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Diffstat (limited to 'fs/nfsd/nfs4idmap.c')
-rw-r--r--fs/nfsd/nfs4idmap.c486
1 files changed, 282 insertions, 204 deletions
diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c
index 13369650cdf..a0ab0a847d6 100644
--- a/fs/nfsd/nfs4idmap.c
+++ b/fs/nfsd/nfs4idmap.c
@@ -1,6 +1,4 @@
/*
- * fs/nfsd/nfs4idmap.c
- *
* Mapping of UID/GIDs to name and vice versa.
*
* Copyright (c) 2002, 2003 The Regents of the University of
@@ -34,27 +32,23 @@
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-#include <linux/config.h>
#include <linux/module.h>
-#include <linux/init.h>
-
-#include <linux/mm.h>
-#include <linux/utsname.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/sunrpc/clnt.h>
-#include <linux/nfs.h>
-#include <linux/nfs4.h>
-#include <linux/nfs_fs.h>
-#include <linux/nfs_page.h>
-#include <linux/smp_lock.h>
-#include <linux/sunrpc/cache.h>
-#include <linux/nfsd_idmap.h>
-#include <linux/list.h>
-#include <linux/sched.h>
-#include <linux/time.h>
#include <linux/seq_file.h>
-#include <linux/sunrpc/svcauth.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/sunrpc/svc_xprt.h>
+#include <net/net_namespace.h>
+#include "idmap.h"
+#include "nfsd.h"
+#include "netns.h"
+
+/*
+ * Turn off idmapping when using AUTH_SYS.
+ */
+static bool nfs4_disable_idmapping = true;
+module_param(nfs4_disable_idmapping, bool, 0644);
+MODULE_PARM_DESC(nfs4_disable_idmapping,
+ "Turn off server's NFSv4 idmapping when using 'sec=sys'");
/*
* Cache entry
@@ -71,26 +65,22 @@
struct ent {
struct cache_head h;
int type; /* User / Group */
- uid_t id;
+ u32 id;
char name[IDMAP_NAMESZ];
char authname[IDMAP_NAMESZ];
};
-#define DefineSimpleCacheLookupMap(STRUCT, FUNC) \
- DefineCacheLookup(struct STRUCT, h, FUNC##_lookup, \
- (struct STRUCT *item, int set), /*no setup */, \
- & FUNC##_cache, FUNC##_hash(item), FUNC##_match(item, tmp), \
- STRUCT##_init(new, item), STRUCT##_update(tmp, item), 0)
-
/* Common entry handling */
#define ENT_HASHBITS 8
#define ENT_HASHMAX (1 << ENT_HASHBITS)
-#define ENT_HASHMASK (ENT_HASHMAX - 1)
-static inline void
-ent_init(struct ent *new, struct ent *itm)
+static void
+ent_init(struct cache_head *cnew, struct cache_head *citm)
{
+ struct ent *new = container_of(cnew, struct ent, h);
+ struct ent *itm = container_of(citm, struct ent, h);
+
new->id = itm->id;
new->type = itm->type;
@@ -98,27 +88,27 @@ ent_init(struct ent *new, struct ent *itm)
strlcpy(new->authname, itm->authname, sizeof(new->name));
}
-static inline void
-ent_update(struct ent *new, struct ent *itm)
+static void
+ent_put(struct kref *ref)
{
- ent_init(new, itm);
+ struct ent *map = container_of(ref, struct ent, h.ref);
+ kfree(map);
}
-static void
-ent_put(struct cache_head *ch, struct cache_detail *cd)
+static struct cache_head *
+ent_alloc(void)
{
- if (cache_put(ch, cd)) {
- struct ent *map = container_of(ch, struct ent, h);
- kfree(map);
- }
+ struct ent *e = kmalloc(sizeof(*e), GFP_KERNEL);
+ if (e)
+ return &e->h;
+ else
+ return NULL;
}
/*
* ID -> Name cache
*/
-static struct cache_head *idtoname_table[ENT_HASHMAX];
-
static uint32_t
idtoname_hash(struct ent *ent)
{
