1 files changed, 12 insertions, 5 deletions

diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index a4c9770a6012..ed424d708e69 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -2025,6 +2025,7 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
 {
         int err;
         struct nameidata nd;
+        struct inode *inode;
 
         if (!(REISERFS_SB(sb)->s_mount_opt & (1 << REISERFS_QUOTA)))
                 return -EINVAL;
@@ -2039,12 +2040,18 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
                 path_put(&nd.path);
                 return -EXDEV;
         }
+        inode = nd.path.dentry->d_inode;
         /* We must not pack tails for quota files on reiserfs for quota IO to work */
-        if (!(REISERFS_I(nd.path.dentry->d_inode)->i_flags & i_nopack_mask)) {
-                reiserfs_warning(sb,
-                                 "reiserfs: Quota file must have tail packing disabled.");
-                path_put(&nd.path);
-                return -EINVAL;
+        if (!(REISERFS_I(inode)->i_flags & i_nopack_mask)) {
+                err = reiserfs_unpack(inode, NULL);
+                if (err) {
+                        reiserfs_warning(sb,
+                                "reiserfs: Unpacking tail of quota file failed"
+                                " (%d). Cannot turn on quotas.", err);
+                        path_put(&nd.path);
+                        return -EINVAL;
+                }
+                mark_inode_dirty(inode);
         }
         /* Not journalling quota? No more tests needed... */
         if (!REISERFS_SB(sb)->s_qf_names[USRQUOTA] &&