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set relay file can not be read by pread(2)
author
Lai Jiangshan
<laijs@cn.fujitsu.com>
Wed, 26 Mar 2008 11:01:28 +0000
(12:01 +0100)
committer
Jens Axboe
<jens.axboe@oracle.com>
Wed, 26 Mar 2008 11:01:28 +0000
(12:01 +0100)
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>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
kernel/relay.c
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diff --git
a/kernel/relay.c
b/kernel/relay.c
index
4c035a8
..
ed3f6cf
100644
(file)
--- a/
kernel/relay.c
+++ b/
kernel/relay.c
@@
-736,7
+736,7
@@
static int relay_file_open(struct inode *inode, struct file *filp)
kref_get(&buf->kref);
filp->private_data = buf;
- return
0
;
+ return
nonseekable_open(inode, filp)
;
}
/**