* [PATCH] set relay file can not be read by pread(2)
@ 2008-03-26 7:44 Lai Jiangshan
2008-03-26 11:01 ` Jens Axboe
0 siblings, 1 reply; 2+ messages in thread
From: Lai Jiangshan @ 2008-03-26 7:44 UTC (permalink / raw)
To: linux-kernel
Hi:
I found that relay files can be read by pread(2). I fix it,
for relay files are not capable of seeking.
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
--- linux-2.6.24/kernel/relay.c.org 2008-01-25 06:58:37.000000000 +0800
+++ linux-2.6.24/kernel/relay.c 2008-03-17 23:53:14.000000000 +0800
@@ -741,7 +741,7 @@ static int relay_file_open(struct inode
kref_get(&buf->kref);
filp->private_data = buf;
- return 0;
+ return nonseekable_open(inode, filp);
}
/**
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] set relay file can not be read by pread(2)
2008-03-26 7:44 [PATCH] set relay file can not be read by pread(2) Lai Jiangshan
@ 2008-03-26 11:01 ` Jens Axboe
0 siblings, 0 replies; 2+ messages in thread
From: Jens Axboe @ 2008-03-26 11:01 UTC (permalink / raw)
To: Lai Jiangshan; +Cc: linux-kernel
On Wed, Mar 26 2008, Lai Jiangshan wrote:
> Hi:
> I found that relay files can be read by pread(2). I fix it,
> for relay files are not capable of seeking.
>
> Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
>
> --- linux-2.6.24/kernel/relay.c.org 2008-01-25 06:58:37.000000000 +0800
> +++ linux-2.6.24/kernel/relay.c 2008-03-17 23:53:14.000000000 +0800
> @@ -741,7 +741,7 @@ static int relay_file_open(struct inode
> kref_get(&buf->kref);
> filp->private_data = buf;
>
> - return 0;
> + return nonseekable_open(inode, filp);
> }
>
> /**
Good catch. I'll add it for 2.6.25.
--
Jens Axboe
^ permalink raw reply [flat|nested] 2+ messages in thread
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2008-03-26 7:44 [PATCH] set relay file can not be read by pread(2) Lai Jiangshan
2008-03-26 11:01 ` Jens Axboe
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