From d5f2e33b92b10b8007be50b570a27e9bacfb4c3a Mon Sep 17 00:00:00 2001 From: Zhao Lei Date: Thu, 8 Oct 2015 18:46:44 +0800 Subject: [PATCH] btrfs: Use fs_info directly in btrfs_delete_unused_bgs No need to use root->fs_info in btrfs_delete_unused_bgs(), use fs_info directly instead. Signed-off-by: Zhao Lei Signed-off-by: Chris Mason --- fs/btrfs/extent-tree.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index b77ffbc..acf3ed1 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -10289,7 +10289,7 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info) } spin_unlock(&fs_info->unused_bgs_lock); - mutex_lock(&root->fs_info->delete_unused_bgs_mutex); + mutex_lock(&fs_info->delete_unused_bgs_mutex); /* Don't want to race with allocators so take the groups_sem */ down_write(&space_info->groups_sem); @@ -10413,7 +10413,7 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info) end_trans: btrfs_end_transaction(trans, root); next: - mutex_unlock(&root->fs_info->delete_unused_bgs_mutex); + mutex_unlock(&fs_info->delete_unused_bgs_mutex); btrfs_put_block_group(block_group); spin_lock(&fs_info->unused_bgs_lock); } -- 2.7.4