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From: Josef Bacik <josef@toxicpanda.com>
To: Goldwyn Rodrigues <rgoldwyn@suse.de>, linux-btrfs@vger.kernel.org
Cc: Qu Wenruo <wqu@suse.com>
Subject: Re: [PATCH] btrfs: Correct try_lock_extent() usage in read_extent_buffer_subpage()
Date: Thu, 8 Apr 2021 14:05:32 -0400	[thread overview]
Message-ID: <e8e48fc0-0ceb-068a-ba1a-0ce505212d35@toxicpanda.com> (raw)
In-Reply-To: <20210408124025.ljsgund6jfc5c55y@fiona>

On 4/8/21 8:40 AM, Goldwyn Rodrigues wrote:
> try_lock_extent() returns 1 on success or 0 for failure and not an error
> code. If try_lock_extent() fails, read_extent_buffer_subpage() returns
> zero indicating subpage extent read success.
> 
> Return EAGAIN/EWOULDBLOCK if try_lock_extent() fails in locking the
> extent.
> 
> Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>

Reviewed-by: Josef Bacik <josef@toxicpanda.com>

Thanks,

Josef

  parent reply	other threads:[~2021-04-08 18:05 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-08 12:40 [PATCH] btrfs: Correct try_lock_extent() usage in read_extent_buffer_subpage() Goldwyn Rodrigues
2021-04-08 12:45 ` Qu Wenruo
2021-04-08 18:05 ` Josef Bacik [this message]
2021-04-23 10:43 ` David Sterba

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