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-rw-r--r--fs/super.c40
1 files changed, 0 insertions, 40 deletions
diff --git a/fs/super.c b/fs/super.c
index b05cf47463d0..0902cfa6a12e 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -537,46 +537,6 @@ void drop_super(struct super_block *sb)
EXPORT_SYMBOL(drop_super);
/**
- * sync_supers - helper for periodic superblock writeback
- *
- * Call the write_super method if present on all dirty superblocks in
- * the system. This is for the periodic writeback used by most older
- * filesystems. For data integrity superblock writeback use
- * sync_filesystems() instead.
- *
- * Note: check the dirty flag before waiting, so we don't
- * hold up the sync while mounting a device. (The newly
- * mounted device won't need syncing.)
- */
-void sync_supers(void)
-{
- struct super_block *sb, *p = NULL;
-
- spin_lock(&sb_lock);
- list_for_each_entry(sb, &super_blocks, s_list) {
- if (hlist_unhashed(&sb->s_instances))
- continue;
- if (sb->s_op->write_super && sb->s_dirt) {
- sb->s_count++;
- spin_unlock(&sb_lock);
-
- down_read(&sb->s_umount);
- if (sb->s_root && sb->s_dirt && (sb->s_flags & MS_BORN))
- sb->s_op->write_super(sb);
- up_read(&sb->s_umount);
-
- spin_lock(&sb_lock);
- if (p)
- __put_super(p);
- p = sb;
- }
- }
- if (p)
- __put_super(p);
- spin_unlock(&sb_lock);
-}
-
-/**
* iterate_supers - call function for all active superblocks
* @f: function to call
* @arg: argument to pass to it