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>

diff --git a/fs/super.c b/fs/super.c
index c170551..3d9f117 100644 (file)
--- 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 03fb210..36bcff7 100644 (file)
--- 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);