On 2024/6/26 10:01, Zhiguo Niu wrote:
Chao Yu 于2024年6月25日周二 22:29写道：
If lfs mode is on, buffered read may race w/ OPU dio write as below,
it may cause buffered read hits unwritten data unexpectly, and for
dio read, the race condition exists as well.
Thread AThread B
-
Chao Yu 于2024年6月25日周二 22:29写道：
>
> If lfs mode is on, buffered read may race w/ OPU dio write as below,
> it may cause buffered read hits unwritten data unexpectly, and for
> dio read, the race condition exists as well.
>
> Thread AThread B
> - f2fs_file_write_iter
> - f2f
On 2024/5/15 14:38, Chao Yu wrote:
On 2024/5/15 12:42, Jaegeuk Kim wrote:
On 05/15, Chao Yu wrote:
On 2024/5/15 0:09, Jaegeuk Kim wrote:
On 05/10, Chao Yu wrote:
If lfs mode is on, buffered read may race w/ OPU dio write as below,
it may cause buffered read hits unwritten data unexpectly, and
On 2024/5/15 16:32, Wu Bo wrote:
On Fri, May 10, 2024 at 10:39:06AM +0800, Chao Yu wrote:
If lfs mode is on, buffered read may race w/ OPU dio write as below,
it may cause buffered read hits unwritten data unexpectly, and for
dio read, the race condition exists as well.
Thread A
Hello,
kernel test robot noticed "WARNING:at_kernel/locking/rwsem.c:#down_read" on:
commit: abf7df61e5c60fed520a09102d576fd41ed4d5ee ("[PATCH v2] f2fs: fix to
avoid racing in between read and OPU dio write")
url:
https://github.com/intel-lab-lkp/linux/commits/Chao-Yu/f2fs-fix-to-avoid-racing
…
> This patch introduces a new …
Please choose a corresponding imperative wording for an improved change
description.
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.9#n94
Regards,
Markus
___
On Fri, May 10, 2024 at 10:39:06AM +0800, Chao Yu wrote:
> If lfs mode is on, buffered read may race w/ OPU dio write as below,
> it may cause buffered read hits unwritten data unexpectly, and for
> dio read, the race condition exists as well.
>
> Thread A Thread B
> - f2fs_fi
On 2024/5/15 12:42, Jaegeuk Kim wrote:
On 05/15, Chao Yu wrote:
On 2024/5/15 0:09, Jaegeuk Kim wrote:
On 05/10, Chao Yu wrote:
If lfs mode is on, buffered read may race w/ OPU dio write as below,
it may cause buffered read hits unwritten data unexpectly, and for
dio read, the race condition ex
On 05/15, Chao Yu wrote:
> On 2024/5/15 0:09, Jaegeuk Kim wrote:
> > On 05/10, Chao Yu wrote:
> > > If lfs mode is on, buffered read may race w/ OPU dio write as below,
> > > it may cause buffered read hits unwritten data unexpectly, and for
> > > dio read, the race condition exists as well.
> > >
On 2024/5/15 0:09, Jaegeuk Kim wrote:
On 05/10, Chao Yu wrote:
If lfs mode is on, buffered read may race w/ OPU dio write as below,
it may cause buffered read hits unwritten data unexpectly, and for
dio read, the race condition exists as well.
Thread A Thread B
- f2fs_file_
On 05/10, Chao Yu wrote:
> If lfs mode is on, buffered read may race w/ OPU dio write as below,
> it may cause buffered read hits unwritten data unexpectly, and for
> dio read, the race condition exists as well.
>
> Thread A Thread B
> - f2fs_file_write_iter
> - f2fs_dio_writ
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