* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2013, Intel Corporation.
+ * Copyright (c) 2011, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define DEBUG_SUBSYSTEM S_FID
-#ifdef __KERNEL__
-# include <libcfs/libcfs.h>
-# include <linux/module.h>
-#else /* __KERNEL__ */
-# include <liblustre.h>
-#endif
-
+#include <linux/module.h>
+#include <libcfs/libcfs.h>
#include <obd.h>
#include <obd_class.h>
#include <obd_support.h>
int rc;
ENTRY;
+ LASSERT(exp != NULL && !IS_ERR(exp));
req = ptlrpc_request_alloc_pack(class_exp2cliimp(exp), &RQF_SEQ_QUERY,
LUSTRE_MDS_VERSION, SEQ_QUERY);
if (req == NULL)
req->rq_no_delay = req->rq_no_resend = 1;
debug_mask = D_CONSOLE;
} else {
- if (seq->lcs_type == LUSTRE_SEQ_METADATA)
+ if (seq->lcs_type == LUSTRE_SEQ_METADATA) {
+ req->rq_reply_portal = MDC_REPLY_PORTAL;
req->rq_request_portal = SEQ_METADATA_PORTAL;
- else
+ } else {
+ req->rq_reply_portal = OSC_REPLY_PORTAL;
req->rq_request_portal = SEQ_DATA_PORTAL;
+ }
+
debug_mask = D_INFO;
}
+ /* Allow seq client RPC during recovery time. */
+ req->rq_allow_replay = 1;
+
ptlrpc_at_set_req_timeout(req);
- if (seq->lcs_type == LUSTRE_SEQ_METADATA)
+ if (opc != SEQ_ALLOC_SUPER && seq->lcs_type == LUSTRE_SEQ_METADATA)
mdc_get_rpc_lock(exp->exp_obd->u.cli.cl_rpc_lock, NULL);
+
rc = ptlrpc_queue_wait(req);
- if (seq->lcs_type == LUSTRE_SEQ_METADATA)
+
+ if (opc != SEQ_ALLOC_SUPER && seq->lcs_type == LUSTRE_SEQ_METADATA)
mdc_put_rpc_lock(exp->exp_obd->u.cli.cl_rpc_lock, NULL);
if (rc)
GOTO(out_req, rc);
/* Allocate new sequence for client. */
static int seq_client_alloc_seq(const struct lu_env *env,
- struct lu_client_seq *seq, seqno_t *seqnr)
+ struct lu_client_seq *seq, u64 *seqnr)
{
int rc;
ENTRY;
}
static int seq_fid_alloc_prep(struct lu_client_seq *seq,
- cfs_waitlink_t *link)
+ wait_queue_t *link)
{
- if (seq->lcs_update) {
- cfs_waitq_add(&seq->lcs_waitq, link);
- cfs_set_current_state(CFS_TASK_UNINT);
+ if (seq->lcs_update) {
+ add_wait_queue(&seq->lcs_waitq, link);
+ set_current_state(TASK_UNINTERRUPTIBLE);
mutex_unlock(&seq->lcs_mutex);
- cfs_waitq_wait(link, CFS_TASK_UNINT);
+ schedule();
mutex_lock(&seq->lcs_mutex);
- cfs_waitq_del(&seq->lcs_waitq, link);
- cfs_set_current_state(CFS_TASK_RUNNING);
- return -EAGAIN;
- }
- ++seq->lcs_update;
+ remove_wait_queue(&seq->lcs_waitq, link);
+ set_current_state(TASK_RUNNING);
+ return -EAGAIN;
+ }
+ ++seq->lcs_update;
mutex_unlock(&seq->lcs_mutex);
- return 0;
+ return 0;
}
static void seq_fid_alloc_fini(struct lu_client_seq *seq)
{
- LASSERT(seq->lcs_update == 1);
+ LASSERT(seq->lcs_update == 1);
mutex_lock(&seq->lcs_mutex);
- --seq->lcs_update;
- cfs_waitq_signal(&seq->lcs_waitq);
+ --seq->lcs_update;
+ wake_up(&seq->lcs_waitq);
}
/**
* Allocate the whole seq to the caller.
