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sunrpc: eliminate the XPT_DETACHED flag 

All it does is indicate whether a xprt has already been deleted from
a list or not, which is unnecessary since we use list_del_init and it's
always set and checked under the sv_lock anyway.

Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
wifi-calibration
Jeff Layton 2014-11-17 17:02:57 -05:00 committed by J. Bruce Fields
parent 56429e9b3b
commit 8d65ef760d
2 changed files with 4 additions and 7 deletions
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7
include/linux/sunrpc/svc_xprt.h
View File

@ -63,10 +63,9 @@ struct svc_xprt {
#define XPT_CHNGBUF 7 /* need to change snd/rcv buf sizes */
#define XPT_DEFERRED 8 /* deferred request pending */
#define XPT_OLD 9 /* used for xprt aging mark+sweep */
#define XPT_DETACHED 10 /* detached from tempsocks list */
#define XPT_LISTENER 11 /* listening endpoint */
#define XPT_CACHE_AUTH 12 /* cache auth info */
#define XPT_LOCAL 13 /* connection from loopback interface */
#define XPT_LISTENER 10 /* listening endpoint */
#define XPT_CACHE_AUTH 11 /* cache auth info */
#define XPT_LOCAL 12 /* connection from loopback interface */
struct svc_serv *xpt_server; /* service for transport */
atomic_t xpt_reserved; /* space on outq that is rsvd */

4
net/sunrpc/svc_xprt.c
View File

@ -884,7 +884,6 @@ static void svc_age_temp_xprts(unsigned long closure)
continue;
list_del_init(le);
set_bit(XPT_CLOSE, &xprt->xpt_flags);
set_bit(XPT_DETACHED, &xprt->xpt_flags);
dprintk("queuing xprt %p for closing\n", xprt);
/* a thread will dequeue and close it soon */
@ -924,8 +923,7 @@ static void svc_delete_xprt(struct svc_xprt *xprt)
xprt->xpt_ops->xpo_detach(xprt);
spin_lock_bh(&serv->sv_lock);
if (!test_and_set_bit(XPT_DETACHED, &xprt->xpt_flags))
list_del_init(&xprt->xpt_list);
list_del_init(&xprt->xpt_list);
WARN_ON_ONCE(!list_empty(&xprt->xpt_ready));
if (test_bit(XPT_TEMP, &xprt->xpt_flags))
serv->sv_tmpcnt--;