commit 7841cb2898f66a73062c64d0ef5733dde7279e46
author David Sterba <dsterba@suse.cz> Tue May 31 18:07:27 2011 +0200
committer Chris Mason <chris.mason@oracle.com> Sat Jun 04 08:11:22 2011 -0400
tree b7a94d96d44971845951a59e9fb7b5c2e30c46b3
parent 4b9465cb9e3859186eefa1ca3b990a5849386320

btrfs: add helper for fs_info->closing

wrap checking of filesystem 'closing' flag and fix a few missing memory
barriers.

Signed-off-by: David Sterba <dsterba@suse.cz>

fs/btrfs/inode.c

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index a83e44b..02ff4a1 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4266,8 +4266,7 @@
 	if (BTRFS_I(inode)->dummy_inode)
 		return 0;
 
-	smp_mb();
-	if (root->fs_info->closing && is_free_space_inode(root, inode))
+	if (btrfs_fs_closing(root->fs_info) && is_free_space_inode(root, inode))
 		nolock = true;
 
 	if (wbc->sync_mode == WB_SYNC_ALL) {