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Date: Wed, 1 Apr 2009 19:10:01 -0400
From: David Howells <dhowells@...hat.com>
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>From dhowells Thu Apr 2 00: 05:30 2009
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From: David Howells <dhowells@...hat.com>
Subject: [PATCH 21/43] CacheFiles: Be consistent about the use of mapping vs
file->f_mapping in Ext3 [ver #46]
To: viro@...IV.linux.org.uk
Cc: dhowells@...hat.com, nfsv4@...ux-nfs.org,
linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Date: Thu, 02 Apr 2009 00:05:10 +0100
Message-ID: <20090401230510.28177.98253.stgit@...thog.procyon.org.uk>
In-Reply-To: <20090401230321.28177.12010.stgit@...thog.procyon.org.uk>
References: <20090401230321.28177.12010.stgit@...thog.procyon.org.uk>
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Resent-Date: Thu, 02 Apr 2009 00:10:00 +0100
Resent-Message-ID: <29219.1238627400@...hat.com>
Resent-From: David Howells <dhowells@...hat.com>
Change all the usages of file->f_mapping in ext3_*write_end() functions to use
the mapping argument directly. This has two consequences:
(*) Consistency. Without this patch sometimes one is used and sometimes the
other is.
(*) A NULL file pointer can be passed. This feature is then made use of by
the generic hook in the next patch, which is used by CacheFiles to write
pages to a file without setting up a file struct.
Signed-off-by: David Howells <dhowells@...hat.com>
Acked-by: Steve Dickson <steved@...hat.com>
Acked-by: Trond Myklebust <Trond.Myklebust@...app.com>
---
fs/ext3/inode.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 4a09ff1..d897033 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -1231,7 +1231,7 @@ static int ext3_generic_write_end(struct file *file,
loff_t pos, unsigned len, unsigned copied,
struct page *page, void *fsdata)
{
- struct inode *inode = file->f_mapping->host;
+ struct inode *inode = mapping->host;
copied = block_write_end(file, mapping, pos, len, copied, page, fsdata);
@@ -1256,7 +1256,7 @@ static int ext3_ordered_write_end(struct file *file,
struct page *page, void *fsdata)
{
handle_t *handle = ext3_journal_current_handle();
- struct inode *inode = file->f_mapping->host;
+ struct inode *inode = mapping->host;
unsigned from, to;
int ret = 0, ret2;
@@ -1298,7 +1298,7 @@ static int ext3_writeback_write_end(struct file *file,
struct page *page, void *fsdata)
{
handle_t *handle = ext3_journal_current_handle();
- struct inode *inode = file->f_mapping->host;
+ struct inode *inode = mapping->host;
int ret = 0, ret2;
loff_t new_i_size;
--
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