quota: reiserfs: make reiserfs handle quotaon on remount

Update reiserfs to handle quotaon on remount RW.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 8 insertions, 5 deletions

diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 3e1972d31e44..f8f9a473e670 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -304,7 +304,7 @@ static int finish_unfinished(struct super_block *s)
         /* Turn quotas off */
         for (i = 0; i < MAXQUOTAS; i++) {
                 if (sb_dqopt(s)->files[i])
-                        vfs_quota_off(s, i);
+                        vfs_quota_off(s, i, 0);
         }
         if (ms_active_set)
                 /* Restore the flag back */
@@ -634,7 +634,7 @@ static int reiserfs_acquire_dquot(struct dquot *);
 static int reiserfs_release_dquot(struct dquot *);
 static int reiserfs_mark_dquot_dirty(struct dquot *);
 static int reiserfs_write_info(struct super_block *, int);
-static int reiserfs_quota_on(struct super_block *, int, int, char *);
+static int reiserfs_quota_on(struct super_block *, int, int, char *, int);
 
 static struct dquot_operations reiserfs_quota_operations = {
         .initialize = reiserfs_dquot_initialize,
@@ -2015,13 +2015,16 @@ static int reiserfs_quota_on_mount(struct super_block *sb, int type)
  * Standard function to be called on quota_on
  */
 static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
-                             char *path)
+                             char *path, int remount)
 {
         int err;
         struct nameidata nd;
 
         if (!(REISERFS_SB(sb)->s_mount_opt & (1 << REISERFS_QUOTA)))
                 return -EINVAL;
+        /* No more checks needed? Path and format_id are bogus anyway... */
+        if (remount)
+                return vfs_quota_on(sb, type, format_id, path, 1);
         err = path_lookup(path, LOOKUP_FOLLOW, &nd);
         if (err)
                 return err;
@@ -2041,7 +2044,7 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
         if (!REISERFS_SB(sb)->s_qf_names[USRQUOTA] &&
             !REISERFS_SB(sb)->s_qf_names[GRPQUOTA]) {
                 path_put(&nd.path);
-                return vfs_quota_on(sb, type, format_id, path);
+                return vfs_quota_on(sb, type, format_id, path, 0);
         }
         /* Quotafile not of fs root? */
         if (nd.path.dentry->d_parent->d_inode != sb->s_root->d_inode)
@@ -2049,7 +2052,7 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
                                  "reiserfs: Quota file not on filesystem root. "
                                  "Journalled quota will not work.");
         path_put(&nd.path);
-        return vfs_quota_on(sb, type, format_id, path);
+        return vfs_quota_on(sb, type, format_id, path, 0);
 }
 
 /* Read data from quotafile - avoid pagecache and such because we cannot afford