linux-kernel - [PATCH 2/3] FS-Cache: Reduce cookie ref count if submit fails.

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Date:	Tue, 22 Jul 2014 11:50:58 -0400
From:	Milosz Tanski <milosz@...in.com>
To:	linux-cachefs@...hat.com
CC:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	"David Howells" <dhowells@...hat.com>, "NeilBrown" <neilb@...e.de>,
	"Shantanu Goel" <sgoel01@...oo.com>
Subject: [PATCH 2/3] FS-Cache: Reduce cookie ref count if submit fails.

---
 fs/fscache/object.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/fscache/object.c b/fs/fscache/object.c
index d3b4539..186076b 100644
--- a/fs/fscache/object.c
+++ b/fs/fscache/object.c
@@ -925,6 +925,7 @@ static const struct fscache_state *_fscache_invalidate_object(struct fscache_obj
 {
 	struct fscache_operation *op;
 	struct fscache_cookie *cookie = object->cookie;
+	bool wake_cookie = false;
 
 	_enter("{OBJ%x},%d", object->debug_id, event);
 
@@ -981,7 +982,10 @@ nomem:
 
 submit_op_failed:
 	clear_bit(FSCACHE_OBJECT_IS_LIVE, &object->flags);
+	wake_cookie = __fscache_unuse_cookie(cookie);
 	spin_unlock(&cookie->lock);
+	if (wake_cookie)
+		__fscache_wake_unused_cookie(cookie);
 	kfree(op);
 	_leave(" [EIO]");
 	return transit_to(KILL_OBJECT);
-- 
1.7.9.5


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