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bcache: stop moving_gc marking buckets that can't be moved.
author
Nicholas Swenson
<nks@daterainc.com>
Thu, 23 Jan 2014 23:21:02 +0000
(15:21 -0800)
committer
Kent Overstreet
<kmo@daterainc.com>
Tue, 18 Mar 2014 19:22:34 +0000
(12:22 -0700)
Signed-off-by: Nicholas Swenson <nks@daterainc.com>
drivers/md/bcache/movinggc.c
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diff --git
a/drivers/md/bcache/movinggc.c
b/drivers/md/bcache/movinggc.c
index 5e8e58701d37ec45d494a0f7f336316f3428bfc2..cd7490311e518b9139db7d95818111685d52f0fa 100644
(file)
--- a/
drivers/md/bcache/movinggc.c
+++ b/
drivers/md/bcache/movinggc.c
@@
-215,7
+215,10
@@
void bch_moving_gc(struct cache_set *c)
ca->heap.used = 0;
for_each_bucket(b, ca) {
- if (!GC_SECTORS_USED(b))
+ if (GC_MARK(b) == GC_MARK_METADATA ||
+ !GC_SECTORS_USED(b) ||
+ GC_SECTORS_USED(b) == ca->sb.bucket_size ||
+ atomic_read(&b->pin))
continue;
if (!heap_full(&ca->heap)) {
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