linux-kernel - [PATCH 03/18] [PATCH] BLOCK: Stop fallback_migrate_page() from using page_has

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Message-Id: <20060825144923.30722.13280.stgit@warthog.cambridge.redhat.com>
Date:	Fri, 25 Aug 2006 15:49:23 +0100
From:	David Howells <dhowells@...hat.com>
To:	axboe@...nel.dk
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	dhowells@...hat.com
Subject: [PATCH 03/18] [PATCH] BLOCK: Stop fallback_migrate_page() from using page_has_buffers() [try #3]

From: David Howells <dhowells@...hat.com>

Stop fallback_migrate_page() from using page_has_buffers() since that might not
be available.  Use PagePrivate() instead since that's more general.

Signed-Off-By: David Howells <dhowells@...hat.com>
---

 mm/migrate.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/mm/migrate.c b/mm/migrate.c
index 3f1e0c2..0227163 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -525,7 +525,7 @@ static int fallback_migrate_page(struct 
 	 * Buffers may be managed in a filesystem specific way.
 	 * We must have no buffers or drop them.
 	 */
-	if (page_has_buffers(page) &&
+	if (PagePrivate(page) &&
 	    !try_to_release_page(page, GFP_KERNEL))
 		return -EAGAIN;
 
-
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