* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2012, Whamcloud, Inc.
+ * Copyright (c) 2011, 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* policy registers *
***********************************************/
-static cfs_rwlock_t policy_lock;
+static rwlock_t policy_lock;
static struct ptlrpc_sec_policy *policies[SPTLRPC_POLICY_MAX] = {
NULL,
};
if (number >= SPTLRPC_POLICY_MAX)
return -EINVAL;
- cfs_write_lock(&policy_lock);
+ write_lock(&policy_lock);
if (unlikely(policies[number])) {
- cfs_write_unlock(&policy_lock);
+ write_unlock(&policy_lock);
return -EALREADY;
}
policies[number] = policy;
- cfs_write_unlock(&policy_lock);
+ write_unlock(&policy_lock);
CDEBUG(D_SEC, "%s: registered\n", policy->sp_name);
return 0;
LASSERT(number < SPTLRPC_POLICY_MAX);
- cfs_write_lock(&policy_lock);
+ write_lock(&policy_lock);
if (unlikely(policies[number] == NULL)) {
- cfs_write_unlock(&policy_lock);
+ write_unlock(&policy_lock);
CERROR("%s: already unregistered\n", policy->sp_name);
return -EINVAL;
}
LASSERT(policies[number] == policy);
policies[number] = NULL;
- cfs_write_unlock(&policy_lock);
+ write_unlock(&policy_lock);
CDEBUG(D_SEC, "%s: unregistered\n", policy->sp_name);
return 0;
static
struct ptlrpc_sec_policy * sptlrpc_wireflavor2policy(__u32 flavor)
{
- static CFS_DEFINE_MUTEX(load_mutex);
+ static DEFINE_MUTEX(load_mutex);
static cfs_atomic_t loaded = CFS_ATOMIC_INIT(0);
struct ptlrpc_sec_policy *policy;
__u16 number = SPTLRPC_FLVR_POLICY(flavor);
return NULL;
while (1) {
- cfs_read_lock(&policy_lock);
- policy = policies[number];
- if (policy && !cfs_try_module_get(policy->sp_owner))
- policy = NULL;
- if (policy == NULL)
- flag = cfs_atomic_read(&loaded);
- cfs_read_unlock(&policy_lock);
+ read_lock(&policy_lock);
+ policy = policies[number];
+ if (policy && !try_module_get(policy->sp_owner))
+ policy = NULL;
+ if (policy == NULL)
+ flag = cfs_atomic_read(&loaded);
+ read_unlock(&policy_lock);
if (policy != NULL || flag != 0 ||
number != SPTLRPC_POLICY_GSS)
break;
/* try to load gss module, once */
- cfs_mutex_lock(&load_mutex);
- if (cfs_atomic_read(&loaded) == 0) {
- if (cfs_request_module("ptlrpc_gss") == 0)
- CDEBUG(D_SEC,
- "module ptlrpc_gss loaded on demand\n");
+ mutex_lock(&load_mutex);
+ if (cfs_atomic_read(&loaded) == 0) {
+ if (request_module("ptlrpc_gss") == 0)
+ CDEBUG(D_SEC,
+ "module ptlrpc_gss loaded on demand\n");
else
CERROR("Unable to load module ptlrpc_gss\n");
cfs_atomic_set(&loaded, 1);
}
- cfs_mutex_unlock(&load_mutex);
+ mutex_unlock(&load_mutex);
}
return policy;
__u32 sptlrpc_name2flavor_base(const char *name)
{
- if (!strcmp(name, "null"))
- return SPTLRPC_FLVR_NULL;
- if (!strcmp(name, "plain"))
- return SPTLRPC_FLVR_PLAIN;
+ if (!strcmp(name, "null"))
+ return SPTLRPC_FLVR_NULL;
+ if (!strcmp(name, "plain"))
+ return SPTLRPC_FLVR_PLAIN;
+ if (!strcmp(name, "gssnull"))
+ return SPTLRPC_FLVR_GSSNULL;
if (!strcmp(name, "krb5n"))
return SPTLRPC_FLVR_KRB5N;
if (!strcmp(name, "krb5a"))
return SPTLRPC_FLVR_KRB5I;
if (!strcmp(name, "krb5p"))
return SPTLRPC_FLVR_KRB5P;
+ if (!strcmp(name, "ski"))
+ return SPTLRPC_FLVR_SKI;
+ if (!strcmp(name, "skpi"))
+ return SPTLRPC_FLVR_SKPI;
- return SPTLRPC_FLVR_INVALID;
+ return SPTLRPC_FLVR_INVALID;
