#define DEBUG_SUBSYSTEM S_CLASS
-#ifndef __KERNEL__
-#include <liblustre.h>
-#endif
#include <obd_class.h>
#include <lprocfs_status.h>
}
EXPORT_SYMBOL(lprocfs_evict_client_seq_write);
-#ifndef HAVE_ONLY_PROCFS_SEQ
-int lprocfs_wr_evict_client(struct file *file, const char __user *buffer,
- unsigned long count, void *data)
-{
- struct obd_device *obd = data;
- char *kbuf;
- char *tmpbuf;
-
- OBD_ALLOC(kbuf, BUFLEN);
- if (kbuf == NULL)
- return -ENOMEM;
-
- /*
- * OBD_ALLOC() will zero kbuf, but we only copy BUFLEN - 1
- * bytes into kbuf, to ensure that the string is NUL-terminated.
- * UUID_MAX should include a trailing NUL already.
- */
- if (copy_from_user(kbuf, buffer,
- min_t(unsigned long, BUFLEN - 1, count))) {
- count = -EFAULT;
- goto out;
- }
- tmpbuf = cfs_firststr(kbuf, min_t(unsigned long, BUFLEN - 1, count));
- class_incref(obd, __func__, current);
-
- if (strncmp(tmpbuf, "nid:", 4) == 0)
- obd_export_evict_by_nid(obd, tmpbuf + 4);
- else if (strncmp(tmpbuf, "uuid:", 5) == 0)
- obd_export_evict_by_uuid(obd, tmpbuf + 5);
- else
- obd_export_evict_by_uuid(obd, tmpbuf);
-
- class_decref(obd, __func__, current);
-out:
- OBD_FREE(kbuf, BUFLEN);
- return count;
-}
-EXPORT_SYMBOL(lprocfs_wr_evict_client);
-
-const struct file_operations lprocfs_evict_client_fops = {
- .owner = THIS_MODULE,
- .read = lprocfs_fops_read,
- .write = lprocfs_fops_write,
- .open = lprocfs_evict_client_open,
- .release = lprocfs_evict_client_release,
-};
-EXPORT_SYMBOL(lprocfs_evict_client_fops);
-
-/* Function that emulates snprintf but also has the side effect of advancing
- the page pointer for the next write into the buffer, incrementing the total
- length written to the buffer, and decrementing the size left in the
- buffer. */
-static int lprocfs_obd_snprintf(char **page, int end, int *len,
- const char *format, ...)
-{
- va_list list;
- int n;
-
- if (*len >= end)
- return 0;
-
- va_start(list, format);
- n = vsnprintf(*page, end - *len, format, list);
- va_end(list);
-
- *page += n; *len += n;
- return n;
-}
-#endif /* HAVE_ONLY_PROCFS_SEQ */
-
#undef BUFLEN
int lprocfs_num_exports_seq_show(struct seq_file *m, void *data)
/* not need locking because all clients is died */
while (!list_empty(&obd->obd_nid_stats)) {
stat = list_entry(obd->obd_nid_stats.next,
- struct nid_stat, nid_list);
+ struct nid_stat, nid_list);
list_del_init(&stat->nid_list);
cfs_hash_del(hash, &stat->nid, &stat->nid_hash);
lprocfs_free_client_stats(stat);
struct obd_export *exp = cfs_hash_object(hs, hnode);
if (exp->exp_lock_hash != NULL) {
- cfs_hash_debug_header_seq(m);
- cfs_hash_debug_str_seq(hs, m);
+ cfs_hash_debug_header(m);
+ cfs_hash_debug_str(hs, m);
}
return 0;
}
lprocfs_nid_stats_clear_seq_write(struct file *file, const char *buffer,
size_t count, loff_t *off)
{
- struct list_head free_list = LIST_HEAD_INIT(free_list);
struct seq_file *m = file->private_data;
struct obd_device *obd = m->private;
struct nid_stat *client_stat;
+ struct list_head free_list;
+ INIT_LIST_HEAD(&free_list);
cfs_hash_cond_del(obd->obd_nid_stats_hash,
lprocfs_nid_stats_clear_write_cb, &free_list);
}
EXPORT_SYMBOL(lprocfs_nid_stats_clear_seq_write);
-#ifndef HAVE_ONLY_PROCFS_SEQ
-int lprocfs_rd_num_exports(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct obd_device *obd = data;
-
- LASSERT(obd != NULL);
- *eof = 1;
- return snprintf(page, count, "%u\n", obd->obd_num_exports);
-}
-EXPORT_SYMBOL(lprocfs_rd_num_exports);
-
-int lprocfs_exp_rd_nid(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct obd_export *exp = data;
- LASSERT(exp != NULL);
- *eof = 1;
- return snprintf(page, count, "%s\n", obd_export_nid2str(exp));
