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authorThomas Gleixner <tglx@linutronix.de>2017-02-16 19:51:27 +0100
committerThomas Gleixner <tglx@linutronix.de>2017-02-16 19:51:27 +0100
commit5b1ad68f9b1951ef78312d2935906cc8a8bd2e12 (patch)
treee81b71c961e885cef0d3992e083acec845166870 /drivers/md/md.c
parent1013fe32a63d1139b1b32049ea46c0c462738d8b (diff)
parent7089db84e356562f8ba737c29e472cc42d530dbc (diff)
Merge branch 'linus' into x86/mm
Make sure to get the latest fixes before applying the ptdump enhancements.
Diffstat (limited to 'drivers/md/md.c')
-rw-r--r--drivers/md/md.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 82821ee0d57f..01175dac0db6 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5291,6 +5291,11 @@ int md_run(struct mddev *mddev)
if (start_readonly && mddev->ro == 0)
mddev->ro = 2; /* read-only, but switch on first write */
+ /*
+ * NOTE: some pers->run(), for example r5l_recovery_log(), wakes
+ * up mddev->thread. It is important to initialize critical
+ * resources for mddev->thread BEFORE calling pers->run().
+ */
err = pers->run(mddev);
if (err)
pr_warn("md: pers->run() failed ...\n");