}
EXPORT_SYMBOL(sptlrpc_name2flavor_base);
return "null";
else if (base == SPTLRPC_FLVR_BASE(SPTLRPC_FLVR_PLAIN))
return "plain";
+ else if (base == SPTLRPC_FLVR_BASE(SPTLRPC_FLVR_GSSNULL))
+ return "gssnull";
else if (base == SPTLRPC_FLVR_BASE(SPTLRPC_FLVR_KRB5N))
return "krb5n";
else if (base == SPTLRPC_FLVR_BASE(SPTLRPC_FLVR_KRB5A))
return "krb5i";
else if (base == SPTLRPC_FLVR_BASE(SPTLRPC_FLVR_KRB5P))
return "krb5p";
+ else if (base == SPTLRPC_FLVR_BASE(SPTLRPC_FLVR_SKI))
+ return "ski";
+ else if (base == SPTLRPC_FLVR_BASE(SPTLRPC_FLVR_SKPI))
+ return "skpi";
- CERROR("invalid wire flavor 0x%x\n", flvr);
- return "invalid";
+ CERROR("invalid wire flavor 0x%x\n", flvr);
+ return "invalid";
}
EXPORT_SYMBOL(sptlrpc_flavor2name_base);
create = 0;
remove_dead = 0;
}
- } else {
- vcred.vc_uid = cfs_curproc_uid();
- vcred.vc_gid = cfs_curproc_gid();
- }
+ } else {
+ vcred.vc_uid = current_uid();
+ vcred.vc_gid = current_gid();
+ }
- return sec->ps_policy->sp_cops->lookup_ctx(sec, &vcred,
- create, remove_dead);
+ return sec->ps_policy->sp_cops->lookup_ctx(sec, &vcred, create,
+ remove_dead);
}
struct ptlrpc_cli_ctx *sptlrpc_cli_ctx_get(struct ptlrpc_cli_ctx *ctx)
*/
void sptlrpc_cli_ctx_wakeup(struct ptlrpc_cli_ctx *ctx)
{
- struct ptlrpc_request *req, *next;
+ struct ptlrpc_request *req, *next;
- cfs_spin_lock(&ctx->cc_lock);
- cfs_list_for_each_entry_safe(req, next, &ctx->cc_req_list,
- rq_ctx_chain) {
- cfs_list_del_init(&req->rq_ctx_chain);
- ptlrpc_client_wake_req(req);
- }
- cfs_spin_unlock(&ctx->cc_lock);
+ spin_lock(&ctx->cc_lock);
+ cfs_list_for_each_entry_safe(req, next, &ctx->cc_req_list,
+ rq_ctx_chain) {
+ cfs_list_del_init(&req->rq_ctx_chain);
+ ptlrpc_client_wake_req(req);
+ }
+ spin_unlock(&ctx->cc_lock);
}
EXPORT_SYMBOL(sptlrpc_cli_ctx_wakeup);
static int import_sec_check_expire(struct obd_import *imp)
{
- int adapt = 0;
+ int adapt = 0;
- cfs_spin_lock(&imp->imp_lock);
- if (imp->imp_sec_expire &&
- imp->imp_sec_expire < cfs_time_current_sec()) {
- adapt = 1;
- imp->imp_sec_expire = 0;
- }
- cfs_spin_unlock(&imp->imp_lock);
+ spin_lock(&imp->imp_lock);
+ if (imp->imp_sec_expire &&
+ imp->imp_sec_expire < cfs_time_current_sec()) {
+ adapt = 1;
+ imp->imp_sec_expire = 0;
+ }
+ spin_unlock(&imp->imp_lock);
if (!adapt)
return 0;
* in the context waiting list.
*/
if (!cfs_list_empty(&req->rq_ctx_chain)) {
- cfs_spin_lock(&req->rq_cli_ctx->cc_lock);
- cfs_list_del_init(&req->rq_ctx_chain);
- cfs_spin_unlock(&req->rq_cli_ctx->cc_lock);
+ spin_lock(&req->rq_cli_ctx->cc_lock);
+ cfs_list_del_init(&req->rq_ctx_chain);
+ spin_unlock(&req->rq_cli_ctx->cc_lock);
}
sptlrpc_cli_ctx_put(req->rq_cli_ctx, sync);
LASSERT(newctx);
if (unlikely(newctx == oldctx &&
- cfs_test_bit(PTLRPC_CTX_DEAD_BIT, &oldctx->cc_flags))) {
+ test_bit(PTLRPC_CTX_DEAD_BIT, &oldctx->cc_flags))) {
/*
* still get the old dead ctx, usually means system too busy
*/
"ctx (%p, fl %lx) doesn't switch, relax a little bit\n",
newctx, newctx->cc_flags);
- cfs_schedule_timeout_and_set_state(CFS_TASK_INTERRUPTIBLE,
- CFS_HZ);
- } else {
+ schedule_timeout_and_set_state(TASK_INTERRUPTIBLE,
+ HZ);
+ } else {
/*
* it's possible newctx == oldctx if we're switching
* subflavor with the same sec.
