linux-kernel - [PATCH 1/2] AFS: Fix afs_prepare

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Message-ID: <20070515155224.29345.22719.stgit@warthog.cambridge.redhat.com>
Date:	Tue, 15 May 2007 16:52:24 +0100
From:	David Howells <dhowells@...hat.com>
To:	akpm@...l.org, nickpiggin@...oo.com.au
Cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	dhowells@...hat.com
Subject: [PATCH 1/2] AFS: Fix afs_prepare_write()

afs_prepare_write() should not mark a page up to date if it only partially
fills it in, in expectation of the caller filling in the rest prior to calling
commit_write().  commit_write(), however, should mark the page up to date.

Signed-off-by: David Howells <dhowells@...hat.com>
---

 fs/afs/write.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/fs/afs/write.c b/fs/afs/write.c
index 28f3751..a03b92a 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -206,7 +206,6 @@ int afs_prepare_write(struct file *file, struct page *page,
 			_leave(" = %d [prep]", ret);
 			return ret;
 		}
-		SetPageUptodate(page);
 	}
 
 try_again:
@@ -311,8 +310,8 @@ int afs_commit_write(struct file *file, struct page *page,
 		spin_unlock(&vnode->writeback_lock);
 	}
 
+	SetPageUptodate(page);
 	set_page_dirty(page);
-
 	if (PageDirty(page))
 		_debug("dirtied");
 

-
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