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authorJan Kara <jack@suse.cz>2008-08-19 16:51:22 +0400
committerMark Fasheh <mfasheh@suse.com>2009-01-05 19:36:55 +0300
commit74f783af95c982aef6d3a1415275650dcf511666 (patch)
tree594e978641d31e05e170a56ec68f8c65b37bb649 /include/linux/quota.h
parent9f868f16e40e9ad8e39aebff94a4be0d96520734 (diff)
downloadlinux-74f783af95c982aef6d3a1415275650dcf511666.tar.xz
quota: Add callbacks for allocating and destroying dquot structures
Some filesystems would like to keep private information together with each dquot. Add callbacks alloc_dquot and destroy_dquot allowing filesystem to allocate larger dquots from their private slab in a similar fashion we currently allocate inodes. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Diffstat (limited to 'include/linux/quota.h')
-rw-r--r--include/linux/quota.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/quota.h b/include/linux/quota.h
index 40401b554484..3ce708c2cb3c 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -292,6 +292,8 @@ struct dquot_operations {
int (*free_inode) (const struct inode *, unsigned long);
int (*transfer) (struct inode *, struct iattr *);
int (*write_dquot) (struct dquot *); /* Ordinary dquot write */
+ struct dquot *(*alloc_dquot)(struct super_block *, int); /* Allocate memory for new dquot */
+ void (*destroy_dquot)(struct dquot *); /* Free memory for dquot */
int (*acquire_dquot) (struct dquot *); /* Quota is going to be created on disk */
int (*release_dquot) (struct dquot *); /* Quota is going to be deleted from disk */
int (*mark_dirty) (struct dquot *); /* Dquot is marked dirty */