From: Al Viro <viro@ZenIV.linux.org.uk>
To: Nick Piggin <npiggin@suse.de>
Cc: linux-fsdevel@vger.kernel.org
Subject: Re: [rfc][patch] fs: mntput might sleep
Date: Thu, 18 Mar 2010 19:03:44 +0000 [thread overview]
Message-ID: <20100318190343.GY30031@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20100317132820.GH2869@laptop>
On Thu, Mar 18, 2010 at 12:28:20AM +1100, Nick Piggin wrote:
> I missed this once or twice, so can we put might_sleep check into
> mntput? Or does anyone call it from atomic context to drop a known
> not-last reference? (if so then maybe the caller could be rewritten).
There are places where it's called for known non-last reference under
interesting locks. I'm not sure if vfsmount_lock is one of those, but...
prev parent reply other threads:[~2010-03-18 19:03 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-17 13:28 [rfc][patch] fs: mntput might sleep Nick Piggin
2010-03-18 1:12 ` Valerie Aurora
2010-03-18 19:03 ` Al Viro [this message]
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