From: David Sterba <dsterba@suse.cz>
To: Josef Bacik <josef@toxicpanda.com>
Cc: linux-btrfs@vger.kernel.org, kernel-team@fb.com
Subject: Re: [PATCH 11/13] btrfs: keep track of the root owner for relocation reads
Date: Mon, 11 Jan 2021 23:23:15 +0100 [thread overview]
Message-ID: <20210111222315.GN6430@twin.jikos.cz> (raw)
In-Reply-To: <1daf94fcbd66162c6b227404e2e0db257ca1c91c.1608135557.git.josef@toxicpanda.com>
On Wed, Dec 16, 2020 at 11:22:15AM -0500, Josef Bacik wrote:
> --- a/fs/btrfs/relocation.c
> +++ b/fs/btrfs/relocation.c
> @@ -98,6 +98,7 @@ struct tree_block {
> u64 bytenr;
> }; /* Use rb_simple_node for search/insert */
> struct btrfs_key key;
> + u64 owner;
> unsigned int level:8;
> unsigned int key_ready:1;
This would probably lead to bad packing, key is 17 bytes and placing
u64 after that adds 7 bytes for proper alignment. The bitfield members
following the key are aligned to a byte so it would work if owner is
before key.
next prev parent reply other threads:[~2021-01-11 22:26 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-16 16:22 [PATCH 00/13] Serious fixes for different error paths Josef Bacik
2020-12-16 16:22 ` [PATCH 01/13] btrfs: don't get an EINTR during drop_snapshot for reloc Josef Bacik
2021-01-11 21:56 ` David Sterba
2020-12-16 16:22 ` [PATCH 02/13] btrfs: initialize test inodes location Josef Bacik
2020-12-18 10:30 ` Nikolay Borisov
2020-12-21 16:58 ` David Sterba
2020-12-16 16:22 ` [PATCH 03/13] btrfs: fix reloc root leak with 0 ref reloc roots on recovery Josef Bacik
2020-12-16 16:22 ` [PATCH 04/13] btrfs: splice remaining dirty_bg's onto the transaction dirty bg list Josef Bacik
2021-01-11 22:09 ` David Sterba
2020-12-16 16:22 ` [PATCH 05/13] btrfs: do not WARN_ON() if we can't find the reloc root Josef Bacik
2021-01-11 22:14 ` David Sterba
2020-12-16 16:22 ` [PATCH 06/13] btrfs: add ASSERT()'s for deleting backref cache nodes Josef Bacik
2021-01-11 22:18 ` David Sterba
2020-12-16 16:22 ` [PATCH 07/13] btrfs: do not double free backref nodes on error Josef Bacik
2020-12-16 16:22 ` [PATCH 08/13] btrfs: abort the transaction if we fail to inc ref in btrfs_copy_root Josef Bacik
2021-01-11 22:20 ` David Sterba
2020-12-16 16:22 ` [PATCH 09/13] btrfs: modify the new_root highest_objectid under a ref count Josef Bacik
2020-12-18 11:18 ` Nikolay Borisov
2020-12-16 16:22 ` [PATCH 10/13] btrfs: fix lockdep splat in btrfs_recover_relocation Josef Bacik
2020-12-16 16:22 ` [PATCH 11/13] btrfs: keep track of the root owner for relocation reads Josef Bacik
2021-01-11 22:23 ` David Sterba [this message]
2021-01-14 18:03 ` David Sterba
2020-12-16 16:22 ` [PATCH 12/13] btrfs: do not cleanup upper nodes in btrfs_backref_cleanup_node Josef Bacik
2020-12-16 16:22 ` [PATCH 13/13] btrfs: don't clear ret in btrfs_start_dirty_block_groups Josef Bacik
2021-01-08 16:44 ` [PATCH 00/13] Serious fixes for different error paths David Sterba
2021-01-14 18:20 ` David Sterba
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