remove s_async_list

Remove the unused s_async_list in the superblock, a leftover of the
broken async inode deletion code that leaked into mainline.  Having this
in the middle of the sync/unmount path is not helpful for the following
cleanups.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

2 files changed, 0 insertions, 13 deletions

diff --git a/fs/super.c b/fs/super.c
index c170551c23fe..3d9f117dd2a3 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -38,7 +38,6 @@
 #include <linux/kobject.h>
 #include <linux/mutex.h>
 #include <linux/file.h>
-#include <linux/async.h>
 #include <asm/uaccess.h>
 #include "internal.h"
 
@@ -72,7 +71,6 @@ static struct super_block *alloc_super(struct file_system_type *type)
                 INIT_HLIST_HEAD(&s->s_anon);
                 INIT_LIST_HEAD(&s->s_inodes);
                 INIT_LIST_HEAD(&s->s_dentry_lru);
-                INIT_LIST_HEAD(&s->s_async_list);
                 init_rwsem(&s->s_umount);
                 mutex_init(&s->s_lock);
                 lockdep_set_class(&s->s_umount, &type->s_umount_key);
@@ -342,11 +340,6 @@ void generic_shutdown_super(struct super_block *sb)
                 lock_super(sb);
                 sb->s_flags &= ~MS_ACTIVE;
 
-                /*
-                 * wait for asynchronous fs operations to finish before going further
-                 */
-                async_synchronize_full_domain(&sb->s_async_list);
-
                 /* bad name - it should be evict_inodes() */
                 invalidate_inodes(sb);
                 lock_kernel();
@@ -517,7 +510,6 @@ restart:
                 sb->s_count++;
                 spin_unlock(&sb_lock);
                 down_read(&sb->s_umount);
-                async_synchronize_full_domain(&sb->s_async_list);
                 if (sb->s_root && (wait || sb->s_dirt))
                         sb->s_op->sync_fs(sb, wait);
                 up_read(&sb->s_umount);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 03fb2102b8f3..36bcff7036ef 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1372,11 +1372,6 @@ struct super_block {
          * generic_show_options()
          */
         char *s_options;
-
-        /*
-         * storage for asynchronous operations
-         */
-        struct list_head s_async_list;
 };
 
 extern struct timespec current_fs_time(struct super_block *sb);