* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*/
/*
#include <lustre_log.h>
#include "ptlrpc_internal.h"
-static atomic_t llcd_count = ATOMIC_INIT(0);
+static cfs_atomic_t llcd_count = CFS_ATOMIC_INIT(0);
static cfs_mem_cache_t *llcd_cache = NULL;
#ifdef __KERNEL__
LLOG_LCM_FL_EXIT = 1 << 1
};
-static void llcd_print(struct llog_canceld_ctxt *llcd,
- const char *func, int line)
+static void llcd_print(struct llog_canceld_ctxt *llcd,
+ const char *func, int line)
{
CDEBUG(D_RPCTRACE, "Llcd (%p) at %s:%d:\n", llcd, func, line);
CDEBUG(D_RPCTRACE, " size: %d\n", llcd->llcd_size);
llcd->llcd_cookiebytes = 0;
llcd->llcd_size = size;
- spin_lock(&lcm->lcm_lock);
+ cfs_spin_lock(&lcm->lcm_lock);
llcd->llcd_lcm = lcm;
- atomic_inc(&lcm->lcm_count);
- list_add_tail(&llcd->llcd_list, &lcm->lcm_llcds);
- spin_unlock(&lcm->lcm_lock);
- atomic_inc(&llcd_count);
+ cfs_atomic_inc(&lcm->lcm_count);
+ cfs_list_add_tail(&llcd->llcd_list, &lcm->lcm_llcds);
+ cfs_spin_unlock(&lcm->lcm_lock);
+ cfs_atomic_inc(&llcd_count);
CDEBUG(D_RPCTRACE, "Alloc llcd %p on lcm %p (%d)\n",
- llcd, lcm, atomic_read(&lcm->lcm_count));
+ llcd, lcm, cfs_atomic_read(&lcm->lcm_count));
return llcd;
}
int size;
if (lcm) {
- if (atomic_read(&lcm->lcm_count) == 0) {
+ if (cfs_atomic_read(&lcm->lcm_count) == 0) {
CERROR("Invalid llcd free %p\n", llcd);
llcd_print(llcd, __FUNCTION__, __LINE__);
LBUG();
}
- spin_lock(&lcm->lcm_lock);
- LASSERT(!list_empty(&llcd->llcd_list));
- list_del_init(&llcd->llcd_list);
- atomic_dec(&lcm->lcm_count);
- spin_unlock(&lcm->lcm_lock);
-
- CDEBUG(D_RPCTRACE, "Free llcd %p on lcm %p (%d)\n",
- llcd, lcm, atomic_read(&lcm->lcm_count));
+ cfs_spin_lock(&lcm->lcm_lock);
+ LASSERT(!cfs_list_empty(&llcd->llcd_list));
+ cfs_list_del_init(&llcd->llcd_list);
+ cfs_atomic_dec(&lcm->lcm_count);
+ cfs_spin_unlock(&lcm->lcm_lock);
+
+ CDEBUG(D_RPCTRACE, "Free llcd %p on lcm %p (%d)\n",
+ llcd, lcm, cfs_atomic_read(&lcm->lcm_count));
}
- LASSERT(atomic_read(&llcd_count) > 0);
- atomic_dec(&llcd_count);
+ LASSERT(cfs_atomic_read(&llcd_count) > 0);
+ cfs_atomic_dec(&llcd_count);
- size = offsetof(struct llog_canceld_ctxt, llcd_cookies) +
+ size = offsetof(struct llog_canceld_ctxt, llcd_cookies) +
llcd->llcd_size;
OBD_SLAB_FREE(llcd, llcd_cache, size);
}
* Checks if passed cookie fits into llcd free space buffer. Returns
* 1 if yes and 0 otherwise.
*/
-static inline int
+static inline int
llcd_fit(struct llog_canceld_ctxt *llcd, struct llog_cookie *cookies)
{
return (llcd->llcd_size - llcd->llcd_cookiebytes >= sizeof(*cookies));
/**
* Copy passed @cookies to @llcd.
