ocfs2: Fix estimate of credits needed for quota allocation

We were missing reservation of a journal credit for modification of quota
file inode when creating new dquot structure in the global quota file.

Acked-by: Joel Becker <Joel.Becker@oracle.com>
Signed-off-by: Jan Kara <jack@suse.cz>

1 files changed, 3 insertions, 2 deletions

diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c
index 1e3e0d5b3ae7..734995823740 100644
--- a/fs/ocfs2/quota_global.c
+++ b/fs/ocfs2/quota_global.c
@@ -468,9 +468,10 @@ static int ocfs2_global_qinit_alloc(struct super_block *sb, int type)
 
 static int ocfs2_calc_global_qinit_credits(struct super_block *sb, int type)
 {
-        /* We modify all the allocated blocks, tree root, and info block */
+        /* We modify all the allocated blocks, tree root, info block and
+         * the inode */
         return (ocfs2_global_qinit_alloc(sb, type) + 2) *
-                        OCFS2_QUOTA_BLOCK_UPDATE_CREDITS;
+                        OCFS2_QUOTA_BLOCK_UPDATE_CREDITS + 1;
 }
 
 /* Sync local information about quota modifications with global quota file.