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authorJoseph Qi <joseph.qi@huawei.com>2015-11-06 03:44:13 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2015-11-06 04:34:48 +0100
commit5afc44e2e9678c0808211f1662732b368cc25f76 (patch)
treed1df3e1c3be0cf79596ca3c8e67035c9a26974b3 /fs/ocfs2/dlm/dlmthread.c
parentocfs2: should reclaim the inode if '__ocfs2_mknod_locked' returns an error (diff)
downloadlinux-5afc44e2e9678c0808211f1662732b368cc25f76.tar.xz
linux-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/dlmthread.c')
-rw-r--r--fs/ocfs2/dlm/dlmthread.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/ocfs2/dlm/dlmthread.c b/fs/ocfs2/dlm/dlmthread.c
index 2e5e6d5fffe8..c5f6c241ecd7 100644
--- a/fs/ocfs2/dlm/dlmthread.c
+++ b/fs/ocfs2/dlm/dlmthread.c
@@ -493,7 +493,8 @@ int dlm_launch_thread(struct dlm_ctxt *dlm)
{
mlog(0, "Starting dlm_thread...\n");
- dlm->dlm_thread_task = kthread_run(dlm_thread, dlm, "dlm_thread");
+ dlm->dlm_thread_task = kthread_run(dlm_thread, dlm, "dlm-%s",
+ dlm->name);
if (IS_ERR(dlm->dlm_thread_task)) {
mlog_errno(PTR_ERR(dlm->dlm_thread_task));
dlm->dlm_thread_task = NULL;