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[NET]: Add the helper kernel_sock_shutdown()

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...and fix a couple of bugs in the NBD, CIFS and OCFS2 socket handlers.

Looking at the sock->op->shutdown() handlers, it looks as if all of them
take a SHUT_RD/SHUT_WR/SHUT_RDWR argument instead of the
RCV_SHUTDOWN/SEND_SHUTDOWN arguments.
Add a helper, and then define the SHUT_* enum to ensure that kernel users
of shutdown() don't get confused.

Signed-off-by: Trond Myklebust <[email protected]>
Acked-by: Mark Fasheh <[email protected]>
Acked-by: David Howells <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Trond Myklebust 2007-11-12 18:10:39 -08:00 • committed by David S. Miller
commit 91cf45f02a
6 changed files with 21 additions and 6 deletions
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3
drivers/block/nbd.c
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@ -28,6 +28,7 @@
#include <linux/err.h>
#include <linux/kernel.h>
#include <net/sock.h>
#include <linux/net.h>
#include <asm/uaccess.h>
#include <asm/system.h>
@ -126,7 +127,7 @@ static void sock_shutdown(struct nbd_device *lo, int lock)
if (lo->sock) {
printk(KERN_WARNING "%s: shutting down socket\n",
lo->disk->disk_name);
lo->sock->ops->shutdown(lo->sock, SEND_SHUTDOWN|RCV_SHUTDOWN);
kernel_sock_shutdown(lo->sock, SHUT_RDWR);
lo->sock = NULL;
}
if (lock)