@@ -142,16 +132,19 @@ idtoname_request(struct cache_detail *cd, struct cache_head *ch, char **bpp,
char idstr[11];
qword_add(bpp, blen, ent->authname);
- snprintf(idstr, sizeof(idstr), "%d", ent->id);
+ snprintf(idstr, sizeof(idstr), "%u", ent->id);
qword_add(bpp, blen, ent->type == IDMAP_TYPE_GROUP ? "group" : "user");
qword_add(bpp, blen, idstr);
(*bpp)[-1] = '\n';
}
-static inline int
-idtoname_match(struct ent *a, struct ent *b)
+static int
+idtoname_match(struct cache_head *ca, struct cache_head *cb)
{
+ struct ent *a = container_of(ca, struct ent, h);
+ struct ent *b = container_of(cb, struct ent, h);
+
return (a->id == b->id && a->type == b->type &&
strcmp(a->authname, b->authname) == 0);
}
@@ -166,7 +159,7 @@ idtoname_show(struct seq_file *m, struct cache_detail *cd, struct cache_head *h)
return 0;
}
ent = container_of(h, struct ent, h);
- seq_printf(m, "%s %s %d", ent->authname,
+ seq_printf(m, "%s %s %u", ent->authname,
ent->type == IDMAP_TYPE_GROUP ? "group" : "user",
ent->id);
if (test_bit(CACHE_VALID, &h->flags))
@@ -176,33 +169,39 @@ idtoname_show(struct seq_file *m, struct cache_detail *cd, struct cache_head *h)
}
static void
-warn_no_idmapd(struct cache_detail *detail)
+warn_no_idmapd(struct cache_detail *detail, int has_died)
{
printk("nfsd: nfsv4 idmapping failing: has idmapd %s?\n",
- detail->last_close? "died" : "not been started");
+ has_died ? "died" : "not been started");
}
static int idtoname_parse(struct cache_detail *, char *, int);
-static struct ent *idtoname_lookup(struct ent *, int);
+static struct ent *idtoname_lookup(struct cache_detail *, struct ent *);
+static struct ent *idtoname_update(struct cache_detail *, struct ent *,
+ struct ent *);
-static struct cache_detail idtoname_cache = {
+static struct cache_detail idtoname_cache_template = {
.owner = THIS_MODULE,
.hash_size = ENT_HASHMAX,
- .hash_table = idtoname_table,
.name = "nfs4.idtoname",
.cache_put = ent_put,
.cache_request = idtoname_request,
.cache_parse = idtoname_parse,
.cache_show = idtoname_show,
.warn_no_listener = warn_no_idmapd,
+ .match = idtoname_match,
+ .init = ent_init,
+ .update = ent_init,
+ .alloc = ent_alloc,
};
-int
+static int
idtoname_parse(struct cache_detail *cd, char *buf, int buflen)
{
struct ent ent, *res;
char *buf1, *bp;
+ int len;
int error = -EINVAL;
if (buf[buflen - 1] != '\n')
@@ -238,24 +237,28 @@ idtoname_parse(struct cache_detail *cd, char *buf, int buflen)
if (ent.h.expiry_time == 0)
goto out;
+ error = -ENOMEM;
+ res = idtoname_lookup(cd, &ent);
+ if (!res)
+ goto out;
+
/* Name */
- error = qword_get(&buf, buf1, PAGE_SIZE);
- if (error == -EINVAL)
+ error = -EINVAL;
+ len = qword_get(&buf, buf1, PAGE_SIZE);
+ if (len < 0)
goto out;
- if (error == -ENOENT)
+ if (len == 0)
set_bit(CACHE_NEGATIVE, &ent.h.flags);
- else {
- if (error >= IDMAP_NAMESZ) {
- error = -EINVAL;
- goto out;
- }
+ else if (len >= IDMAP_NAMESZ)
+ goto out;
+ else
memcpy(ent.name, buf1, sizeof(ent.name));
- }
error = -ENOMEM;
- if ((res = idtoname_lookup(&ent, 1)) == NULL)
+ res = idtoname_update(cd, &ent, res);
+ if (res == NULL)
goto out;
- ent_put(&res->h, &idtoname_cache);
+ cache_put(&res->h, cd);
error = 0;
out:
@@ -264,14 +267,34 @@ out:
return error;
}
