#define MAX_STRING_SIZE 128
/* for bug 10866, global variable */
-DECLARE_RWSEM(_lprocfs_lock);
+CFS_DECLARE_RWSEM(_lprocfs_lock);
EXPORT_SYMBOL(_lprocfs_lock);
int lprocfs_seq_release(struct inode *inode, struct file *file)
}
struct proc_dir_entry *lprocfs_add_symlink(const char *name,
- struct proc_dir_entry *parent, const char *dest)
+ struct proc_dir_entry *parent, const char *format, ...)
{
struct proc_dir_entry *entry;
+ char *dest;
+ va_list ap;
- if (parent == NULL || dest == NULL)
+ if (parent == NULL || format == NULL)
return NULL;
+ OBD_ALLOC_WAIT(dest, MAX_STRING_SIZE + 1);
+ if (dest == NULL)
+ return NULL;
+
+ va_start(ap, format);
+ vsnprintf(dest, MAX_STRING_SIZE, format, ap);
+ va_end(ap);
+
entry = proc_symlink(name, parent, dest);
if (entry == NULL)
CERROR("LprocFS: Could not create symbolic link from %s to %s",
name, dest);
+
+ OBD_FREE(dest, MAX_STRING_SIZE + 1);
return entry;
}
if (page == NULL)
return -ENOMEM;
- LPROCFS_ENTRY();
+ if (LPROCFS_ENTRY_AND_CHECK(dp))
+ return -ENOENT;
+
OBD_FAIL_TIMEOUT(OBD_FAIL_LPROC_REMOVE, 10);
- if (!dp->deleted && dp->read_proc)
+ if (dp->read_proc)
rc = dp->read_proc(page, &start, *ppos, CFS_PAGE_SIZE,
&eof, dp->data);
LPROCFS_EXIT();
}
count = (rc < size) ? rc : size;
- if (copy_to_user(buf, start, count)) {
+ if (cfs_copy_to_user(buf, start, count)) {
rc = -EFAULT;
goto out;
}
struct proc_dir_entry *dp = PDE(f->f_dentry->d_inode);
int rc = -EIO;
- LPROCFS_ENTRY();
- if (!dp->deleted && dp->write_proc)
+ if (LPROCFS_ENTRY_AND_CHECK(dp))
+ return -ENOENT;
+ if (dp->write_proc)
rc = dp->write_proc(f, buf, size, dp->data);
LPROCFS_EXIT();
return rc;
struct proc_dir_entry *dp = PDE(f->f_dentry->d_inode);
struct obd_device *obd = dp->data;
- atomic_inc(&obd->obd_evict_inprogress);
+ cfs_atomic_inc(&obd->obd_evict_inprogress);
return 0;
}
struct proc_dir_entry *dp = PDE(f->f_dentry->d_inode);
struct obd_device *obd = dp->data;
- atomic_dec(&obd->obd_evict_inprogress);
- wake_up(&obd->obd_evict_inprogress_waitq);
+ cfs_atomic_dec(&obd->obd_evict_inprogress);
+ cfs_waitq_signal(&obd->obd_evict_inprogress_waitq);
return 0;
}
unsigned long tmp;
dummy[MAX_STRING_SIZE] = '\0';
- if (copy_from_user(dummy, buffer, MAX_STRING_SIZE))
+ if (cfs_copy_from_user(dummy, buffer, MAX_STRING_SIZE))
return -EFAULT;
tmp = simple_strtoul(dummy, &end, 0);
int lprocfs_rd_atomic(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
- atomic_t *atom = data;
+ cfs_atomic_t *atom = data;
LASSERT(atom != NULL);
*eof = 1;
- return snprintf(page, count, "%d\n", atomic_read(atom));
+ return snprintf(page, count, "%d\n", cfs_atomic_read(atom));
}
int lprocfs_wr_atomic(struct file *file, const char *buffer,
unsigned long count, void *data)
{
- atomic_t *atm = data;
+ cfs_atomic_t *atm = data;
int val = 0;
int rc;
if (val <= 0)
return -ERANGE;
- atomic_set(atm, val);
+ cfs_atomic_set(atm, val);
return count;
}
int *eof, void *data)
{
