From: Chris Mason <clm@fb.com>
To: <dsterba@suse.cz>, Omar Sandoval <osandov@osandov.com>,
<linux-btrfs@vger.kernel.org>, Al Viro <viro@zeniv.linux.org.uk>,
<kernel-team@fb.com>, Omar Sandoval <osandov@fb.com>
Subject: Re: [PATCH] Btrfs: fix ->iterate_shared() by upgrading i_rwsem for delayed nodes
Date: Wed, 25 May 2016 16:22:26 -0400 [thread overview]
Message-ID: <20160525202226.djc7dk4uhzuleets@floor.thefacebook.com> (raw)
In-Reply-To: <20160525201129.GQ29147@twin.jikos.cz>
On Wed, May 25, 2016 at 10:11:29PM +0200, David Sterba wrote:
> On Fri, May 20, 2016 at 01:50:33PM -0700, Omar Sandoval wrote:
> > Commit fe742fd4f90f ("Revert "btrfs: switch to ->iterate_shared()"")
> > backed out the conversion to ->iterate_shared() for Btrfs because the
> > delayed inode handling in btrfs_real_readdir() is racy. However, we can
> > still do readdir in parallel if there are no delayed nodes.
>
> So this is for current master (pre 4.7-rc1), I'll add an appropriate
> merge point for to my for-next.
I'll get this bashed on in a big stress.sh run, but it looks good to me.
-chris
next prev parent reply other threads:[~2016-05-25 20:22 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-20 20:50 [PATCH] Btrfs: fix ->iterate_shared() by upgrading i_rwsem for delayed nodes Omar Sandoval
2016-05-25 20:11 ` David Sterba
2016-05-25 20:22 ` Chris Mason [this message]
2016-05-25 20:48 ` Al Viro
2016-05-25 22:11 ` Omar Sandoval
2016-06-17 17:55 ` Omar Sandoval
2016-06-17 17:59 ` Omar Sandoval
2016-06-20 15:07 ` David Sterba
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