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authorDavid Chinner <dgc@sgi.com>2007-01-11 02:15:41 -0500
committerLinus Torvalds <torvalds@woody.osdl.org>2007-01-11 21:18:21 -0500
commitf73ca1b76c6880b934d3ef566c1592efc80bb759 (patch)
treec9384ef5ff0ba68817858afdcc330e8707b11ec9 /fs/gfs2
parent88bf7b391dca840f03fe25e4ff8fe6b4319fa07b (diff)
[PATCH] Revert bd_mount_mutex back to a semaphore
Revert bd_mount_mutex back to a semaphore so that xfs_freeze -f /mnt/newtest; xfs_freeze -u /mnt/newtest works safely and doesn't produce lockdep warnings. (XFS unlocks the semaphore from a different task, by design. The mutex code warns about this) Signed-off-by: Dave Chinner <dgc@sgi.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/gfs2')
-rw-r--r--fs/gfs2/ops_fstype.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index d14e139d2674..ee80b8a5e7bc 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -867,9 +867,9 @@ static int gfs2_get_sb_meta(struct file_system_type *fs_type, int flags,
867 error = -EBUSY; 867 error = -EBUSY;
868 goto error; 868 goto error;
869 } 869 }
870 mutex_lock(&sb->s_bdev->bd_mount_mutex); 870 down(&sb->s_bdev->bd_mount_sem);
871 new = sget(fs_type, test_bdev_super, set_bdev_super, sb->s_bdev); 871 new = sget(fs_type, test_bdev_super, set_bdev_super, sb->s_bdev);
872 mutex_unlock(&sb->s_bdev->bd_mount_mutex); 872 up(&sb->s_bdev->bd_mount_sem);
873 if (IS_ERR(new)) { 873 if (IS_ERR(new)) {
874 error = PTR_ERR(new); 874 error = PTR_ERR(new);
875 goto error; 875 goto error;