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提交 d97cc644 编写于 作者: O Oleg Drokin 提交者： Greg Kroah-Hartman
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staging/lustre/ptlrpc: secure wrapping code cleanup 

Drop unused functions.
Reported-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NOleg Drokin <green@linuxhacker.ru>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
上级 11109260
隐藏空白更改
内联 并排
Showing with 0 addition and 528 deletion
drivers/staging/lustre/lustre/include/lustre_sec.h
浏览文件 @ d97cc644
......@@ -295,7 +295,6 @@ enum lustre_sec_part {
LUSTRE_SP_ANY = 0xFF
};
const char *sptlrpc_part2name(enum lustre_sec_part sp);
enum lustre_sec_part sptlrpc_target_sec_part(struct obd_device *obd);
/**
......@@ -339,7 +338,6 @@ int sptlrpc_rule_set_choose(struct sptlrpc_rule_set *rset,
enum lustre_sec_part to,
lnet_nid_t nid,
struct sptlrpc_flavor *sf);
void sptlrpc_rule_set_dump(struct sptlrpc_rule_set *set);
int sptlrpc_process_config(struct lustre_cfg *lcfg);
void sptlrpc_conf_log_start(const char *logname);
......@@ -347,10 +345,6 @@ void sptlrpc_conf_log_stop(const char *logname);
void sptlrpc_conf_log_update_begin(const char *logname);
void sptlrpc_conf_log_update_end(const char *logname);
void sptlrpc_conf_client_adapt(struct obd_device *obd);
void sptlrpc_target_choose_flavor(struct sptlrpc_rule_set *rset,
enum lustre_sec_part from,
lnet_nid_t nid,
struct sptlrpc_flavor *flavor);
/* The maximum length of security payload. 1024 is enough for Kerberos 5,
* and should be enough for other future mechanisms but not sure.
......@@ -1002,16 +996,12 @@ void sptlrpc_sec_put(struct ptlrpc_sec *sec);
* internal apis which only used by policy implementation
*/
int sptlrpc_get_next_secid(void);
void sptlrpc_sec_destroy(struct ptlrpc_sec *sec);
/*
* exported client context api
*/
struct ptlrpc_cli_ctx *sptlrpc_cli_ctx_get(struct ptlrpc_cli_ctx *ctx);
void sptlrpc_cli_ctx_put(struct ptlrpc_cli_ctx *ctx, int sync);
void sptlrpc_cli_ctx_expire(struct ptlrpc_cli_ctx *ctx);
void sptlrpc_cli_ctx_wakeup(struct ptlrpc_cli_ctx *ctx);
int sptlrpc_cli_ctx_display(struct ptlrpc_cli_ctx *ctx, char *buf, int bufsize);
/*
* exported client context wrap/buffers
......@@ -1054,7 +1044,6 @@ int sptlrpc_parse_rule(char *param, struct sptlrpc_rule *rule);
/* gc */
void sptlrpc_gc_add_sec(struct ptlrpc_sec *sec);
void sptlrpc_gc_del_sec(struct ptlrpc_sec *sec);
void sptlrpc_gc_add_ctx(struct ptlrpc_cli_ctx *ctx);
/* misc */
const char *sec2target_str(struct ptlrpc_sec *sec);
......@@ -1078,25 +1067,16 @@ int sptlrpc_svc_wrap_reply(struct ptlrpc_request *req);
void sptlrpc_svc_free_rs(struct ptlrpc_reply_state *rs);
void sptlrpc_svc_ctx_addref(struct ptlrpc_request *req);
void sptlrpc_svc_ctx_decref(struct ptlrpc_request *req);
void sptlrpc_svc_ctx_invalidate(struct ptlrpc_request *req);
int sptlrpc_target_export_check(struct obd_export *exp,
struct ptlrpc_request *req);
void sptlrpc_target_update_exp_flavor(struct obd_device *obd,
struct sptlrpc_rule_set *rset);
/*
* reverse context
*/
int sptlrpc_svc_install_rvs_ctx(struct obd_import *imp,
struct ptlrpc_svc_ctx *ctx);
int sptlrpc_cli_install_rvs_ctx(struct obd_import *imp,
struct ptlrpc_cli_ctx *ctx);
/* bulk security api */
int sptlrpc_enc_pool_add_user(void);
int sptlrpc_enc_pool_del_user(void);
int sptlrpc_enc_pool_get_pages(struct ptlrpc_bulk_desc *desc);
void sptlrpc_enc_pool_put_pages(struct ptlrpc_bulk_desc *desc);
int sptlrpc_cli_wrap_bulk(struct ptlrpc_request *req,
......