static
void ctx_refresh_interrupt(void *data)
{
- struct ptlrpc_request *req = data;
+ struct ptlrpc_request *req = data;
- cfs_spin_lock(&req->rq_lock);
- req->rq_intr = 1;
- cfs_spin_unlock(&req->rq_lock);
+ spin_lock(&req->rq_lock);
+ req->rq_intr = 1;
+ spin_unlock(&req->rq_lock);
}
static
void req_off_ctx_list(struct ptlrpc_request *req, struct ptlrpc_cli_ctx *ctx)
{
- cfs_spin_lock(&ctx->cc_lock);
- if (!cfs_list_empty(&req->rq_ctx_chain))
- cfs_list_del_init(&req->rq_ctx_chain);
- cfs_spin_unlock(&ctx->cc_lock);
+ spin_lock(&ctx->cc_lock);
+ if (!cfs_list_empty(&req->rq_ctx_chain))
+ cfs_list_del_init(&req->rq_ctx_chain);
+ spin_unlock(&ctx->cc_lock);
}
/**
if (cli_ctx_is_eternal(ctx))
RETURN(0);
- if (unlikely(cfs_test_bit(PTLRPC_CTX_NEW_BIT, &ctx->cc_flags))) {
+ if (unlikely(test_bit(PTLRPC_CTX_NEW_BIT, &ctx->cc_flags))) {
LASSERT(ctx->cc_ops->refresh);
ctx->cc_ops->refresh(ctx);
}
- LASSERT(cfs_test_bit(PTLRPC_CTX_NEW_BIT, &ctx->cc_flags) == 0);
+ LASSERT(test_bit(PTLRPC_CTX_NEW_BIT, &ctx->cc_flags) == 0);
LASSERT(ctx->cc_ops->validate);
if (ctx->cc_ops->validate(ctx) == 0) {
RETURN(0);
}
- if (unlikely(cfs_test_bit(PTLRPC_CTX_ERROR_BIT, &ctx->cc_flags))) {
- cfs_spin_lock(&req->rq_lock);
- req->rq_err = 1;
- cfs_spin_unlock(&req->rq_lock);
+ if (unlikely(test_bit(PTLRPC_CTX_ERROR_BIT, &ctx->cc_flags))) {
+ spin_lock(&req->rq_lock);
+ req->rq_err = 1;
+ spin_unlock(&req->rq_lock);
req_off_ctx_list(req, ctx);
RETURN(-EPERM);
}
* 2. Current context never be refreshed, then we are fine: we
* never really send request with old context before.
*/
- if (cfs_test_bit(PTLRPC_CTX_UPTODATE_BIT, &ctx->cc_flags) &&
- unlikely(req->rq_reqmsg) &&
- lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT) {
- req_off_ctx_list(req, ctx);
- RETURN(0);
- }
-
- if (unlikely(cfs_test_bit(PTLRPC_CTX_DEAD_BIT, &ctx->cc_flags))) {
- req_off_ctx_list(req, ctx);
- /*
- * don't switch ctx if import was deactivated
- */
- if (req->rq_import->imp_deactive) {
- cfs_spin_lock(&req->rq_lock);
- req->rq_err = 1;
- cfs_spin_unlock(&req->rq_lock);
- RETURN(-EINTR);
- }
-
- rc = sptlrpc_req_replace_dead_ctx(req);
- if (rc) {
- LASSERT(ctx == req->rq_cli_ctx);
- CERROR("req %p: failed to replace dead ctx %p: %d\n",
- req, ctx, rc);
- cfs_spin_lock(&req->rq_lock);
- req->rq_err = 1;
- cfs_spin_unlock(&req->rq_lock);
+ if (test_bit(PTLRPC_CTX_UPTODATE_BIT, &ctx->cc_flags) &&
+ unlikely(req->rq_reqmsg) &&
+ lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT) {
+ req_off_ctx_list(req, ctx);
+ RETURN(0);
+ }
+
+ if (unlikely(test_bit(PTLRPC_CTX_DEAD_BIT, &ctx->cc_flags))) {
+ req_off_ctx_list(req, ctx);
+ /*
+ * don't switch ctx if import was deactivated
+ */
+ if (req->rq_import->imp_deactive) {
+ spin_lock(&req->rq_lock);
+ req->rq_err = 1;
+ spin_unlock(&req->rq_lock);
+ RETURN(-EINTR);
+ }
+
+ rc = sptlrpc_req_replace_dead_ctx(req);
+ if (rc) {
+ LASSERT(ctx == req->rq_cli_ctx);
+ CERROR("req %p: failed to replace dead ctx %p: %d\n",
+ req, ctx, rc);
+ spin_lock(&req->rq_lock);
+ req->rq_err = 1;
+ spin_unlock(&req->rq_lock);
RETURN(rc);
}
* Now we're sure this context is during upcall, add myself into
* waiting list
*/
- cfs_spin_lock(&ctx->cc_lock);
