Fix log block mapper
 

From: Steven Whitehouse <swhiteho@redhat.com>

A missing offset in the calculation.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 0833e27..40c51bf 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -336,7 +336,7 @@ static u64 log_bmap(struct gfs2_sbd *sdp, unsigned int lbn)

list_for_each_entry(je, &sdp->sd_jdesc->extent_list, extent_list) {
if (lbn >= je->lblock && lbn < je->lblock + je->blocks)
- return je->dblock + lbn;
+ return je->dblock + lbn - je->lblock;
}

return -1;
--
1.5.1.2