struct obd_statfs osfs;
- int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ,
+ int rc = obd_statfs(data, &osfs, cfs_time_current_64() - CFS_HZ,
OBD_STATFS_NODELAY);
if (!rc) {
*eof = 1;
int *eof, void *data)
{
struct obd_statfs osfs;
- int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ,
+ int rc = obd_statfs(data, &osfs, cfs_time_current_64() - CFS_HZ,
OBD_STATFS_NODELAY);
if (!rc) {
__u32 blk_size = osfs.os_bsize >> 10;
int *eof, void *data)
{
struct obd_statfs osfs;
- int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ,
+ int rc = obd_statfs(data, &osfs, cfs_time_current_64() - CFS_HZ,
OBD_STATFS_NODELAY);
if (!rc) {
__u32 blk_size = osfs.os_bsize >> 10;
int *eof, void *data)
{
struct obd_statfs osfs;
- int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ,
+ int rc = obd_statfs(data, &osfs, cfs_time_current_64() - CFS_HZ,
OBD_STATFS_NODELAY);
if (!rc) {
__u32 blk_size = osfs.os_bsize >> 10;
int *eof, void *data)
{
struct obd_statfs osfs;
- int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ,
+ int rc = obd_statfs(data, &osfs, cfs_time_current_64() - CFS_HZ,
OBD_STATFS_NODELAY);
if (!rc) {
*eof = 1;
int *eof, void *data)
{
struct obd_statfs osfs;
- int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ,
+ int rc = obd_statfs(data, &osfs, cfs_time_current_64() - CFS_HZ,
OBD_STATFS_NODELAY);
if (!rc) {
*eof = 1;
LPROCFS_CLIMP_CHECK(obd);
conn = obd->u.cli.cl_import->imp_connection;
- LASSERT(conn != NULL);
*eof = 1;
- if (obd->u.cli.cl_import) {
+ if (conn && obd->u.cli.cl_import) {
rc = snprintf(page, count, "%s\n",
conn->c_remote_uuid.uuid);
} else {
if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU)
num_cpu = 1;
else
- num_cpu = num_possible_cpus();
+ num_cpu = cfs_num_possible_cpus();
for (i = 0; i < num_cpu; i++) {
percpu_cntr = &(stats->ls_percpu[i])->lp_cntr[idx];
do {
- centry = atomic_read(&percpu_cntr->lc_cntl.la_entry);
+ centry = cfs_atomic_read(&percpu_cntr-> \
+ lc_cntl.la_entry);
t.lc_count = percpu_cntr->lc_count;
t.lc_sum = percpu_cntr->lc_sum;
t.lc_min = percpu_cntr->lc_min;
t.lc_max = percpu_cntr->lc_max;
t.lc_sumsquare = percpu_cntr->lc_sumsquare;
- } while (centry != atomic_read(&percpu_cntr->lc_cntl.la_entry) &&
- centry != atomic_read(&percpu_cntr->lc_cntl.la_exit));
+ } while (centry != cfs_atomic_read(&percpu_cntr->lc_cntl. \
+ la_entry) &&
+ centry != cfs_atomic_read(&percpu_cntr->lc_cntl. \
+ la_exit));
cnt->lc_count += t.lc_count;
cnt->lc_sum += t.lc_sum;
if (t.lc_min < cnt->lc_min)
"truncate_lock",
"initial_transno",
"inode_bit_locks",
- "join_file",
+ "join_file(obsolete)",
"getattr_by_fid",
"no_oh_for_devices",
- "local_client",
"remote_client",
+ "remote_client_by_force",
"max_byte_per_rpc",
"64bit_qdata",
"mds_capability",
" in-progress_invalidations: %u\n",
imp->imp_conn_cnt,
imp->imp_generation,
- atomic_read(&imp->imp_inval_count));
+ cfs_atomic_read(&imp->imp_inval_count));
