quota: drop remount argument to ->quota_on and ->quota_off

Remount handling has fully moved into the filesystem, so all this is
superflous now.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>

8 files changed, 20 insertions, 38 deletions

diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index b2f3715988ba..e52006737b4b 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -750,7 +750,7 @@ static int ext3_release_dquot(struct dquot *dquot);
 static int ext3_mark_dquot_dirty(struct dquot *dquot);
 static int ext3_write_info(struct super_block *sb, int type);
 static int ext3_quota_on(struct super_block *sb, int type, int format_id,
-                                char *path, int remount);
+                                char *path);
 static int ext3_quota_on_mount(struct super_block *sb, int type);
 static ssize_t ext3_quota_read(struct super_block *sb, int type, char *data,
                                size_t len, loff_t off);
@@ -1529,7 +1529,7 @@ static void ext3_orphan_cleanup (struct super_block * sb,
         /* Turn quotas off */
         for (i = 0; i < MAXQUOTAS; i++) {
                 if (sb_dqopt(sb)->files[i])
-                        vfs_quota_off(sb, i, 0);
+                        vfs_quota_off(sb, i);
         }
 #endif
         sb->s_flags = s_flags; /* Restore MS_RDONLY status */
@@ -2870,16 +2870,13 @@ static int ext3_quota_on_mount(struct super_block *sb, int type)
  * Standard function to be called on quota_on
  */
 static int ext3_quota_on(struct super_block *sb, int type, int format_id,
-                         char *name, int remount)
+                         char *name)
 {
         int err;
         struct path path;
 
         if (!test_opt(sb, QUOTA))
                 return -EINVAL;
-        /* When remounting, no checks are needed and in fact, name is NULL */
-        if (remount)
-                return vfs_quota_on(sb, type, format_id, name, remount);
 
         err = kern_path(name, LOOKUP_FOLLOW, &path);
         if (err)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 808aca3a22f5..dfe9bf503f85 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1061,7 +1061,7 @@ static int ext4_release_dquot(struct dquot *dquot);
 static int ext4_mark_dquot_dirty(struct dquot *dquot);
 static int ext4_write_info(struct super_block *sb, int type);
 static int ext4_quota_on(struct super_block *sb, int type, int format_id,
-                                char *path, int remount);
+                                char *path);
 static int ext4_quota_on_mount(struct super_block *sb, int type);
 static ssize_t ext4_quota_read(struct super_block *sb, int type, char *data,
                                size_t len, loff_t off);
@@ -2053,7 +2053,7 @@ static void ext4_orphan_cleanup(struct super_block *sb,
         /* Turn quotas off */
         for (i = 0; i < MAXQUOTAS; i++) {
                 if (sb_dqopt(sb)->files[i])
-                        vfs_quota_off(sb, i, 0);
+                        vfs_quota_off(sb, i);
         }
 #endif
         sb->s_flags = s_flags; /* Restore MS_RDONLY status */
@@ -3924,16 +3924,13 @@ static int ext4_quota_on_mount(struct super_block *sb, int type)
  * Standard function to be called on quota_on
  */
 static int ext4_quota_on(struct super_block *sb, int type, int format_id,
-                         char *name, int remount)
+                         char *name)
 {
         int err;
         struct path path;
 
         if (!test_opt(sb, QUOTA))
                 return -EINVAL;
-        /* When remounting, no checks are needed and in fact, name is NULL */
-        if (remount)
-                return vfs_quota_on(sb, type, format_id, name, remount);
 
         err = kern_path(name, LOOKUP_FOLLOW, &path);
         if (err)
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 0773873d590a..5367d6dee395 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -964,7 +964,7 @@ static void ocfs2_disable_quotas(struct ocfs2_super *osb)
 
 /* Handle quota on quotactl */
 static int ocfs2_quota_on(struct super_block *sb, int type, int format_id,
-                          char *path, int remount)
+                          char *path)
 {
         unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
                                              OCFS2_FEATURE_RO_COMPAT_GRPQUOTA};
@@ -972,19 +972,13 @@ static int ocfs2_quota_on(struct super_block *sb, int type, int format_id,
         if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type]))
                 return -EINVAL;
 
-        if (remount)
-                return 0;       /* Just ignore it has been handled in
-                                 * ocfs2_remount() */
         return vfs_quota_enable(sb_dqopt(sb)->files[type], type,
                                     format_id, DQUOT_LIMITS_ENABLED);
 }
 
 /* Handle quota off quotactl */
-static int ocfs2_quota_off(struct super_block *sb, int type, int remount)
+static int ocfs2_quota_off(struct super_block *sb, int type)
 {
-        if (remount)
-                return 0;       /* Ignore now and handle later in
-                                 * ocfs2_remount() */
         return dquot_disable(sb, type, DQUOT_LIMITS_ENABLED);
 }
 
