struct ptlrpc_sec_policy *sptlrpc_wireflavor2policy(__u32 flavor)
{
static DEFINE_MUTEX(load_mutex);
- static atomic_t loaded = ATOMIC_INIT(0);
+ static atomic_t loaded = ATOMIC_INIT(0);
struct ptlrpc_sec_policy *policy;
- __u16 number = SPTLRPC_FLVR_POLICY(flavor);
- __u16 flag = 0;
+ __u16 number = SPTLRPC_FLVR_POLICY(flavor);
+ __u16 flag = 0;
if (number >= SPTLRPC_POLICY_MAX)
return NULL;
}
EXPORT_SYMBOL(sptlrpc_flavor2name);
-char *sptlrpc_secflags2str(__u32 flags, char *buf, int bufsize)
+static char *sptlrpc_secflags2str(__u32 flags, char *buf, int bufsize)
{
buf[0] = '\0';
return buf;
}
-EXPORT_SYMBOL(sptlrpc_secflags2str);
/**************************************************
* client context APIs *
}
EXPORT_SYMBOL(sptlrpc_cli_ctx_put);
-/**
- * Expire the client context immediately.
- *
- * \pre Caller must hold at least 1 reference on the \a ctx.
- */
-void sptlrpc_cli_ctx_expire(struct ptlrpc_cli_ctx *ctx)
-{
- LASSERT(ctx->cc_ops->force_die);
- ctx->cc_ops->force_die(ctx, 0);
-}
-EXPORT_SYMBOL(sptlrpc_cli_ctx_expire);
-
-/**
- * To wake up the threads who are waiting for this client context. Called
- * after some status change happened on \a ctx.
- */
-void sptlrpc_cli_ctx_wakeup(struct ptlrpc_cli_ctx *ctx)
-{
- struct ptlrpc_request *req, *next;
-
- spin_lock(&ctx->cc_lock);
- list_for_each_entry_safe(req, next, &ctx->cc_req_list,
- rq_ctx_chain) {
- list_del_init(&req->rq_ctx_chain);
- ptlrpc_client_wake_req(req);
- }
- spin_unlock(&ctx->cc_lock);
-}
-EXPORT_SYMBOL(sptlrpc_cli_ctx_wakeup);
-
-int sptlrpc_cli_ctx_display(struct ptlrpc_cli_ctx *ctx, char *buf, int bufsize)
-{
- LASSERT(ctx->cc_ops);
-
- if (ctx->cc_ops->display == NULL)
- return 0;
-
- return ctx->cc_ops->display(ctx, buf, bufsize);
-}
-
static int import_sec_check_expire(struct obd_import *imp)
{
- int adapt = 0;
+ int adapt = 0;
spin_lock(&imp->imp_lock);
if (imp->imp_sec_expire &&
- imp->imp_sec_expire < get_seconds()) {
+ imp->imp_sec_expire < ktime_get_real_seconds()) {
adapt = 1;
imp->imp_sec_expire = 0;
}
static int import_sec_validate_get(struct obd_import *imp,
struct ptlrpc_sec **sec)
{
- int rc;
+ int rc;
if (unlikely(imp->imp_sec_expire)) {
rc = import_sec_check_expire(imp);
struct ptlrpc_cli_ctx *oldctx,
struct ptlrpc_cli_ctx *newctx)
{
- struct sptlrpc_flavor old_flvr;
- char *reqmsg = NULL; /* to workaround old gcc */
- int reqmsg_size;
- int rc = 0;
+ struct sptlrpc_flavor old_flvr;
+ char *reqmsg = NULL; /* to workaround old gcc */
+ int reqmsg_size;
+ int rc = 0;
LASSERT(req->rq_reqmsg);
LASSERT(req->rq_reqlen);
/* save request message */
reqmsg_size = req->rq_reqlen;
if (reqmsg_size != 0) {
- OBD_ALLOC_LARGE(reqmsg, reqmsg_size);
+ reqmsg = libcfs_kvzalloc(reqmsg_size, GFP_NOFS);
if (reqmsg == NULL)
return -ENOMEM;
memcpy(reqmsg, req->rq_reqmsg, reqmsg_size);
req->rq_flvr = old_flvr;
}
- OBD_FREE_LARGE(reqmsg, reqmsg_size);
+ kvfree(reqmsg);
}
return rc;
}
* \note a request must have a context, to keep other parts of code happy.
