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authorSteven Whitehouse <swhiteho@redhat.com>2010-10-06 09:58:44 +0100
committerSteven Whitehouse <swhiteho@redhat.com>2010-10-06 09:58:44 +0100
commit134669854e3a680d8aad9a4047891c653715f4c0 (patch)
tree8c6f6b2615fc7bf84c69b02bde33065aaa8688c9 /fs/gfs2/sys.c
parent46290341cd649c2bfb69e5067c1804c0395c83a1 (diff)
GFS2: Fix type mapping for demote_rq interface
Mostly the glock operations follow the type of the glock. The one exception is the transaction glock, so we need to check for that directly. Reported-by: Dr. David Alan Gilbert <linux@treblig.org> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/sys.c')
-rw-r--r--fs/gfs2/sys.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index 64082a5feae1..748ccb557c18 100644
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -230,7 +230,10 @@ static ssize_t demote_rq_store(struct gfs2_sbd *sdp, const char *buf, size_t len
if (gltype > LM_TYPE_JOURNAL)
return -EINVAL;
- glops = gfs2_glops_list[gltype];
+ if (gltype == LM_TYPE_NONDISK && glnum == GFS2_TRANS_LOCK)
+ glops = &gfs2_trans_glops;
+ else
+ glops = gfs2_glops_list[gltype];
if (glops == NULL)
return -EINVAL;
if (!test_and_set_bit(SDF_DEMOTE, &sdp->sd_flags))