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[PATCH] knfsd: convert sk_reserved to atomic_t

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Convert the svc_sock->sk_reserved variable from an int protected by
svc_serv->sv_lock, to an atomic.  This reduces (by 1) the number of places we
need to take the (effectively global) svc_serv->sv_lock.

Signed-off-by: Greg Banks <gnb@melbourne.sgi.com>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Greg Banks
2006-10-02 02:17:56 -07:00
committed by Linus Torvalds
parent 1a68d952af
commit 5685f0fa1c
2 changed files with 6 additions and 8 deletions
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2
include/linux/sunrpc/svcsock.h
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@@ -34,7 +34,7 @@ struct svc_sock {
#define SK_OLD 9 /* used for temp socket aging mark+sweep */
#define SK_DETACHED 10 /* detached from tempsocks list */
int sk_reserved; /* space on outq that is reserved */
atomic_t sk_reserved; /* space on outq that is reserved */
spinlock_t sk_defer_lock; /* protects sk_deferred */
struct list_head sk_deferred; /* deferred requests that need to