drivers/staging/lustre/lustre/ptlrpc/sec.c
浏览文件 @ d97cc644
......@@ -297,46 +297,6 @@ void sptlrpc_cli_ctx_put(struct ptlrpc_cli_ctx *ctx, int sync)
}
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;
......@@ -1229,12 +1189,6 @@ static void sec_cop_destroy_sec(struct ptlrpc_sec *sec)
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);
......@@ -1507,13 +1461,6 @@ static void import_flush_ctx_common(struct obd_import *imp,
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()),
......@@ -1697,16 +1644,6 @@ void sptlrpc_cli_free_repbuf(struct ptlrpc_request *req)
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)
{
......@@ -1921,46 +1858,6 @@ int sptlrpc_target_export_check(struct obd_export *exp,
}
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 */
......@@ -2183,19 +2080,6 @@ void sptlrpc_svc_ctx_decref(struct ptlrpc_request *req)
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 *
****************************************/
......
drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c
浏览文件 @ d97cc644
......@@ -302,150 +302,6 @@ static unsigned long enc_pools_cleanup(struct page ***pools, int npools)
return cleaned;
}
/*
* merge @npools pointed by @pools which contains @npages new pages
* into current pools.
*
* we have options to avoid most memory copy with some tricks. but we choose
* the simplest way to avoid complexity. It's not frequently called.
*/
static void enc_pools_insert(struct page ***pools, int npools, int npages)
{
int freeslot;
int op_idx, np_idx, og_idx, ng_idx;
int cur_npools, end_npools;
LASSERT(npages > 0);
LASSERT(page_pools.epp_total_pages+npages <= page_pools.epp_max_pages);
LASSERT(npages_to_npools(npages) == npools);
LASSERT(page_pools.epp_growing);
spin_lock(&page_pools.epp_lock);
/*
* (1) fill all the free slots of current pools.
*/
/* free slots are those left by rent pages, and the extra ones with
* index >= total_pages, locate at the tail of last pool. */
freeslot = page_pools.epp_total_pages % PAGES_PER_POOL;
if (freeslot != 0)
freeslot = PAGES_PER_POOL - freeslot;
freeslot += page_pools.epp_total_pages - page_pools.epp_free_pages;
op_idx = page_pools.epp_free_pages / PAGES_PER_POOL;
og_idx = page_pools.epp_free_pages % PAGES_PER_POOL;
np_idx = npools - 1;
ng_idx = (npages - 1) % PAGES_PER_POOL;
while (freeslot) {
LASSERT(page_pools.epp_pools[op_idx][og_idx] == NULL);
LASSERT(pools[np_idx][ng_idx] != NULL);
page_pools.epp_pools[op_idx][og_idx] = pools[np_idx][ng_idx];
pools[np_idx][ng_idx] = NULL;
freeslot--;
if (++og_idx == PAGES_PER_POOL) {
op_idx++;
og_idx = 0;
}
if (--ng_idx < 0) {
if (np_idx == 0)
break;
np_idx--;
ng_idx = PAGES_PER_POOL - 1;
}
}
/*
* (2) add pools if needed.