-}
-
-struct exp_uuid_cb_data {
- char *page;
- int count;
- int *eof;
- int *len;
-};
-
-static void
-lprocfs_exp_rd_cb_data_init(struct exp_uuid_cb_data *cb_data, char *page,
- int count, int *eof, int *len)
-{
- cb_data->page = page;
- cb_data->count = count;
- cb_data->eof = eof;
- cb_data->len = len;
-}
-
-int lprocfs_exp_print_uuid(cfs_hash_t *hs, cfs_hash_bd_t *bd,
- struct hlist_node *hnode, void *cb_data)
-
-{
- struct obd_export *exp = cfs_hash_object(hs, hnode);
- struct exp_uuid_cb_data *data = (struct exp_uuid_cb_data *)cb_data;
-
- if (exp->exp_nid_stats)
- *data->len += snprintf((data->page + *data->len),
- data->count, "%s\n",
- obd_uuid2str(&exp->exp_client_uuid));
- return 0;
-}
-
-int lprocfs_exp_rd_uuid(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct nid_stat *stats = (struct nid_stat *)data;
- struct exp_uuid_cb_data cb_data;
- struct obd_device *obd = stats->nid_obd;
- int len = 0;
-
- *eof = 1;
- page[0] = '\0';
- lprocfs_exp_rd_cb_data_init(&cb_data, page, count, eof, &len);
- cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
- lprocfs_exp_print_uuid, &cb_data);
- return *cb_data.len;
-}
-
-int lprocfs_exp_print_hash(cfs_hash_t *hs, cfs_hash_bd_t *bd,
- struct hlist_node *hnode, void *cb_data)
-
-{
- struct exp_uuid_cb_data *data = cb_data;
- struct obd_export *exp = cfs_hash_object(hs, hnode);
-
- if (exp->exp_lock_hash != NULL) {
- if (!*data->len) {
- *data->len += cfs_hash_debug_header(data->page,
- data->count);
- }
- *data->len += cfs_hash_debug_str(hs, data->page + *data->len,
- data->count);
- }
- return 0;
-}
-
-int lprocfs_exp_rd_hash(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct nid_stat *stats = (struct nid_stat *)data;
- struct exp_uuid_cb_data cb_data;
- struct obd_device *obd = stats->nid_obd;
- int len = 0;
-
- *eof = 1;
- page[0] = '\0';
- lprocfs_exp_rd_cb_data_init(&cb_data, page, count, eof, &len);
-
- cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
- lprocfs_exp_print_hash, &cb_data);
- return *cb_data.len;
-}
-
-int lprocfs_nid_stats_clear_read(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- *eof = 1;
- return snprintf(page, count, "%s\n",
- "Write into this file to clear all nid stats and "
- "stale nid entries");
-}
-EXPORT_SYMBOL(lprocfs_nid_stats_clear_read);
-
-int lprocfs_nid_stats_clear_write(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- struct list_head free_list = LIST_HEAD_INIT(free_list);
- struct obd_device *obd = (struct obd_device *)data;
- struct nid_stat *client_stat;
-
- cfs_hash_cond_del(obd->obd_nid_stats_hash,
- lprocfs_nid_stats_clear_write_cb, &free_list);
-
- while (!list_empty(&free_list)) {
- client_stat = list_entry(free_list.next, struct nid_stat,
- nid_list);
- list_del_init(&client_stat->nid_list);
- lprocfs_free_client_stats(client_stat);
- }
-
- return count;
-}
-EXPORT_SYMBOL(lprocfs_nid_stats_clear_write);
-#endif
-
int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *nid, int *newnid)
{
struct nid_stat *new_stat, *old_stat;
GOTO(destroy_new_ns, rc);
}
-#ifndef HAVE_ONLY_PROCFS_SEQ
- entry = lprocfs_add_simple(new_stat->nid_proc, "uuid",
- lprocfs_exp_rd_uuid, NULL, new_stat, NULL);
-#else
entry = lprocfs_add_simple(new_stat->nid_proc, "uuid", new_stat,
&lprocfs_exp_uuid_fops);
-#endif
if (IS_ERR(entry)) {
CWARN("Error adding the NID stats file\n");
rc = PTR_ERR(entry);
GOTO(destroy_new_ns, rc);
}
-#ifndef HAVE_ONLY_PROCFS_SEQ
- entry = lprocfs_add_simple(new_stat->nid_proc, "hash",
- lprocfs_exp_rd_hash, NULL, new_stat, NULL);
-#else
entry = lprocfs_add_simple(new_stat->nid_proc, "hash", new_stat,
&lprocfs_exp_hash_fops);
