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bcache: bch_gc_thread() is not freezable
author
Jiri Kosina
<jkosina@suse.cz>
Tue, 24 May 2016 14:38:34 +0000
(16:38 +0200)
committer
Jens Axboe
<axboe@fb.com>
Tue, 24 May 2016 15:00:45 +0000
(09:00 -0600)
bch_gc_thread() doesn't mark itself freezable, so calling try_to_freeze()
in its context is just an expensive no-op.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
drivers/md/bcache/btree.c
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diff --git
a/drivers/md/bcache/btree.c
b/drivers/md/bcache/btree.c
index
22b9e34
..
eab505e
100644
(file)
--- a/
drivers/md/bcache/btree.c
+++ b/
drivers/md/bcache/btree.c
@@
-27,7
+27,6
@@
#include <linux/slab.h>
#include <linux/bitops.h>
-#include <linux/freezer.h>
#include <linux/hash.h>
#include <linux/kthread.h>
#include <linux/prefetch.h>
@@
-1787,7
+1786,6
@@
again:
mutex_unlock(&c->bucket_lock);
- try_to_freeze();
schedule();
}