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[PATCH] knfsd: use new lock for svc_sock deferred list

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Protect the svc_sock->sk_deferred list with a new lock svc_sock->sk_defer_lock
instead of svc_serv->sv_lock.  Using the more fine-grained lock reduces the
number of places we need to take the svc_serv 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 02:17:55 -07:00 • committed by Linus Torvalds
commit 1a68d952af
2 changed files with 7 additions and 6 deletions
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1
include/linux/sunrpc/svcsock.h
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@ -36,6 +36,7 @@ struct svc_sock {
int 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
* be revisted */
struct mutex sk_mutex; /* to serialize sending data */