-static DefineSimpleCacheLookupMap(ent, idtoname);
+
+static struct ent *
+idtoname_lookup(struct cache_detail *cd, struct ent *item)
+{
+ struct cache_head *ch = sunrpc_cache_lookup(cd, &item->h,
+ idtoname_hash(item));
+ if (ch)
+ return container_of(ch, struct ent, h);
+ else
+ return NULL;
+}
+
+static struct ent *
+idtoname_update(struct cache_detail *cd, struct ent *new, struct ent *old)
+{
+ struct cache_head *ch = sunrpc_cache_update(cd, &new->h, &old->h,
+ idtoname_hash(new));
+ if (ch)
+ return container_of(ch, struct ent, h);
+ else
+ return NULL;
+}
+
/*
* Name -> ID cache
*/
-static struct cache_head *nametoid_table[ENT_HASHMAX];
-
static inline int
nametoid_hash(struct ent *ent)
{
@@ -291,9 +314,12 @@ nametoid_request(struct cache_detail *cd, struct cache_head *ch, char **bpp,
(*bpp)[-1] = '\n';
}
-static inline int
-nametoid_match(struct ent *a, struct ent *b)
+static int
+nametoid_match(struct cache_head *ca, struct cache_head *cb)
{
+ struct ent *a = container_of(ca, struct ent, h);
+ struct ent *b = container_of(cb, struct ent, h);
+
return (a->type == b->type && strcmp(a->name, b->name) == 0 &&
strcmp(a->authname, b->authname) == 0);
}
@@ -312,24 +338,29 @@ nametoid_show(struct seq_file *m, struct cache_detail *cd, struct cache_head *h)
ent->type == IDMAP_TYPE_GROUP ? "group" : "user",
ent->name);
if (test_bit(CACHE_VALID, &h->flags))
- seq_printf(m, " %d", ent->id);
+ seq_printf(m, " %u", ent->id);
seq_printf(m, "\n");
return 0;
}
-static struct ent *nametoid_lookup(struct ent *, int);
+static struct ent *nametoid_lookup(struct cache_detail *, struct ent *);
+static struct ent *nametoid_update(struct cache_detail *, struct ent *,
+ struct ent *);
static int nametoid_parse(struct cache_detail *, char *, int);
-static struct cache_detail nametoid_cache = {
+static struct cache_detail nametoid_cache_template = {
.owner = THIS_MODULE,
.hash_size = ENT_HASHMAX,
- .hash_table = nametoid_table,
.name = "nfs4.nametoid",
.cache_put = ent_put,
.cache_request = nametoid_request,
.cache_parse = nametoid_parse,
.cache_show = nametoid_show,
.warn_no_listener = warn_no_idmapd,
+ .match = nametoid_match,
+ .init = ent_init,
+ .update = ent_init,
+ .alloc = ent_alloc,
};
static int
@@ -379,10 +410,14 @@ nametoid_parse(struct cache_detail *cd, char *buf, int buflen)
set_bit(CACHE_NEGATIVE, &ent.h.flags);
error = -ENOMEM;
- if ((res = nametoid_lookup(&ent, 1)) == NULL)
+ res = nametoid_lookup(cd, &ent);
+ if (res == NULL)
+ goto out;
+ res = nametoid_update(cd, &ent, res);
+ if (res == NULL)
goto out;
- ent_put(&res->h, &nametoid_cache);
+ cache_put(&res->h, cd);
error = 0;
out:
kfree(buf1);
@@ -390,203 +425,246 @@ out:
return (error);
}
-static DefineSimpleCacheLookupMap(ent, nametoid);
-
-/*
- * Exported API
- */
-void
-nfsd_idmap_init(void)
+static struct ent *
+nametoid_lookup(struct cache_detail *cd, struct ent *item)
{
- cache_register(&idtoname_cache);
- cache_register(&nametoid_cache);
+ struct cache_head *ch = sunrpc_cache_lookup(cd, &item->h,
+ nametoid_hash(item));
+ if (ch)
+ return container_of(ch, struct ent, h);
+ else
+ return NULL;
}
-void
-nfsd_idmap_shutdown(void)
+static struct ent *
+nametoid_update(struct cache_detail *cd, struct ent *new, struct ent *old)