* In any case of failure during the switching, we must restore the old one.
*/
-int sptlrpc_req_replace_dead_ctx(struct ptlrpc_request *req)
+static int sptlrpc_req_replace_dead_ctx(struct ptlrpc_request *req)
{
struct ptlrpc_cli_ctx *oldctx = req->rq_cli_ctx;
struct ptlrpc_cli_ctx *newctx;
- int rc;
+ int rc;
LASSERT(oldctx);
sptlrpc_cli_ctx_put(oldctx, 1);
return 0;
}
-EXPORT_SYMBOL(sptlrpc_req_replace_dead_ctx);
static
int ctx_check_refresh(struct ptlrpc_cli_ctx *ctx)
*/
int sptlrpc_req_refresh_ctx(struct ptlrpc_request *req, long timeout)
{
- struct ptlrpc_cli_ctx *ctx = req->rq_cli_ctx;
- struct ptlrpc_sec *sec;
- struct l_wait_info lwi;
- int rc;
+ struct ptlrpc_cli_ctx *ctx = req->rq_cli_ctx;
+ struct ptlrpc_sec *sec;
+ struct l_wait_info lwi;
+ int rc;
LASSERT(ctx);
if (req->rq_pool || !req->rq_reqbuf)
return;
- OBD_FREE(req->rq_reqbuf, req->rq_reqbuf_len);
+ kfree(req->rq_reqbuf);
req->rq_reqbuf = NULL;
req->rq_reqbuf_len = 0;
}
*/
int sptlrpc_import_check_ctx(struct obd_import *imp)
{
- struct ptlrpc_sec *sec;
+ struct ptlrpc_sec *sec;
struct ptlrpc_cli_ctx *ctx;
struct ptlrpc_request *req = NULL;
int rc;
static int do_cli_unwrap_reply(struct ptlrpc_request *req)
{
struct ptlrpc_cli_ctx *ctx = req->rq_cli_ctx;
- int rc;
+ int rc;
LASSERT(ctx);
LASSERT(ctx->cc_sec);
int sptlrpc_cli_unwrap_early_reply(struct ptlrpc_request *req,
struct ptlrpc_request **req_ret)
{
- struct ptlrpc_request *early_req;
- char *early_buf;
- int early_bufsz, early_size;
- int rc;
+ struct ptlrpc_request *early_req;
+ char *early_buf;
+ int early_bufsz, early_size;
+ int rc;
early_req = ptlrpc_request_cache_alloc(GFP_NOFS);
if (early_req == NULL)
early_size = req->rq_nob_received;
early_bufsz = size_roundup_power2(early_size);
- OBD_ALLOC_LARGE(early_buf, early_bufsz);
+ early_buf = libcfs_kvzalloc(early_bufsz, GFP_NOFS);
if (early_buf == NULL) {
rc = -ENOMEM;
goto err_req;
err_ctx:
sptlrpc_cli_ctx_put(early_req->rq_cli_ctx, 1);
err_buf:
- OBD_FREE_LARGE(early_buf, early_bufsz);
+ kvfree(early_buf);
err_req:
ptlrpc_request_cache_free(early_req);
return rc;
LASSERT(early_req->rq_repmsg);
sptlrpc_cli_ctx_put(early_req->rq_cli_ctx, 1);
- OBD_FREE_LARGE(early_req->rq_repbuf, early_req->rq_repbuf_len);
+ kvfree(early_req->rq_repbuf);
ptlrpc_request_cache_free(early_req);
}
sptlrpc_policy_put(policy);
}
-void sptlrpc_sec_destroy(struct ptlrpc_sec *sec)
-{
- sec_cop_destroy_sec(sec);
-}
-EXPORT_SYMBOL(sptlrpc_sec_destroy);
-
static void sptlrpc_sec_kill(struct ptlrpc_sec *sec)
{
LASSERT_ATOMIC_POS(&sec->ps_refcount);
}
}
-struct ptlrpc_sec *sptlrpc_sec_get(struct ptlrpc_sec *sec)
