This is for 3.0-stable only. The patch is already in Linus' upstream tree.
>From 19237039919088781b4191a00bdc1284d8fea1dd Mon Sep 17 00:00:00 2001
From: Steven Whitehouse <swhit...@redhat.com>
Date: Tue, 26 Jul 2011 09:15:45 +0100
Subject: [PATCH] GFS2: Fix mount hang caused by certain access pattern to sysfs
files
Depending upon the order of userspace/kernel during the
mount process, this can result in a hang without the
_all version of the completion.
Signed-off-by: Steven Whitehouse <swhit...@redhat.com>
---
fs/gfs2/ops_fstype.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 516516e..3bc073a 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -1018,13 +1018,13 @@ hostdata_error:
fsname++;
if (lm->lm_mount == NULL) {
fs_info(sdp, "Now mounting FS...\n");
- complete(&sdp->sd_locking_init);
+ complete_all(&sdp->sd_locking_init);
return 0;
}
ret = lm->lm_mount(sdp, fsname);
if (ret == 0)
fs_info(sdp, "Joined cluster. Now mounting FS...\n");
- complete(&sdp->sd_locking_init);
+ complete_all(&sdp->sd_locking_init);
return ret;
}
--
1.7.4
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