lprocfs_stats_collect(obd->obd_svc_stats, PTLRPC_REQWAIT_CNTR, &ret);
do_div(ret.lc_sum, ret.lc_count);
" unregistering: %u\n"
" timeouts: %u\n"
" avg_waittime: "LPU64" %s\n",
- atomic_read(&imp->imp_inflight),
- atomic_read(&imp->imp_unregistering),
- atomic_read(&imp->imp_timeouts),
+ cfs_atomic_read(&imp->imp_inflight),
+ cfs_atomic_read(&imp->imp_unregistering),
+ cfs_atomic_read(&imp->imp_timeouts),
ret.lc_sum, ret.lc_units);
k = 0;
client_stat->nid_proc, client_stat->nid_stats,
client_stat->nid_brw_stats);
- LASSERTF(atomic_read(&client_stat->nid_exp_ref_count) == 0,
- "count %d\n", atomic_read(&client_stat->nid_exp_ref_count));
+ LASSERTF(cfs_atomic_read(&client_stat->nid_exp_ref_count) == 0,
+ "count %d\n",
+ cfs_atomic_read(&client_stat->nid_exp_ref_count));
- hlist_del_init(&client_stat->nid_hash);
+ cfs_hlist_del_init(&client_stat->nid_hash);
if (client_stat->nid_proc)
lprocfs_remove(&client_stat->nid_proc);
/* we need extra list - because hash_exit called to early */
/* 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);
- list_del_init(&stat->nid_list);
+ while(!cfs_list_empty(&obd->obd_nid_stats)) {
+ stat = cfs_list_entry(obd->obd_nid_stats.next,
+ struct nid_stat, nid_list);
+ cfs_list_del_init(&stat->nid_list);
lprocfs_free_client_stats(stat);
}
if (flags & LPROCFS_STATS_FLAG_NOPERCPU)
num_cpu = 1;
else
- num_cpu = num_possible_cpus();
+ num_cpu = cfs_num_possible_cpus();
OBD_ALLOC(stats, offsetof(typeof(*stats), ls_percpu[num_cpu]));
if (stats == NULL)
if (flags & LPROCFS_STATS_FLAG_NOPERCPU) {
stats->ls_flags = flags;
- spin_lock_init(&stats->ls_lock);
+ cfs_spin_lock_init(&stats->ls_lock);
/* Use this lock only if there are no percpu areas */
} else {
stats->ls_flags = 0;
percpusize = offsetof(struct lprocfs_percpu, lp_cntr[num]);
if (num_cpu > 1)
- percpusize = L1_CACHE_ALIGN(percpusize);
+ percpusize = CFS_L1_CACHE_ALIGN(percpusize);
for (i = 0; i < num_cpu; i++) {
OBD_ALLOC(stats->ls_percpu[i], percpusize);
if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU)
num_cpu = 1;
else
- num_cpu = num_possible_cpus();
+ num_cpu = cfs_num_possible_cpus();
percpusize = offsetof(struct lprocfs_percpu, lp_cntr[stats->ls_num]);
if (num_cpu > 1)
- percpusize = L1_CACHE_ALIGN(percpusize);
+ percpusize = CFS_L1_CACHE_ALIGN(percpusize);
for (i = 0; i < num_cpu; i++)
OBD_FREE(stats->ls_percpu[i], percpusize);
OBD_FREE(stats, offsetof(typeof(*stats), ls_percpu[num_cpu]));
for (i = 0; i < num_cpu; i++) {
for (j = 0; j < stats->ls_num; j++) {
percpu_cntr = &(stats->ls_percpu[i])->lp_cntr[j];
- atomic_inc(&percpu_cntr->lc_cntl.la_entry);
+ cfs_atomic_inc(&percpu_cntr->lc_cntl.la_entry);
percpu_cntr->lc_count = 0;
percpu_cntr->lc_sum = 0;
percpu_cntr->lc_min = LC_MIN_INIT;
percpu_cntr->lc_max = 0;
percpu_cntr->lc_sumsquare = 0;
- atomic_inc(&percpu_cntr->lc_cntl.la_exit);
+ cfs_atomic_inc(&percpu_cntr->lc_cntl.la_exit);
}
}
if (cntr == &(stats->ls_percpu[0])->lp_cntr[0]) {
