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quota: unify ->get_dqblk

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Pass the larger struct fs_disk_quota to the ->get_dqblk operation so
that the Q_GETQUOTA and Q_XGETQUOTA operations can be implemented
with a single filesystem operation and we can retire the ->get_xquota
operation.  The additional information (RT-subvolume accounting and
warn counts) are left zero for the VFS quota implementation.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Christoph Hellwig
2010-05-06 17:04:58 -04:00
committed by Jan Kara
parent 0636c73ee7
commit b9b2dd36c1
6 changed files with 42 additions and 24 deletions
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3
include/linux/quota.h
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@@ -337,11 +337,10 @@ struct quotactl_ops {
int (*quota_sync)(struct super_block *, int, int);
int (*get_info)(struct super_block *, int, struct if_dqinfo *);
int (*set_info)(struct super_block *, int, struct if_dqinfo *);
int (*get_dqblk)(struct super_block *, int, qid_t, struct if_dqblk *);
int (*get_dqblk)(struct super_block *, int, qid_t, struct fs_disk_quota *);
int (*set_dqblk)(struct super_block *, int, qid_t, struct if_dqblk *);
int (*get_xstate)(struct super_block *, struct fs_quota_stat *);
int (*set_xstate)(struct super_block *, unsigned int, int);
int (*get_xquota)(struct super_block *, int, qid_t, struct fs_disk_quota *);
int (*set_xquota)(struct super_block *, int, qid_t, struct fs_disk_quota *);
};

3
include/linux/quotaops.h
View File

@@ -63,7 +63,8 @@ int vfs_quota_disable(struct super_block *sb, int type, unsigned int flags);
int vfs_quota_sync(struct super_block *sb, int type, int wait);
int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
int vfs_get_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *di);
int vfs_get_dqblk(struct super_block *sb, int type, qid_t id,
struct fs_disk_quota *di);
int vfs_set_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *di);
int dquot_transfer(struct inode *inode, struct iattr *iattr);