-#endif
if (IS_ERR(entry)) {
CWARN("Error adding the hash file\n");
rc = PTR_ERR(entry);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, find_cbdata);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, init_export);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, destroy_export);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, llog_init);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, llog_finish);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, import_event);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, notify);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, health_check);
if (obd == NULL)
return 0;
- c += cfs_hash_debug_header_seq(m);
- c += cfs_hash_debug_str_seq(obd->obd_uuid_hash, m);
- c += cfs_hash_debug_str_seq(obd->obd_nid_hash, m);
- c += cfs_hash_debug_str_seq(obd->obd_nid_stats_hash, m);
+ c += cfs_hash_debug_header(m);
+ c += cfs_hash_debug_str(obd->obd_uuid_hash, m);
+ c += cfs_hash_debug_str(obd->obd_nid_hash, m);
+ c += cfs_hash_debug_str(obd->obd_nid_stats_hash, m);
return c;
}
EXPORT_SYMBOL(lprocfs_hash_seq_show);
}
EXPORT_SYMBOL(lprocfs_target_instance_seq_show);
-#ifndef HAVE_ONLY_PROCFS_SEQ
-int lprocfs_obd_rd_hash(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct obd_device *obd = data;
- int c = 0;
-
- if (obd == NULL)
- return 0;
-
- c += cfs_hash_debug_header(page, count);
- c += cfs_hash_debug_str(obd->obd_uuid_hash, page + c, count - c);
- c += cfs_hash_debug_str(obd->obd_nid_hash, page + c, count - c);
- c += cfs_hash_debug_str(obd->obd_nid_stats_hash, page+c, count-c);
-
- return c;
-}
-EXPORT_SYMBOL(lprocfs_obd_rd_hash);
-
-int lprocfs_obd_rd_recovery_status(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct obd_device *obd = data;
- int len = 0, size;
-
- LASSERT(obd != NULL);
- LASSERT(count >= 0);
-
- /* Set start of user data returned to
- page + off since the user may have
- requested to read much smaller than
- what we need to read */
- *start = page + off;
-
- /*
- * We know we are allocated a page here.
- * Also we know that this function will
- * not need to write more than a page
- * so we can truncate at PAGE_CACHE_SIZE.
- */
- size = min(count + (int)off + 1, (int)PAGE_CACHE_SIZE);
-
- /* Initialize the page */
- memset(page, 0, size);
-
- if (lprocfs_obd_snprintf(&page, size, &len, "status: ") <= 0)
- goto out;
- if (obd->obd_max_recoverable_clients == 0) {
- if (lprocfs_obd_snprintf(&page, size, &len, "INACTIVE\n") <= 0)
- goto out;
-
- goto fclose;
- }
-
- /* sampled unlocked, but really... */
- if (obd->obd_recovering == 0) {
- if (lprocfs_obd_snprintf(&page, size, &len, "COMPLETE\n") <= 0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len,
- "recovery_start: %lu\n",
- obd->obd_recovery_start) <= 0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len,
- "recovery_duration: %lu\n",
- obd->obd_recovery_end -
- obd->obd_recovery_start) <= 0)
- goto out;
- /* Number of clients that have completed recovery */
- if (lprocfs_obd_snprintf(&page, size, &len,
- "completed_clients: %d/%d\n",
- obd->obd_max_recoverable_clients -
- obd->obd_stale_clients,
- obd->obd_max_recoverable_clients) <= 0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len,
- "replayed_requests: %d\n",
- obd->obd_replayed_requests) <= 0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len,
- "last_transno: "LPD64"\n",
- obd->obd_next_recovery_transno - 1) <= 0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len, "VBR: %s\n",
- obd->obd_version_recov ?
- "ENABLED" : "DISABLED") <= 0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len, "IR: %s\n",
- obd->obd_no_ir ?