struct timeval now;
- do_gettimeofday(&now);
+ cfs_gettimeofday(&now);
rc = seq_printf(p, "%-25s %lu.%lu secs.usecs\n",
"snapshot_time", now.tv_sec, now.tv_usec);
if (rc < 0)
struct seq_file *seq;
int rc;
- LPROCFS_ENTRY_AND_CHECK(dp);
+ if (LPROCFS_ENTRY_AND_CHECK(dp))
+ return -ENOENT;
+
rc = seq_open(file, &lprocfs_stats_seq_sops);
if (rc) {
LPROCFS_EXIT();
LPROCFS_OBD_OP_INIT(num_private_stats, stats, statfs_async);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, packmd);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, unpackmd);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, checkmd);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, preallocate);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, precreate);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, create);
*eof = 1;
page[0] = '\0';
lprocfs_exp_rd_cb_data_init(&cb_data, page, count, eof, &len);
- lustre_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
- lprocfs_exp_print_uuid, &cb_data);
+ cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
+ lprocfs_exp_print_uuid, &cb_data);
return (*cb_data.len);
}
{
struct exp_uuid_cb_data *data = cb_data;
struct obd_export *exp = obj;
- lustre_hash_t *lh;
+ cfs_hash_t *hs;
- lh = exp->exp_lock_hash;
- if (lh) {
+ hs = exp->exp_lock_hash;
+ if (hs) {
if (!*data->len)
- *data->len += lustre_hash_debug_header(data->page,
- data->count);
+ *data->len += cfs_hash_debug_header(data->page,
+ data->count);
- *data->len += lustre_hash_debug_str(lh, data->page + *data->len,
- data->count);
+ *data->len += cfs_hash_debug_str(hs, data->page + *data->len,
+ data->count);
}
}
page[0] = '\0';
lprocfs_exp_rd_cb_data_init(&cb_data, page, count, eof, &len);
- lustre_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
- lprocfs_exp_print_hash, &cb_data);
+ cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
+ lprocfs_exp_print_hash, &cb_data);
return (*cb_data.len);
}
ENTRY;
/* object has only hash + iterate_all references.
* add/delete blocked by hash bucket lock */
- CDEBUG(D_INFO,"refcnt %d\n", atomic_read(&stat->nid_exp_ref_count));
- if (atomic_read(&stat->nid_exp_ref_count) == 2) {
- hlist_del_init(&stat->nid_hash);
+ CDEBUG(D_INFO,"refcnt %d\n", cfs_atomic_read(&stat->nid_exp_ref_count));
+ if (cfs_atomic_read(&stat->nid_exp_ref_count) == 2) {
+ cfs_hlist_del_init(&stat->nid_hash);
nidstat_putref(stat);
- spin_lock(&stat->nid_obd->obd_nid_lock);
- list_move(&stat->nid_list, data);
- spin_unlock(&stat->nid_obd->obd_nid_lock);
+ cfs_spin_lock(&stat->nid_obd->obd_nid_lock);
+ cfs_list_move(&stat->nid_list, data);
+ cfs_spin_unlock(&stat->nid_obd->obd_nid_lock);
EXIT;
return;
}
struct nid_stat *client_stat;
CFS_LIST_HEAD(free_list);
- lustre_hash_for_each(obd->obd_nid_stats_hash,
- lprocfs_nid_stats_clear_write_cb, &free_list);
+ cfs_hash_for_each(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);
+ while (!cfs_list_empty(&free_list)) {