{
- if (cache_unregister(&idtoname_cache))
- printk(KERN_ERR "nfsd: failed to unregister idtoname cache\n");
- if (cache_unregister(&nametoid_cache))
- printk(KERN_ERR "nfsd: failed to unregister nametoid cache\n");
+ struct cache_head *ch = sunrpc_cache_update(cd, &new->h, &old->h,
+ nametoid_hash(new));
+ if (ch)
+ return container_of(ch, struct ent, h);
+ else
+ return NULL;
}
/*
- * Deferred request handling
+ * Exported API
*/
-struct idmap_defer_req {
- struct cache_req req;
- struct cache_deferred_req deferred_req;
- wait_queue_head_t waitq;
- atomic_t count;
-};
-
-static inline void
-put_mdr(struct idmap_defer_req *mdr)
+int
+nfsd_idmap_init(struct net *net)
{
- if (atomic_dec_and_test(&mdr->count))
- kfree(mdr);
-}
+ int rv;
+ struct nfsd_net *nn = net_generic(net, nfsd_net_id);
+
+ nn->idtoname_cache = cache_create_net(&idtoname_cache_template, net);
+ if (IS_ERR(nn->idtoname_cache))
+ return PTR_ERR(nn->idtoname_cache);
+ rv = cache_register_net(nn->idtoname_cache, net);
+ if (rv)
+ goto destroy_idtoname_cache;
+ nn->nametoid_cache = cache_create_net(&nametoid_cache_template, net);
+ if (IS_ERR(nn->nametoid_cache)) {
+ rv = PTR_ERR(nn->nametoid_cache);
+ goto unregister_idtoname_cache;
+ }
+ rv = cache_register_net(nn->nametoid_cache, net);
+ if (rv)
+ goto destroy_nametoid_cache;
+ return 0;
-static inline void
-get_mdr(struct idmap_defer_req *mdr)
-{
- atomic_inc(&mdr->count);
+destroy_nametoid_cache:
+ cache_destroy_net(nn->nametoid_cache, net);
+unregister_idtoname_cache:
+ cache_unregister_net(nn->idtoname_cache, net);
+destroy_idtoname_cache:
+ cache_destroy_net(nn->idtoname_cache, net);
+ return rv;
}
-static void
-idmap_revisit(struct cache_deferred_req *dreq, int toomany)
+void
+nfsd_idmap_shutdown(struct net *net)
{
- struct idmap_defer_req *mdr =
- container_of(dreq, struct idmap_defer_req, deferred_req);
+ struct nfsd_net *nn = net_generic(net, nfsd_net_id);
- wake_up(&mdr->waitq);
- put_mdr(mdr);
+ cache_unregister_net(nn->idtoname_cache, net);
+ cache_unregister_net(nn->nametoid_cache, net);
+ cache_destroy_net(nn->idtoname_cache, net);
+ cache_destroy_net(nn->nametoid_cache, net);
}
-static struct cache_deferred_req *
-idmap_defer(struct cache_req *req)
+static int
+idmap_lookup(struct svc_rqst *rqstp,
+ struct ent *(*lookup_fn)(struct cache_detail *, struct ent *),
+ struct ent *key, struct cache_detail *detail, struct ent **item)
{
- struct idmap_defer_req *mdr =
- container_of(req, struct idmap_defer_req, req);
-
- mdr->deferred_req.revisit = idmap_revisit;
- get_mdr(mdr);
- return (&mdr->deferred_req);
-}
+ int ret;
-static inline int
-do_idmap_lookup(struct ent *(*lookup_fn)(struct ent *, int), struct ent *key,
- struct cache_detail *detail, struct ent **item,
- struct idmap_defer_req *mdr)
-{
- *item = lookup_fn(key, 0);
+ *item = lookup_fn(detail, key);
if (!*item)
return -ENOMEM;
- return cache_check(detail, &(*item)->h, &mdr->req);
-}
-
-static inline int
-do_idmap_lookup_nowait(struct ent *(*lookup_fn)(struct ent *, int),
- struct ent *key, struct cache_detail *detail,
- struct ent **item)
-{
- int ret = -ENOMEM;
-
- *item = lookup_fn(key, 0);
- if (!*item)
- goto out_err;
