From: Jens Axboe <axboe@kernel.dk>
To: linux-block@vger.kernel.org,
Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Cc: Jan Kara <jack@suse.cz>, Ming Lei <ming.lei@redhat.com>,
Damien Le Moal <Damien.LeMoal@wdc.com>
Subject: Re: [PATCH] block: Hold invalidate_lock in BLKRESETZONE ioctl
Date: Thu, 11 Nov 2021 11:52:55 -0700 [thread overview]
Message-ID: <163665677590.27561.12255817873521828001.b4-ty@kernel.dk> (raw)
In-Reply-To: <20211111085238.942492-1-shinichiro.kawasaki@wdc.com>
On Thu, 11 Nov 2021 17:52:38 +0900, Shin'ichiro Kawasaki wrote:
> When BLKRESETZONE ioctl and data read race, the data read leaves stale
> page cache. The commit e5113505904e ("block: Discard page cache of zone
> reset target range") added page cache truncation to avoid stale page
> cache after the ioctl. However, the stale page cache still can be read
> during the reset zone operation for the ioctl. To avoid the stale page
> cache completely, hold invalidate_lock of the block device file mapping.
>
> [...]
Applied, thanks!
[1/1] block: Hold invalidate_lock in BLKRESETZONE ioctl
commit: 86399ea071099ec8ee0a83ac9ad67f7df96a50ad
Best regards,
--
Jens Axboe
prev parent reply other threads:[~2021-11-11 18:52 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-11 8:52 [PATCH] block: Hold invalidate_lock in BLKRESETZONE ioctl Shin'ichiro Kawasaki
2021-11-11 10:06 ` Jan Kara
2021-11-11 12:05 ` Ming Lei
2021-11-11 18:52 ` Jens Axboe [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=163665677590.27561.12255817873521828001.b4-ty@kernel.dk \
--to=axboe@kernel.dk \
--cc=Damien.LeMoal@wdc.com \
--cc=jack@suse.cz \
--cc=linux-block@vger.kernel.org \
--cc=ming.lei@redhat.com \
--cc=shinichiro.kawasaki@wdc.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.