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From: Nate Diller <nate.diller@gmail.com>
To: Andrew Morton <akpm@osdl.org>, Alexander Viro <viro@zeniv.linux.org.uk>
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: [PATCH 2/13] affs: use zero_user_page
Date: Tue, 10 Apr 2007 20:36:00 -0700	[thread overview]
Message-ID: <20070411033600.11000.45155.patchbomb.py@localhost> (raw)
In-Reply-To: <20070411033600.11000.38285.patchbomb.py@localhost>

Use zero_user_page() instead of open-coding it.

Signed-off-by: Nate Diller <nate.diller@gmail.com>

---

diff -urpN -X dontdiff linux-2.6.21-rc6-mm1/fs/affs/file.c linux-2.6.21-rc6-mm1-test/fs/affs/file.c
--- linux-2.6.21-rc6-mm1/fs/affs/file.c	2007-04-09 17:23:48.000000000 -0700
+++ linux-2.6.21-rc6-mm1-test/fs/affs/file.c	2007-04-09 18:18:23.000000000 -0700
@@ -628,11 +628,7 @@ static int affs_prepare_write_ofs(struct
 			return err;
 	}
 	if (to < PAGE_CACHE_SIZE) {
-		char *kaddr = kmap_atomic(page, KM_USER0);
-
-		memset(kaddr + to, 0, PAGE_CACHE_SIZE - to);
-		flush_dcache_page(page);
-		kunmap_atomic(kaddr, KM_USER0);
+		zero_user_page(page, to, PAGE_CACHE_SIZE - to);
 		if (size > offset + to) {
 			if (size < offset + PAGE_CACHE_SIZE)
 				tmp = size & ~PAGE_CACHE_MASK;

  parent reply	other threads:[~2007-04-11  3:41 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-04-11  3:36 [PATCH 1/13] fs: convert core functions to zero_user_page Nate Diller
2007-04-11  3:36 ` [PATCH 10/13] reiser4: use zero_user_page Nate Diller
2007-04-11  3:36 ` [PATCH 7/13] nfs: " Nate Diller
2007-04-11  3:36 ` [PATCH 4/13] ext3: " Nate Diller
2007-04-11  3:36 ` [PATCH 8/13] ntfs: " Nate Diller
2007-04-11  3:36 ` [PATCH 6/13] gfs2: " Nate Diller
2007-04-11  3:36 ` [PATCH 9/13] ocfs2: " Nate Diller
2007-04-11  3:36 ` [PATCH 11/13] reiserfs: " Nate Diller
2007-04-11  3:36 ` [PATCH 3/13] ecryptfs: " Nate Diller
2007-04-11  3:36 ` [PATCH 5/13] ext4: " Nate Diller
2007-04-11  4:14   ` Andreas Dilger
2007-04-11  3:36 ` [PATCH 12/13] xfs: " Nate Diller
2007-04-11  3:36 ` [PATCH 13/13] fs: deprecate memclear_highpage_flush Nate Diller
2007-04-11  5:58   ` Andrew Morton
2007-04-11  3:36 ` Nate Diller [this message]
2007-04-11  5:56 ` [PATCH 1/13] fs: convert core functions to zero_user_page Andrew Morton
2007-04-11  6:14   ` Nate Diller
2007-04-11 14:54   ` Jörn Engel
2007-04-11 14:54     ` Jörn Engel

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