diff options
Diffstat (limited to 'include/linux/quotaops.h')
| -rw-r--r-- | include/linux/quotaops.h | 52 |
1 files changed, 29 insertions, 23 deletions
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h index dda22f45fc1b..c334f82ed385 100644 --- a/include/linux/quotaops.h +++ b/include/linux/quotaops.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Definitions for diskquota-operations. When diskquota is configured these * macros expand to the right source-code. @@ -18,12 +19,13 @@ static inline struct quota_info *sb_dqopt(struct super_block *sb) return &sb->s_dquot; } -/* i_mutex must being held */ -static inline bool is_quota_modification(struct inode *inode, struct iattr *ia) +/* i_rwsem must being held */ +static inline bool is_quota_modification(struct mnt_idmap *idmap, + struct inode *inode, struct iattr *ia) { - return (ia->ia_valid & ATTR_SIZE && ia->ia_size != inode->i_size) || - (ia->ia_valid & ATTR_UID && !uid_eq(ia->ia_uid, inode->i_uid)) || - (ia->ia_valid & ATTR_GID && !gid_eq(ia->ia_gid, inode->i_gid)); + return ((ia->ia_valid & ATTR_SIZE) || + i_uid_needs_update(idmap, ia, inode) || + i_gid_needs_update(idmap, ia, inode)); } #if defined(CONFIG_QUOTA) @@ -38,11 +40,6 @@ void __quota_error(struct super_block *sb, const char *func, /* * declaration of quota_function calls in kernel. */ -void inode_add_rsv_space(struct inode *inode, qsize_t number); -void inode_claim_rsv_space(struct inode *inode, qsize_t number); -void inode_sub_rsv_space(struct inode *inode, qsize_t number); -void inode_reclaim_rsv_space(struct inode *inode, qsize_t number); - int dquot_initialize(struct inode *inode); bool dquot_initialize_needed(struct inode *inode); void dquot_drop(struct inode *inode); @@ -55,6 +52,16 @@ static inline struct dquot *dqgrab(struct dquot *dquot) atomic_inc(&dquot->dq_count); return dquot; } + +static inline bool dquot_is_busy(struct dquot *dquot) +{ + if (test_bit(DQ_MOD_B, &dquot->dq_flags)) + return true; + if (atomic_read(&dquot->dq_count) > 0) + return true; + return false; +} + void dqput(struct dquot *dquot); int dquot_scan_active(struct super_block *sb, int (*fn)(struct dquot *dquot, unsigned long priv), @@ -67,7 +74,7 @@ void __dquot_free_space(struct inode *inode, qsize_t number, int flags); int dquot_alloc_inode(struct inode *inode); -int dquot_claim_space_nodirty(struct inode *inode, qsize_t number); +void dquot_claim_space_nodirty(struct inode *inode, qsize_t number); void dquot_free_inode(struct inode *inode); void dquot_reclaim_space_nodirty(struct inode *inode, qsize_t number); @@ -88,7 +95,9 @@ int dquot_mark_dquot_dirty(struct dquot *dquot); int dquot_file_open(struct inode *inode, struct file *file); -int dquot_enable(struct inode *inode, int type, int format_id, +int dquot_load_quota_sb(struct super_block *sb, int type, int format_id, + unsigned int flags); +int dquot_load_quota_inode(struct inode *inode, int type, int format_id, unsigned int flags); int dquot_quota_on(struct super_block *sb, int type, int format_id, const struct path *path); @@ -107,7 +116,8 @@ int dquot_set_dqblk(struct super_block *sb, struct kqid id, struct qc_dqblk *di); int __dquot_transfer(struct inode *inode, struct dquot **transfer_to); -int dquot_transfer(struct inode *inode, struct iattr *iattr); +int dquot_transfer(struct mnt_idmap *idmap, struct inode *inode, + struct iattr *iattr); static inline struct mem_dqinfo *sb_dqinfo(struct super_block *sb, int type) { @@ -226,7 +236,8 @@ static inline void dquot_free_inode(struct inode *inode) { } -static inline int dquot_transfer(struct inode *inode, struct iattr *iattr) +static inline int dquot_transfer(struct mnt_idmap *idmap, + struct inode *inode, struct iattr *iattr) { return 0; } @@ -246,10 +257,9 @@ static inline void __dquot_free_space(struct inode *inode, qsize_t number, inode_sub_bytes(inode, number); } -static inline int dquot_claim_space_nodirty(struct inode *inode, qsize_t number) +static inline void dquot_claim_space_nodirty(struct inode *inode, qsize_t number) { inode_add_bytes(inode, number); - return 0; } static inline int dquot_reclaim_space_nodirty(struct inode *inode, @@ -347,14 +357,10 @@ static inline int dquot_reserve_block(struct inode *inode, qsize_t nr) DQUOT_SPACE_WARN|DQUOT_SPACE_RESERVE); } -static inline int dquot_claim_block(struct inode *inode, qsize_t nr) +static inline void dquot_claim_block(struct inode *inode, qsize_t nr) { - int ret; - - ret = dquot_claim_space_nodirty(inode, nr << inode->i_blkbits); - if (!ret) - mark_inode_dirty_sync(inode); - return ret; + dquot_claim_space_nodirty(inode, nr << inode->i_blkbits); + mark_inode_dirty_sync(inode); } static inline void dquot_reclaim_block(struct inode *inode, qsize_t nr) |