- if (cfs_list_empty(&req->rq_ctx_chain))
- cfs_list_add(&req->rq_ctx_chain, &ctx->cc_req_list);
- cfs_spin_unlock(&ctx->cc_lock);
-
- if (timeout < 0)
- RETURN(-EWOULDBLOCK);
-
- /* Clear any flags that may be present from previous sends */
- LASSERT(req->rq_receiving_reply == 0);
- cfs_spin_lock(&req->rq_lock);
- req->rq_err = 0;
- req->rq_timedout = 0;
- req->rq_resend = 0;
- req->rq_restart = 0;
- cfs_spin_unlock(&req->rq_lock);
-
- lwi = LWI_TIMEOUT_INTR(timeout * CFS_HZ, ctx_refresh_timeout,
- ctx_refresh_interrupt, req);
- rc = l_wait_event(req->rq_reply_waitq, ctx_check_refresh(ctx), &lwi);
+ spin_lock(&ctx->cc_lock);
+ if (cfs_list_empty(&req->rq_ctx_chain))
+ cfs_list_add(&req->rq_ctx_chain, &ctx->cc_req_list);
+ spin_unlock(&ctx->cc_lock);
+
+ if (timeout < 0)
+ RETURN(-EWOULDBLOCK);
+
+ /* Clear any flags that may be present from previous sends */
+ LASSERT(req->rq_receiving_reply == 0);
+ spin_lock(&req->rq_lock);
+ req->rq_err = 0;
+ req->rq_timedout = 0;
+ req->rq_resend = 0;
+ req->rq_restart = 0;
+ spin_unlock(&req->rq_lock);
+
+ lwi = LWI_TIMEOUT_INTR(timeout * HZ, ctx_refresh_timeout,
+ ctx_refresh_interrupt, req);
+ rc = l_wait_event(req->rq_reply_waitq, ctx_check_refresh(ctx), &lwi);
/*
* following cases could lead us here:
sec = req->rq_cli_ctx->cc_sec;
- cfs_spin_lock(&sec->ps_lock);
- req->rq_flvr = sec->ps_flvr;
- cfs_spin_unlock(&sec->ps_lock);
+ spin_lock(&sec->ps_lock);
+ req->rq_flvr = sec->ps_flvr;
+ spin_unlock(&sec->ps_lock);
/* force SVC_NULL for context initiation rpc, SVC_INTG for context
* destruction rpc */
*/
int sptlrpc_import_check_ctx(struct obd_import *imp)
{
- struct ptlrpc_sec *sec;
- struct ptlrpc_cli_ctx *ctx;
- struct ptlrpc_request *req = NULL;
- int rc;
- ENTRY;
+ struct ptlrpc_sec *sec;
+ struct ptlrpc_cli_ctx *ctx;
+ struct ptlrpc_request *req = NULL;
+ int rc;
+ ENTRY;
- cfs_might_sleep();
+ might_sleep();
- sec = sptlrpc_import_sec_ref(imp);
- ctx = get_my_ctx(sec);
- sptlrpc_sec_put(sec);
+ sec = sptlrpc_import_sec_ref(imp);
+ ctx = get_my_ctx(sec);
+ sptlrpc_sec_put(sec);
if (!ctx)
RETURN(-ENOMEM);
RETURN(-EACCES);
}
- OBD_ALLOC_PTR(req);
- if (!req)
- RETURN(-ENOMEM);
+ req = ptlrpc_request_cache_alloc(GFP_NOFS);
+ if (!req)
+ RETURN(-ENOMEM);
- cfs_spin_lock_init(&req->rq_lock);
- cfs_atomic_set(&req->rq_refcount, 10000);
- CFS_INIT_LIST_HEAD(&req->rq_ctx_chain);
- cfs_waitq_init(&req->rq_reply_waitq);
- cfs_waitq_init(&req->rq_set_waitq);
- req->rq_import = imp;
- req->rq_flvr = sec->ps_flvr;
- req->rq_cli_ctx = ctx;
+ spin_lock_init(&req->rq_lock);
+ cfs_atomic_set(&req->rq_refcount, 10000);
+ CFS_INIT_LIST_HEAD(&req->rq_ctx_chain);
+ init_waitqueue_head(&req->rq_reply_waitq);
+ init_waitqueue_head(&req->rq_set_waitq);
+ req->rq_import = imp;
+ req->rq_flvr = sec->ps_flvr;
+ req->rq_cli_ctx = ctx;
rc = sptlrpc_req_refresh_ctx(req, 0);
LASSERT(cfs_list_empty(&req->rq_ctx_chain));
sptlrpc_cli_ctx_put(req->rq_cli_ctx, 1);
- OBD_FREE_PTR(req);
+ ptlrpc_request_cache_free(req);
- RETURN(rc);
+ RETURN(rc);
}
/**
* changed at any time, no matter we're holding rq_lock or not. For this reason
* we allocate a separate ptlrpc_request and reply buffer for early reply
* processing.