+static struct ptlrpc_sec *sptlrpc_sec_get(struct ptlrpc_sec *sec)
{
if (sec)
atomic_inc(&sec->ps_refcount);
return sec;
}
-EXPORT_SYMBOL(sptlrpc_sec_get);
void sptlrpc_sec_put(struct ptlrpc_sec *sec)
{
*/
static
struct ptlrpc_sec *sptlrpc_sec_create(struct obd_import *imp,
- struct ptlrpc_svc_ctx *svc_ctx,
- struct sptlrpc_flavor *sf,
- enum lustre_sec_part sp)
+ struct ptlrpc_svc_ctx *svc_ctx,
+ struct sptlrpc_flavor *sf,
+ enum lustre_sec_part sp)
{
struct ptlrpc_sec_policy *policy;
- struct ptlrpc_sec *sec;
- char str[32];
+ struct ptlrpc_sec *sec;
+ char str[32];
if (svc_ctx) {
LASSERT(imp->imp_dlm_fake == 1);
struct ptlrpc_sec *sec,
struct sptlrpc_flavor *sf)
{
- char str1[32], str2[32];
+ char str1[32], str2[32];
if (sec->ps_flvr.sf_flags != sf->sf_flags)
CDEBUG(D_SEC, "changing sec flags: %s -> %s\n",
struct ptlrpc_svc_ctx *svc_ctx,
struct sptlrpc_flavor *flvr)
{
- struct ptlrpc_connection *conn;
- struct sptlrpc_flavor sf;
- struct ptlrpc_sec *sec, *newsec;
- enum lustre_sec_part sp;
- char str[24];
- int rc = 0;
+ struct ptlrpc_connection *conn;
+ struct sptlrpc_flavor sf;
+ struct ptlrpc_sec *sec, *newsec;
+ enum lustre_sec_part sp;
+ char str[24];
+ int rc = 0;
might_sleep();
sec = sptlrpc_import_sec_ref(imp);
if (sec) {
- char str2[24];
+ char str2[24];
if (flavor_equal(&sf, &sec->ps_flvr))
goto out;
sptlrpc_sec_put(sec);
}
-void sptlrpc_import_flush_root_ctx(struct obd_import *imp)
-{
- /* it's important to use grace mode, see explain in
- * sptlrpc_req_refresh_ctx() */
- import_flush_ctx_common(imp, 0, 1, 1);
-}
-
void sptlrpc_import_flush_my_ctx(struct obd_import *imp)
{
import_flush_ctx_common(imp, from_kuid(&init_user_ns, current_uid()),
void _sptlrpc_enlarge_msg_inplace(struct lustre_msg *msg,
int segment, int newsize)
{
- void *src, *dst;
- int oldsize, oldmsg_size, movesize;
+ void *src, *dst;
+ int oldsize, oldmsg_size, movesize;
LASSERT(segment < msg->lm_bufcount);
LASSERT(msg->lm_buflens[segment] <= newsize);
int sptlrpc_cli_enlarge_reqbuf(struct ptlrpc_request *req,
int segment, int newsize)
{
- struct ptlrpc_cli_ctx *ctx = req->rq_cli_ctx;
- struct ptlrpc_sec_cops *cops;
- struct lustre_msg *msg = req->rq_reqmsg;
+ struct ptlrpc_cli_ctx *ctx = req->rq_cli_ctx;
+ struct ptlrpc_sec_cops *cops;
+ struct lustre_msg *msg = req->rq_reqmsg;
LASSERT(ctx);
LASSERT(msg);
req->rq_repmsg = NULL;
}
-int sptlrpc_cli_install_rvs_ctx(struct obd_import *imp,
- struct ptlrpc_cli_ctx *ctx)
-{
- struct ptlrpc_sec_policy *policy = ctx->cc_sec->ps_policy;
-
- if (!policy->sp_cops->install_rctx)
- return 0;
- return policy->sp_cops->install_rctx(imp, ctx->cc_sec, ctx);
-}
-
-int sptlrpc_svc_install_rvs_ctx(struct obd_import *imp,
