From c73e293678fc3ec8ee9e5e275ee77dec98c4f2f1 Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Thu, 16 May 2013 11:14:33 -0400 Subject: [PATCH] Btrfs: do delay iput in sync_fs We get lock inversion with umount if we allow iputs from sync_fs, so use the delay iput flag to keep this from happening. Thanks, Reported-by: David Sterba Signed-off-by: Josef Bacik --- fs/btrfs/super.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 41d81bee583d..14d2be03f95a 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -862,7 +862,7 @@ int btrfs_sync_fs(struct super_block *sb, int wait) return 0; } - btrfs_wait_all_ordered_extents(fs_info, 0); + btrfs_wait_all_ordered_extents(fs_info, 1); trans = btrfs_attach_transaction_barrier(root); if (IS_ERR(trans)) { -- 2.39.2