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authorJoseph Qi <joseph.qi@huawei.com>2015-11-06 05:44:13 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2015-11-06 06:34:48 +0300
commit5afc44e2e9678c0808211f1662732b368cc25f76 (patch)
treed1df3e1c3be0cf79596ca3c8e67035c9a26974b3 /fs/ocfs2/journal.c
parentb1529a41f777a48f95d4af29668b70ffe3360e1b (diff)
downloadlinux-5afc44e2e9678c0808211f1662732b368cc25f76.tar.xz
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/journal.c')
-rw-r--r--fs/ocfs2/journal.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index 04d6303f39a7..13534f4fe5b5 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -1090,7 +1090,7 @@ int ocfs2_journal_load(struct ocfs2_journal *journal, int local, int replayed)
/* Launch the commit thread */
if (!local) {
osb->commit_task = kthread_run(ocfs2_commit_thread, osb,
- "ocfs2cmt");
+ "ocfs2cmt-%s", osb->uuid_str);
if (IS_ERR(osb->commit_task)) {
status = PTR_ERR(osb->commit_task);
osb->commit_task = NULL;
@@ -1507,7 +1507,7 @@ void ocfs2_recovery_thread(struct ocfs2_super *osb, int node_num)
goto out;
osb->recovery_thread_task = kthread_run(__ocfs2_recovery_thread, osb,
- "ocfs2rec");
+ "ocfs2rec-%s", osb->uuid_str);
if (IS_ERR(osb->recovery_thread_task)) {
mlog_errno((int)PTR_ERR(osb->recovery_thread_task));
osb->recovery_thread_task = NULL;