- struct ptlrpc_svc_ctx *ctx)
+static int sptlrpc_svc_install_rvs_ctx(struct obd_import *imp,
+ struct ptlrpc_svc_ctx *ctx)
{
struct ptlrpc_sec_policy *policy = ctx->sc_policy;
int sptlrpc_target_export_check(struct obd_export *exp,
struct ptlrpc_request *req)
{
- struct sptlrpc_flavor flavor;
+ struct sptlrpc_flavor flavor;
if (exp == NULL)
return 0;
exp->exp_flvr_old[1] = exp->exp_flvr_old[0];
exp->exp_flvr_expire[1] = exp->exp_flvr_expire[0];
exp->exp_flvr_old[0] = exp->exp_flvr;
- exp->exp_flvr_expire[0] = get_seconds() +
+ exp->exp_flvr_expire[0] = ktime_get_real_seconds() +
EXP_FLVR_UPDATE_EXPIRE;
exp->exp_flvr = flavor;
}
if (exp->exp_flvr_expire[0]) {
- if (exp->exp_flvr_expire[0] >= get_seconds()) {
+ if (exp->exp_flvr_expire[0] >= ktime_get_real_seconds()) {
if (flavor_allowed(&exp->exp_flvr_old[0], req)) {
- CDEBUG(D_SEC, "exp %p (%x|%x|%x): match the middle one (" CFS_DURATION_T ")\n", exp,
+ CDEBUG(D_SEC, "exp %p (%x|%x|%x): match the middle one (%lld)\n", exp,
exp->exp_flvr.sf_rpc,
exp->exp_flvr_old[0].sf_rpc,
exp->exp_flvr_old[1].sf_rpc,
- exp->exp_flvr_expire[0] -
- get_seconds());
+ (s64)(exp->exp_flvr_expire[0] -
+ ktime_get_real_seconds()));
spin_unlock(&exp->exp_lock);
return 0;
}
/* now it doesn't match the current flavor, the only chance we can
* accept it is match the old flavors which is not expired. */
if (exp->exp_flvr_changed == 0 && exp->exp_flvr_expire[1]) {
- if (exp->exp_flvr_expire[1] >= get_seconds()) {
+ if (exp->exp_flvr_expire[1] >= ktime_get_real_seconds()) {
if (flavor_allowed(&exp->exp_flvr_old[1], req)) {
- CDEBUG(D_SEC, "exp %p (%x|%x|%x): match the oldest one (" CFS_DURATION_T ")\n",
+ CDEBUG(D_SEC, "exp %p (%x|%x|%x): match the oldest one (%lld)\n",
exp,
exp->exp_flvr.sf_rpc,
exp->exp_flvr_old[0].sf_rpc,
exp->exp_flvr_old[1].sf_rpc,
- exp->exp_flvr_expire[1] -
- get_seconds());
+ (s64)(exp->exp_flvr_expire[1] -
+ ktime_get_real_seconds()));
spin_unlock(&exp->exp_lock);
return 0;
}
spin_unlock(&exp->exp_lock);
- CWARN("exp %p(%s): req %p (%u|%u|%u|%u|%u|%u) with unauthorized flavor %x, expect %x|%x(%+ld)|%x(%+ld)\n",
+ CWARN("exp %p(%s): req %p (%u|%u|%u|%u|%u|%u) with unauthorized flavor %x, expect %x|%x(%+lld)|%x(%+lld)\n",
exp, exp->exp_obd->obd_name,
req, req->rq_auth_gss, req->rq_ctx_init, req->rq_ctx_fini,
req->rq_auth_usr_root, req->rq_auth_usr_mdt, req->rq_auth_usr_ost,
exp->exp_flvr.sf_rpc,
exp->exp_flvr_old[0].sf_rpc,
exp->exp_flvr_expire[0] ?
- (unsigned long) (exp->exp_flvr_expire[0] -
- get_seconds()) : 0,
+ (s64)(exp->exp_flvr_expire[0] - ktime_get_real_seconds()) : 0,
exp->exp_flvr_old[1].sf_rpc,
exp->exp_flvr_expire[1] ?
