From 4958aa6821c7c4e9682806bc4fea92250d020829 Mon Sep 17 00:00:00 2001 From: David Sterba Date: Thu, 22 Jun 2017 03:59:40 +0200 Subject: [PATCH] btrfs: drop chunk locks at the end of close_ctree The pinned chunks might be left over so we clean them but at this point of close_ctree, there's noone to race with, the locking can be removed. Signed-off-by: David Sterba --- fs/btrfs/disk-io.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 57a857142cda..c2d3699a70bd 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -3944,7 +3944,6 @@ void close_ctree(struct btrfs_fs_info *fs_info) __btrfs_free_block_rsv(root->orphan_block_rsv); root->orphan_block_rsv = NULL; - mutex_lock(&fs_info->chunk_mutex); while (!list_empty(&fs_info->pinned_chunks)) { struct extent_map *em; @@ -3953,7 +3952,6 @@ void close_ctree(struct btrfs_fs_info *fs_info) list_del_init(&em->list); free_extent_map(em); } - mutex_unlock(&fs_info->chunk_mutex); } int btrfs_buffer_uptodate(struct extent_buffer *buf, u64 parent_transid, -- 2.20.1