#include "filter_internal.h"
-/* Group 0 is no longer a legal group, to catch uninitialized IDs */
-#define FILTER_MIN_GROUPS FILTER_GROUP_MDS1_N_BASE
static struct lvfs_callback_ops filter_lvfs_ops;
cfs_mem_cache_t *ll_fmd_cachep;
struct obd_export *exp = cb_data;
LASSERT(exp->exp_obd == obd);
obd_transno_commit_cb(obd, transno, exp, error);
- class_export_put(exp);
+ class_export_cb_put(exp);
}
int filter_version_get_check(struct obd_export *exp,
oti->oti_pre_version != curr_version) {
CDEBUG(D_INODE, "Version mismatch "LPX64" != "LPX64"\n",
oti->oti_pre_version, curr_version);
- spin_lock(&exp->exp_lock);
+ cfs_spin_lock(&exp->exp_lock);
exp->exp_vbr_failed = 1;
- spin_unlock(&exp->exp_lock);
+ cfs_spin_unlock(&exp->exp_lock);
RETURN (-EOVERFLOW);
}
oti->oti_pre_version = curr_version;
{
struct filter_obd *filter = &exp->exp_obd->u.filter;
struct filter_export_data *fed = &exp->exp_filter_data;
- struct lsd_client_data *lcd = fed->fed_lcd;
+ struct lr_server_data *fsd = class_server_data(exp->exp_obd);
+ struct lsd_client_data *lcd;
__u64 last_rcvd;
loff_t off;
int err, log_pri = D_RPCTRACE;
if (!exp->exp_obd->obd_replayable || oti == NULL)
RETURN(rc);
+ cfs_mutex_down(&fed->fed_lcd_lock);
+ lcd = fed->fed_lcd;
+ /* if the export has already been disconnected, we have no last_rcvd slot,
+ * update server data with latest transno then */
+ if (lcd == NULL) {
+ cfs_mutex_up(&fed->fed_lcd_lock);
+ CWARN("commit transaction for disconnected client %s: rc %d\n",
+ exp->exp_client_uuid.uuid, rc);
+ err = filter_update_server_data(exp->exp_obd);
+ RETURN(err);
+ }
+
/* we don't allocate new transnos for replayed requests */
- spin_lock(&filter->fo_translock);
+ cfs_spin_lock(&filter->fo_translock);
if (oti->oti_transno == 0) {
- last_rcvd = le64_to_cpu(filter->fo_fsd->lsd_last_transno) + 1;
- filter->fo_fsd->lsd_last_transno = cpu_to_le64(last_rcvd);
+ last_rcvd = le64_to_cpu(fsd->lsd_last_transno) + 1;
+ fsd->lsd_last_transno = cpu_to_le64(last_rcvd);
} else {
last_rcvd = oti->oti_transno;
- if (last_rcvd > le64_to_cpu(filter->fo_fsd->lsd_last_transno))
- filter->fo_fsd->lsd_last_transno =
- cpu_to_le64(last_rcvd);
+ if (last_rcvd > le64_to_cpu(fsd->lsd_last_transno))
+ fsd->lsd_last_transno = cpu_to_le64(last_rcvd);
}
oti->oti_transno = last_rcvd;
- if (last_rcvd <= le64_to_cpu(lcd->lcd_last_transno)) {
- spin_unlock(&filter->fo_translock);
- LBUG();
- }
+
+ LASSERT(last_rcvd >= le64_to_cpu(lcd->lcd_last_transno));
lcd->lcd_last_transno = cpu_to_le64(last_rcvd);
lcd->lcd_pre_versions[0] = cpu_to_le64(oti->oti_pre_version);
lcd->lcd_last_xid = cpu_to_le64(oti->oti_xid);
- spin_unlock(&filter->fo_translock);
+ cfs_spin_unlock(&filter->fo_translock);
if (inode)
fsfilt_set_version(exp->exp_obd, inode, last_rcvd);
fed->fed_lr_idx, fed->fed_lr_off);
err = -EINVAL;
} else {
