* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*/
/*
#include <linux/slab.h>
#include <linux/dcache.h>
#include <linux/fs.h>
-#include <linux/random.h>
#include <linux/crypto.h>
#include <linux/key.h>
#include <linux/keyctl.h>
static inline void keyring_upcall_lock(struct gss_sec_keyring *gsec_kr)
{
#ifdef HAVE_KEYRING_UPCALL_SERIALIZED
- mutex_lock(&gsec_kr->gsk_uc_lock);
+ cfs_mutex_lock(&gsec_kr->gsk_uc_lock);
#endif
}
static inline void keyring_upcall_unlock(struct gss_sec_keyring *gsec_kr)
{
#ifdef HAVE_KEYRING_UPCALL_SERIALIZED
- mutex_unlock(&gsec_kr->gsk_uc_lock);
+ cfs_mutex_unlock(&gsec_kr->gsk_uc_lock);
#endif
}
cli_ctx_expire(ctx);
key_revoke_locked(key);
- sptlrpc_cli_ctx_wakeup(ctx);
}
static
LASSERT(timer);
CDEBUG(D_SEC, "ctx %p: start timer %lds\n", ctx, timeout);
- timeout = timeout * HZ + cfs_time_current();
+ timeout = timeout * CFS_HZ + cfs_time_current();
init_timer(timer);
timer->expires = timeout;
}
ctx->cc_expire = cfs_time_current_sec() + KEYRING_UPCALL_TIMEOUT;
- clear_bit(PTLRPC_CTX_NEW_BIT, &ctx->cc_flags);
- atomic_inc(&ctx->cc_refcount); /* for the caller */
+ cfs_clear_bit(PTLRPC_CTX_NEW_BIT, &ctx->cc_flags);
+ cfs_atomic_inc(&ctx->cc_refcount); /* for the caller */
return ctx;
}
/* at this time the association with key has been broken. */
LASSERT(sec);
- LASSERT(atomic_read(&sec->ps_refcount) > 0);
- LASSERT(atomic_read(&sec->ps_nctx) > 0);
- LASSERT(test_bit(PTLRPC_CTX_CACHED_BIT, &ctx->cc_flags) == 0);
+ LASSERT(cfs_atomic_read(&sec->ps_refcount) > 0);
+ LASSERT(cfs_atomic_read(&sec->ps_nctx) > 0);
+ LASSERT(cfs_test_bit(PTLRPC_CTX_CACHED_BIT, &ctx->cc_flags) == 0);
LASSERT(gctx_kr->gck_key == NULL);
ctx_clear_timer_kr(ctx);
OBD_FREE_PTR(gctx_kr);
- atomic_dec(&sec->ps_nctx);
+ cfs_atomic_dec(&sec->ps_nctx);
sptlrpc_sec_put(sec);
}
if (sync) {
ctx_destroy_kr(ctx);
} else {
- atomic_inc(&ctx->cc_refcount);
+ cfs_atomic_inc(&ctx->cc_refcount);
sptlrpc_gc_add_ctx(ctx);
}
}
static void ctx_put_kr(struct ptlrpc_cli_ctx *ctx, int sync)
{
- LASSERT(atomic_read(&ctx->cc_refcount) > 0);
+ LASSERT(cfs_atomic_read(&ctx->cc_refcount) > 0);
- if (atomic_dec_and_test(&ctx->cc_refcount))
+ if (cfs_atomic_dec_and_test(&ctx->cc_refcount))
ctx_release_kr(ctx, sync);
}
* - lock ctx -> unlist -> unlock ctx -> lock key -> unbind -> unlock key
*/
-static inline void spin_lock_if(spinlock_t *lock, int condition)
+static inline void spin_lock_if(cfs_spinlock_t *lock, int condition)
{
if (condition)
- spin_lock(lock);
+ cfs_spin_lock(lock);
}
-static inline void spin_unlock_if(spinlock_t *lock, int condition)
+static inline void spin_unlock_if(cfs_spinlock_t *lock, int condition)
{
if (condition)
- spin_unlock(lock);
+ cfs_spin_unlock(lock);
}
