path: root/fs/ocfs2/dlm/dlmdomain.c
diff options
authorJoseph Qi <joseph.qi@huawei.com>2015-11-05 18:44:13 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-11-05 19:34:48 -0800
commit5afc44e2e9678c0808211f1662732b368cc25f76 (patch)
treed1df3e1c3be0cf79596ca3c8e67035c9a26974b3 /fs/ocfs2/dlm/dlmdomain.c
parentocfs2: should reclaim the inode if '__ocfs2_mknod_locked' returns an error (diff)
ocfs2: add uuid to ocfs2 thread name for problem analysis
A node can mount multiple ocfs2 volumes. And if thread names are same for each volume/domain, it will bring inconvenience when analyzing problems because we have to identify which volume/domain the messages belong to. Since thread name will be printed to messages, so add volume uuid or dlm name to thread name can benefit problem analysis. Signed-off-by: Joseph Qi <joseph.qi@huawei.com> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Gang He <ghe@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c
index 6918f30d02cd..2ee7fe747cea 100644
--- a/fs/ocfs2/dlm/dlmdomain.c
+++ b/fs/ocfs2/dlm/dlmdomain.c
@@ -1866,6 +1866,7 @@ static int dlm_join_domain(struct dlm_ctxt *dlm)
int status;
unsigned int backoff;
unsigned int total_backoff = 0;
+ char wq_name[O2NM_MAX_NAME_LEN];
@@ -1895,7 +1896,8 @@ static int dlm_join_domain(struct dlm_ctxt *dlm)
goto bail;
- dlm->dlm_worker = create_singlethread_workqueue("dlm_wq");
+ snprintf(wq_name, O2NM_MAX_NAME_LEN, "dlm_wq-%s", dlm->name);
+ dlm->dlm_worker = create_singlethread_workqueue(wq_name);
if (!dlm->dlm_worker) {
status = -ENOMEM;