- *
+ *
* \retval 0 success, \a req_ret is filled with a duplicated ptlrpc_request.
* Later the caller must call sptlrpc_cli_finish_early_reply() on the returned
* \a *req_ret to release it.
* \retval -ev error number, and \a req_ret will not be set.
*/
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;
- ENTRY;
-
- OBD_ALLOC_PTR(early_req);
- if (early_req == NULL)
- RETURN(-ENOMEM);
-
- early_size = req->rq_nob_received;
- early_bufsz = size_roundup_power2(early_size);
- OBD_ALLOC_LARGE(early_buf, early_bufsz);
- if (early_buf == NULL)
- GOTO(err_req, rc = -ENOMEM);
-
- /* sanity checkings and copy data out, do it inside spinlock */
- cfs_spin_lock(&req->rq_lock);
-
- if (req->rq_replied) {
- cfs_spin_unlock(&req->rq_lock);
- GOTO(err_buf, rc = -EALREADY);
- }
-
- LASSERT(req->rq_repbuf);
- LASSERT(req->rq_repdata == NULL);
- LASSERT(req->rq_repmsg == NULL);
-
- if (req->rq_reply_off != 0) {
- CERROR("early reply with offset %u\n", req->rq_reply_off);
- cfs_spin_unlock(&req->rq_lock);
- GOTO(err_buf, rc = -EPROTO);
- }
-
- if (req->rq_nob_received != early_size) {
- /* even another early arrived the size should be the same */
- CERROR("data size has changed from %u to %u\n",
- early_size, req->rq_nob_received);
- cfs_spin_unlock(&req->rq_lock);
- GOTO(err_buf, rc = -EINVAL);
- }
-
- if (req->rq_nob_received < sizeof(struct lustre_msg)) {
- CERROR("early reply length %d too small\n",
- req->rq_nob_received);
- cfs_spin_unlock(&req->rq_lock);
- GOTO(err_buf, rc = -EALREADY);
- }
-
- memcpy(early_buf, req->rq_repbuf, early_size);
- cfs_spin_unlock(&req->rq_lock);
-
- cfs_spin_lock_init(&early_req->rq_lock);
+ struct ptlrpc_request **req_ret)
+{
+ struct ptlrpc_request *early_req;
+ char *early_buf;
+ int early_bufsz, early_size;
+ int rc;
+ ENTRY;
+
+ early_req = ptlrpc_request_cache_alloc(GFP_NOFS);
+ if (early_req == NULL)
+ RETURN(-ENOMEM);
+
+ early_size = req->rq_nob_received;
+ early_bufsz = size_roundup_power2(early_size);
+ OBD_ALLOC_LARGE(early_buf, early_bufsz);
+ if (early_buf == NULL)
+ GOTO(err_req, rc = -ENOMEM);
+
+ /* sanity checkings and copy data out, do it inside spinlock */
+ spin_lock(&req->rq_lock);
+
+ if (req->rq_replied) {
+ spin_unlock(&req->rq_lock);
+ GOTO(err_buf, rc = -EALREADY);
+ }
+
+ LASSERT(req->rq_repbuf);
+ LASSERT(req->rq_repdata == NULL);
+ LASSERT(req->rq_repmsg == NULL);
+
+ if (req->rq_reply_off != 0) {
+ CERROR("early reply with offset %u\n", req->rq_reply_off);
+ spin_unlock(&req->rq_lock);
+ GOTO(err_buf, rc = -EPROTO);
+ }
+
+ if (req->rq_nob_received != early_size) {
+ /* even another early arrived the size should be the same */
+ CERROR("data size has changed from %u to %u\n",
+ early_size, req->rq_nob_received);
+ spin_unlock(&req->rq_lock);
+ GOTO(err_buf, rc = -EINVAL);
+ }
+
+ if (req->rq_nob_received < sizeof(struct lustre_msg)) {
+ CERROR("early reply length %d too small\n",
+ req->rq_nob_received);
+ spin_unlock(&req->rq_lock);
+ GOTO(err_buf, rc = -EALREADY);
+ }
+
