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authorSteven Whitehouse <swhiteho@redhat.com>2006-10-11 13:34:59 -0400
committerSteven Whitehouse <swhiteho@redhat.com>2006-10-12 17:10:55 -0400
commitfe1a698ffef5af546dd4a8cd6a1f2f202491c4ef (patch)
tree6e4bcc487487e2b751e40ef5e531be08e8630419
parent1ee48af22ed6dcddea8cdf93c7f2a268cbcf0d56 (diff)
[GFS2] Fix bug where lock not held
The log lock needs to be held when manipulating the counter for the number of free journal blocks. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
-rw-r--r--fs/gfs2/log.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 554fe5bd1b7..72eec6542d6 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -569,16 +569,15 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl)
else if (sdp->sd_log_tail != current_tail(sdp) && !sdp->sd_log_idle)
log_write_header(sdp, 0, PULL);
lops_after_commit(sdp, ai);
- sdp->sd_log_head = sdp->sd_log_flush_head;
+ gfs2_log_lock(sdp);
+ sdp->sd_log_head = sdp->sd_log_flush_head;
sdp->sd_log_blks_free -= sdp->sd_log_num_hdrs;
-
sdp->sd_log_blks_reserved = 0;
sdp->sd_log_commited_buf = 0;
sdp->sd_log_num_hdrs = 0;
sdp->sd_log_commited_revoke = 0;
- gfs2_log_lock(sdp);
if (!list_empty(&ai->ai_ail1_list)) {
list_add(&ai->ai_list, &sdp->sd_ail1_list);
ai = NULL;