From: Nate Diller <nate.diller@gmail.com>
To: Andrew Morton <akpm@osdl.org>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Christoph Hellwig <hch@infradead.org>,
Roman Zippel <zippel@linux-m68k.org>,
Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>,
David Woodhouse <dwmw2@infradead.org>,
Dave Kleikamp <shaggy@austin.ibm.com>,
Anton Altaparmakov <aia21@cantab.net>,
Evgeniy Dushistov <dushistov@mail.ru>
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
reiserfs-dev@namesys.com
Subject: [PATCH 8/17] jfs: use locking read_mapping_page
Date: Wed, 11 Apr 2007 19:49:38 -0700 [thread overview]
Message-ID: <20070412024938.27380.3762.patchbomb.py@localhost> (raw)
In-Reply-To: <20070412024938.27380.54538.patchbomb.py@localhost>
Use the new locking variant of read_mapping_page to avoid doing extra work.
Signed-off-by: Nate Diller <nate.diller@gmail.com>
---
diff -urpN -X dontdiff linux-2.6.21-rc6-mm1/fs/jfs/jfs_metapage.c linux-2.6.21-rc6-mm1-test/fs/jfs/jfs_metapage.c
--- linux-2.6.21-rc6-mm1/fs/jfs/jfs_metapage.c 2007-04-09 17:23:48.000000000 -0700
+++ linux-2.6.21-rc6-mm1-test/fs/jfs/jfs_metapage.c 2007-04-09 21:37:09.000000000 -0700
@@ -632,12 +632,11 @@ struct metapage *__get_metapage(struct i
}
SetPageUptodate(page);
} else {
- page = read_mapping_page(mapping, page_index, NULL);
- if (IS_ERR(page) || !PageUptodate(page)) {
+ page = __read_mapping_page(mapping, page_index, NULL);
+ if (IS_ERR(page)) {
jfs_err("read_mapping_page failed!");
return NULL;
}
- lock_page(page);
}
mp = page_to_mp(page, page_offset);
next prev parent reply other threads:[~2007-04-12 2:52 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-12 2:49 [PATCH 0/17] fs: cleanup single page synchronous read interface Nate Diller
2007-04-12 2:49 ` [PATCH 4/17] ext2: convert ext2_get_page to read_kmap_page Nate Diller
2007-04-12 2:49 ` [PATCH 9/17] minix: convert dir_get_page " Nate Diller
2007-04-12 2:49 ` [PATCH 3/17] afs: convert afs_dir_get_page " Nate Diller
2007-04-12 10:58 ` David Howells
2007-04-12 18:23 ` Nate Diller
2007-04-12 18:57 ` David Howells
2007-04-12 19:21 ` Andrew Morton
2007-04-12 19:29 ` David Howells
2007-07-16 6:05 ` Drop patch update-isdn-tree-to-use-pci_get_device.patch from -mm tree Surya Prabhakar N
2007-04-12 19:27 ` [PATCH 3/17] afs: convert afs_dir_get_page to read_kmap_page Nate Diller
2007-04-12 19:43 ` David Howells
2007-04-12 2:49 ` [PATCH 2/17] fs: introduce new read_cache_page interface Nate Diller
2007-04-12 2:49 ` [PATCH 12/17] partition: remove redundant read_mapping_page error checks Nate Diller
2007-04-12 2:49 ` [PATCH 7/17] jffs2: convert jffs2_gc_fetch_page to read_cache_page Nate Diller
2007-04-12 11:40 ` Phillip Lougher
2007-04-12 18:29 ` Nate Diller
2007-04-12 18:53 ` Phillip Lougher
2007-04-15 10:52 ` David Woodhouse
2007-04-12 2:49 ` [PATCH 5/17] hfsplus: remove redundant read_mapping_page error check Nate Diller
2007-04-12 2:49 ` [PATCH 17/17] vxfs: convert vxfs_get_page to read_kmap_page Nate Diller
2007-04-12 2:49 ` [PATCH 6/17] hfs: remove redundant read_mapping_page error check Nate Diller
2007-04-12 2:49 ` [PATCH 1/17] cramfs: use read_mapping_page Nate Diller
2007-04-12 9:54 ` Christoph Hellwig
2007-04-12 11:26 ` Roman Zippel
2007-04-12 18:36 ` Nate Diller
2007-04-12 2:49 ` [PATCH 13/17] reiser4: remove redundant read_mapping_page error checks Nate Diller
2007-04-12 2:49 ` [PATCH 15/17] sysv: convert dir_get_page to read_kmap_page Nate Diller
2007-04-12 2:49 ` [PATCH 14/17] reiserfs: convert reiserfs_get_page " Nate Diller
2007-04-12 2:49 ` [PATCH 10/17] mtd: convert page_read " Nate Diller
2007-04-12 2:49 ` [PATCH 16/17] ufs: convert ufs_get_page " Nate Diller
2007-04-12 2:49 ` Nate Diller [this message]
2007-04-12 2:49 ` [PATCH 11/17] ntfs: convert ntfs_map_page " Nate Diller
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