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index cf972283e474..b84422657f6d 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -1997,9 +1997,8 @@ put_inodes:
 }
 EXPORT_SYMBOL(dquot_disable);
 
-int vfs_quota_off(struct super_block *sb, int type, int remount)
+int vfs_quota_off(struct super_block *sb, int type)
 {
-        BUG_ON(remount);
         return dquot_disable(sb, type,
                              DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED);
 }
@@ -2175,14 +2174,11 @@ int vfs_quota_on_path(struct super_block *sb, int type, int format_id,
 }
 EXPORT_SYMBOL(vfs_quota_on_path);
 
-int vfs_quota_on(struct super_block *sb, int type, int format_id, char *name,
-                 int remount)
+int vfs_quota_on(struct super_block *sb, int type, int format_id, char *name)
 {
         struct path path;
         int error;
 
-        BUG_ON(remount);
-
         error = kern_path(name, LOOKUP_FOLLOW, &path);
         if (!error) {
                 error = vfs_quota_on_path(sb, type, format_id, &path);
diff --git a/fs/quota/quota.c b/fs/quota/quota.c
index ce3dfd066f59..b299961e1edb 100644
--- a/fs/quota/quota.c
+++ b/fs/quota/quota.c
@@ -73,7 +73,7 @@ static int quota_quotaon(struct super_block *sb, int type, int cmd, qid_t id,
         if (IS_ERR(pathname))
                 return PTR_ERR(pathname);
         if (sb->s_qcop->quota_on)
-                ret = sb->s_qcop->quota_on(sb, type, id, pathname, 0);
+                ret = sb->s_qcop->quota_on(sb, type, id, pathname);
         putname(pathname);
         return ret;
 }
@@ -260,7 +260,7 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id,
         case Q_QUOTAOFF:
                 if (!sb->s_qcop->quota_off)
                         return -ENOSYS;
-                return sb->s_qcop->quota_off(sb, type, 0);
+                return sb->s_qcop->quota_off(sb, type);
         case Q_GETFMT:
                 return quota_getfmt(sb, type, addr);
         case Q_GETINFO:
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 08879af0af0d..fa46abd0d958 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -305,7 +305,7 @@ 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, 0);
+                        vfs_quota_off(s, i);
         }
         if (ms_active_set)
                 /* Restore the flag back */
@@ -622,7 +622,7 @@ 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 *, int);
+static int reiserfs_quota_on(struct super_block *, int, int, char *);
 
 static const struct dquot_operations reiserfs_quota_operations = {
         .write_dquot = reiserfs_write_dquot,
@@ -2038,7 +2038,7 @@ 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 *name, int remount)
+                             char *name)
 {
         int err;
         struct path path;
@@ -2047,9 +2047,7 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
 
         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, name, 1);
+
         err = kern_path(name, LOOKUP_FOLLOW, &path);
         if (err)
                 return err;
diff --git a/include/linux/quota.h b/include/linux/quota.h
index 7126a15467f1..2789d07c37be 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -332,8 +332,8 @@ struct dquot_operations {
 
 /* Operations handling requests from userspace */
 struct quotactl_ops {
-        int (*quota_on)(struct super_block *, int, int, char *, int);
-        int (*quota_off)(struct super_block *, int, int);
+        int (*quota_on)(struct super_block *, int, int, char *);
+        int (*quota_off)(struct super_block *, int);
         int (*quota_sync)(struct super_block *, int, int);
         int (*get_info)(struct super_block *, int, struct if_dqinfo *);
         int (*set_info)(struct super_block *, int, struct if_dqinfo *);
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index cfa2abb1b6d1..a6592ddc349f 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -67,14 +67,14 @@ int dquot_mark_dquot_dirty(struct dquot *dquot);
 int dquot_file_open(struct inode *inode, struct file *file);
 
 int vfs_quota_on(struct super_block *sb, int type, int format_id,
-        char *path, int remount);
+        char *path);
 int vfs_quota_enable(struct inode *inode, int type, int format_id,
         unsigned int flags);
 int vfs_quota_on_path(struct super_block *sb, int type, int format_id,
         struct path *path);
 int vfs_quota_on_mount(struct super_block *sb, char *qf_name,
         int format_id, int type);
-int vfs_quota_off(struct super_block *sb, int type, int remount);
+int vfs_quota_off(struct super_block *sb, int type);
 int vfs_quota_sync(struct super_block *sb, int type, int wait);
 int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
 int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);