+ client_stat = cfs_list_entry(free_list.next, struct nid_stat,
+ nid_list);
+ cfs_list_del_init(&client_stat->nid_list);
lprocfs_free_client_stats(client_stat);
}
struct nid_stat *new_stat, *old_stat;
struct obd_device *obd = NULL;
cfs_proc_dir_entry_t *entry;
+ char *buffer = NULL;
int rc = 0;
ENTRY;
new_stat->nid = *nid;
new_stat->nid_obd = exp->exp_obd;
- atomic_set(&new_stat->nid_exp_ref_count, 0);
+ cfs_atomic_set(&new_stat->nid_exp_ref_count, 0);
- old_stat = lustre_hash_findadd_unique(obd->obd_nid_stats_hash,
- nid, &new_stat->nid_hash);
+ old_stat = cfs_hash_findadd_unique(obd->obd_nid_stats_hash,
+ nid, &new_stat->nid_hash);
CDEBUG(D_INFO, "Found stats %p for nid %s - ref %d\n",
old_stat, libcfs_nid2str(*nid),
- atomic_read(&new_stat->nid_exp_ref_count));
+ cfs_atomic_read(&new_stat->nid_exp_ref_count));
/* Return -EALREADY here so that we know that the /proc
* entry already has been created */
if (old_stat != new_stat) {
- spin_lock(&obd->obd_nid_lock);
+ cfs_spin_lock(&obd->obd_nid_lock);
if (exp->exp_nid_stats != old_stat) {
if (exp->exp_nid_stats)
nidstat_putref(exp->exp_nid_stats);
exp->exp_nid_stats = old_stat;
} else {
- /* lustre_hash_findadd_unique() has added
+ /* cfs_hash_findadd_unique() has added
* old_stat's refcount */
nidstat_putref(old_stat);
}
- spin_unlock(&obd->obd_nid_lock);
+ cfs_spin_unlock(&obd->obd_nid_lock);
GOTO(destroy_new, rc = -EALREADY);
}
/* not found - create */
- new_stat->nid_proc = lprocfs_register(libcfs_nid2str(*nid),
+ OBD_ALLOC(buffer, LNET_NIDSTR_SIZE);
+ if (buffer == NULL)
+ GOTO(destroy_new, rc = -ENOMEM);
+
+ memcpy(buffer, libcfs_nid2str(*nid), LNET_NIDSTR_SIZE);
+ new_stat->nid_proc = lprocfs_register(buffer,
obd->obd_proc_exports_entry,
NULL, NULL);
+ OBD_FREE(buffer, LNET_NIDSTR_SIZE);
+
if (new_stat->nid_proc == NULL) {
CERROR("Error making export directory for nid %s\n",
libcfs_nid2str(*nid));
exp->exp_nid_stats = new_stat;
*newnid = 1;
/* protect competitive add to list, not need locking on destroy */
- spin_lock(&obd->obd_nid_lock);
- list_add(&new_stat->nid_list, &obd->obd_nid_stats);
- spin_unlock(&obd->obd_nid_lock);
+ cfs_spin_lock(&obd->obd_nid_lock);
+ cfs_list_add(&new_stat->nid_list, &obd->obd_nid_stats);
+ cfs_spin_unlock(&obd->obd_nid_lock);
RETURN(rc);
destroy_new_ns:
if (new_stat->nid_proc != NULL)
lprocfs_remove(&new_stat->nid_proc);
- lustre_hash_del(obd->obd_nid_stats_hash, nid, &new_stat->nid_hash);
+ cfs_hash_del(obd->obd_nid_stats_hash, nid, &new_stat->nid_hash);
destroy_new:
OBD_FREE_PTR(new_stat);
nidstat_putref(exp->exp_nid_stats);
exp->exp_nid_stats = NULL;
- lprocfs_free_md_stats(exp->exp_obd);
return 0;
}
if (count > (sizeof(kernbuf) - 1))
return -EINVAL;
- if (copy_from_user(kernbuf, buffer, count))
+ if (cfs_copy_from_user(kernbuf, buffer, count))
return -EFAULT;
kernbuf[count] = '\0';
if (count > (sizeof(kernbuf) - 1))
return -EINVAL;
- if (copy_from_user(kernbuf, buffer, count))
