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From: Johannes Thumshirn <Johannes.Thumshirn@wdc.com>
To: "dsterba@suse.cz" <dsterba@suse.cz>
Cc: "fdmanana@gmail.com" <fdmanana@gmail.com>,
	Naohiro Aota <Naohiro.Aota@wdc.com>,
	linux-btrfs <linux-btrfs@vger.kernel.org>,
	David Sterba <dsterba@suse.com>, "hare@suse.com" <hare@suse.com>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>,
	Josef Bacik <josef@toxicpanda.com>
Subject: Re: [PATCH v15 41/42] btrfs: zoned: reorder log node allocation on zoned filesystem
Date: Thu, 4 Feb 2021 15:51:14 +0000	[thread overview]
Message-ID: <SN4PR0401MB3598DEAD6778B31DA9FE0BCE9BB39@SN4PR0401MB3598.namprd04.prod.outlook.com> (raw)
In-Reply-To: 20210204154841.GG1993@twin.jikos.cz

On 04/02/2021 16:50, David Sterba wrote:
> On Thu, Feb 04, 2021 at 02:54:25PM +0000, Johannes Thumshirn wrote:
>> On 04/02/2021 12:57, Filipe Manana wrote:
>>> On Thu, Feb 4, 2021 at 10:23 AM Naohiro Aota <naohiro.aota@wdc.com> wrote:
>>>> --- a/fs/btrfs/tree-log.c
>>>> +++ b/fs/btrfs/tree-log.c
>>>> @@ -3159,6 +3159,19 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans,
>>>>         list_add_tail(&root_log_ctx.list, &log_root_tree->log_ctxs[index2]);
>>>>         root_log_ctx.log_transid = log_root_tree->log_transid;
>>>>
>>>> +       if (btrfs_is_zoned(fs_info)) {
>>>> +               mutex_lock(&fs_info->tree_log_mutex);
>>>> +               if (!log_root_tree->node) {
>>>
>>> As commented in v14, the log root tree is not protected by
>>> fs_info->tree_log_mutex anymore.
>>> It is fs_info->tree_root->log_mutex as of 5.10.
>>>
>>> Everything else was addressed and looks good.
>>> Thanks.
>>
>> David, can you add this or should we send an incremental patch?
>> This survived fstests -g quick run with lockdep enabled.
>>
>> diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
>> index 7ba044bfa9b1..36c4a60d20dc 100644
>> --- a/fs/btrfs/tree-log.c
>> +++ b/fs/btrfs/tree-log.c
>> @@ -3160,7 +3160,7 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans,
>>         root_log_ctx.log_transid = log_root_tree->log_transid;
>>         if (btrfs_is_zoned(fs_info)) {
>> -               mutex_lock(&fs_info->tree_log_mutex);
>> +               mutex_lock(&fs_info->tree_root->log_mutex);
>>                 if (!log_root_tree->node) {
>>                         ret = btrfs_alloc_log_tree_node(trans, log_root_tree);
>>                         if (ret) {
>> @@ -3169,7 +3169,7 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans,
>>                                 goto out;
>>                         }
>>                 }
>> -               mutex_unlock(&fs_info->tree_log_mutex);
>> +               mutex_unlock(&fs_info->tree_root->log_mutex);
> 
> Folded to the patch, thanks.
> 

Thanks a lot

  reply	other threads:[~2021-02-04 15:53 UTC|newest]

