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authorDavid Sterba <dsterba@suse.com>2017-06-22 04:59:40 +0300
committerDavid Sterba <dsterba@suse.com>2017-08-16 17:12:04 +0300
commit4958aa6821c7c4e9682806bc4fea92250d020829 (patch)
treec4adcab287d6ec31cd1dd5b4949f4ce67121b0ac /fs/btrfs/disk-io.c
parentd3c0bab5632337f6d3841fbe0dc238a743cb4472 (diff)
downloadlinux-4958aa6821c7c4e9682806bc4fea92250d020829.tar.xz
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 <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/disk-io.c')
-rw-r--r--fs/btrfs/disk-io.c2
1 files changed, 0 insertions, 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,