+ if (cfs_copy_from_user(kernbuf, buffer, count))
return -EFAULT;
kernbuf[count] = '\0';
if (value >= OBD_HIST_MAX)
value = OBD_HIST_MAX - 1;
- spin_lock(&oh->oh_lock);
+ cfs_spin_lock(&oh->oh_lock);
oh->oh_buckets[value]++;
- spin_unlock(&oh->oh_lock);
+ cfs_spin_unlock(&oh->oh_lock);
}
EXPORT_SYMBOL(lprocfs_oh_tally);
void lprocfs_oh_clear(struct obd_histogram *oh)
{
- spin_lock(&oh->oh_lock);
+ cfs_spin_lock(&oh->oh_lock);
memset(oh->oh_buckets, 0, sizeof(oh->oh_buckets));
- spin_unlock(&oh->oh_lock);
+ cfs_spin_unlock(&oh->oh_lock);
}
EXPORT_SYMBOL(lprocfs_oh_clear);
if (obd == NULL)
return 0;
- c += lustre_hash_debug_header(page, count);
- c += lustre_hash_debug_str(obd->obd_uuid_hash, page + c, count - c);
- c += lustre_hash_debug_str(obd->obd_nid_hash, page + c, count - c);
- c += lustre_hash_debug_str(obd->obd_nid_stats_hash, page+c, count-c);
+ 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;
}
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)
+ cfs_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)
+ cfs_atomic_read(&obd->obd_lock_replay_clients))
+ <=0)
goto out;
if (lprocfs_obd_snprintf(&page, size, &len,"completed_clients: %d\n",
obd->obd_connected_clients -
- atomic_read(&obd->obd_lock_replay_clients))<=0)
+ cfs_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)
EXPORT_SYMBOL(lprocfs_obd_wr_recovery_maxtime);
-/**** Changelogs *****/
-#define D_CHANGELOG 0
-
-DECLARE_CHANGELOG_NAMES;
-
-/* How many records per seq_show. Too small, we spawn llog_process threads
- too often; too large, we run out of buffer space */
-#define CHANGELOG_CHUNK_SIZE 100
-
-static int changelog_show_cb(struct llog_handle *llh, struct llog_rec_hdr *hdr,
- void *data)
-{
- struct seq_file *seq = (struct seq_file *)data;
- struct changelog_seq_iter *csi = seq->private;
- struct llog_changelog_rec *rec = (struct llog_changelog_rec *)hdr;
- int rc;
- ENTRY;
-
- if ((rec->cr_hdr.lrh_type != CHANGELOG_REC) ||
- (rec->cr_type >= CL_LAST)) {
- CERROR("Not a changelog rec %d/%d\n", rec->cr_hdr.lrh_type,
- rec->cr_type);
- RETURN(-EINVAL);
- }
-
- CDEBUG(D_CHANGELOG, "rec="LPU64" start="LPU64" cat=%d:%d start=%d:%d\n",
- rec->cr_index, csi->csi_startrec,
- llh->lgh_hdr->llh_cat_idx, llh->lgh_cur_idx,
- csi->csi_startcat, csi->csi_startidx);
-
- if (rec->cr_index < csi->csi_startrec)
- /* Skip entries earlier than what we are interested in */
- RETURN(0);
- if (rec->cr_index == csi->csi_startrec) {
- /* Remember where we started, since seq_read will re-read
- * the data when it reallocs space. Sigh, if only there was
- * a way to tell seq_file how big the buf should be in the
- * first place...
- */
- csi->csi_startcat = llh->lgh_hdr->llh_cat_idx;
- csi->csi_startidx = rec->cr_hdr.lrh_index - 1;
- }
- if (csi->csi_wrote > CHANGELOG_CHUNK_SIZE) {
- /* Stop at some point with a reasonable seq_file buffer size.
- * Start from here the next time.