static void ctx_enlist_kr(struct ptlrpc_cli_ctx *ctx, int is_root, int locked)
struct ptlrpc_sec *sec = ctx->cc_sec;
struct gss_sec_keyring *gsec_kr = sec2gsec_keyring(sec);
- LASSERT(!test_bit(PTLRPC_CTX_CACHED_BIT, &ctx->cc_flags));
- LASSERT(atomic_read(&ctx->cc_refcount) > 0);
+ LASSERT(!cfs_test_bit(PTLRPC_CTX_CACHED_BIT, &ctx->cc_flags));
+ LASSERT(cfs_atomic_read(&ctx->cc_refcount) > 0);
spin_lock_if(&sec->ps_lock, !locked);
- atomic_inc(&ctx->cc_refcount);
- set_bit(PTLRPC_CTX_CACHED_BIT, &ctx->cc_flags);
- hlist_add_head(&ctx->cc_cache, &gsec_kr->gsk_clist);
+ cfs_atomic_inc(&ctx->cc_refcount);
+ cfs_set_bit(PTLRPC_CTX_CACHED_BIT, &ctx->cc_flags);
+ cfs_hlist_add_head(&ctx->cc_cache, &gsec_kr->gsk_clist);
if (is_root)
gsec_kr->gsk_root_ctx = ctx;
struct gss_sec_keyring *gsec_kr = sec2gsec_keyring(sec);
/* if hashed bit has gone, leave the job to somebody who is doing it */
- if (test_and_clear_bit(PTLRPC_CTX_CACHED_BIT, &ctx->cc_flags) == 0)
+ if (cfs_test_and_clear_bit(PTLRPC_CTX_CACHED_BIT, &ctx->cc_flags) == 0)
return 0;
/* drop ref inside spin lock to prevent race with other operations */
if (gsec_kr->gsk_root_ctx == ctx)
gsec_kr->gsk_root_ctx = NULL;
- hlist_del_init(&ctx->cc_cache);
- atomic_dec(&ctx->cc_refcount);
+ cfs_hlist_del_init(&ctx->cc_cache);
+ cfs_atomic_dec(&ctx->cc_refcount);
spin_unlock_if(&sec->ps_lock, !locked);
*/
static void bind_key_ctx(struct key *key, struct ptlrpc_cli_ctx *ctx)
{
- LASSERT(atomic_read(&ctx->cc_refcount) > 0);
+ LASSERT(cfs_atomic_read(&ctx->cc_refcount) > 0);
LASSERT(atomic_read(&key->usage) > 0);
LASSERT(ctx2gctx_keyring(ctx)->gck_key == NULL);
LASSERT(key->payload.data == NULL);
/* at this time context may or may not in list. */
key_get(key);
- atomic_inc(&ctx->cc_refcount);
+ cfs_atomic_inc(&ctx->cc_refcount);
ctx2gctx_keyring(ctx)->gck_key = key;
key->payload.data = ctx;
}
static void unbind_key_ctx(struct key *key, struct ptlrpc_cli_ctx *ctx)
{
LASSERT(key->payload.data == ctx);
- LASSERT(test_bit(PTLRPC_CTX_CACHED_BIT, &ctx->cc_flags) == 0);
+ LASSERT(cfs_test_bit(PTLRPC_CTX_CACHED_BIT, &ctx->cc_flags) == 0);
/* must revoke the key, or others may treat it as newly created */
key_revoke_locked(key);
/*
* caller should hold one ref on contexts in freelist.
*/
-static void dispose_ctx_list_kr(struct hlist_head *freelist)
+static void dispose_ctx_list_kr(cfs_hlist_head_t *freelist)
{
- struct hlist_node *pos, *next;
+ cfs_hlist_node_t *pos, *next;
struct ptlrpc_cli_ctx *ctx;
struct gss_cli_ctx *gctx;
- hlist_for_each_entry_safe(ctx, pos, next, freelist, cc_cache) {
- hlist_del_init(&ctx->cc_cache);
+ cfs_hlist_for_each_entry_safe(ctx, pos, next, freelist, cc_cache) {
+ cfs_hlist_del_init(&ctx->cc_cache);
/* reverse ctx: update current seq to buddy svcctx if exist.
