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authorLinus Torvalds <torvalds@linux-foundation.org>2008-09-19 16:02:52 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-09-19 16:02:52 -0700
commit79d57ab98b7bc32e5bb20683814cfb76dbb54a9e (patch)
treeabd4438990d6215cfabd2d780061ee0025f6f1c4
parenta19eee5e5e8b11b4a37490f1272d9509dcfcb263 (diff)
parent9744197c3d7b329590c2be33ad7b17409bd798fe (diff)
Merge branch 'for-linus' of git://neil.brown.name/md
* 'for-linus' of git://neil.brown.name/md: md: Don't wait UNINTERRUPTIBLE for other resync to finish
-rw-r--r--drivers/md/md.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 4790c83d78d..deeac4b4417 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5761,7 +5761,11 @@ void md_do_sync(mddev_t *mddev)
* time 'round when curr_resync == 2
*/
continue;
- prepare_to_wait(&resync_wait, &wq, TASK_UNINTERRUPTIBLE);
+ /* We need to wait 'interruptible' so as not to
+ * contribute to the load average, and not to
+ * be caught by 'softlockup'
+ */
+ prepare_to_wait(&resync_wait, &wq, TASK_INTERRUPTIBLE);
if (!kthread_should_stop() &&
mddev2->curr_resync >= mddev->curr_resync) {
printk(KERN_INFO "md: delaying %s of %s"
@@ -5769,6 +5773,8 @@ void md_do_sync(mddev_t *mddev)
" share one or more physical units)\n",
desc, mdname(mddev), mdname(mddev2));
mddev_put(mddev2);
+ if (signal_pending(current))
+ flush_signals(current);
schedule();
finish_wait(&resync_wait, &wq);
goto try_again;