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From: Fengguang Wu <wfg@mail.ustc.edu.cn>
To: Al Viro <viro@ftp.linux.org.uk>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>,
	akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
	Randy Dunlap <rddunlap@osdl.org>,
	Martin Bligh <mbligh@google.com>
Subject: Re: [patch 2/2] Sort module list by pointer address to get coherent sleepable seq_file iterators
Date: Wed, 15 Aug 2007 16:46:25 +0800	[thread overview]
Message-ID: <387167585.28892@ustc.edu.cn> (raw)
Message-ID: <20070815084625.GA18892@mail.ustc.edu.cn> (raw)
In-Reply-To: <20070815065301.GK21089@ftp.linux.org.uk>

Al Viro,

Does this sounds like a good fix?
===

seq_file version fixes

- f_version is 'unsigned long', it's pointless to do more than that.
- m->version should not be reset when we are bumping up the buf size.

Signed-off-by: Fengguang Wu <wfg@mail.ustc.edu.cn>
---
 fs/seq_file.c            |    1 -
 include/linux/seq_file.h |    2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

--- linux-2.6.23-rc3.orig/include/linux/seq_file.h
+++ linux-2.6.23-rc3/include/linux/seq_file.h
@@ -18,7 +18,7 @@ struct seq_file {
 	size_t from;
 	size_t count;
 	loff_t index;
-	loff_t version;
+	unsigned long version;
 	struct mutex lock;
 	const struct seq_operations *op;
 	void *private;
--- linux-2.6.23-rc3.orig/fs/seq_file.c
+++ linux-2.6.23-rc3/fs/seq_file.c
@@ -134,7 +134,6 @@ ssize_t seq_read(struct file *file, char
 		if (!m->buf)
 			goto Enomem;
 		m->count = 0;
-		m->version = 0;
 	}
 	m->op->stop(m, p);
 	m->count = 0;


  parent reply	other threads:[~2007-08-15  8:46 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-08-12 15:08 [patch 0/2] Sorted seq_file Mathieu Desnoyers
2007-08-12 15:08 ` [patch 1/2] Seq_file add support for sorted list Mathieu Desnoyers
2007-08-12 15:08 ` [patch 2/2] Sort module list by pointer address to get coherent sleepable seq_file iterators Mathieu Desnoyers
     [not found]   ` <20070815033945.GA13134@mail.ustc.edu.cn>
2007-08-15  3:39     ` Fengguang Wu
2007-08-15  4:18     ` Al Viro
     [not found]       ` <20070815063741.GB5175@mail.ustc.edu.cn>
2007-08-15  6:37         ` Fengguang Wu
2007-08-15  6:53         ` Al Viro
     [not found]           ` <20070815083645.GA6544@mail.ustc.edu.cn>
2007-08-15  8:36             ` Fengguang Wu
     [not found]           ` <20070815084625.GA18892@mail.ustc.edu.cn>
2007-08-15  8:46             ` Fengguang Wu [this message]
2007-08-18 15:56             ` Mathieu Desnoyers
2007-08-18 16:09             ` [PATCH] Fix f_version type: should be u64 instead of unsigned long Mathieu Desnoyers
2007-08-24 15:39           ` [PATCH] Sort module list - use ppos instead of m->private Mathieu Desnoyers
2007-08-24 23:34             ` Andrew Morton
2007-08-25  0:05               ` Mathieu Desnoyers
  -- strict thread matches above, loose matches on Subject: below --
2007-08-20 20:26 [patch 0/2] Sort module list Mathieu Desnoyers
2007-08-20 20:26 ` [patch 2/2] Sort module list by pointer address to get coherent sleepable seq_file iterators Mathieu Desnoyers
2007-08-21  0:08   ` Rusty Russell
2007-08-24 15:45     ` Mathieu Desnoyers
2007-08-25 21:44       ` Rusty Russell
2007-08-25 21:53         ` Mathieu Desnoyers
2007-08-27 16:02 [patch 0/2] Sort module list for /proc/modules seq file reads Mathieu Desnoyers
2007-08-27 16:02 ` [patch 2/2] Sort module list by pointer address to get coherent sleepable seq_file iterators Mathieu Desnoyers
2007-09-06 20:05 [patch 0/2] Sort module list for /proc/modules Mathieu Desnoyers
2007-09-06 20:05 ` [patch 2/2] Sort module list by pointer address to get coherent sleepable seq_file iterators Mathieu Desnoyers
2007-09-17 18:43 [patch 0/2] Sort module list Mathieu Desnoyers
2007-09-17 18:43 ` [patch 2/2] Sort module list by pointer address to get coherent sleepable seq_file iterators Mathieu Desnoyers
2007-09-18 21:09 [patch 0/2] Sorted Module List for 2.6.23-rc6-mm1 Mathieu Desnoyers
2007-09-18 21:09 ` [patch 2/2] Sort module list by pointer address to get coherent sleepable seq_file iterators Mathieu Desnoyers

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