* ideally this should be done at gss_cli_ctx_finalize(), but
if (!rawobj_empty(&gctx->gc_svc_handle) &&
sec_is_reverse(gctx->gc_base.cc_sec)) {
gss_svc_upcall_update_sequence(&gctx->gc_svc_handle,
- (__u32) atomic_read(&gctx->gc_seq));
+ (__u32) cfs_atomic_read(&gctx->gc_seq));
}
/* we need to wakeup waiting reqs here. the context might
struct gss_sec_keyring *gsec_kr = sec2gsec_keyring(sec);
struct ptlrpc_cli_ctx *ctx = NULL;
- spin_lock(&sec->ps_lock);
+ cfs_spin_lock(&sec->ps_lock);
ctx = gsec_kr->gsk_root_ctx;
if (ctx == NULL && unlikely(sec_is_reverse(sec))) {
- struct hlist_node *node;
+ cfs_hlist_node_t *node;
struct ptlrpc_cli_ctx *tmp;
/* reverse ctx, search root ctx in list, choose the one
* with shortest expire time, which is most possibly have
* an established peer ctx at client side. */
- hlist_for_each_entry(tmp, node, &gsec_kr->gsk_clist, cc_cache) {
+ cfs_hlist_for_each_entry(tmp, node, &gsec_kr->gsk_clist,
+ cc_cache) {
if (ctx == NULL || ctx->cc_expire == 0 ||
ctx->cc_expire > tmp->cc_expire) {
ctx = tmp;
}
if (ctx) {
- LASSERT(atomic_read(&ctx->cc_refcount) > 0);
- LASSERT(!hlist_empty(&gsec_kr->gsk_clist));
- atomic_inc(&ctx->cc_refcount);
+ LASSERT(cfs_atomic_read(&ctx->cc_refcount) > 0);
+ LASSERT(!cfs_hlist_empty(&gsec_kr->gsk_clist));
+ cfs_atomic_inc(&ctx->cc_refcount);
}
- spin_unlock(&sec->ps_lock);
+ cfs_spin_unlock(&sec->ps_lock);
return ctx;
}
struct key *key)
{
struct gss_sec_keyring *gsec_kr = sec2gsec_keyring(sec);
- struct hlist_node *hnode;
+ cfs_hlist_node_t *hnode;
struct ptlrpc_cli_ctx *ctx;
cfs_time_t now;
ENTRY;
LASSERT(sec_is_reverse(sec));
- spin_lock(&sec->ps_lock);
+ cfs_spin_lock(&sec->ps_lock);
now = cfs_time_current_sec();
/* set all existing ctxs short expiry */
- hlist_for_each_entry(ctx, hnode, &gsec_kr->gsk_clist, cc_cache) {
+ cfs_hlist_for_each_entry(ctx, hnode, &gsec_kr->gsk_clist, cc_cache) {
if (ctx->cc_expire > now + RVS_CTX_EXPIRE_NICE) {
ctx->cc_early_expire = 1;
ctx->cc_expire = now + RVS_CTX_EXPIRE_NICE;
if (key)
bind_key_ctx(key, new_ctx);
- spin_unlock(&sec->ps_lock);
+ cfs_spin_unlock(&sec->ps_lock);
}
static void construct_key_desc(void *buf, int bufsize,
CFS_INIT_HLIST_HEAD(&gsec_kr->gsk_clist);
gsec_kr->gsk_root_ctx = NULL;
- mutex_init(&gsec_kr->gsk_root_uc_lock);
+ cfs_mutex_init(&gsec_kr->gsk_root_uc_lock);
#ifdef HAVE_KEYRING_UPCALL_SERIALIZED
- mutex_init(&gsec_kr->gsk_uc_lock);
+ cfs_mutex_init(&gsec_kr->gsk_uc_lock);
#endif
if (gss_sec_create_common(&gsec_kr->gsk_base, &gss_policy_keyring,