*/
cur_npools = (page_pools.epp_total_pages + PAGES_PER_POOL - 1) /
PAGES_PER_POOL;
end_npools = (page_pools.epp_total_pages + npages + PAGES_PER_POOL - 1)
/ PAGES_PER_POOL;
LASSERT(end_npools <= page_pools.epp_max_pools);
np_idx = 0;
while (cur_npools < end_npools) {
LASSERT(page_pools.epp_pools[cur_npools] == NULL);
LASSERT(np_idx < npools);
LASSERT(pools[np_idx] != NULL);
page_pools.epp_pools[cur_npools++] = pools[np_idx];
pools[np_idx++] = NULL;
}
page_pools.epp_total_pages += npages;
page_pools.epp_free_pages += npages;
page_pools.epp_st_lowfree = page_pools.epp_free_pages;
if (page_pools.epp_total_pages > page_pools.epp_st_max_pages)
page_pools.epp_st_max_pages = page_pools.epp_total_pages;
CDEBUG(D_SEC, "add %d pages to total %lu\n", npages,
page_pools.epp_total_pages);
spin_unlock(&page_pools.epp_lock);
}
static int enc_pools_add_pages(int npages)
{
static DEFINE_MUTEX(add_pages_mutex);
struct page ***pools;
int npools, alloced = 0;
int i, j, rc = -ENOMEM;
if (npages < PTLRPC_MAX_BRW_PAGES)
npages = PTLRPC_MAX_BRW_PAGES;
mutex_lock(&add_pages_mutex);
if (npages + page_pools.epp_total_pages > page_pools.epp_max_pages)
npages = page_pools.epp_max_pages - page_pools.epp_total_pages;
LASSERT(npages > 0);
page_pools.epp_st_grows++;
npools = npages_to_npools(npages);
pools = kcalloc(npools, sizeof(*pools), GFP_NOFS);
if (pools == NULL)
goto out;
for (i = 0; i < npools; i++) {
pools[i] = kzalloc(PAGE_CACHE_SIZE, GFP_NOFS);
if (!pools[i])
goto out_pools;
for (j = 0; j < PAGES_PER_POOL && alloced < npages; j++) {
pools[i][j] = alloc_page(GFP_NOFS |
__GFP_HIGHMEM);
if (pools[i][j] == NULL)
goto out_pools;
alloced++;
}
}
LASSERT(alloced == npages);
enc_pools_insert(pools, npools, npages);
CDEBUG(D_SEC, "added %d pages into pools\n", npages);
rc = 0;
out_pools:
enc_pools_cleanup(pools, npools);
kfree(pools);
out:
if (rc) {
page_pools.epp_st_grow_fails++;
CERROR("Failed to allocate %d enc pages\n", npages);
}
mutex_unlock(&add_pages_mutex);
return rc;
}
static inline void enc_pools_wakeup(void)
{
assert_spin_locked(&page_pools.epp_lock);
......@@ -457,156 +313,6 @@ static inline void enc_pools_wakeup(void)
}
}
static int enc_pools_should_grow(int page_needed, time64_t now)
{
/* don't grow if someone else is growing the pools right now,
* or the pools has reached its full capacity
*/
if (page_pools.epp_growing ||
page_pools.epp_total_pages == page_pools.epp_max_pages)
return 0;
/* if total pages is not enough, we need to grow */
if (page_pools.epp_total_pages < page_needed)
return 1;
/*
* we wanted to return 0 here if there was a shrink just happened
* moment ago, but this may cause deadlock if both client and ost
* live on single node.
*/
#if 0
if (now - page_pools.epp_last_shrink < 2)
return 0;
#endif
/*
* here we perhaps need consider other factors like wait queue
* length, idle index, etc. ?
*/
/* grow the pools in any other cases */
return 1;
}
/*
* we allocate the requested pages atomically.