- ret = -ETIMEDOUT;
- if (!test_bit(CACHE_VALID, &(*item)->h.flags)
- || (*item)->h.expiry_time < get_seconds()
- || detail->flush_time > (*item)->h.last_refresh)
- goto out_put;
- ret = -ENOENT;
- if (test_bit(CACHE_NEGATIVE, &(*item)->h.flags))
- goto out_put;
- return 0;
-out_put:
- ent_put(&(*item)->h, detail);
-out_err:
- *item = NULL;
+ retry:
+ ret = cache_check(detail, &(*item)->h, &rqstp->rq_chandle);
+
+ if (ret == -ETIMEDOUT) {
+ struct ent *prev_item = *item;
+ *item = lookup_fn(detail, key);
+ if (*item != prev_item)
+ goto retry;
+ cache_put(&(*item)->h, detail);
+ }
return ret;
}
-static int
-idmap_lookup(struct svc_rqst *rqstp,
- struct ent *(*lookup_fn)(struct ent *, int), struct ent *key,
- struct cache_detail *detail, struct ent **item)
+static char *
+rqst_authname(struct svc_rqst *rqstp)
{
- struct idmap_defer_req *mdr;
- int ret;
+ struct auth_domain *clp;
- mdr = kmalloc(sizeof(*mdr), GFP_KERNEL);
- if (!mdr)
- return -ENOMEM;
- memset(mdr, 0, sizeof(*mdr));
- atomic_set(&mdr->count, 1);
- init_waitqueue_head(&mdr->waitq);
- mdr->req.defer = idmap_defer;
- ret = do_idmap_lookup(lookup_fn, key, detail, item, mdr);
- if (ret == -EAGAIN) {
- wait_event_interruptible_timeout(mdr->waitq,
- test_bit(CACHE_VALID, &(*item)->h.flags), 1 * HZ);
- ret = do_idmap_lookup_nowait(lookup_fn, key, detail, item);
- }
- put_mdr(mdr);
- return ret;
+ clp = rqstp->rq_gssclient ? rqstp->rq_gssclient : rqstp->rq_client;
+ return clp->name;
}
-static int
+static __be32
idmap_name_to_id(struct svc_rqst *rqstp, int type, const char *name, u32 namelen,
- uid_t *id)
+ u32 *id)
{
struct ent *item, key = {
.type = type,
};
int ret;
+ struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);
if (namelen + 1 > sizeof(key.name))
- return -EINVAL;
+ return nfserr_badowner;
memcpy(key.name, name, namelen);
key.name[namelen] = '\0';
- strlcpy(key.authname, rqstp->rq_client->name, sizeof(key.authname));
- ret = idmap_lookup(rqstp, nametoid_lookup, &key, &nametoid_cache, &item);
+ strlcpy(key.authname, rqst_authname(rqstp), sizeof(key.authname));
+ ret = idmap_lookup(rqstp, nametoid_lookup, &key, nn->nametoid_cache, &item);
if (ret == -ENOENT)
- ret = -ESRCH; /* nfserr_badname */
+ return nfserr_badowner;
if (ret)
- return ret;
+ return nfserrno(ret);
*id = item->id;
- ent_put(&item->h, &nametoid_cache);
+ cache_put(&item->h, nn->nametoid_cache);
return 0;
}
-static int
-idmap_id_to_name(struct svc_rqst *rqstp, int type, uid_t id, char *name)
+static __be32 encode_ascii_id(struct xdr_stream *xdr, u32 id)
+{
+ char buf[11];
+ int len;
+ __be32 *p;
+
+ len = sprintf(buf, "%u", id);
+ p = xdr_reserve_space(xdr, len + 4);
+ if (!p)
+ return nfserr_resource;
+ p = xdr_encode_opaque(p, buf, len);
+ return 0;
+}
+
+static __be32 idmap_id_to_name(struct xdr_stream *xdr,
+ struct svc_rqst *rqstp, int type, u32 id)
{
struct ent *item, key = {
.id = id,
.type = type,
};
+ __be32 *p;
int ret;
+ struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);
- strlcpy(key.authname, rqstp->rq_client->name, sizeof(key.authname));
- ret = idmap_lookup(rqstp, idtoname_lookup, &key, &idtoname_cache, &item);
+ strlcpy(key.authname, rqst_authname(rqstp), sizeof(key.authname));
