Date: Tue, 9 Aug 2011 20:53:34 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r224743 - head/sys/fs/devfs Message-ID: <201108092053.p79KrYt3011536@svn.freebsd.org>
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Author: kib Date: Tue Aug 9 20:53:33 2011 New Revision: 224743 URL: http://svn.freebsd.org/changeset/base/224743 Log: Do not update mountpoint generation counter to the value which was not yet acted upon by devfs_populate(). Submitted by: Kohji Okuno <okuno.kohji jp panasonic com> Approved by: re (bz) MFC after: 1 week Modified: head/sys/fs/devfs/devfs_devs.c Modified: head/sys/fs/devfs/devfs_devs.c ============================================================================== --- head/sys/fs/devfs/devfs_devs.c Tue Aug 9 20:52:12 2011 (r224742) +++ head/sys/fs/devfs/devfs_devs.c Tue Aug 9 20:53:33 2011 (r224743) @@ -630,13 +630,15 @@ devfs_populate_loop(struct devfs_mount * void devfs_populate(struct devfs_mount *dm) { + unsigned gen; sx_assert(&dm->dm_lock, SX_XLOCKED); - if (dm->dm_generation == devfs_generation) + gen = devfs_generation; + if (dm->dm_generation == gen) return; while (devfs_populate_loop(dm, 0)) continue; - dm->dm_generation = devfs_generation; + dm->dm_generation = gen; } /*
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