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drbd: Remove an useless copy of kernel_setsockopt() 

Old backward-compat cruft

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Philipp Reisner 2014-11-10 17:21:15 +01:00 committed by Jens Axboe
parent 9581f97a68
commit e805b983d3
1 changed files with 4 additions and 25 deletions
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29
drivers/block/drbd/drbd_int.h
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@ -1557,52 +1557,31 @@ extern void drbd_set_recv_tcq(struct drbd_device *device, int tcq_enabled);
extern void _drbd_clear_done_ee(struct drbd_device *device, struct list_head *to_be_freed);
extern int drbd_connected(struct drbd_peer_device *);
/* Yes, there is kernel_setsockopt, but only since 2.6.18.
* So we have our own copy of it here. */
static inline int drbd_setsockopt(struct socket *sock, int level, int optname,
char *optval, int optlen)
{
mm_segment_t oldfs = get_fs();
char __user *uoptval;
int err;
uoptval = (char __user __force *)optval;
set_fs(KERNEL_DS);
if (level == SOL_SOCKET)
err = sock_setsockopt(sock, level, optname, uoptval, optlen);
else
err = sock->ops->setsockopt(sock, level, optname, uoptval,
optlen);
set_fs(oldfs);
return err;
}
static inline void drbd_tcp_cork(struct socket *sock)
{
int val = 1;
(void) drbd_setsockopt(sock, SOL_TCP, TCP_CORK,
(void) kernel_setsockopt(sock, SOL_TCP, TCP_CORK,
(char*)&val, sizeof(val));
}
static inline void drbd_tcp_uncork(struct socket *sock)
{
int val = 0;
(void) drbd_setsockopt(sock, SOL_TCP, TCP_CORK,
(void) kernel_setsockopt(sock, SOL_TCP, TCP_CORK,
(char*)&val, sizeof(val));
}
static inline void drbd_tcp_nodelay(struct socket *sock)
{
int val = 1;
(void) drbd_setsockopt(sock, SOL_TCP, TCP_NODELAY,
(void) kernel_setsockopt(sock, SOL_TCP, TCP_NODELAY,
(char*)&val, sizeof(val));
}
static inline void drbd_tcp_quickack(struct socket *sock)
{
int val = 2;
(void) drbd_setsockopt(sock, SOL_TCP, TCP_QUICKACK,
(void) kernel_setsockopt(sock, SOL_TCP, TCP_QUICKACK,
(char*)&val, sizeof(val));
}