+ ret = idmap_lookup(rqstp, idtoname_lookup, &key, nn->idtoname_cache, &item);
if (ret == -ENOENT)
- return sprintf(name, "%u", id);
+ return encode_ascii_id(xdr, id);
if (ret)
- return ret;
+ return nfserrno(ret);
ret = strlen(item->name);
- BUG_ON(ret > IDMAP_NAMESZ);
- memcpy(name, item->name, ret);
- ent_put(&item->h, &idtoname_cache);
- return ret;
+ WARN_ON_ONCE(ret > IDMAP_NAMESZ);
+ p = xdr_reserve_space(xdr, ret + 4);
+ if (!p)
+ return nfserr_resource;
+ p = xdr_encode_opaque(p, item->name, ret);
+ cache_put(&item->h, nn->idtoname_cache);
+ return 0;
}
-int
+static bool
+numeric_name_to_id(struct svc_rqst *rqstp, int type, const char *name, u32 namelen, u32 *id)
+{
+ int ret;
+ char buf[11];
+
+ if (namelen + 1 > sizeof(buf))
+ /* too long to represent a 32-bit id: */
+ return false;
+ /* Just to make sure it's null-terminated: */
+ memcpy(buf, name, namelen);
+ buf[namelen] = '\0';
+ ret = kstrtouint(buf, 10, id);
+ return ret == 0;
+}
+
+static __be32
+do_name_to_id(struct svc_rqst *rqstp, int type, const char *name, u32 namelen, u32 *id)
+{
+ if (nfs4_disable_idmapping && rqstp->rq_cred.cr_flavor < RPC_AUTH_GSS)
+ if (numeric_name_to_id(rqstp, type, name, namelen, id))
+ return 0;
+ /*
+ * otherwise, fall through and try idmapping, for
+ * backwards compatibility with clients sending names:
+ */
+ return idmap_name_to_id(rqstp, type, name, namelen, id);
+}
+
+static __be32 encode_name_from_id(struct xdr_stream *xdr,
+ struct svc_rqst *rqstp, int type, u32 id)
+{
+ if (nfs4_disable_idmapping && rqstp->rq_cred.cr_flavor < RPC_AUTH_GSS)
+ return encode_ascii_id(xdr, id);
+ return idmap_id_to_name(xdr, rqstp, type, id);
+}
+
+__be32
nfsd_map_name_to_uid(struct svc_rqst *rqstp, const char *name, size_t namelen,
- __u32 *id)
+ kuid_t *uid)
{
- return idmap_name_to_id(rqstp, IDMAP_TYPE_USER, name, namelen, id);
+ __be32 status;
+ u32 id = -1;
+ status = do_name_to_id(rqstp, IDMAP_TYPE_USER, name, namelen, &id);
+ *uid = make_kuid(&init_user_ns, id);
+ if (!uid_valid(*uid))
+ status = nfserr_badowner;
+ return status;
}
-int
+__be32
nfsd_map_name_to_gid(struct svc_rqst *rqstp, const char *name, size_t namelen,
- __u32 *id)
+ kgid_t *gid)
{
- return idmap_name_to_id(rqstp, IDMAP_TYPE_GROUP, name, namelen, id);
+ __be32 status;
+ u32 id = -1;
+ status = do_name_to_id(rqstp, IDMAP_TYPE_GROUP, name, namelen, &id);
+ *gid = make_kgid(&init_user_ns, id);
+ if (!gid_valid(*gid))
+ status = nfserr_badowner;
+ return status;
}
-int
-nfsd_map_uid_to_name(struct svc_rqst *rqstp, __u32 id, char *name)
+__be32 nfsd4_encode_user(struct xdr_stream *xdr, struct svc_rqst *rqstp,
+ kuid_t uid)
{
- return idmap_id_to_name(rqstp, IDMAP_TYPE_USER, id, name);
+ u32 id = from_kuid(&init_user_ns, uid);
+ return encode_name_from_id(xdr, rqstp, IDMAP_TYPE_USER, id);
}
-int
-nfsd_map_gid_to_name(struct svc_rqst *rqstp, __u32 id, char *name)
+__be32 nfsd4_encode_group(struct xdr_stream *xdr, struct svc_rqst *rqstp,
+ kgid_t gid)
{
- return idmap_id_to_name(rqstp, IDMAP_TYPE_GROUP, id, name);
+ u32 id = from_kgid(&init_user_ns, gid);
+ return encode_name_from_id(xdr, rqstp, IDMAP_TYPE_GROUP, id);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 18:30:48 +0000