CDEBUG(D_SEC, "destroy %s@%p\n", sec->ps_policy->sp_name, sec);
- LASSERT(hlist_empty(&gsec_kr->gsk_clist));
+ LASSERT(cfs_hlist_empty(&gsec_kr->gsk_clist));
LASSERT(gsec_kr->gsk_root_ctx == NULL);
gss_sec_destroy_common(gsec);
* the root upcall lock, make sure nobody else populated new root
* context after last check. */
if (is_root) {
- mutex_lock(&gsec_kr->gsk_root_uc_lock);
+ cfs_mutex_lock(&gsec_kr->gsk_root_uc_lock);
ctx = sec_lookup_root_ctx_kr(sec);
if (ctx)
if (likely(key->payload.data != NULL)) {
ctx = key->payload.data;
- LASSERT(atomic_read(&ctx->cc_refcount) >= 1);
+ LASSERT(cfs_atomic_read(&ctx->cc_refcount) >= 1);
LASSERT(ctx2gctx_keyring(ctx)->gck_key == key);
LASSERT(atomic_read(&key->usage) >= 2);
/* simply take a ref and return. it's upper layer's
* responsibility to detect & replace dead ctx. */
- atomic_inc(&ctx->cc_refcount);
+ cfs_atomic_inc(&ctx->cc_refcount);
} else {
/* pre initialization with a cli_ctx. this can't be done in
* key_instantiate() because we'v no enough information
key_put(key);
out:
if (is_root)
- mutex_unlock(&gsec_kr->gsk_root_uc_lock);
+ cfs_mutex_unlock(&gsec_kr->gsk_root_uc_lock);
RETURN(ctx);
}
struct ptlrpc_cli_ctx *ctx,
int sync)
{
- LASSERT(atomic_read(&sec->ps_refcount) > 0);
- LASSERT(atomic_read(&ctx->cc_refcount) == 0);
+ LASSERT(cfs_atomic_read(&sec->ps_refcount) > 0);
+ LASSERT(cfs_atomic_read(&ctx->cc_refcount) == 0);
ctx_release_kr(ctx, sync);
}
int grace, int force)
{
struct gss_sec_keyring *gsec_kr;
- struct hlist_head freelist = CFS_HLIST_HEAD_INIT;
- struct hlist_node *pos, *next;
+ cfs_hlist_head_t freelist = CFS_HLIST_HEAD_INIT;
+ cfs_hlist_node_t *pos, *next;
struct ptlrpc_cli_ctx *ctx;
ENTRY;
gsec_kr = sec2gsec_keyring(sec);
- spin_lock(&sec->ps_lock);
- hlist_for_each_entry_safe(ctx, pos, next,
- &gsec_kr->gsk_clist, cc_cache) {
- LASSERT(atomic_read(&ctx->cc_refcount) > 0);
+ cfs_spin_lock(&sec->ps_lock);
+ cfs_hlist_for_each_entry_safe(ctx, pos, next,
+ &gsec_kr->gsk_clist, cc_cache) {
+ LASSERT(cfs_atomic_read(&ctx->cc_refcount) > 0);
if (uid != -1 && uid != ctx->cc_vcred.vc_uid)
continue;
/* at this moment there's at least 2 base reference:
* key association and in-list. */
- if (atomic_read(&ctx->cc_refcount) > 2) {
+ if (cfs_atomic_read(&ctx->cc_refcount) > 2) {
if (!force)
continue;
CWARN("flush busy ctx %p(%u->%s, extra ref %d)\n",
ctx, ctx->cc_vcred.vc_uid,
sec2target_str(ctx->cc_sec),
- atomic_read(&ctx->cc_refcount) - 2);
+ cfs_atomic_read(&ctx->cc_refcount) - 2);
}
