void inode_sub_rsv_space(struct inode *inode, qsize_t number);
int dquot_initialize(struct inode *inode, int type);
-int dquot_drop(struct inode *inode);
+void dquot_drop(struct inode *inode);
struct dquot *dqget(struct super_block *sb, unsigned int id, int type);
void dqput(struct dquot *dquot);
int dquot_scan_active(struct super_block *sb,
struct dquot *dquot_alloc(struct super_block *sb, int type);
void dquot_destroy(struct dquot *dquot);
-int dquot_alloc_space(struct inode *inode, qsize_t number, int prealloc);
-int dquot_alloc_inode(const struct inode *inode, qsize_t number);
+int __dquot_alloc_space(struct inode *inode, qsize_t number,
+ int warn, int reserve);
+void __dquot_free_space(struct inode *inode, qsize_t number, int reserve);
-int dquot_reserve_space(struct inode *inode, qsize_t number, int prealloc);
-int dquot_claim_space(struct inode *inode, qsize_t number);
-void dquot_release_reserved_space(struct inode *inode, qsize_t number);
+int dquot_alloc_inode(const struct inode *inode);
-int dquot_free_space(struct inode *inode, qsize_t number);
-int dquot_free_inode(const struct inode *inode, qsize_t number);
+int dquot_claim_space_nodirty(struct inode *inode, qsize_t number);
+void dquot_free_inode(const struct inode *inode);
-int dquot_transfer(struct inode *inode, struct iattr *iattr);
int dquot_commit(struct dquot *dquot);
int dquot_acquire(struct dquot *dquot);
int dquot_release(struct dquot *dquot);
int vfs_get_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *di);
int vfs_set_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *di);
-void vfs_dq_drop(struct inode *inode);
-int vfs_dq_transfer(struct inode *inode, struct iattr *iattr);
+int dquot_transfer(struct inode *inode, struct iattr *iattr);
int vfs_dq_quota_on_remount(struct super_block *sb);
static inline struct mem_dqinfo *sb_dqinfo(struct super_block *sb, int type)
inode->i_sb->dq_op->initialize(inode, -1);
}
-/* The following allocation/freeing/transfer functions *must* be called inside
- * a transaction (deadlocks possible otherwise) */
-static inline int vfs_dq_prealloc_space_nodirty(struct inode *inode, qsize_t nr)
-{
- if (sb_any_quota_active(inode->i_sb)) {
- /* Used space is updated in alloc_space() */
- if (inode->i_sb->dq_op->alloc_space(inode, nr, 1) == NO_QUOTA)
- return 1;
- }
- else
- inode_add_bytes(inode, nr);
- return 0;
-}
-
-static inline int vfs_dq_prealloc_space(struct inode *inode, qsize_t nr)
-{
- int ret;
- if (!(ret = vfs_dq_prealloc_space_nodirty(inode, nr)))
- mark_inode_dirty(inode);
- return ret;
-}
-
-static inline int vfs_dq_alloc_space_nodirty(struct inode *inode, qsize_t nr)
-{
- if (sb_any_quota_active(inode->i_sb)) {
- /* Used space is updated in alloc_space() */
- if (inode->i_sb->dq_op->alloc_space(inode, nr, 0) == NO_QUOTA)
- return 1;
- }
- else
- inode_add_bytes(inode, nr);
- return 0;
-}
-
-static inline int vfs_dq_alloc_space(struct inode *inode, qsize_t nr)
-{
- int ret;
- if (!(ret = vfs_dq_alloc_space_nodirty(inode, nr)))
- mark_inode_dirty(inode);
- return ret;
-}
-
-static inline int vfs_dq_reserve_space(struct inode *inode, qsize_t nr)
-{
- if (sb_any_quota_active(inode->i_sb)) {
- /* Used space is updated in alloc_space() */
- if (inode->i_sb->dq_op->reserve_space(inode, nr, 0) == NO_QUOTA)
- return 1;
- }
- else
- inode_add_rsv_space(inode, nr);
- return 0;
-}
-
-static inline int vfs_dq_alloc_inode(struct inode *inode)