- */
- csi->csi_endrec = rec->cr_index - 1;
- csi->csi_startcat = llh->lgh_hdr->llh_cat_idx;
- csi->csi_startidx = rec->cr_hdr.lrh_index - 1;
- csi->csi_wrote = 0;
- RETURN(LLOG_PROC_BREAK);
- }
-
- rc = seq_printf(seq, LPU64" %02d%-5s "LPU64" 0x%x t="DFID,
- rec->cr_index, rec->cr_type,
- changelog_str[rec->cr_type], rec->cr_time,
- rec->cr_flags & CLF_FLAGMASK, PFID(&rec->cr_tfid));
-
- if (rec->cr_namelen)
- /* namespace rec includes parent and filename */
- rc += seq_printf(seq, " p="DFID" %.*s\n", PFID(&rec->cr_pfid),
- rec->cr_namelen, rec->cr_name);
- else
- rc += seq_puts(seq, "\n");
-
- if (rc < 0) {
- /* Ran out of room in the seq buffer. seq_read will dump
- * the whole buffer and re-seq_start with a larger one;
- * no point in continuing the llog_process */
- CDEBUG(D_CHANGELOG, "rec="LPU64" overflow "LPU64"<-"LPU64"\n",
- rec->cr_index, csi->csi_startrec, csi->csi_endrec);
- csi->csi_endrec = csi->csi_startrec - 1;
- csi->csi_wrote = 0;
- RETURN(LLOG_PROC_BREAK);
- }
-
- csi->csi_wrote++;
- csi->csi_endrec = rec->cr_index;
-
- RETURN(0);
-}
-
-static int changelog_seq_show(struct seq_file *seq, void *v)
-{
- struct changelog_seq_iter *csi = seq->private;
- int rc;
- ENTRY;
-
- if (csi->csi_fill) {
- /* seq_read wants more data to fill his buffer. But we already
- filled the buf as much as we cared to; force seq_read to
- accept that by padding with 0's */
- while (seq_putc(seq, 0) == 0);
- RETURN(0);
- }
-
- /* Since we have to restart the llog_cat_process for each chunk of the
- seq_ functions, start from where we left off. */
- rc = llog_cat_process(csi->csi_llh, changelog_show_cb, seq,
- csi->csi_startcat, csi->csi_startidx);
-
- CDEBUG(D_CHANGELOG,"seq_show "LPU64"-"LPU64" cat=%d:%d wrote=%d rc=%d\n",
- csi->csi_startrec, csi->csi_endrec, csi->csi_startcat,
- csi->csi_startidx, csi->csi_wrote, rc);
-
- if (rc == 0)
- csi->csi_done = 1;
- if (rc == LLOG_PROC_BREAK)
- /* more records left, but seq_show must return 0 */
- rc = 0;
- RETURN(rc);
-}
-
-static void *changelog_seq_start(struct seq_file *seq, loff_t *pos)
-{
- struct changelog_seq_iter *csi = seq->private;
- LASSERT(csi);
-
- CDEBUG(D_CHANGELOG, "start "LPU64"-"LPU64" pos="LPU64"\n",
- csi->csi_startrec, csi->csi_endrec, *pos);
-
- csi->csi_fill = 0;
-
- if (csi->csi_done)
- /* no more records, seq_read should return 0 if buffer
- is empty */
- return NULL;
-
- if (*pos > csi->csi_pos) {
- /* The seq_read implementation sucks. It may call start
- multiple times, using pos to indicate advances, if any,
- by arbitrarily increasing it by 1. So ignore the actual
- value of pos, and just register any increase as
- "seq_read wants the next values". */
- csi->csi_startrec = csi->csi_endrec + 1;
- csi->csi_pos = *pos;
- }
- /* else use old startrec/startidx */
-
- return csi;
-}
-
-static void changelog_seq_stop(struct seq_file *seq, void *v)