- set_bit(PTLRPC_CTX_DEAD_BIT, &ctx->cc_flags);
+ cfs_set_bit(PTLRPC_CTX_DEAD_BIT, &ctx->cc_flags);
if (!grace)
- clear_bit(PTLRPC_CTX_UPTODATE_BIT, &ctx->cc_flags);
+ cfs_clear_bit(PTLRPC_CTX_UPTODATE_BIT, &ctx->cc_flags);
- atomic_inc(&ctx->cc_refcount);
+ cfs_atomic_inc(&ctx->cc_refcount);
if (ctx_unlist_kr(ctx, 1)) {
- hlist_add_head(&ctx->cc_cache, &freelist);
+ cfs_hlist_add_head(&ctx->cc_cache, &freelist);
} else {
- LASSERT(atomic_read(&ctx->cc_refcount) >= 2);
- atomic_dec(&ctx->cc_refcount);
+ LASSERT(cfs_atomic_read(&ctx->cc_refcount) >= 2);
+ cfs_atomic_dec(&ctx->cc_refcount);
}
}
- spin_unlock(&sec->ps_lock);
+ cfs_spin_unlock(&sec->ps_lock);
dispose_ctx_list_kr(&freelist);
EXIT;
static
int gss_sec_flush_ctx_cache_kr(struct ptlrpc_sec *sec,
- uid_t uid,
- int grace, int force)
+ uid_t uid, int grace, int force)
{
ENTRY;
CDEBUG(D_SEC, "sec %p(%d, nctx %d), uid %d, grace %d, force %d\n",
- sec, atomic_read(&sec->ps_refcount), atomic_read(&sec->ps_nctx),
+ sec, cfs_atomic_read(&sec->ps_refcount),
+ cfs_atomic_read(&sec->ps_nctx),
uid, grace, force);
if (uid != -1 && uid != 0)
void gss_sec_gc_ctx_kr(struct ptlrpc_sec *sec)
{
struct gss_sec_keyring *gsec_kr = sec2gsec_keyring(sec);
- struct hlist_head freelist = CFS_HLIST_HEAD_INIT;
- struct hlist_node *pos, *next;
+ cfs_hlist_head_t freelist = CFS_HLIST_HEAD_INIT;
+ cfs_hlist_node_t *pos, *next;
struct ptlrpc_cli_ctx *ctx;
ENTRY;
CWARN("running gc\n");
- spin_lock(&sec->ps_lock);
- hlist_for_each_entry_safe(ctx, pos, next,
- &gsec_kr->gsk_clist, cc_cache) {
- LASSERT(atomic_read(&ctx->cc_refcount) > 0);
+ cfs_spin_lock(&sec->ps_lock);
+ cfs_hlist_for_each_entry_safe(ctx, pos, next,
+ &gsec_kr->gsk_clist, cc_cache) {
+ LASSERT(cfs_atomic_read(&ctx->cc_refcount) > 0);
- atomic_inc(&ctx->cc_refcount);
+ cfs_atomic_inc(&ctx->cc_refcount);
if (cli_ctx_check_death(ctx) && ctx_unlist_kr(ctx, 1)) {
- hlist_add_head(&ctx->cc_cache, &freelist);
+ cfs_hlist_add_head(&ctx->cc_cache, &freelist);
CWARN("unhashed ctx %p\n", ctx);
} else {
- LASSERT(atomic_read(&ctx->cc_refcount) >= 2);
- atomic_dec(&ctx->cc_refcount);
+ LASSERT(cfs_atomic_read(&ctx->cc_refcount) >= 2);
+ cfs_atomic_dec(&ctx->cc_refcount);
}
}
- spin_unlock(&sec->ps_lock);
+ cfs_spin_unlock(&sec->ps_lock);
dispose_ctx_list_kr(&freelist);
EXIT;
int gss_sec_display_kr(struct ptlrpc_sec *sec, struct seq_file *seq)
{
struct gss_sec_keyring *gsec_kr = sec2gsec_keyring(sec);
- struct hlist_node *pos, *next;
+ cfs_hlist_node_t *pos, *next;
struct ptlrpc_cli_ctx *ctx;