- "DISABLED" : "ENABLED") <= 0)
- goto out;
- goto fclose;
- }
-
- if (lprocfs_obd_snprintf(&page, size, &len, "RECOVERING\n") <= 0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len, "recovery_start: %lu\n",
- obd->obd_recovery_start) <= 0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len, "time_remaining: %lu\n",
- cfs_time_current_sec() >=
- obd->obd_recovery_start +
- obd->obd_recovery_timeout ? 0 :
- obd->obd_recovery_start +
- obd->obd_recovery_timeout -
- cfs_time_current_sec()) <= 0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len,
- "connected_clients: %d/%d\n",
- atomic_read(&obd->obd_connected_clients),
- obd->obd_max_recoverable_clients) <= 0)
- goto out;
- /* Number of clients that have completed recovery */
- if (lprocfs_obd_snprintf(&page, size, &len, "req_replay_clients: %d\n",
- atomic_read(&obd->obd_req_replay_clients))
- <= 0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len, "lock_repay_clients: %d\n",
- atomic_read(&obd->obd_lock_replay_clients))
- <= 0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len, "completed_clients: %d\n",
- atomic_read(&obd->obd_connected_clients) -
- atomic_read(&obd->obd_lock_replay_clients))
- <= 0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len, "evicted_clients: %d\n",
- obd->obd_stale_clients) <= 0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len, "replayed_requests: %d\n",
- obd->obd_replayed_requests) <= 0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len, "queued_requests: %d\n",
- obd->obd_requests_queued_for_recovery) <= 0)
- goto out;
-
- if (lprocfs_obd_snprintf(&page, size, &len, "next_transno: "LPD64"\n",
- obd->obd_next_recovery_transno) <= 0)
- goto out;
-
-fclose:
- *eof = 1;
-out:
- return min(count, len - (int)off);
-}
-EXPORT_SYMBOL(lprocfs_obd_rd_recovery_status);
-
-int lprocfs_obd_rd_ir_factor(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct obd_device *obd = (struct obd_device *)data;
- LASSERT(obd != NULL);
-
- return snprintf(page, count, "%d\n",
- obd->obd_recovery_ir_factor);
-}
-EXPORT_SYMBOL(lprocfs_obd_rd_ir_factor);
-
-int lprocfs_obd_wr_ir_factor(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- struct obd_device *obd = (struct obd_device *)data;
- int val, rc;
- LASSERT(obd != NULL);
-
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
-
- if (val < OBD_IR_FACTOR_MIN || val > OBD_IR_FACTOR_MAX)
- return -EINVAL;
-
- obd->obd_recovery_ir_factor = val;
- return count;
-}
-EXPORT_SYMBOL(lprocfs_obd_wr_ir_factor);
-
-int lprocfs_obd_rd_recovery_time_soft(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct obd_device *obd = (struct obd_device *)data;
- LASSERT(obd != NULL);
-
- return snprintf(page, count, "%d\n",
- obd->obd_recovery_timeout);
-}
-EXPORT_SYMBOL(lprocfs_obd_rd_recovery_time_soft);
-
-int lprocfs_obd_wr_recovery_time_soft(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- struct obd_device *obd = (struct obd_device *)data;
- int val, rc;
- LASSERT(obd != NULL);
-
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
-
- obd->obd_recovery_timeout = val;
- return count;
-}
-EXPORT_SYMBOL(lprocfs_obd_wr_recovery_time_soft);
-
-int lprocfs_obd_rd_recovery_time_hard(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct obd_device *obd = data;
- LASSERT(obd != NULL);
-
- return snprintf(page, count, "%u\n", obd->obd_recovery_time_hard);
-}
-EXPORT_SYMBOL(lprocfs_obd_rd_recovery_time_hard);
-
-int lprocfs_obd_wr_recovery_time_hard(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- struct obd_device *obd = data;
- int val, rc;
- LASSERT(obd != NULL);
-
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
-
- obd->obd_recovery_time_hard = val;
- return count;
-}
-EXPORT_SYMBOL(lprocfs_obd_wr_recovery_time_hard);
-
-int lprocfs_target_rd_instance(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct obd_device *obd = (struct obd_device *)data;
- struct obd_device_target *target = &obd->u.obt;
-
- LASSERT(obd != NULL);
- LASSERT(target->obt_magic == OBT_MAGIC);
- *eof = 1;
- return snprintf(page, count, "%u\n", obd->u.obt.obt_instance);
-}
-EXPORT_SYMBOL(lprocfs_target_rd_instance);
-#endif /* HAVE_ONLY_PROCFS_SEQ */
#endif /* LPROCFS*/
git://git.whamcloud.com / fs / lustre-release.git / blobdiff