vfs: Add general support to enforce project quota limits
This patch adds support for a new quota type PRJQUOTA for project quota
enforcement. Also a new method get_projid() is added into dquot_operations
structure.
Signed-off-by: Li Xi <lixi@ddn.com>
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jan Kara <jack@suse.cz>
diff --git a/include/linux/quota.h b/include/linux/quota.h
index cf910d1..b2505ac 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -50,6 +50,7 @@
#undef USRQUOTA
#undef GRPQUOTA
+#undef PRJQUOTA
enum quota_type {
USRQUOTA = 0, /* element used for user quotas */
GRPQUOTA = 1, /* element used for group quotas */
@@ -319,6 +320,7 @@
/* get reserved quota for delayed alloc, value returned is managed by
* quota code only */
qsize_t *(*get_reserved_space) (struct inode *);
+ int (*get_projid) (struct inode *, kprojid_t *);/* Get project ID */
};
struct path;