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bcache: Convert allocator thread to kthread

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Using a workqueue when we just want a single thread is a bit silly.

Signed-off-by: Kent Overstreet <koverstreet@google.com>
This commit is contained in:
Kent Overstreet
2013-04-24 19:01:12 -07:00
parent a9dd53adbb
commit 119ba0f828
4 changed files with 43 additions and 33 deletions
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6
drivers/md/bcache/btree.c
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@@ -273,7 +273,7 @@ static void btree_complete_write(struct btree *b, struct btree_write *w)
{
if (w->prio_blocked &&
!atomic_sub_return(w->prio_blocked, &b->c->prio_blocked))
wake_up(&b->c->alloc_wait);
wake_up_allocators(b->c);
if (w->journal) {
atomic_dec_bug(w->journal);
@@ -984,7 +984,7 @@ static void btree_node_free(struct btree *b, struct btree_op *op)
if (b->prio_blocked &&
!atomic_sub_return(b->prio_blocked, &b->c->prio_blocked))
wake_up(&b->c->alloc_wait);
wake_up_allocators(b->c);
b->prio_blocked = 0;
@@ -1547,7 +1547,7 @@ static void bch_btree_gc(struct closure *cl)
blktrace_msg_all(c, "Finished gc");
trace_bcache_gc_end(c->sb.set_uuid);
wake_up(&c->alloc_wait);
wake_up_allocators(c);
continue_at(cl, bch_moving_gc, bch_gc_wq);
}