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From: Jan Kara <jack@suse.cz>
To: Wang Jianchao <jianchao.wan9@gmail.com>
Cc: linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org,
	tytso@mit.edu, adilger.kernel@dilger.ca
Subject: Re: [PATCH V3 5/5] ext4: make fallocate retry when err is ENOSPC
Date: Wed, 4 Aug 2021 17:46:25 +0200	[thread overview]
Message-ID: <20210804154625.GM4578@quack2.suse.cz> (raw)
In-Reply-To: <20210804153221.GK4578@quack2.suse.cz>

On Wed 04-08-21 17:32:21, Jan Kara wrote:
> On Sat 24-07-21 15:41:24, Wang Jianchao wrote:
> > From: Wang Jianchao <wangjianchao@kuaishou.com>
> > 
> > The blocks may be waiting for journal commit to be freed back to
> > mb buddy. Let fallocate wait and retry in that case.
> > 
> > Signed-off-by: Wang Jianchao <wangjianchao@kuaishou.com>
> 
> Did you really observe this? Because the retry is already handled in
> ext4_alloc_file_blocks() that's used by ext4_fallocate(). So no retry
> should be needed there.

Oh, I can see you've addressed these already in another reply. I'll comment
there.

								Honza
-- 
Jan Kara <jack@suse.com>
SUSE Labs, CR

      reply	other threads:[~2021-08-04 15:46 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-24  7:41 [PATCH V3 0/5] ext4: get discard out of jbd2 commit context Wang Jianchao
2021-07-24  7:41 ` [PATCH V3 1/5] ext4: remove the 'group' parameter of ext4_trim_extent Wang Jianchao
2021-07-26  3:42   ` Guoqing Jiang
2021-08-04 15:26   ` Jan Kara
2021-07-24  7:41 ` [PATCH V3 2/5] ext4: add new helper interface ext4_try_to_trim_range() Wang Jianchao
2021-08-04 15:29   ` Jan Kara
2021-08-12 17:44   ` Theodore Ts'o
2021-08-26  7:19     ` Wang Jianchao
2021-07-24  7:41 ` [PATCH V3 3/5] ext4: remove the repeated comment of ext4_trim_all_free Wang Jianchao
2021-08-04 15:27   ` Jan Kara
2021-07-24  7:41 ` [PATCH V3 4/5] ext4: get discard out of jbd2 commit kthread contex Wang Jianchao
2021-08-04 15:45   ` Jan Kara
2021-08-26  7:15     ` Wang Jianchao
2021-08-12 19:46   ` Theodore Ts'o
2021-08-26  7:51     ` Wang Jianchao
2021-08-26  8:58       ` Wang Jianchao
2021-07-24  7:41 ` [PATCH V3 5/5] ext4: make fallocate retry when err is ENOSPC Wang Jianchao
2021-07-26  3:40   ` Guoqing Jiang
2021-07-26  7:05     ` Wang Jianchao
2021-08-04 15:52       ` Jan Kara
2021-08-26 11:42         ` Wang Jianchao
2021-08-04 15:32   ` Jan Kara
2021-08-04 15:46     ` Jan Kara [this message]

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