*/
-static inline void
+static inline void
llcd_copy(struct llog_canceld_ctxt *llcd, struct llog_cookie *cookies)
{
LASSERT(llcd_fit(llcd, cookies));
- memcpy((char *)llcd->llcd_cookies + llcd->llcd_cookiebytes,
+ memcpy((char *)llcd->llcd_cookies + llcd->llcd_cookiebytes,
cookies, sizeof(*cookies));
llcd->llcd_cookiebytes += sizeof(*cookies);
}
* Check if we're in exit stage. Do not send llcd in
* this case.
*/
- if (test_bit(LLOG_LCM_FL_EXIT, &lcm->lcm_flags))
+ if (cfs_test_bit(LLOG_LCM_FL_EXIT, &lcm->lcm_flags))
GOTO(exit, rc = -ENODEV);
CDEBUG(D_RPCTRACE, "Sending llcd %p\n", llcd);
if (!llcd)
return NULL;
- CDEBUG(D_RPCTRACE, "Detach llcd %p from ctxt %p\n",
+ CDEBUG(D_RPCTRACE, "Detach llcd %p from ctxt %p\n",
llcd, ctxt);
ctxt->loc_llcd = NULL;
static struct llog_canceld_ctxt *llcd_get(struct llog_ctxt *ctxt)
{
struct llog_canceld_ctxt *llcd;
-
+ LASSERT(ctxt);
llcd = llcd_alloc(ctxt->loc_lcm);
if (!llcd) {
CERROR("Can't alloc an llcd for ctxt %p\n", ctxt);
* Let all know that we're stopping. This will also make
* llcd_send() refuse any new llcds.
*/
- set_bit(LLOG_LCM_FL_EXIT, &lcm->lcm_flags);
+ cfs_set_bit(LLOG_LCM_FL_EXIT, &lcm->lcm_flags);
/*
* Stop processing thread. No new rpcs will be accepted for
* those forgotten in sync may still be attached to ctxt. Let's
* print them.
*/
- if (atomic_read(&lcm->lcm_count) != 0) {
+ if (cfs_atomic_read(&lcm->lcm_count) != 0) {
struct llog_canceld_ctxt *llcd;
- struct list_head *tmp;
+ cfs_list_t *tmp;
- CERROR("Busy llcds found (%d) on lcm %p\n",
- atomic_read(&lcm->lcm_count) == 0, lcm);
+ CERROR("Busy llcds found (%d) on lcm %p\n",
+ cfs_atomic_read(&lcm->lcm_count), lcm);
- spin_lock(&lcm->lcm_lock);
- list_for_each(tmp, &lcm->lcm_llcds) {
- llcd = list_entry(tmp, struct llog_canceld_ctxt,
- llcd_list);
+ cfs_spin_lock(&lcm->lcm_lock);
+ cfs_list_for_each(tmp, &lcm->lcm_llcds) {
+ llcd = cfs_list_entry(tmp, struct llog_canceld_ctxt,
+ llcd_list);
llcd_print(llcd, __FUNCTION__, __LINE__);
}
- spin_unlock(&lcm->lcm_lock);
-
+ cfs_spin_unlock(&lcm->lcm_lock);
+
/*
* No point to go further with busy llcds at this point
* as this is clear bug. It might mean we got hanging
* Try to create threads with unique names.
*/
snprintf(lcm->lcm_name, sizeof(lcm->lcm_name),
- "ll_log_commit_%s", name);
+ "lcm_%s", name);
- atomic_set(&lcm->lcm_count, 0);
- spin_lock_init(&lcm->lcm_lock);
+ cfs_atomic_set(&lcm->lcm_count, 0);
+ cfs_atomic_set(&lcm->lcm_refcount, 1);
+ cfs_spin_lock_init(&lcm->lcm_lock);
CFS_INIT_LIST_HEAD(&lcm->lcm_llcds);
rc = llog_recov_thread_start(lcm);
if (rc) {
{
ENTRY;
llog_recov_thread_stop(lcm, force);
- OBD_FREE_PTR(lcm);
+ lcm_put(lcm);
EXIT;
}
EXPORT_SYMBOL(llog_recov_thread_fini);
/*
* Start recovery in separate thread.