+ memcpy(early_buf, req->rq_repbuf, early_size);
+ spin_unlock(&req->rq_lock);
+
+ spin_lock_init(&early_req->rq_lock);
early_req->rq_cli_ctx = sptlrpc_cli_ctx_get(req->rq_cli_ctx);
early_req->rq_flvr = req->rq_flvr;
early_req->rq_repbuf = early_buf;
err_buf:
OBD_FREE_LARGE(early_buf, early_bufsz);
err_req:
- OBD_FREE_PTR(early_req);
- RETURN(rc);
+ ptlrpc_request_cache_free(early_req);
+ RETURN(rc);
}
/**
*/
void sptlrpc_cli_finish_early_reply(struct ptlrpc_request *early_req)
{
- LASSERT(early_req->rq_repbuf);
- LASSERT(early_req->rq_repdata);
- LASSERT(early_req->rq_repmsg);
+ LASSERT(early_req->rq_repbuf);
+ LASSERT(early_req->rq_repdata);
+ 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);
- OBD_FREE_PTR(early_req);
+ sptlrpc_cli_ctx_put(early_req->rq_cli_ctx, 1);
+ OBD_FREE_LARGE(early_req->rq_repbuf, early_req->rq_repbuf_len);
+ ptlrpc_request_cache_free(early_req);
}
/**************************************************
struct ptlrpc_sec *sptlrpc_import_sec_ref(struct obd_import *imp)
{
- struct ptlrpc_sec *sec;
+ struct ptlrpc_sec *sec;
- cfs_spin_lock(&imp->imp_lock);
- sec = sptlrpc_sec_get(imp->imp_sec);
- cfs_spin_unlock(&imp->imp_lock);
+ spin_lock(&imp->imp_lock);
+ sec = sptlrpc_sec_get(imp->imp_sec);
+ spin_unlock(&imp->imp_lock);
- return sec;
+ return sec;
}
EXPORT_SYMBOL(sptlrpc_import_sec_ref);
static void sptlrpc_import_sec_install(struct obd_import *imp,
struct ptlrpc_sec *sec)
{
- struct ptlrpc_sec *old_sec;
+ struct ptlrpc_sec *old_sec;
- LASSERT_ATOMIC_POS(&sec->ps_refcount);
+ LASSERT_ATOMIC_POS(&sec->ps_refcount);
- cfs_spin_lock(&imp->imp_lock);
- old_sec = imp->imp_sec;
- imp->imp_sec = sec;
- cfs_spin_unlock(&imp->imp_lock);
+ spin_lock(&imp->imp_lock);
+ old_sec = imp->imp_sec;
+ imp->imp_sec = sec;
+ spin_unlock(&imp->imp_lock);
if (old_sec) {
sptlrpc_sec_kill(old_sec);
sptlrpc_secflags2str(sf->sf_flags,
str2, sizeof(str2)));
- cfs_spin_lock(&sec->ps_lock);
- flavor_copy(&sec->ps_flvr, sf);
- cfs_spin_unlock(&sec->ps_lock);
+ spin_lock(&sec->ps_lock);
+ flavor_copy(&sec->ps_flvr, sf);
+ spin_unlock(&sec->ps_lock);
}
/**
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;
- ENTRY;
+ struct ptlrpc_connection *conn;
+ struct sptlrpc_flavor sf;
+ struct ptlrpc_sec *sec, *newsec;
+ enum lustre_sec_part sp;
+ char str[24];
+ int rc = 0;
+ ENTRY;
- cfs_might_sleep();
+ might_sleep();
- if (imp == NULL)
- RETURN(0);
+ if (imp == NULL)
+ RETURN(0);
- conn = imp->imp_connection;
+ conn = imp->imp_connection;
if (svc_ctx == NULL) {
struct client_obd *cliobd = &imp->imp_obd->u.cli;
sptlrpc_flavor2name(&sf, str, sizeof(str)));
}
- cfs_mutex_lock(&imp->imp_sec_mutex);
+ mutex_lock(&imp->imp_sec_mutex);
newsec = sptlrpc_sec_create(imp, svc_ctx, &sf, sp);
if (newsec) {
rc = -EPERM;
}
- cfs_mutex_unlock(&imp->imp_sec_mutex);
+ mutex_unlock(&imp->imp_sec_mutex);
out:
sptlrpc_sec_put(sec);
RETURN(rc);
void sptlrpc_import_flush_my_ctx(struct obd_import *imp)
{
- import_flush_ctx_common(imp, cfs_curproc_uid(), 1, 1);
