diff options
| author |   Joseph Qi <joseph.qi@huawei.com> | 2015-11-05 18:44:13 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2015-11-05 19:34:48 -0800 |
| commit | 5afc44e2e9678c0808211f1662732b368cc25f76 (patch) | |
| tree | d1df3e1c3be0cf79596ca3c8e67035c9a26974b3 /fs/ocfs2/dlm/dlmdomain.c | |
| parent | ocfs2: should reclaim the inode if '__ocfs2_mknod_locked' returns an error (diff) | |
| download | linux-dev-5afc44e2e9678c0808211f1662732b368cc25f76.tar.xz linux-dev-5afc44e2e9678c0808211f1662732b368cc25f76.zip | |
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 'fs/ocfs2/dlm/dlmdomain.c')
| -rw-r--r-- | fs/ocfs2/dlm/dlmdomain.c | 4 |
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]; BUG_ON(!dlm); @@ -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; mlog_errno(status); |