*/
- mutex_down(&ctxt->loc_sem);
+ cfs_mutex_down(&ctxt->loc_sem);
ctxt->loc_gen = *gen;
rc = llog_recov_thread_replay(ctxt, ctxt->llog_proc_cb, logid);
- mutex_up(&ctxt->loc_sem);
+ cfs_mutex_up(&ctxt->loc_sem);
RETURN(rc);
}
LASSERT(ctxt != NULL);
- mutex_down(&ctxt->loc_sem);
+ cfs_mutex_down(&ctxt->loc_sem);
+ if (!ctxt->loc_lcm) {
+ CDEBUG(D_RPCTRACE, "No lcm for ctxt %p\n", ctxt);
+ GOTO(out, rc = -ENODEV);
+ }
lcm = ctxt->loc_lcm;
+ CDEBUG(D_INFO, "cancel on lsm %p\n", lcm);
/*
* Let's check if we have all structures alive. We also check for
GOTO(out, rc = -ENODEV);
}
- if (test_bit(LLOG_LCM_FL_EXIT, &lcm->lcm_flags)) {
+ if (cfs_test_bit(LLOG_LCM_FL_EXIT, &lcm->lcm_flags)) {
CDEBUG(D_RPCTRACE, "Commit thread is stopping for ctxt %p\n",
ctxt);
GOTO(out, rc = -ENODEV);
* Allocation is successful, let's check for stop
* flag again to fall back as soon as possible.
*/
- if (test_bit(LLOG_LCM_FL_EXIT, &lcm->lcm_flags))
+ if (cfs_test_bit(LLOG_LCM_FL_EXIT, &lcm->lcm_flags))
GOTO(out, rc = -ENODEV);
}
* Allocation is successful, let's check for stop
* flag again to fall back as soon as possible.
*/
- if (test_bit(LLOG_LCM_FL_EXIT, &lcm->lcm_flags))
+ if (cfs_test_bit(LLOG_LCM_FL_EXIT, &lcm->lcm_flags))
GOTO(out, rc = -ENODEV);
}
out:
if (rc)
llcd_put(ctxt);
- mutex_up(&ctxt->loc_sem);
+ cfs_mutex_up(&ctxt->loc_sem);
return rc;
}
EXPORT_SYMBOL(llog_obd_repl_cancel);
int rc = 0;
ENTRY;
- /*
- * Flush any remaining llcd.
+ /*
+ * Flush any remaining llcd.
*/
- mutex_down(&ctxt->loc_sem);
+ cfs_mutex_down(&ctxt->loc_sem);
if (exp && (ctxt->loc_imp == exp->exp_imp_reverse)) {
/*
* This is ost->mds connection, we can't be sure that mds
*/
CDEBUG(D_RPCTRACE, "Kill cached llcd\n");
llcd_put(ctxt);
- mutex_up(&ctxt->loc_sem);
+ cfs_mutex_up(&ctxt->loc_sem);
} else {
- /*
+ /*
* This is either llog_sync() from generic llog code or sync
* on client disconnect. In either way let's do it and send
- * llcds to the target with waiting for completion.
+ * llcds to the target with waiting for completion.
*/
CDEBUG(D_RPCTRACE, "Sync cached llcd\n");
- mutex_up(&ctxt->loc_sem);
+ cfs_mutex_up(&ctxt->loc_sem);
rc = llog_cancel(ctxt, NULL, 0, NULL, OBD_LLOG_FL_SENDNOW);
}
RETURN(rc);
* In 2.6.22 cfs_mem_cache_destroy() will not return error
* for busy resources. Let's check it another way.
*/
- LASSERTF(atomic_read(&llcd_count) == 0,
+ LASSERTF(cfs_atomic_read(&llcd_count) == 0,
"Can't destroy llcd cache! Number of "
- "busy llcds: %d\n", atomic_read(&llcd_count));
+ "busy llcds: %d\n", cfs_atomic_read(&llcd_count));
cfs_mem_cache_destroy(llcd_cache);
llcd_cache = NULL;
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff