From: David Sterba <dsterba@suse.cz>
To: Qu Wenruo <wqu@suse.com>
Cc: linux-btrfs@vger.kernel.org,
Johannes Thumshirn <jthumshirn@suse.de>,
Anand Jain <anand.jain@oracle.com>
Subject: Re: [PATCH v3 2/3] btrfs: block-group: Refactor btrfs_read_block_groups()
Date: Mon, 4 Nov 2019 20:55:27 +0100 [thread overview]
Message-ID: <20191104195527.GF3001@twin.jikos.cz> (raw)
In-Reply-To: <20191010023928.24586-3-wqu@suse.com>
On Thu, Oct 10, 2019 at 10:39:27AM +0800, Qu Wenruo wrote:
> +static int read_one_block_group(struct btrfs_fs_info *info,
> + struct btrfs_path *path,
> + int need_clear)
> +{
> + struct extent_buffer *leaf = path->nodes[0];
> + struct btrfs_block_group_cache *cache;
> + struct btrfs_space_info *space_info;
> + struct btrfs_key key;
> + int mixed = btrfs_fs_incompat(info, MIXED_GROUPS);
> + int slot = path->slots[0];
> + int ret;
> +
> + btrfs_item_key_to_cpu(leaf, &key, slot);
The first thing done here is the same as in the caller:
> + btrfs_item_key_to_cpu(path->nodes[0], &key, path->slots[0]);
> + ret = read_one_block_group(info, path, need_clear);
The key can be passed by pointer so it's not on stack and the conversion
can be removed. I left it in the patch, please send a followup. Thanks.
next prev parent reply other threads:[~2019-11-04 19:55 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-10 2:39 [PATCH v3 0/3] btrfs: Introduce new incompat feature BG_TREE to hugely reduce mount time Qu Wenruo
2019-10-10 2:39 ` [PATCH v3 1/3] btrfs: block-group: Fix a memory leak due to missing btrfs_put_block_group() Qu Wenruo
2019-10-10 2:51 ` Anand Jain
2019-10-10 7:20 ` Johannes Thumshirn
2019-10-11 19:23 ` David Sterba
2019-10-10 2:39 ` [PATCH v3 2/3] btrfs: block-group: Refactor btrfs_read_block_groups() Qu Wenruo
2019-10-10 2:52 ` Anand Jain
2019-10-30 4:59 ` Qu WenRuo
2019-11-04 19:53 ` David Sterba
2019-11-04 21:44 ` David Sterba
2019-11-05 0:47 ` Qu Wenruo
2019-11-04 19:55 ` David Sterba [this message]
2019-10-10 2:39 ` [PATCH v3 3/3] btrfs: Introduce new incompat feature, BG_TREE, to speed up mount time Qu Wenruo
2019-10-10 5:21 ` Naohiro Aota
2019-10-11 13:23 ` Josef Bacik
2019-10-14 9:08 ` Anand Jain
2019-10-10 2:40 ` [PATCH v3 0/3] btrfs: Introduce new incompat feature BG_TREE to hugely reduce " Qu WenRuo
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