-{
- struct changelog_seq_iter *csi = seq->private;
-
- CDEBUG(D_CHANGELOG, "stop "LPU64"-"LPU64"\n",
- csi->csi_startrec, csi->csi_endrec);
-}
-
-static void *changelog_seq_next(struct seq_file *seq, void *v, loff_t *pos)
-{
- struct changelog_seq_iter *csi = seq->private;
-
- CDEBUG(D_CHANGELOG, "next "LPU64"-"LPU64" pos="LPU64"\n",
- csi->csi_startrec, csi->csi_endrec, *pos);
-
- csi->csi_fill = 1;
-
- return csi;
-}
-
-static struct seq_operations changelog_sops = {
- .start = changelog_seq_start,
- .stop = changelog_seq_stop,
- .next = changelog_seq_next,
- .show = changelog_seq_show,
-};
-
-int changelog_seq_open(struct inode *inode, struct file *file,
- struct changelog_seq_iter **csih)
-{
- struct changelog_seq_iter *csi;
- struct proc_dir_entry *dp = PDE(inode);
- struct seq_file *seq;
- int rc;
-
- LPROCFS_ENTRY_AND_CHECK(dp);
-
- rc = seq_open(file, &changelog_sops);
- if (rc) {
- LPROCFS_EXIT();
- return rc;
- }
-
- OBD_ALLOC_PTR(csi);
- if (csi == NULL) {
- lprocfs_seq_release(inode, file);
- return -ENOMEM;
- }
-
- csi->csi_dev = dp->data;
- seq = file->private_data;
- seq->private = csi;
- *csih = csi;
-
- return rc;
-}
-EXPORT_SYMBOL(changelog_seq_open);
-
-int changelog_seq_release(struct inode *inode, struct file *file)
-{
- struct seq_file *seq = file->private_data;
- struct changelog_seq_iter *csi = seq->private;
-
- if (csi)
- OBD_FREE_PTR(csi);
-
- return lprocfs_seq_release(inode, file);
-}
-EXPORT_SYMBOL(changelog_seq_release);
-
-#ifndef SEEK_CUR /* SLES10 needs this */
-#define SEEK_CUR 1
-#define SEEK_END 2
-#endif
-
-loff_t changelog_seq_lseek(struct file *file, loff_t offset, int origin)
-{
- struct seq_file *seq = (struct seq_file *)file->private_data;
- struct changelog_seq_iter *csi = seq->private;
-
- CDEBUG(D_CHANGELOG,"seek "LPU64"-"LPU64" off="LPU64":%d fpos="LPU64"\n",
- csi->csi_startrec, csi->csi_endrec, offset, origin, file->f_pos);
-
- LL_SEQ_LOCK(seq);
-
- switch (origin) {
- case SEEK_CUR:
- offset += csi->csi_endrec;
- break;
- case SEEK_END:
- /* we don't know the last rec */
- offset = -1;
- }
-
- /* SEEK_SET */
-
- if (offset < 0) {
- LL_SEQ_UNLOCK(seq);
- return -EINVAL;
- }
-
- csi->csi_startrec = offset;
- csi->csi_endrec = offset ? offset - 1 : 0;
-
- /* drop whatever is left in sucky seq_read's buffer */
- seq->count = 0;
- seq->from = 0;
- seq->index++;
- LL_SEQ_UNLOCK(seq);
- file->f_pos = csi->csi_startrec;
- return csi->csi_startrec;
-}
-EXPORT_SYMBOL(changelog_seq_lseek);
-
EXPORT_SYMBOL(lprocfs_register);
EXPORT_SYMBOL(lprocfs_srch);
EXPORT_SYMBOL(lprocfs_remove);
EXPORT_SYMBOL(lprocfs_alloc_obd_stats);
EXPORT_SYMBOL(lprocfs_alloc_md_stats);
EXPORT_SYMBOL(lprocfs_free_obd_stats);
+EXPORT_SYMBOL(lprocfs_free_md_stats);
EXPORT_SYMBOL(lprocfs_exp_setup);
EXPORT_SYMBOL(lprocfs_exp_cleanup);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff