From: Qu Wenruo <quwenruo.btrfs@gmx.com>
To: Nikolay Borisov <nborisov@suse.com>, linux-btrfs@vger.kernel.org
Subject: Re: [PATCH 3/5] btrfs: Remove superfluous check form btrfs_remove_chunk
Date: Fri, 26 Oct 2018 20:40:53 +0800 [thread overview]
Message-ID: <6cd57401-4177-5c6a-0f27-bad3856438c0@gmx.com> (raw)
In-Reply-To: <1540554201-11305-4-git-send-email-nborisov@suse.com>
On 2018/10/26 下午7:43, Nikolay Borisov wrote:
> It's unnecessary to check map->stripes[i].dev for NULL given its value
> is already set and dereferenced above the the check. No functional changes.
>
> Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Thanks,
Qu
> ---
> fs/btrfs/volumes.c | 12 +++++-------
> 1 file changed, 5 insertions(+), 7 deletions(-)
>
> diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
> index dc53d94a62aa..f0db43d08456 100644
> --- a/fs/btrfs/volumes.c
> +++ b/fs/btrfs/volumes.c
> @@ -2797,13 +2797,11 @@ int btrfs_remove_chunk(struct btrfs_trans_handle *trans, u64 chunk_offset)
> mutex_unlock(&fs_info->chunk_mutex);
> }
>
> - if (map->stripes[i].dev) {
> - ret = btrfs_update_device(trans, map->stripes[i].dev);
> - if (ret) {
> - mutex_unlock(&fs_devices->device_list_mutex);
> - btrfs_abort_transaction(trans, ret);
> - goto out;
> - }
> + ret = btrfs_update_device(trans, device);
> + if (ret) {
> + mutex_unlock(&fs_devices->device_list_mutex);
> + btrfs_abort_transaction(trans, ret);
> + goto out;
> }
> }
> mutex_unlock(&fs_devices->device_list_mutex);
>
next prev parent reply other threads:[~2018-10-26 12:41 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-26 11:43 [PATCH 0/5] Misc cleanups in balance code Nikolay Borisov
2018-10-26 11:43 ` [PATCH 1/5] btrfs: Ensure at least 1g is free for balance Nikolay Borisov
2018-10-26 12:04 ` Qu Wenruo
2018-10-26 12:08 ` Nikolay Borisov
2018-10-26 12:32 ` Qu Wenruo
2018-10-26 12:09 ` Hans van Kranenburg
2018-10-26 12:16 ` Nikolay Borisov
2018-10-26 12:36 ` Hans van Kranenburg
2018-10-26 11:43 ` [PATCH 2/5] btrfs: Refactor btrfs_can_relocate Nikolay Borisov
2018-10-26 12:35 ` Qu Wenruo
2018-11-17 1:29 ` Anand Jain
2018-12-03 17:25 ` David Sterba
2018-12-04 6:34 ` Nikolay Borisov
2018-12-04 13:07 ` David Sterba
2018-10-26 11:43 ` [PATCH 3/5] btrfs: Remove superfluous check form btrfs_remove_chunk Nikolay Borisov
2018-10-26 12:40 ` Qu Wenruo [this message]
2018-11-16 23:57 ` Anand Jain
2018-10-26 11:43 ` [PATCH 4/5] btrfs: Sink find_lock_delalloc_range's 'max_bytes' argument Nikolay Borisov
2018-10-26 12:42 ` Qu Wenruo
2018-11-17 0:53 ` Anand Jain
2018-10-26 11:43 ` [PATCH 5/5] btrfs: Replace BUG_ON with ASSERT in find_lock_delalloc_range Nikolay Borisov
2018-10-26 12:44 ` Qu Wenruo
2018-11-17 1:02 ` Anand Jain
2018-11-16 15:18 ` [PATCH 0/5] Misc cleanups in balance code David Sterba
2018-11-16 15:36 ` Nikolay Borisov
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