- (unsigned long) (exp->exp_flvr_expire[1] -
- get_seconds()) : 0);
+ (s64)(exp->exp_flvr_expire[1] - ktime_get_real_seconds()) : 0);
return -EACCES;
}
EXPORT_SYMBOL(sptlrpc_target_export_check);
-void sptlrpc_target_update_exp_flavor(struct obd_device *obd,
- struct sptlrpc_rule_set *rset)
-{
- struct obd_export *exp;
- struct sptlrpc_flavor new_flvr;
-
- LASSERT(obd);
-
- spin_lock(&obd->obd_dev_lock);
-
- list_for_each_entry(exp, &obd->obd_exports, exp_obd_chain) {
- if (exp->exp_connection == NULL)
- continue;
-
- /* note if this export had just been updated flavor
- * (exp_flvr_changed == 1), this will override the
- * previous one. */
- spin_lock(&exp->exp_lock);
- sptlrpc_target_choose_flavor(rset, exp->exp_sp_peer,
- exp->exp_connection->c_peer.nid,
- &new_flvr);
- if (exp->exp_flvr_changed ||
- !flavor_equal(&new_flvr, &exp->exp_flvr)) {
- exp->exp_flvr_old[1] = new_flvr;
- exp->exp_flvr_expire[1] = 0;
- exp->exp_flvr_changed = 1;
- exp->exp_flvr_adapt = 1;
-
- CDEBUG(D_SEC, "exp %p (%s): updated flavor %x->%x\n",
- exp, sptlrpc_part2name(exp->exp_sp_peer),
- exp->exp_flvr.sf_rpc,
- exp->exp_flvr_old[1].sf_rpc);
- }
- spin_unlock(&exp->exp_lock);
- }
-
- spin_unlock(&obd->obd_dev_lock);
-}
-EXPORT_SYMBOL(sptlrpc_target_update_exp_flavor);
-
static int sptlrpc_svc_check_from(struct ptlrpc_request *req, int svc_rc)
{
/* peer's claim is unreliable unless gss is being used */
int sptlrpc_svc_unwrap_request(struct ptlrpc_request *req)
{
struct ptlrpc_sec_policy *policy;
- struct lustre_msg *msg = req->rq_reqbuf;
- int rc;
+ struct lustre_msg *msg = req->rq_reqbuf;
+ int rc;
LASSERT(msg);
LASSERT(req->rq_reqmsg == NULL);
rc = policy->sp_sops->alloc_rs(req, msglen);
if (unlikely(rc == -ENOMEM)) {
struct ptlrpc_service_part *svcpt = req->rq_rqbd->rqbd_svcpt;
+
if (svcpt->scp_service->srv_max_reply_size <
msglen + sizeof(struct ptlrpc_reply_state)) {
/* Just return failure if the size is too big */
req->rq_svc_ctx = NULL;
}
-void sptlrpc_svc_ctx_invalidate(struct ptlrpc_request *req)
-{
- struct ptlrpc_svc_ctx *ctx = req->rq_svc_ctx;
-
- if (ctx == NULL)
- return;
-
- LASSERT_ATOMIC_POS(&ctx->sc_refcount);
- if (ctx->sc_policy->sp_sops->invalidate_ctx)
- ctx->sc_policy->sp_sops->invalidate_ctx(ctx);
-}
-EXPORT_SYMBOL(sptlrpc_svc_ctx_invalidate);
-
/****************************************
* bulk security *
****************************************/
struct ptlrpc_bulk_desc *desc,
int nob)
{
- struct ptlrpc_cli_ctx *ctx;
- int rc;
+ struct ptlrpc_cli_ctx *ctx;
+ int rc;
LASSERT(req->rq_bulk_read && !req->rq_bulk_write);
int sptlrpc_cli_unwrap_bulk_write(struct ptlrpc_request *req,
struct ptlrpc_bulk_desc *desc)
{
- struct ptlrpc_cli_ctx *ctx;
- int rc;
+ struct ptlrpc_cli_ctx *ctx;
+ int rc;
LASSERT(!req->rq_bulk_read && req->rq_bulk_write);
}
EXPORT_SYMBOL(sptlrpc_cli_unwrap_bulk_write);
-
/****************************************
* user descriptor helpers *
****************************************/
int sptlrpc_unpack_user_desc(struct lustre_msg *msg, int offset, int swabbed)
{
struct ptlrpc_user_desc *pud;
- int i;
+ int i;
pud = lustre_msg_buf(msg, offset, sizeof(*pud));
if (!pud)
/*
* return true if the bulk data is protected
*/
-int sptlrpc_flavor_has_bulk(struct sptlrpc_flavor *flvr)
+bool sptlrpc_flavor_has_bulk(struct sptlrpc_flavor *flvr)
{
switch (SPTLRPC_FLVR_BULK_SVC(flvr->sf_rpc)) {
case SPTLRPC_BULK_SVC_INTG:
case SPTLRPC_BULK_SVC_PRIV:
- return 1;
+ return true;
default:
- return 0;
+ return false;
}
}
EXPORT_SYMBOL(sptlrpc_flavor_has_bulk);
Code Review / kvmfornfv.git / blobdiff