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sunrpc: plumb gfp_t parm into crcreate operation

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We need to be able to call the generic_cred creator from different
contexts. Add a gfp_t parm to the crcreate operation and to
rpcauth_lookup_credcache. For now, we just push the gfp_t parms up
one level to the *_lookup_cred functions.

Signed-off-by: Jeff Layton <jeff.layton@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Jeff Layton 2016-04-21 20:51:54 -04:00 committed by Anna Schumaker
parent 06ef26a0e3
commit 3c6e0bc8a1
5 changed files with 13 additions and 13 deletions
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4
include/linux/sunrpc/auth.h
View file

@ -127,7 +127,7 @@ struct rpc_authops {
void (*destroy)(struct rpc_auth *);
struct rpc_cred * (*lookup_cred)(struct rpc_auth *, struct auth_cred *, int);
struct rpc_cred * (*crcreate)(struct rpc_auth*, struct auth_cred *, int);
struct rpc_cred * (*crcreate)(struct rpc_auth*, struct auth_cred *, int, gfp_t);
int (*list_pseudoflavors)(rpc_authflavor_t *, int);
rpc_authflavor_t (*info2flavor)(struct rpcsec_gss_info *);
int (*flavor2info)(rpc_authflavor_t,
@ -178,7 +178,7 @@ rpc_authflavor_t rpcauth_get_pseudoflavor(rpc_authflavor_t,
int rpcauth_get_gssinfo(rpc_authflavor_t,
struct rpcsec_gss_info *);
int rpcauth_list_flavors(rpc_authflavor_t *, int);
struct rpc_cred * rpcauth_lookup_credcache(struct rpc_auth *, struct auth_cred *, int);
struct rpc_cred * rpcauth_lookup_credcache(struct rpc_auth *, struct auth_cred *, int, gfp_t);
void rpcauth_init_cred(struct rpc_cred *, const struct auth_cred *, struct rpc_auth *, const struct rpc_credops *);
struct rpc_cred * rpcauth_lookupcred(struct rpc_auth *, int);
struct rpc_cred * rpcauth_generic_bind_cred(struct rpc_task *, struct rpc_cred *, int);

4
net/sunrpc/auth.c
View file

@ -543,7 +543,7 @@ rpcauth_cache_enforce_limit(void)
*/
struct rpc_cred *
rpcauth_lookup_credcache(struct rpc_auth *auth, struct auth_cred * acred,
int flags)
int flags, gfp_t gfp)
{
LIST_HEAD(free);
struct rpc_cred_cache *cache = auth->au_credcache;
@ -580,7 +580,7 @@ rpcauth_lookup_credcache(struct rpc_auth *auth, struct auth_cred * acred,
if (flags & RPCAUTH_LOOKUP_RCU)
return ERR_PTR(-ECHILD);
new = auth->au_ops->crcreate(auth, acred, flags);
new = auth->au_ops->crcreate(auth, acred, flags, gfp);
if (IS_ERR(new)) {
cred = new;
goto out;

6
net/sunrpc/auth_generic.c
View file

@ -77,15 +77,15 @@ static struct rpc_cred *generic_bind_cred(struct rpc_task *task,
static struct rpc_cred *
generic_lookup_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
{
return rpcauth_lookup_credcache(&generic_auth, acred, flags);
return rpcauth_lookup_credcache(&generic_auth, acred, flags, GFP_KERNEL);
}
static struct rpc_cred *
generic_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
generic_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags, gfp_t gfp)
{
struct generic_cred *gcred;
gcred = kmalloc(sizeof(*gcred), GFP_KERNEL);
gcred = kmalloc(sizeof(*gcred), gfp);
if (gcred == NULL)
return ERR_PTR(-ENOMEM);

6
net/sunrpc/auth_gss/auth_gss.c
View file

@ -1299,11 +1299,11 @@ gss_destroy_cred(struct rpc_cred *cred)
static struct rpc_cred *
gss_lookup_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
{
return rpcauth_lookup_credcache(auth, acred, flags);
return rpcauth_lookup_credcache(auth, acred, flags, GFP_NOFS);
}
static struct rpc_cred *
gss_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
gss_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags, gfp_t gfp)
{
struct gss_auth *gss_auth = container_of(auth, struct gss_auth, rpc_auth);
struct gss_cred *cred = NULL;
@ -1313,7 +1313,7 @@ gss_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
__func__, from_kuid(&init_user_ns, acred->uid),
auth->au_flavor);
if (!(cred = kzalloc(sizeof(*cred), GFP_NOFS)))
if (!(cred = kzalloc(sizeof(*cred), gfp)))
goto out_err;
rpcauth_init_cred(&cred->gc_base, acred, auth, &gss_credops);

6
net/sunrpc/auth_unix.c
View file

@ -52,11 +52,11 @@ unx_destroy(struct rpc_auth *auth)
static struct rpc_cred *
unx_lookup_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
{
return rpcauth_lookup_credcache(auth, acred, flags);
return rpcauth_lookup_credcache(auth, acred, flags, GFP_NOFS);
}
static struct rpc_cred *
unx_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
unx_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags, gfp_t gfp)
{
struct unx_cred *cred;
unsigned int groups = 0;
@ -66,7 +66,7 @@ unx_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
from_kuid(&init_user_ns, acred->uid),
from_kgid(&init_user_ns, acred->gid));
if (!(cred = kmalloc(sizeof(*cred), GFP_NOFS)))
if (!(cred = kmalloc(sizeof(*cred), gfp)))
return ERR_PTR(-ENOMEM);
rpcauth_init_cred(&cred->uc_base, acred, auth, &unix_credops);