-{
- if (sb_any_quota_active(inode->i_sb)) {
- vfs_dq_init(inode);
- if (inode->i_sb->dq_op->alloc_inode(inode, 1) == NO_QUOTA)
- return 1;
- }
- return 0;
-}
-
-/*
- * Convert in-memory reserved quotas to real consumed quotas
- */
-static inline int vfs_dq_claim_space(struct inode *inode, qsize_t nr)
-{
- if (sb_any_quota_active(inode->i_sb)) {
- if (inode->i_sb->dq_op->claim_space(inode, nr) == NO_QUOTA)
- return 1;
- } else
- inode_claim_rsv_space(inode, nr);
-
- mark_inode_dirty(inode);
- return 0;
-}
-
-/*
- * Release reserved (in-memory) quotas
- */
-static inline
-void vfs_dq_release_reservation_space(struct inode *inode, qsize_t nr)
-{
- if (sb_any_quota_active(inode->i_sb))
- inode->i_sb->dq_op->release_rsv(inode, nr);
- else
- inode_sub_rsv_space(inode, nr);
-}
-
-static inline void vfs_dq_free_space_nodirty(struct inode *inode, qsize_t nr)
-{
- if (sb_any_quota_active(inode->i_sb))
- inode->i_sb->dq_op->free_space(inode, nr);
- else
- inode_sub_bytes(inode, nr);
-}
-
-static inline void vfs_dq_free_space(struct inode *inode, qsize_t nr)
-{
- vfs_dq_free_space_nodirty(inode, nr);
- mark_inode_dirty(inode);
-}
-
-static inline void vfs_dq_free_inode(struct inode *inode)
-{
- if (sb_any_quota_active(inode->i_sb))
- inode->i_sb->dq_op->free_inode(inode, 1);
-}
-
/* Cannot be called inside a transaction */
static inline int vfs_dq_off(struct super_block *sb, int remount)
{
{
}
-static inline void vfs_dq_drop(struct inode *inode)
+static inline void dquot_drop(struct inode *inode)
{
}
-static inline int vfs_dq_alloc_inode(struct inode *inode)
+static inline int dquot_alloc_inode(const struct inode *inode)
{
return 0;
}
-static inline void vfs_dq_free_inode(struct inode *inode)
+static inline void dquot_free_inode(const struct inode *inode)
{
}
return 0;
}
-static inline int vfs_dq_transfer(struct inode *inode, struct iattr *iattr)
+static inline int dquot_transfer(struct inode *inode, struct iattr *iattr)
{
return 0;
}
-static inline int vfs_dq_prealloc_space_nodirty(struct inode *inode, qsize_t nr)
+static inline int __dquot_alloc_space(struct inode *inode, qsize_t number,
+ int warn, int reserve)
{
- inode_add_bytes(inode, nr);
+ if (!reserve)
+ inode_add_bytes(inode, number);
return 0;
}
-static inline int vfs_dq_prealloc_space(struct inode *inode, qsize_t nr)
+static inline void __dquot_free_space(struct inode *inode, qsize_t number,
+ int reserve)
{
- vfs_dq_prealloc_space_nodirty(inode, nr);
- mark_inode_dirty(inode);
- return 0;
+ if (!reserve)
+ inode_sub_bytes(inode, number);
}
-static inline int vfs_dq_alloc_space_nodirty(struct inode *inode, qsize_t nr)
+static inline int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
{
- inode_add_bytes(inode, nr);
+ inode_add_bytes(inode, number);
return 0;
}
-static inline int vfs_dq_alloc_space(struct inode *inode, qsize_t nr)
+#endif /* CONFIG_QUOTA */
+
+static inline int dquot_alloc_space_nodirty(struct inode *inode, qsize_t nr)
{
- vfs_dq_alloc_space_nodirty(inode, nr);
- mark_inode_dirty(inode);
- return 0;
+ return __dquot_alloc_space(inode, nr, 1, 0);
}
-static inline int vfs_dq_reserve_space(struct inode *inode, qsize_t nr)
+static inline int dquot_alloc_space(struct inode *inode, qsize_t nr)
{
- return 0;
+ int ret;
+
+ ret = dquot_alloc_space_nodirty(inode, nr);
+ if (!ret)
+ mark_inode_dirty(inode);
+ return ret;
}
-static inline int vfs_dq_claim_space(struct inode *inode, qsize_t nr)
