NFS: Clean up nfs_sb_active/nfs_sb_deactive

Instead of causing umount requests to block on server->active_wq while the
asynchronous sillyrename deletes are executing, we can use the sb->s_active
counter to obtain a reference to the super_block, and then release that
reference in nfs_async_unlink_release().

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index c9beacd16c00..4e477ae58699 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -119,7 +119,6 @@ struct nfs_server {
         void (*destroy)(struct nfs_server *);
 
         atomic_t active; /* Keep trace of any activity to this server */
-        wait_queue_head_t active_wq;  /* Wait for any activity to stop  */
 
         /* mountd-related mount options */
         struct sockaddr_storage mountd_address;