*/
int sptlrpc_enc_pool_get_pages(struct ptlrpc_bulk_desc *desc)
{
wait_queue_t waitlink;
unsigned long this_idle = -1;
unsigned long tick = 0;
long now;
int p_idx, g_idx;
int i;
LASSERT(desc->bd_iov_count > 0);
LASSERT(desc->bd_iov_count <= page_pools.epp_max_pages);
/* resent bulk, enc iov might have been allocated previously */
if (desc->bd_enc_iov != NULL)
return 0;
desc->bd_enc_iov = kcalloc(desc->bd_iov_count,
sizeof(*desc->bd_enc_iov), GFP_NOFS);
if (desc->bd_enc_iov == NULL)
return -ENOMEM;
spin_lock(&page_pools.epp_lock);
page_pools.epp_st_access++;
again:
if (unlikely(page_pools.epp_free_pages < desc->bd_iov_count)) {
if (tick == 0)
tick = cfs_time_current();
now = ktime_get_seconds();
page_pools.epp_st_missings++;
page_pools.epp_pages_short += desc->bd_iov_count;
if (enc_pools_should_grow(desc->bd_iov_count, now)) {
page_pools.epp_growing = 1;
spin_unlock(&page_pools.epp_lock);
enc_pools_add_pages(page_pools.epp_pages_short / 2);
spin_lock(&page_pools.epp_lock);
page_pools.epp_growing = 0;
enc_pools_wakeup();
} else {
if (++page_pools.epp_waitqlen >
page_pools.epp_st_max_wqlen)
page_pools.epp_st_max_wqlen =
page_pools.epp_waitqlen;
set_current_state(TASK_UNINTERRUPTIBLE);
init_waitqueue_entry(&waitlink, current);
add_wait_queue(&page_pools.epp_waitq, &waitlink);
spin_unlock(&page_pools.epp_lock);
schedule();
remove_wait_queue(&page_pools.epp_waitq, &waitlink);
LASSERT(page_pools.epp_waitqlen > 0);
spin_lock(&page_pools.epp_lock);
page_pools.epp_waitqlen--;
}
LASSERT(page_pools.epp_pages_short >= desc->bd_iov_count);
page_pools.epp_pages_short -= desc->bd_iov_count;
this_idle = 0;
goto again;
}
/* record max wait time */
if (unlikely(tick != 0)) {
tick = cfs_time_current() - tick;
if (tick > page_pools.epp_st_max_wait)
page_pools.epp_st_max_wait = tick;
}
/* proceed with rest of allocation */
page_pools.epp_free_pages -= desc->bd_iov_count;
p_idx = page_pools.epp_free_pages / PAGES_PER_POOL;
g_idx = page_pools.epp_free_pages % PAGES_PER_POOL;
for (i = 0; i < desc->bd_iov_count; i++) {
LASSERT(page_pools.epp_pools[p_idx][g_idx] != NULL);
desc->bd_enc_iov[i].kiov_page =
page_pools.epp_pools[p_idx][g_idx];
page_pools.epp_pools[p_idx][g_idx] = NULL;
if (++g_idx == PAGES_PER_POOL) {
p_idx++;
g_idx = 0;
}
}
if (page_pools.epp_free_pages < page_pools.epp_st_lowfree)
page_pools.epp_st_lowfree = page_pools.epp_free_pages;
/*
* new idle index = (old * weight + new) / (weight + 1)
*/
if (this_idle == -1) {
this_idle = page_pools.epp_free_pages * IDLE_IDX_MAX /
page_pools.epp_total_pages;
}
page_pools.epp_idle_idx = (page_pools.epp_idle_idx * IDLE_IDX_WEIGHT +
this_idle) /
(IDLE_IDX_WEIGHT + 1);
page_pools.epp_last_access = ktime_get_seconds();
spin_unlock(&page_pools.epp_lock);
return 0;
}
EXPORT_SYMBOL(sptlrpc_enc_pool_get_pages);
void sptlrpc_enc_pool_put_pages(struct ptlrpc_bulk_desc *desc)
{
int p_idx, g_idx;
......@@ -651,41 +357,6 @@ void sptlrpc_enc_pool_put_pages(struct ptlrpc_bulk_desc *desc)
}
EXPORT_SYMBOL(sptlrpc_enc_pool_put_pages);
/*
* we don't do much stuff for add_user/del_user anymore, except adding some
* initial pages in add_user() if current pools are empty, rest would be
* handled by the pools's self-adaption.
