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quota: Add support for ->get_nextdqblk() for VFS quota

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Add infrastructure for supporting get_nextdqblk() callback for VFS
quotas. Translate the operation into a callback to appropriate
filesystem and consequently to quota format callback.

Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Jan Kara
2016-01-25 19:24:50 +01:00
parent 484a10f493
commit be6257b251
5 changed files with 47 additions and 0 deletions
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3
include/linux/quotaops.h
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@@ -82,6 +82,7 @@ int dquot_commit(struct dquot *dquot);
int dquot_acquire(struct dquot *dquot);
int dquot_release(struct dquot *dquot);
int dquot_commit_info(struct super_block *sb, int type);
int dquot_get_next_id(struct super_block *sb, struct kqid *qid);
int dquot_mark_dquot_dirty(struct dquot *dquot);
int dquot_file_open(struct inode *inode, struct file *file);
@@ -99,6 +100,8 @@ int dquot_get_state(struct super_block *sb, struct qc_state *state);
int dquot_set_dqinfo(struct super_block *sb, int type, struct qc_info *ii);
int dquot_get_dqblk(struct super_block *sb, struct kqid id,
struct qc_dqblk *di);
int dquot_get_next_dqblk(struct super_block *sb, struct kqid *id,
struct qc_dqblk *di);
int dquot_set_dqblk(struct super_block *sb, struct kqid id,
struct qc_dqblk *di);