+static inline int dquot_alloc_block_nodirty(struct inode *inode, qsize_t nr)
{
- return vfs_dq_alloc_space(inode, nr);
+ return dquot_alloc_space_nodirty(inode, nr << inode->i_blkbits);
}
-static inline
-int vfs_dq_release_reservation_space(struct inode *inode, qsize_t nr)
+static inline int dquot_alloc_block(struct inode *inode, qsize_t nr)
{
- return 0;
+ return dquot_alloc_space(inode, nr << inode->i_blkbits);
}
-static inline void vfs_dq_free_space_nodirty(struct inode *inode, qsize_t nr)
+static inline int dquot_prealloc_block_nodirty(struct inode *inode, qsize_t nr)
{
- inode_sub_bytes(inode, nr);
+ return __dquot_alloc_space(inode, nr << inode->i_blkbits, 0, 0);
}
-static inline void vfs_dq_free_space(struct inode *inode, qsize_t nr)
+static inline int dquot_prealloc_block(struct inode *inode, qsize_t nr)
{
- vfs_dq_free_space_nodirty(inode, nr);
- mark_inode_dirty(inode);
-}
-
-#endif /* CONFIG_QUOTA */
+ int ret;
-static inline int vfs_dq_prealloc_block_nodirty(struct inode *inode, qsize_t nr)
-{
- return vfs_dq_prealloc_space_nodirty(inode, nr << inode->i_blkbits);
+ ret = dquot_prealloc_block_nodirty(inode, nr);
+ if (!ret)
+ mark_inode_dirty(inode);
+ return ret;
}
-static inline int vfs_dq_prealloc_block(struct inode *inode, qsize_t nr)
+static inline int dquot_reserve_block(struct inode *inode, qsize_t nr)
{
- return vfs_dq_prealloc_space(inode, nr << inode->i_blkbits);
+ return __dquot_alloc_space(inode, nr << inode->i_blkbits, 1, 1);
}
-static inline int vfs_dq_alloc_block_nodirty(struct inode *inode, qsize_t nr)
+static inline int dquot_claim_block(struct inode *inode, qsize_t nr)
{
- return vfs_dq_alloc_space_nodirty(inode, nr << inode->i_blkbits);
-}
+ int ret;
-static inline int vfs_dq_alloc_block(struct inode *inode, qsize_t nr)
-{
- return vfs_dq_alloc_space(inode, nr << inode->i_blkbits);
+ ret = dquot_claim_space_nodirty(inode, nr << inode->i_blkbits);
+ if (!ret)
+ mark_inode_dirty(inode);
+ return ret;
}
-static inline int vfs_dq_reserve_block(struct inode *inode, qsize_t nr)
+static inline void dquot_free_space_nodirty(struct inode *inode, qsize_t nr)
{
- return vfs_dq_reserve_space(inode, nr << inode->i_blkbits);
+ __dquot_free_space(inode, nr, 0);
}
-static inline int vfs_dq_claim_block(struct inode *inode, qsize_t nr)
+static inline void dquot_free_space(struct inode *inode, qsize_t nr)
{
- return vfs_dq_claim_space(inode, nr << inode->i_blkbits);
+ dquot_free_space_nodirty(inode, nr);
+ mark_inode_dirty(inode);
}
-static inline
-void vfs_dq_release_reservation_block(struct inode *inode, qsize_t nr)
+static inline void dquot_free_block_nodirty(struct inode *inode, qsize_t nr)
{
- vfs_dq_release_reservation_space(inode, nr << inode->i_blkbits);
+ dquot_free_space_nodirty(inode, nr << inode->i_blkbits);
}
-static inline void vfs_dq_free_block_nodirty(struct inode *inode, qsize_t nr)
+static inline void dquot_free_block(struct inode *inode, qsize_t nr)
{
- vfs_dq_free_space_nodirty(inode, nr << inode->i_blkbits);
+ dquot_free_space(inode, nr << inode->i_blkbits);
}
-static inline void vfs_dq_free_block(struct inode *inode, qsize_t nr)
+static inline void dquot_release_reservation_block(struct inode *inode,
+ qsize_t nr)
{
- vfs_dq_free_space(inode, nr << inode->i_blkbits);
+ __dquot_free_space(inode, nr << inode->i_blkbits, 1);
}
#endif /* _LINUX_QUOTAOPS_ */
projects / mirror_ubuntu-bionic-kernel.git / blobdiff