struct gss_cli_ctx *gctx;
time_t now = cfs_time_current_sec();
ENTRY;
- spin_lock(&sec->ps_lock);
- hlist_for_each_entry_safe(ctx, pos, next,
+ cfs_spin_lock(&sec->ps_lock);
+ cfs_hlist_for_each_entry_safe(ctx, pos, next,
&gsec_kr->gsk_clist, cc_cache) {
struct key *key;
char flags_str[40];
"seq %d, win %u, key %08x(ref %d), "
"hdl "LPX64":"LPX64", mech: %s\n",
ctx, ctx->cc_vcred.vc_uid,
- atomic_read(&ctx->cc_refcount),
+ cfs_atomic_read(&ctx->cc_refcount),
ctx->cc_expire,
ctx->cc_expire ? ctx->cc_expire - now : 0,
flags_str,
- atomic_read(&gctx->gc_seq),
+ cfs_atomic_read(&gctx->gc_seq),
gctx->gc_win,
key ? key->serial : 0,
key ? atomic_read(&key->usage) : 0,
gss_handle_to_u64(&gctx->gc_svc_handle),
mech);
}
- spin_unlock(&sec->ps_lock);
+ cfs_spin_unlock(&sec->ps_lock);
RETURN(0);
}
static
int gss_cli_ctx_validate_kr(struct ptlrpc_cli_ctx *ctx)
{
- LASSERT(atomic_read(&ctx->cc_refcount) > 0);
+ LASSERT(cfs_atomic_read(&ctx->cc_refcount) > 0);
LASSERT(ctx->cc_sec);
if (cli_ctx_check_death(ctx)) {
static
void gss_cli_ctx_die_kr(struct ptlrpc_cli_ctx *ctx, int grace)
{
- LASSERT(atomic_read(&ctx->cc_refcount) > 0);
+ LASSERT(cfs_atomic_read(&ctx->cc_refcount) > 0);
LASSERT(ctx->cc_sec);
cli_ctx_expire(ctx);
ENTRY;
if (data != NULL || datalen != 0) {
- CERROR("invalid: data %p, len "LPSZ"\n", data, datalen);
+ CERROR("invalid: data %p, len %lu\n", data, (long)datalen);
RETURN(-EINVAL);
}
*/
LASSERT(cfs_current()->signal->session_keyring);
- lockdep_off();
+ cfs_lockdep_off();
rc = key_link(cfs_current()->signal->session_keyring, key);
- lockdep_on();
+ cfs_lockdep_on();
if (unlikely(rc)) {
CERROR("failed to link key %08x to keyring %08x: %d\n",
key->serial,
ENTRY;
if (data == NULL || datalen == 0) {
- CWARN("invalid: data %p, len "LPSZ"\n", data, datalen);
+ CWARN("invalid: data %p, len %lu\n", data, (long)datalen);
RETURN(-EINVAL);
}
RETURN(rc);
}
- LASSERT(atomic_read(&ctx->cc_refcount) > 0);
+ LASSERT(cfs_atomic_read(&ctx->cc_refcount) > 0);
LASSERT(ctx->cc_sec);
ctx_clear_timer_kr(ctx);
/* don't proceed if already refreshed */
if (cli_ctx_is_refreshed(ctx)) {
CWARN("ctx already done refresh\n");
- sptlrpc_cli_ctx_wakeup(ctx);
RETURN(0);
}
cli_ctx_expire(ctx);
if (rc != -ERESTART)
- set_bit(PTLRPC_CTX_ERROR_BIT, &ctx->cc_flags);
+ cfs_set_bit(PTLRPC_CTX_ERROR_BIT, &ctx->cc_flags);
}
- sptlrpc_cli_ctx_wakeup(ctx);
-
/* let user space think it's a success */
sptlrpc_cli_ctx_put(ctx, 1);
RETURN(0);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff