Re: [RFC, PATCH, RESEND] fs: push rcu_barrier() from deactivate_locked_super() to filesystems (Reiser Filesystem Devel)


Re: [RFC, PATCH, RESEND] fs: push rcu_barrier() from deactivate_locked_super() to filesystems
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: Re: [RFC, PATCH, RESEND] fs: push rcu_barrier() from deactivate_locked_super() to filesystems
From: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Date: Mon, 11 Jun 2012 12:16:00 +0300
Cc: Marco Stornelli <marco.stornelli@xxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, Boaz Harrosh <bharrosh@xxxxxxxxxxx>, Tao Ma <boyu.mt@xxxxxxxxxx>, Nick Piggin <npiggin@xxxxxxxxx>, "Dmitry V. Levin" <ldv@xxxxxxxxxxxx>, v9fs-developer@xxxxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-afs@xxxxxxxxxxxxxxxxxxx, linux-btrfs@xxxxxxxxxxxxxxx, ceph-devel@xxxxxxxxxxxxxxx, linux-cifs@xxxxxxxxxxxxxxx, samba-technical@xxxxxxxxxxxxxxx, codalist@xxxxxxxxxxxxxxxxxxxxxxxx, ecryptfs@xxxxxxxxxxxxxxx, osd-dev@xxxxxxxxxxxx, linux-ext4@xxxxxxxxxxxxxxx, fuse-devel@xxxxxxxxxxxxxxxxxxxxx, linux-mtd@xxxxxxxxxxxxxxxxxxx, jfs-discussion@xxxxxxxxxxxxxxxxxxxxx, logfs@xxxxxxxxx, linux-nfs@xxxxxxxxxxxxxxx, linux-nilfs@xxxxxxxxxxxxxxx, linux-ntfs-dev@xxxxxxxxxxxxxxxxxxxxx, ocfs2-devel@xxxxxxxxxxxxxx, reiserfs-devel@xxxxxxxxxxxxxxx
In-reply-to: <20120609002557.b8aba759.akpm@linux-foundation.org>
User-agent: Mutt/1.5.21 (2010-09-15)

On Sat, Jun 09, 2012 at 12:25:57AM -0700, Andrew Morton wrote:
> And...  it seems that I misread what's going on.  The individual
> filesystems are doing the rcu freeing of their inodes, so it is
> appropriate that they also call rcu_barrier() prior to running
> kmem_cache_free().  Which is what Kirill's patch does.  oops.

Ack? ;)

-- 
 Kirill A. Shutemov

Attachment: signature.asc
Description: Digital signature

References:
- Re: [RFC, PATCH, RESEND] fs: push rcu_barrier() from deactivate_locked_super() to filesystems
  - From: Kirill A. Shutemov
- Re: [RFC, PATCH, RESEND] fs: push rcu_barrier() from deactivate_locked_super() to filesystems
  - From: Andrew Morton
- Re: [RFC, PATCH, RESEND] fs: push rcu_barrier() from deactivate_locked_super() to filesystems
  - From: Al Viro
- Re: [RFC, PATCH, RESEND] fs: push rcu_barrier() from deactivate_locked_super() to filesystems
  - From: Andrew Morton
- Re: [RFC, PATCH, RESEND] fs: push rcu_barrier() from deactivate_locked_super() to filesystems
  - From: Kirill A. Shutemov
- Re: [RFC, PATCH, RESEND] fs: push rcu_barrier() from deactivate_locked_super() to filesystems
  - From: Andrew Morton
- Re: [RFC, PATCH, RESEND] fs: push rcu_barrier() from deactivate_locked_super() to filesystems
  - From: Linus Torvalds
- Re: [RFC, PATCH, RESEND] fs: push rcu_barrier() from deactivate_locked_super() to filesystems
  - From: Andrew Morton
- Re: [RFC, PATCH, RESEND] fs: push rcu_barrier() from deactivate_locked_super() to filesystems
  - From: Marco Stornelli
- Re: [RFC, PATCH, RESEND] fs: push rcu_barrier() from deactivate_locked_super() to filesystems
  - From: Andrew Morton

Prev by Date: More reiserfs hangs, easy to reproduce (Sheevaplug)
Next by Date: [Bug 14055] crash on NFS umount
Previous by thread: Re: [RFC, PATCH, RESEND] fs: push rcu_barrier() from deactivate_locked_super() to filesystems
Next by thread: Re: [RFC, PATCH, RESEND] fs: push rcu_barrier() from deactivate_locked_super() to filesystems
Index(es):
- Date
- Thread

[Linux BTRFS] [Linux NFS] [Linux Filesystems] [Ext4 Filesystem] [Kernel Newbies] [Share Photos] [Security] [Netfilter] [Bugtraq] [Photo] [Yosemite] [Yosemite Forum] [MIPS Linux] [ARM Linux] [Linux Security] [Linux RAID] [Samba] [Video 4 Linux] [Device Mapper] [Linux Resources]