From: Jaegeuk Kim <jaegeuk@kernel.org>
To: Daeho Jeong <daeho43@gmail.com>
Cc: Daeho Jeong <daehojeong@google.com>,
kernel-team@android.com, linux-kernel@vger.kernel.org,
linux-f2fs-devel@lists.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH] f2fs: prevent setting ioprio of thread not in merge mode
Date: Mon, 1 Feb 2021 14:33:48 -0800 [thread overview]
Message-ID: <YBiBzP2YC3j1Q8Ry@google.com> (raw)
In-Reply-To: <20210201005749.2980575-1-daeho43@gmail.com>
Thanks.
Merged into the original patch.
On 02/01, Daeho Jeong wrote:
> From: Daeho Jeong <daehojeong@google.com>
>
> It causes a crash to change the ioprio of checkpoint thread not in
> checkpoint=merge. I fixed that to prevent setting the ioprio of the
> thread when checkpoint=merge is not enabled.
>
> Signed-off-by: Daeho Jeong <daehojeong@google.com>
> ---
> fs/f2fs/sysfs.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
> index 100608bcd517..e38a7f6921dd 100644
> --- a/fs/f2fs/sysfs.c
> +++ b/fs/f2fs/sysfs.c
> @@ -357,8 +357,12 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
> return -EINVAL;
>
> cprc->ckpt_thread_ioprio = IOPRIO_PRIO_VALUE(class, data);
> - ret = set_task_ioprio(cprc->f2fs_issue_ckpt,
> - cprc->ckpt_thread_ioprio);
> + if (test_opt(sbi, MERGE_CHECKPOINT)) {
> + ret = set_task_ioprio(cprc->f2fs_issue_ckpt,
> + cprc->ckpt_thread_ioprio);
> + if (ret)
> + return ret;
> + }
>
> return count;
> }
> --
> 2.30.0.365.g02bc693789-goog
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WARNING: multiple messages have this Message-ID (diff)
From: Jaegeuk Kim <jaegeuk@kernel.org>
To: Daeho Jeong <daeho43@gmail.com>
Cc: linux-kernel@vger.kernel.org,
linux-f2fs-devel@lists.sourceforge.net, kernel-team@android.com,
Daeho Jeong <daehojeong@google.com>
Subject: Re: [PATCH] f2fs: prevent setting ioprio of thread not in merge mode
Date: Mon, 1 Feb 2021 14:33:48 -0800 [thread overview]
Message-ID: <YBiBzP2YC3j1Q8Ry@google.com> (raw)
In-Reply-To: <20210201005749.2980575-1-daeho43@gmail.com>
Thanks.
Merged into the original patch.
On 02/01, Daeho Jeong wrote:
> From: Daeho Jeong <daehojeong@google.com>
>
> It causes a crash to change the ioprio of checkpoint thread not in
> checkpoint=merge. I fixed that to prevent setting the ioprio of the
> thread when checkpoint=merge is not enabled.
>
> Signed-off-by: Daeho Jeong <daehojeong@google.com>
> ---
> fs/f2fs/sysfs.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
> index 100608bcd517..e38a7f6921dd 100644
> --- a/fs/f2fs/sysfs.c
> +++ b/fs/f2fs/sysfs.c
> @@ -357,8 +357,12 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
> return -EINVAL;
>
> cprc->ckpt_thread_ioprio = IOPRIO_PRIO_VALUE(class, data);
> - ret = set_task_ioprio(cprc->f2fs_issue_ckpt,
> - cprc->ckpt_thread_ioprio);
> + if (test_opt(sbi, MERGE_CHECKPOINT)) {
> + ret = set_task_ioprio(cprc->f2fs_issue_ckpt,
> + cprc->ckpt_thread_ioprio);
> + if (ret)
> + return ret;
> + }
>
> return count;
> }
> --
> 2.30.0.365.g02bc693789-goog
next prev parent reply other threads:[~2021-02-01 22:34 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-01 0:57 [f2fs-dev] [PATCH] f2fs: prevent setting ioprio of thread not in merge mode Daeho Jeong
2021-02-01 0:57 ` Daeho Jeong
2021-02-01 22:33 ` Jaegeuk Kim [this message]
2021-02-01 22:33 ` Jaegeuk Kim
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