Re: [PATCH] sysv: convert pointers_lock from rw_lock to rw_sem

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH] sysv: convert pointers_lock from rw_lock to rw_sem
From: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>
Date: Mon, 27 Mar 2023 22:09:46 +0900
Cc: Christoph Hellwig <hch@xxxxxx>, syzbot <syzbot+69b40dc5fd40f32c199f@xxxxxxxxxxxxxxxxxxxxxxxxx>, syzkaller-bugs@xxxxxxxxxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, hch@xxxxxxxxxxxxx, linux-fsdevel <linux-fsdevel@xxxxxxxxxxxxxxx>, "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>, Chen Zhongjin <chenzhongjin@xxxxxxxxxx>, Dave Chinner <dchinner@xxxxxxxxxx>, Christian Brauner <brauner@xxxxxxxxxx>
In-reply-to: <20230327130205.GG3390869@ZenIV>
User-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.9.0

On 2023/03/27 22:02, Al Viro wrote:
> IOW, sysv_truncate() (as well as its minixfs counterpart) relies upon having
> serialization wrt other callers of sysv_truncate().

I see. Please submit a patch.

References:
- [PATCH] sysv: convert pointers_lock from rw_lock to rw_sem
  - From: Tetsuo Handa
- Re: [PATCH] sysv: convert pointers_lock from rw_lock to rw_sem
  - From: Al Viro
- Re: [PATCH] sysv: convert pointers_lock from rw_lock to rw_sem
  - From: Tetsuo Handa
- Re: [PATCH] sysv: convert pointers_lock from rw_lock to rw_sem
  - From: Al Viro

Prev by Date: Re: [RFC v4 2/2] file, epoll: Implement do_replace() and eventpoll_replace()
Next by Date: Re: [RFC v4 2/2] file, epoll: Implement do_replace() and eventpoll_replace()
Previous by thread: Re: [PATCH] sysv: convert pointers_lock from rw_lock to rw_sem
Next by thread: [PATCH] sysv: don't call sb_bread() with pointers_lock held
Index(es):
- Date
- Thread

[Index of Archives] [Linux Ext4 Filesystem] [Union Filesystem] [Filesystem Testing] [Ceph Users] [Ecryptfs] [NTFS 3] [AutoFS] [Kernel Newbies] [Share Photos] [Security] [Netfilter] [Bugtraq] [Yosemite News] [MIPS Linux] [ARM Linux] [Linux Security] [Linux Cachefs] [Reiser Filesystem] [Linux RAID] [NTFS 3] [Samba] [Device Mapper] [CEPH Development]