+ import_flush_ctx_common(imp, current_uid(), 1, 1);
}
EXPORT_SYMBOL(sptlrpc_import_flush_my_ctx);
if (req->rq_ctx_fini)
return 0;
- cfs_spin_lock(&exp->exp_lock);
+ spin_lock(&exp->exp_lock);
/* if flavor just changed (exp->exp_flvr_changed != 0), we wait for
* the first req with the new flavor, then treat it as current flavor,
!(req->rq_ctx_init &&
(req->rq_auth_usr_root || req->rq_auth_usr_mdt ||
req->rq_auth_usr_ost))) {
- cfs_spin_unlock(&exp->exp_lock);
- CDEBUG(D_SEC, "is good but not root(%d:%d:%d:%d:%d)\n",
- req->rq_auth_gss, req->rq_ctx_init,
- req->rq_auth_usr_root, req->rq_auth_usr_mdt,
- req->rq_auth_usr_ost);
- return 0;
- }
+ spin_unlock(&exp->exp_lock);
+ CDEBUG(D_SEC, "is good but not root(%d:%d:%d:%d:%d)\n",
+ req->rq_auth_gss, req->rq_ctx_init,
+ req->rq_auth_usr_root, req->rq_auth_usr_mdt,
+ req->rq_auth_usr_ost);
+ return 0;
+ }
- exp->exp_flvr_adapt = 0;
- cfs_spin_unlock(&exp->exp_lock);
+ exp->exp_flvr_adapt = 0;
+ spin_unlock(&exp->exp_lock);
return sptlrpc_import_sec_adapt(exp->exp_imp_reverse,
req->rq_svc_ctx, &flavor);
if (!req->rq_auth_gss || !req->rq_ctx_init ||
(!req->rq_auth_usr_root && !req->rq_auth_usr_mdt &&
!req->rq_auth_usr_ost)) {
- cfs_spin_unlock(&exp->exp_lock);
- return 0;
- }
-
- /* if flavor just changed, we should not proceed, just leave
- * it and current flavor will be discovered and replaced
- * shortly, and let _this_ rpc pass through */
- if (exp->exp_flvr_changed) {
- LASSERT(exp->exp_flvr_adapt);
- cfs_spin_unlock(&exp->exp_lock);
- return 0;
- }
-
- if (exp->exp_flvr_adapt) {
- exp->exp_flvr_adapt = 0;
- CDEBUG(D_SEC, "exp %p (%x|%x|%x): do delayed adapt\n",
- exp, exp->exp_flvr.sf_rpc,
- exp->exp_flvr_old[0].sf_rpc,
- exp->exp_flvr_old[1].sf_rpc);
- flavor = exp->exp_flvr;
- cfs_spin_unlock(&exp->exp_lock);
-
- return sptlrpc_import_sec_adapt(exp->exp_imp_reverse,
- req->rq_svc_ctx,
- &flavor);
- } else {
- CDEBUG(D_SEC, "exp %p (%x|%x|%x): is current flavor, "
- "install rvs ctx\n", exp, exp->exp_flvr.sf_rpc,
- exp->exp_flvr_old[0].sf_rpc,
- exp->exp_flvr_old[1].sf_rpc);
- cfs_spin_unlock(&exp->exp_lock);
+ spin_unlock(&exp->exp_lock);
+ return 0;
+ }
+
+ /* if flavor just changed, we should not proceed, just leave
+ * it and current flavor will be discovered and replaced
+ * shortly, and let _this_ rpc pass through */
+ if (exp->exp_flvr_changed) {
+ LASSERT(exp->exp_flvr_adapt);
+ spin_unlock(&exp->exp_lock);
+ return 0;
+ }
+
+ if (exp->exp_flvr_adapt) {
+ exp->exp_flvr_adapt = 0;
+ CDEBUG(D_SEC, "exp %p (%x|%x|%x): do delayed adapt\n",
+ exp, exp->exp_flvr.sf_rpc,
+ exp->exp_flvr_old[0].sf_rpc,
+ exp->exp_flvr_old[1].sf_rpc);
+ flavor = exp->exp_flvr;
+ spin_unlock(&exp->exp_lock);
+
+ return sptlrpc_import_sec_adapt(exp->exp_imp_reverse,
+ req->rq_svc_ctx,
+ &flavor);
+ } else {
+ CDEBUG(D_SEC, "exp %p (%x|%x|%x): is current flavor, "
+ "install rvs ctx\n", exp, exp->exp_flvr.sf_rpc,
+ exp->exp_flvr_old[0].sf_rpc,
+ exp->exp_flvr_old[1].sf_rpc);