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-04 10:21 [PATCH v15 00/42] btrfs: zoned block device support Naohiro Aota
2021-02-04 10:21 ` [PATCH v15 01/42] block: add bio_add_zone_append_page Naohiro Aota
2021-02-04 10:21   ` [PATCH v15 02/42] iomap: support REQ_OP_ZONE_APPEND Naohiro Aota
2021-02-04 10:21   ` [PATCH v15 03/42] btrfs: zoned: defer loading zone info after opening trees Naohiro Aota
2021-02-04 10:21   ` [PATCH v15 04/42] btrfs: zoned: use regular super block location on zone emulation Naohiro Aota
2021-02-04 10:21   ` [PATCH v15 05/42] btrfs: release path before calling to btrfs_load_block_group_zone_info Naohiro Aota
2021-02-04 10:21   ` [PATCH v15 06/42] btrfs: zoned: do not load fs_info::zoned from incompat flag Naohiro Aota
2021-02-04 10:21   ` [PATCH v15 07/42] btrfs: zoned: disallow fitrim on zoned filesystems Naohiro Aota
2021-02-04 10:21   ` [PATCH v15 08/42] btrfs: zoned: allow zoned filesystems on non-zoned block devices Naohiro Aota
2021-02-04 10:21   ` [PATCH v15 09/42] btrfs: zoned: implement zoned chunk allocator Naohiro Aota
2021-02-04 10:21   ` [PATCH v15 10/42] btrfs: zoned: verify device extent is aligned to zone Naohiro Aota
2021-02-04 10:21   ` [PATCH v15 11/42] btrfs: zoned: load zone's allocation offset Naohiro Aota
2021-02-04 10:21   ` [PATCH v15 12/42] btrfs: zoned: calculate allocation offset for conventional zones Naohiro Aota
2021-02-04 10:21   ` [PATCH v15 13/42] btrfs: zoned: track unusable bytes for zones Naohiro Aota
2021-02-04 10:21   ` [PATCH v15 14/42] btrfs: zoned: implement sequential extent allocation Naohiro Aota
2021-02-04 10:21   ` [PATCH v15 15/42] btrfs: zoned: redirty released extent buffers Naohiro Aota
2021-02-04 10:21   ` [PATCH v15 16/42] btrfs: zoned: advance allocation pointer after tree log node Naohiro Aota
2021-02-04 10:21   ` [PATCH v15 17/42] btrfs: zoned: reset zones of unused block groups Naohiro Aota
2021-02-04 10:21   ` [PATCH v15 18/42] btrfs: factor out helper adding a page to bio Naohiro Aota
2021-02-04 10:21   ` [PATCH v15 19/42] btrfs: zoned: use bio_add_zone_append_page Naohiro Aota
2021-02-04 10:21   ` [PATCH v15 20/42] btrfs: zoned: handle REQ_OP_ZONE_APPEND as writing Naohiro Aota
2021-02-04 10:22   ` [PATCH v15 21/42] btrfs: zoned: split ordered extent when bio is sent Naohiro Aota
2021-02-04 10:22   ` [PATCH v15 22/42] btrfs: zoned: check if bio spans across an ordered extent Naohiro Aota
2021-02-04 10:22   ` [PATCH v15 23/42] btrfs: extend btrfs_rmap_block for specifying a device Naohiro Aota
2021-02-04 10:22   ` [PATCH v15 24/42] btrfs: zoned: cache if block-group is on a sequential zone Naohiro Aota
2021-02-04 10:22   ` [PATCH v15 25/42] btrfs: save irq flags when looking up an ordered extent Naohiro Aota
2021-02-04 10:22   ` [PATCH v15 26/42] btrfs: zoned: use ZONE_APPEND write for zoned btrfs Naohiro Aota
2021-02-04 10:22   ` [PATCH v15 27/42] btrfs: zoned: enable zone append writing for direct IO Naohiro Aota
2021-02-04 10:22   ` [PATCH v15 28/42] btrfs: zoned: introduce dedicated data write path for zoned filesystems Naohiro Aota
2021-02-04 10:22   ` [PATCH v15 29/42] btrfs: zoned: serialize metadata IO Naohiro Aota
2021-02-04 10:22   ` [PATCH v15 30/42] btrfs: zoned: wait for existing extents before truncating Naohiro Aota
2021-02-04 10:22   ` [PATCH v15 31/42] btrfs: zoned: do not use async metadata checksum on zoned filesystems Naohiro Aota
2021-02-04 10:22   ` [PATCH v15 32/42] btrfs: zoned: mark block groups to copy for device-replace Naohiro Aota
2021-02-04 10:22   ` [PATCH v15 33/42] btrfs: zoned: implement cloning for zoned device-replace Naohiro Aota
2021-02-04 10:22   ` [PATCH v15 34/42] btrfs: zoned: implement copying " Naohiro Aota
2021-02-04 10:22   ` [PATCH v15 35/42] btrfs: zoned: support dev-replace in zoned filesystems Naohiro Aota
2021-02-04 10:22   ` [PATCH v15 36/42] btrfs: zoned: enable relocation on a zoned filesystem Naohiro Aota
2021-02-04 10:22   ` [PATCH v15 37/42] btrfs: zoned: relocate block group to repair IO failure in zoned filesystems Naohiro Aota
2021-02-04 10:22   ` [PATCH v15 38/42] btrfs: split alloc_log_tree() Naohiro Aota
2021-02-04 10:22   ` [PATCH v15 39/42] btrfs: zoned: extend zoned allocator to use dedicated tree-log block group Naohiro Aota
2021-02-04 10:22   ` [PATCH v15 40/42] btrfs: zoned: serialize log transaction on zoned filesystems Naohiro Aota
2021-02-04 11:50     ` Filipe Manana
2021-02-05  7:21       ` Naohiro Aota
2021-02-05  9:15     ` Naohiro Aota
2021-02-05 11:21       ` Filipe Manana
2021-02-09  1:49       ` David Sterba
2021-02-04 10:22   ` [PATCH v15 41/42] btrfs: zoned: reorder log node allocation on zoned filesystem Naohiro Aota
2021-02-04 11:57     ` Filipe Manana
2021-02-04 14:54       ` Johannes Thumshirn
2021-02-04 15:48         ` David Sterba
2021-02-04 15:51           ` Johannes Thumshirn [this message]
2021-02-04 10:22   ` [PATCH v15 42/42] btrfs: zoned: enable to mount ZONED incompat flag Naohiro Aota
2021-02-05  9:26   ` [PATCH v15 43/43] btrfs: zoned: deal with holes writing out tree-log pages Naohiro Aota
2021-02-05 11:49     ` Filipe Manana
2021-02-05 12:55       ` Naohiro Aota
2021-02-05 13:07         ` Filipe Manana
2021-02-05 14:19       ` Filipe Manana
2021-02-05 14:46         ` Naohiro Aota
2021-02-05 14:58     ` [PATCH v15.1 " Naohiro Aota
2021-02-05 16:25       ` Filipe Manana
2021-02-09  1:55       ` David Sterba
2021-02-10 19:58 ` [PATCH v15 00/42] btrfs: zoned block device support David Sterba
2021-02-11  9:58   ` Johannes Thumshirn
2021-02-11 15:19     ` David Sterba
2021-02-11 15:26       ` Johannes Thumshirn
2021-02-11 15:46         ` David Sterba
2021-02-15 16:58           ` Johannes Thumshirn
2021-02-15 17:02             ` David Sterba
2021-02-16  4:33             ` Naohiro Aota
2021-02-16 11:46               ` David Sterba
2021-02-22  7:50                 ` Naohiro Aota
2021-02-22 16:00                   ` David Sterba

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