svn commit: r224743 - head/sys/fs/devfs
Konstantin Belousov
kib at FreeBSD.org
Tue Aug 9 20:53:34 UTC 2011
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;
}
/*
More information about the svn-src-all
mailing list