From: Ian Kent <raven@themaw.net>
Date: Thu, 24 Mar 2011 17:51:02 +0000 (+0800)
Subject: vfs - check non-mountpoint dentry might block in __follow_mount_rcu()
X-Git-Tag: v2.6.39-rc1~75^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=62a7375e5d77d654695297c4b39d5d740d901184;p=pandora-kernel.git

vfs - check non-mountpoint dentry might block in __follow_mount_rcu()

When following a mount in rcu-walk mode we must check if the incoming dentry
is telling us it may need to block, even if it isn't actually a mountpoint.

Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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