*/
int sptlrpc_enc_pool_add_user(void)
{
int need_grow = 0;
spin_lock(&page_pools.epp_lock);
if (page_pools.epp_growing == 0 && page_pools.epp_total_pages == 0) {
page_pools.epp_growing = 1;
need_grow = 1;
}
spin_unlock(&page_pools.epp_lock);
if (need_grow) {
enc_pools_add_pages(PTLRPC_MAX_BRW_PAGES +
PTLRPC_MAX_BRW_PAGES);
spin_lock(&page_pools.epp_lock);
page_pools.epp_growing = 0;
enc_pools_wakeup();
spin_unlock(&page_pools.epp_lock);
}
return 0;
}
EXPORT_SYMBOL(sptlrpc_enc_pool_add_user);
int sptlrpc_enc_pool_del_user(void)
{
return 0;
}
EXPORT_SYMBOL(sptlrpc_enc_pool_del_user);
static inline void enc_pools_alloc(void)
{
LASSERT(page_pools.epp_max_pools);
......
drivers/staging/lustre/lustre/ptlrpc/sec_config.c
浏览文件 @ d97cc644
......@@ -48,27 +48,6 @@
#include "ptlrpc_internal.h"
const char *sptlrpc_part2name(enum lustre_sec_part part)
{
switch (part) {
case LUSTRE_SP_CLI:
return "cli";
case LUSTRE_SP_MDT:
return "mdt";
case LUSTRE_SP_OST:
return "ost";
case LUSTRE_SP_MGC:
return "mgc";
case LUSTRE_SP_MGS:
return "mgs";
case LUSTRE_SP_ANY:
return "any";
default:
return "err";
}
}
EXPORT_SYMBOL(sptlrpc_part2name);
enum lustre_sec_part sptlrpc_target_sec_part(struct obd_device *obd)
{
const char *type = obd->obd_type->typ_name;
......@@ -430,19 +409,6 @@ int sptlrpc_rule_set_choose(struct sptlrpc_rule_set *rset,
}
EXPORT_SYMBOL(sptlrpc_rule_set_choose);
void sptlrpc_rule_set_dump(struct sptlrpc_rule_set *rset)
{
struct sptlrpc_rule *r;
int n;
for (n = 0; n < rset->srs_nrule; n++) {
r = &rset->srs_rules[n];
CDEBUG(D_SEC, "<%02d> from %x to %x, net %x, rpc %x\n", n,
r->sr_from, r->sr_to, r->sr_netid, r->sr_flvr.sf_rpc);
}
}
EXPORT_SYMBOL(sptlrpc_rule_set_dump);
/**********************************
* sptlrpc configuration support *
**********************************/
......@@ -836,20 +802,6 @@ void sptlrpc_conf_choose_flavor(enum lustre_sec_part from,
flavor_set_flags(sf, from, to, 1);
}
/**
* called by target devices, determine the expected flavor from
* certain peer (from, nid).
*/
void sptlrpc_target_choose_flavor(struct sptlrpc_rule_set *rset,
enum lustre_sec_part from,
lnet_nid_t nid,
struct sptlrpc_flavor *sf)
{
if (sptlrpc_rule_set_choose(rset, from, LUSTRE_SP_ANY, nid, sf) == 0)
get_default_flavor(sf);
}
EXPORT_SYMBOL(sptlrpc_target_choose_flavor);
#define SEC_ADAPT_DELAY (10)
/**
......
drivers/staging/lustre/lustre/ptlrpc/sec_gc.c
浏览文件 @ d97cc644
......@@ -103,21 +103,6 @@ void sptlrpc_gc_del_sec(struct ptlrpc_sec *sec)
}
EXPORT_SYMBOL(sptlrpc_gc_del_sec);
void sptlrpc_gc_add_ctx(struct ptlrpc_cli_ctx *ctx)
{
LASSERT(list_empty(&ctx->cc_gc_chain));
CDEBUG(D_SEC, "hand over ctx %p(%u->%s)\n",
ctx, ctx->cc_vcred.vc_uid, sec2target_str(ctx->cc_sec));
spin_lock(&sec_gc_ctx_list_lock);
list_add(&ctx->cc_gc_chain, &sec_gc_ctx_list);
spin_unlock(&sec_gc_ctx_list_lock);
thread_add_flags(&sec_gc_thread, SVC_SIGNAL);
wake_up(&sec_gc_thread.t_ctl_waitq);
}
EXPORT_SYMBOL(sptlrpc_gc_add_ctx);
static void sec_process_ctx_list(void)
{
struct ptlrpc_cli_ctx *ctx;
......
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