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GFS2: Pull request (fixes)

PATCH Steven Whitehouse 1 participant 1 message Jul 27, 2011 GFS2 file system

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Hi,

Please consider pulling the following patch. Since it is only one small patch I attached it below rather than posting it separately as usual,

Steve.

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The following changes since commit e08dc1325feaf49eec392ee52feb2974ec3f5155:

p9: avoid unused variable warning (2011-07-25 23:43:53 -0700)

are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes.git master

Steven Whitehouse (1):
GFS2: Fix mount hang caused by certain access pattern to sysfs files

 fs/gfs2/ops_fstype.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

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Quoted 1 line

From 19237039919088781b4191a00bdc1284d8fea1dd Mon Sep 17 00:00:00 2001

From: Steven Whitehouse <[email protected]>
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.

fs/gfs2/ops_fstype.c +2 -2
index 516516e..3bc073a 100644
@@ -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;
 }
 
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