From: Andrew Morton <akpm@osdl.org>
To: Nikita Danilov <Nikita@Namesys.COM>
Cc: linux-kernel@vger.kernel.org,
viro@parcelfarce.linux.theplanet.co.uk, trondmy@trondhjem.org,
neilb@cse.unsw.edu.au
Subject: Re: d_splice_alias() problem.
Date: Fri, 23 Apr 2004 16:49:36 -0700 [thread overview]
Message-ID: <20040423164936.390462fb.akpm@osdl.org> (raw)
In-Reply-To: <16521.5104.489490.617269@laputa.namesys.com>
Nikita Danilov <Nikita@Namesys.COM> wrote:
>
> for some time I am observing that during stress tests over NFS
>
> shrink_slab->...->prune_dcache()->prune_one_dentry()->...->iput()
>
> is called on inode with ->i_nlink == 0 which results in truncate and
> file deletion. This is wrong in general (file system is re-entered), and
> deadlock prone on some file systems.
The filesystem is only reentered if the caller of __alloc_pages() passed in
__GFP_FS, in which case the bug is in the caller, not in shrink_slab().
next prev parent reply other threads:[~2004-04-23 23:49 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-23 13:02 Nikita Danilov
2004-04-23 15:40 ` Andreas Dilger
2004-04-23 16:20 ` Nikita Danilov
2004-04-23 23:49 ` Andrew Morton [this message]
2004-04-26 12:45 ` Nikita Danilov
2004-04-30 4:54 ` Neil Brown
2004-04-30 7:50 ` Greg Banks
2004-04-30 13:28 ` Nikita Danilov
2004-05-03 23:46 ` Neil Brown
2004-05-03 12:02 ` Greg Banks
2004-05-03 23:28 ` Neil Brown
2004-05-04 0:05 ` Greg Banks
2004-05-04 7:00 ` Greg Banks
2004-05-04 9:46 ` viro
2004-05-04 10:21 ` Greg Banks
2004-05-05 0:11 ` Neil Brown
2004-05-10 3:03 ` Neil Brown
2004-05-10 4:50 ` Greg Banks
2004-05-10 3:27 ` Neil Brown
2004-05-10 11:28 ` Greg Banks
2004-05-13 5:58 ` Neil Brown
2004-05-13 7:15 ` Greg Banks
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