f2fs_usable_zone_blks_in_seg(sbi, segno);
+
+ return sbi->blocks_per_seg;
+}
+
+unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
+ unsigned int segno)
+{
+ if (f2fs_sb_has_blkzoned(sbi))
+ return f2fs_usable_zone_segs_in_sec(sbi, segno);
+
+ return sbi->segs_per_sec;
+}
/*
* Update min, max modified time for cost-benefit GC algorithm
projects / mirror_ubuntu-jammy-kernel.git / blobdiff