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11083 support NFS server in zone
Portions contributed by: Dan Kruchinin <dan.kruchinin@nexenta.com>
Portions contributed by: Stepan Zastupov <stepan.zastupov@gmail.com>
Portions contributed by: Joyce McIntosh <joyce.mcintosh@nexenta.com>
Portions contributed by: Mike Zeller <mike@mikezeller.net>
Portions contributed by: Dan McDonald <danmcd@joyent.com>
Portions contributed by: Gordon Ross <gordon.w.ross@gmail.com>
Portions contributed by: Vitaliy Gusev <gusev.vitaliy@gmail.com>
Reviewed by: Rick McNeal <rick.mcneal@nexenta.com>
Reviewed by: Rob Gittins <rob.gittins@nexenta.com>
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
Reviewed by: Jason King <jbk@joyent.com>
Reviewed by: C Fraire <cfraire@me.com>
Change-Id: I22f289d357503f9b48a0bc2482cc4328a6d43d16
@@ -16,15 +16,20 @@
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
+
/*
* Copyright 2010 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
+/*
+ * Copyright 2018 Nexenta Systems, Inc.
+ */
+
#include <sys/param.h>
#include <sys/types.h>
#include <sys/pathname.h>
#include <sys/errno.h>
#include <sys/cmn_err.h>
@@ -43,38 +48,71 @@
#ifdef nextdp
#undef nextdp
#endif
#define nextdp(dp) ((struct dirent64 *)((char *)(dp) + (dp)->d_reclen))
-kmutex_t nfscmd_lock;
-door_handle_t nfscmd_dh;
+typedef struct nfscmd_globals {
+ kmutex_t nfscmd_lock;
+ door_handle_t nfscmd_dh;
+} nfscmd_globals_t;
+static zone_key_t nfscmd_zone_key;
+
static struct charset_cache *nfscmd_charmap(exportinfo_t *exi,
struct sockaddr *sp);
+static void *nfscmd_zone_init(zoneid_t);
+static void nfscmd_zone_fini(zoneid_t, void *);
-
void
nfscmd_args(uint_t did)
{
- mutex_enter(&nfscmd_lock);
- if (nfscmd_dh)
- door_ki_rele(nfscmd_dh);
- nfscmd_dh = door_ki_lookup(did);
- mutex_exit(&nfscmd_lock);
+ nfscmd_globals_t *ncg = zone_getspecific(nfscmd_zone_key, curzone);
+
+ mutex_enter(&ncg->nfscmd_lock);
+ if (ncg->nfscmd_dh != NULL)
+ door_ki_rele(ncg->nfscmd_dh);
+ ncg->nfscmd_dh = door_ki_lookup(did);
+ mutex_exit(&ncg->nfscmd_lock);
}
void
nfscmd_init(void)
{
- mutex_init(&nfscmd_lock, NULL, MUTEX_DEFAULT, NULL);
+ zone_key_create(&nfscmd_zone_key, nfscmd_zone_init,
+ NULL, nfscmd_zone_fini);
}
void
nfscmd_fini(void)
{
+ (void) zone_key_delete(nfscmd_zone_key);
}
+/*ARGSUSED*/
+static void *
+nfscmd_zone_init(zoneid_t zoneid)
+{
+ nfscmd_globals_t *ncg;
+
+ ncg = kmem_zalloc(sizeof (*ncg), KM_SLEEP);
+ mutex_init(&ncg->nfscmd_lock, NULL, MUTEX_DEFAULT, NULL);
+
+ return (ncg);
+}
+
+/*ARGSUSED*/
+static void
+nfscmd_zone_fini(zoneid_t zoneid, void *data)
+{
+ nfscmd_globals_t *ncg = data;
+
+ mutex_destroy(&ncg->nfscmd_lock);
+ if (ncg->nfscmd_dh)
+ door_ki_rele(ncg->nfscmd_dh);
+ kmem_free(ncg, sizeof (*ncg));
+}
+
/*
* nfscmd_send(arg, result)
*
* Send a command to the daemon listening on the door. The result is
* returned in the result pointer if the function return value is
@@ -86,17 +124,18 @@
door_handle_t dh;
door_arg_t da;
door_info_t di;
int ntries = 0;
int last = 0;
+ nfscmd_globals_t *ncg = zone_getspecific(nfscmd_zone_key, curzone);
retry:
- mutex_enter(&nfscmd_lock);
- dh = nfscmd_dh;
+ mutex_enter(&ncg->nfscmd_lock);
+ dh = ncg->nfscmd_dh;
if (dh != NULL)
door_ki_hold(dh);
- mutex_exit(&nfscmd_lock);
+ mutex_exit(&ncg->nfscmd_lock);
if (dh == NULL) {
/*
* The rendezvous point has not been established yet !
* This could mean that either mountd(1m) has not yet
@@ -139,14 +178,14 @@
* the (existing) door on us; we
* want to wait to give smf(5) a
* chance to restart mountd(1m)
* and establish a new door handle.
*/
- mutex_enter(&nfscmd_lock);
- if (dh == nfscmd_dh)
- nfscmd_dh = NULL;
- mutex_exit(&nfscmd_lock);
+ mutex_enter(&ncg->nfscmd_lock);
+ if (dh == ncg->nfscmd_dh)
+ ncg->nfscmd_dh = NULL;
+ mutex_exit(&ncg->nfscmd_lock);
door_ki_rele(dh);
delay(hz);
goto retry;
}
/*