+ spin_unlock(&exp->exp_lock);
return sptlrpc_svc_install_rvs_ctx(exp->exp_imp_reverse,
req->rq_svc_ctx);
exp->exp_flvr_old[1].sf_rpc,
exp->exp_flvr_expire[0] -
cfs_time_current_sec());
- cfs_spin_unlock(&exp->exp_lock);
+ spin_unlock(&exp->exp_lock);
return 0;
}
} else {
exp->exp_flvr_old[1].sf_rpc,
exp->exp_flvr_expire[1] -
cfs_time_current_sec());
- cfs_spin_unlock(&exp->exp_lock);
+ spin_unlock(&exp->exp_lock);
return 0;
}
} else {
exp->exp_flvr_old[1].sf_rpc);
}
- cfs_spin_unlock(&exp->exp_lock);
+ 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",
LASSERT(obd);
- cfs_spin_lock(&obd->obd_dev_lock);
+ spin_lock(&obd->obd_dev_lock);
- cfs_list_for_each_entry(exp, &obd->obd_exports, exp_obd_chain) {
- if (exp->exp_connection == NULL)
- continue;
+ cfs_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. */
- cfs_spin_lock(&exp->exp_lock);
+ /* 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);
exp->exp_flvr.sf_rpc,
exp->exp_flvr_old[1].sf_rpc);
}
- cfs_spin_unlock(&exp->exp_lock);
- }
+ spin_unlock(&exp->exp_lock);
+ }
- cfs_spin_unlock(&obd->obd_dev_lock);
+ spin_unlock(&obd->obd_dev_lock);
}
EXPORT_SYMBOL(sptlrpc_target_update_exp_flavor);
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 */
+ CERROR("size of message is too big (%zd), %d allowed",
+ msglen + sizeof(struct ptlrpc_reply_state),
+ svcpt->scp_service->srv_max_reply_size);
+ RETURN(-ENOMEM);
+ }
+
/* failed alloc, try emergency pool */
- rs = lustre_get_emerg_rs(req->rq_rqbd->rqbd_svcpt);
+ rs = lustre_get_emerg_rs(svcpt);
if (rs == NULL)
RETURN(-ENOMEM);
int sptlrpc_pack_user_desc(struct lustre_msg *msg, int offset)
{
- struct ptlrpc_user_desc *pud;
+ struct ptlrpc_user_desc *pud;
- pud = lustre_msg_buf(msg, offset, 0);
+ pud = lustre_msg_buf(msg, offset, 0);
- pud->pud_uid = cfs_curproc_uid();
- pud->pud_gid = cfs_curproc_gid();
- pud->pud_fsuid = cfs_curproc_fsuid();
- pud->pud_fsgid = cfs_curproc_fsgid();
- pud->pud_cap = cfs_curproc_cap_pack();
- pud->pud_ngroups = (msg->lm_buflens[offset] - sizeof(*pud)) / 4;
+ pud->pud_uid = current_uid();
+ pud->pud_gid = current_gid();
+ pud->pud_fsuid = current_fsuid();
+ pud->pud_fsgid = current_fsgid();
+ pud->pud_cap = cfs_curproc_cap_pack();
+ pud->pud_ngroups = (msg->lm_buflens[offset] - sizeof(*pud)) / 4;
#ifdef __KERNEL__
- task_lock(current);
- if (pud->pud_ngroups > current_ngroups)
- pud->pud_ngroups = current_ngroups;
- memcpy(pud->pud_groups, current_cred()->group_info->blocks[0],
- pud->pud_ngroups * sizeof(__u32));
- task_unlock(current);
+ task_lock(current);
+ if (pud->pud_ngroups > current_ngroups)
+ pud->pud_ngroups = current_ngroups;
+ memcpy(pud->pud_groups, current_cred()->group_info->blocks[0],
+ pud->pud_ngroups * sizeof(__u32));
+ task_unlock(current);
#endif
- return 0;
+ return 0;
}
EXPORT_SYMBOL(sptlrpc_pack_user_desc);
{
int rc;
- cfs_rwlock_init(&policy_lock);
+ rwlock_init(&policy_lock);
rc = sptlrpc_gc_init();
if (rc)
git://git.whamcloud.com / fs / lustre-release.git / blobdiff