**/
int seq_client_get_seq(const struct lu_env *env,
- struct lu_client_seq *seq, seqno_t *seqnr)
+ struct lu_client_seq *seq, u64 *seqnr)
{
- cfs_waitlink_t link;
- int rc;
+ wait_queue_t link;
+ int rc;
- LASSERT(seqnr != NULL);
+ LASSERT(seqnr != NULL);
mutex_lock(&seq->lcs_mutex);
- cfs_waitlink_init(&link);
+ init_waitqueue_entry(&link, current);
while (1) {
rc = seq_fid_alloc_prep(seq, &link);
/* Allocate new fid on passed client @seq and save it to @fid. */
int seq_client_alloc_fid(const struct lu_env *env,
- struct lu_client_seq *seq, struct lu_fid *fid)
+ struct lu_client_seq *seq, struct lu_fid *fid)
{
- cfs_waitlink_t link;
- int rc;
- ENTRY;
+ wait_queue_t link;
+ int rc;
+ ENTRY;
- LASSERT(seq != NULL);
- LASSERT(fid != NULL);
+ LASSERT(seq != NULL);
+ LASSERT(fid != NULL);
- cfs_waitlink_init(&link);
+ init_waitqueue_entry(&link, current);
mutex_lock(&seq->lcs_mutex);
if (OBD_FAIL_CHECK(OBD_FAIL_SEQ_EXHAUST))
seq->lcs_fid.f_oid = seq->lcs_width;
while (1) {
- seqno_t seqnr;
+ u64 seqnr;
if (!fid_is_zero(&seq->lcs_fid) &&
fid_oid(&seq->lcs_fid) < seq->lcs_width) {
*/
void seq_client_flush(struct lu_client_seq *seq)
{
- cfs_waitlink_t link;
+ wait_queue_t link;
- LASSERT(seq != NULL);
- cfs_waitlink_init(&link);
+ LASSERT(seq != NULL);
+ init_waitqueue_entry(&link, current);
mutex_lock(&seq->lcs_mutex);
- while (seq->lcs_update) {
- cfs_waitq_add(&seq->lcs_waitq, &link);
- cfs_set_current_state(CFS_TASK_UNINT);
+ while (seq->lcs_update) {
+ add_wait_queue(&seq->lcs_waitq, &link);
+ set_current_state(TASK_UNINTERRUPTIBLE);
mutex_unlock(&seq->lcs_mutex);
- cfs_waitq_wait(&link, CFS_TASK_UNINT);
+ schedule();
mutex_lock(&seq->lcs_mutex);
- cfs_waitq_del(&seq->lcs_waitq, &link);
- cfs_set_current_state(CFS_TASK_RUNNING);
- }
+ remove_wait_queue(&seq->lcs_waitq, &link);
+ set_current_state(TASK_RUNNING);
+ }
fid_zero(&seq->lcs_fid);
/**
static void seq_client_proc_fini(struct lu_client_seq *seq)
{
-#ifdef LPROCFS
+#ifdef CONFIG_PROC_FS
ENTRY;
if (seq->lcs_proc_dir) {
if (!IS_ERR(seq->lcs_proc_dir))
seq->lcs_proc_dir = NULL;
}
EXIT;
-#endif /* LPROCFS */
+#endif /* CONFIG_PROC_FS */
}
static int seq_client_proc_init(struct lu_client_seq *seq)
{
-#ifdef LPROCFS
+#ifdef CONFIG_PROC_FS
int rc;
ENTRY;
- seq->lcs_proc_dir = lprocfs_register(seq->lcs_name,
- seq_type_proc_dir,
- NULL, NULL);
-
+ seq->lcs_proc_dir = lprocfs_register(seq->lcs_name, seq_type_proc_dir,
+ NULL, NULL);
if (IS_ERR(seq->lcs_proc_dir)) {
CERROR("%s: LProcFS failed in seq-init\n",
seq->lcs_name);
RETURN(rc);
}
- rc = lprocfs_add_vars(seq->lcs_proc_dir,
- seq_client_proc_list, seq);
+ rc = lprocfs_add_vars(seq->lcs_proc_dir, seq_client_proc_list, seq);
if (rc) {
CERROR("%s: Can't init sequence manager "
"proc, rc %d\n", seq->lcs_name, rc);
seq_client_proc_fini(seq);
return rc;
-#else /* LPROCFS */
+#else /* !CONFIG_PROC_FS */
return 0;
-#endif
+#endif /* CONFIG_PROC_FS */
}
int seq_client_init(struct lu_client_seq *seq,
else
seq->lcs_width = LUSTRE_DATA_SEQ_MAX_WIDTH;
- cfs_waitq_init(&seq->lcs_waitq);
+ init_waitqueue_head(&seq->lcs_waitq);
/* Make sure that things are clear before work is started. */
seq_client_flush(seq);
if (exp != NULL)
seq->lcs_exp = class_export_get(exp);
- else if (type == LUSTRE_SEQ_METADATA)
- LASSERT(seq->lcs_srv != NULL);
snprintf(seq->lcs_name, sizeof(seq->lcs_name),
"cli-%s", prefix);
}
EXPORT_SYMBOL(client_fid_fini);
-#ifdef __KERNEL__
struct proc_dir_entry *seq_type_proc_dir;
static int __init fid_mod_init(void)
MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
MODULE_DESCRIPTION("Lustre FID Module");
+MODULE_VERSION(LUSTRE_VERSION_STRING);
MODULE_LICENSE("GPL");
-cfs_module(fid, "0.1.0", fid_mod_init, fid_mod_exit);
-#endif /* __KERNEL__ */
+module_init(fid_mod_init);
+module_exit(fid_mod_exit);