From 92ac58ec99db0a9ad7337ce85f0ad98a90b88805 Mon Sep 17 00:00:00 2001 From: Nikolay Borisov Date: Thu, 17 Aug 2017 10:52:28 +0300 Subject: [PATCH] btrfs: Remove never-reached WARN_ON We have a WARN_ON(!var) inside an if branch which is executed (among others) only when var is true. Signed-off-by: Nikolay Borisov Reviewed-by: David Sterba Signed-off-by: David Sterba --- fs/btrfs/extent-tree.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index c74d24c1bbc9..eff674bfd162 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -6745,7 +6745,7 @@ static int unpin_extent_range(struct btrfs_fs_info *fs_info, if (!readonly && return_free_space && global_rsv->space_info == space_info) { u64 to_add = len; - WARN_ON(!return_free_space); + spin_lock(&global_rsv->lock); if (!global_rsv->full) { to_add = min(len, global_rsv->size - -- 2.20.1