The patch titled
knfsd: add svc_get
has been removed from the -mm tree. Its filename is
knfsd-add-svc_get.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: knfsd: add svc_get
From: Greg Banks <gnb@xxxxxxxxxxxxxxxxx>
add svc_get() for those occasions when we need to temporarily bump up
svc_serv->sv_nrthreads as a pseudo refcount.
Signed-off-by: Greg Banks <gnb@xxxxxxxxxxxxxxxxx>
Signed-off-by: Neil Brown <neilb@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
fs/nfsd/nfssvc.c | 2 +-
include/linux/sunrpc/svc.h | 11 +++++++++++
2 files changed, 12 insertions(+), 1 deletion(-)
diff -puN fs/nfsd/nfssvc.c~knfsd-add-svc_get fs/nfsd/nfssvc.c
--- a/fs/nfsd/nfssvc.c~knfsd-add-svc_get
+++ a/fs/nfsd/nfssvc.c
@@ -200,7 +200,7 @@ int nfsd_create_serv(void)
int err = 0;
lock_kernel();
if (nfsd_serv) {
- nfsd_serv->sv_nrthreads++;
+ svc_get(nfsd_serv);
unlock_kernel();
return 0;
}
diff -puN include/linux/sunrpc/svc.h~knfsd-add-svc_get include/linux/sunrpc/svc.h
--- a/include/linux/sunrpc/svc.h~knfsd-add-svc_get
+++ a/include/linux/sunrpc/svc.h
@@ -71,6 +71,17 @@ struct svc_serv {
};
/*
+ * We use sv_nrthreads as a reference count. svc_destroy() drops
+ * this refcount, so we need to bump it up around operations that
+ * change the number of threads. Horrible, but there it is.
+ * Should be called with the BKL held.
+ */
+static inline void svc_get(struct svc_serv *serv)
+{
+ serv->sv_nrthreads++;
+}
+
+/*
* Maximum payload size supported by a kernel RPC server.
* This is use to determine the max number of pages nfsd is
* willing to return in a single READ operation.
_
Patches currently in -mm which might be from gnb@xxxxxxxxxxxxxxxxx are
origin.patch
knfsd-prepare-knfsd-for-support-of-rsize-wsize-of-up-to-1mb-over-tcp.patch
knfsd-make-nfsd-readahead-params-cache-smp-friendly.patch
knfsd-knfsd-cache-ipmap-per-tcp-socket.patch
-
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
