quota: Add quota reservation support

[deliverable/linux.git] / include / linux / quota.h

diff --git a/include/linux/quota.h b/include/linux/quota.h
index d72d5d84fde54a02d54e8b7dbd580638ab1f67ff..54b837fa64f2398752dd9cdef85cd3607ffda1d0 100644 (file)
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -198,6 +198,7 @@ struct mem_dqblk {
        qsize_t dqb_bhardlimit; /* absolute limit on disk blks alloc */
        qsize_t dqb_bsoftlimit; /* preferred limit on disk blks */
        qsize_t dqb_curspace;   /* current used space */
+       qsize_t dqb_rsvspace;   /* current reserved space for delalloc*/
        qsize_t dqb_ihardlimit; /* absolute limit on allocated inodes */
        qsize_t dqb_isoftlimit; /* preferred inode limit */
        qsize_t dqb_curinodes;  /* current # allocated inodes */
@@ -308,6 +309,8 @@ struct dquot_operations {
        int (*release_dquot) (struct dquot *);          /* Quota is going to be deleted from disk */
        int (*mark_dirty) (struct dquot *);             /* Dquot is marked dirty */
        int (*write_info) (struct super_block *, int);  /* Write of quota "superblock" */
+       /* reserve quota for delayed block allocation */
+       int (*reserve_space) (struct inode *, qsize_t, int);
 };
 
 /* Operations handling requests from userspace */