- class_export_get(exp); /* released when the cb is called */
+ class_export_cb_get(exp); /* released when the cb is called */
if (!force_sync)
force_sync = fsfilt_add_journal_cb(exp->exp_obd,
last_rcvd,
CDEBUG(log_pri, "wrote trans "LPU64" for client %s at #%d: err = %d\n",
last_rcvd, lcd->lcd_uuid, fed->fed_lr_idx, err);
-
+ cfs_mutex_up(&fed->fed_lcd_lock);
RETURN(rc);
}
{
int i;
for (i = 0; i < BRW_LAST; i++)
- spin_lock_init(&brw_stats->hist[i].oh_lock);
+ cfs_spin_lock_init(&brw_stats->hist[i].oh_lock);
}
static int lprocfs_init_rw_stats(struct obd_device *obd,
OBD_ALLOC(tmp->nid_brw_stats, sizeof(struct brw_stats));
if (tmp->nid_brw_stats == NULL)
- RETURN(-ENOMEM);
+ GOTO(clean, rc = -ENOMEM);
init_brw_stats(tmp->nid_brw_stats);
rc = lprocfs_seq_create(exp->exp_nid_stats->nid_proc, "brw_stats",
rc = lprocfs_init_rw_stats(obd, &exp->exp_nid_stats->nid_stats);
if (rc)
- RETURN(rc);
+ GOTO(clean, rc);
rc = lprocfs_register_stats(tmp->nid_proc, "stats",
tmp->nid_stats);
if (rc)
- RETURN(rc);
+ GOTO(clean, rc);
/* Always add in ldlm_stats */
tmp->nid_ldlm_stats =
lprocfs_alloc_stats(LDLM_LAST_OPC - LDLM_FIRST_OPC,
LPROCFS_STATS_FLAG_NOPERCPU);
if (tmp->nid_ldlm_stats == NULL)
- return -ENOMEM;
+ GOTO(clean, rc = -ENOMEM);
lprocfs_init_ldlm_stats(tmp->nid_ldlm_stats);
rc = lprocfs_register_stats(tmp->nid_proc, "ldlm_stats",
tmp->nid_ldlm_stats);
if (rc)
- RETURN(rc);
+ GOTO(clean, rc);
}
RETURN(0);
+ clean:
+ lprocfs_exp_cleanup(exp);
+ return rc;
}
/* Add client data to the FILTER. We use a bitmap to locate a free space
{
struct filter_obd *filter = &obd->u.filter;
struct filter_export_data *fed = &exp->exp_filter_data;
+ struct lr_server_data *fsd = class_server_data(obd);
unsigned long *bitmap = filter->fo_last_rcvd_slots;
int new_client = (cl_idx == -1);
* there's no need for extra complication here
*/
if (new_client) {
- cl_idx = find_first_zero_bit(bitmap, LR_MAX_CLIENTS);
+ cl_idx = cfs_find_first_zero_bit(bitmap, LR_MAX_CLIENTS);
repeat:
if (cl_idx >= LR_MAX_CLIENTS) {
CERROR("no room for %u client - fix LR_MAX_CLIENTS\n",
cl_idx);
RETURN(-EOVERFLOW);
}
- if (test_and_set_bit(cl_idx, bitmap)) {
- cl_idx = find_next_zero_bit(bitmap, LR_MAX_CLIENTS,
- cl_idx);
+ if (cfs_test_and_set_bit(cl_idx, bitmap)) {
+ cl_idx = cfs_find_next_zero_bit(bitmap, LR_MAX_CLIENTS,
+ cl_idx);
goto repeat;
}
} else {
- if (test_and_set_bit(cl_idx, bitmap)) {
+ if (cfs_test_and_set_bit(cl_idx, bitmap)) {
CERROR("FILTER client %d: bit already set in bitmap!\n",
cl_idx);
LBUG();
}
fed->fed_lr_idx = cl_idx;
- fed->fed_lr_off = le32_to_cpu(filter->fo_fsd->lsd_client_start) +
- cl_idx * le16_to_cpu(filter->fo_fsd->lsd_client_size);
+ fed->fed_lr_off = le32_to_cpu(fsd->lsd_client_start) +
+ cl_idx * le16_to_cpu(fsd->lsd_client_size);
+ cfs_init_mutex(&fed->fed_lcd_lock);
LASSERTF(fed->fed_lr_off > 0, "fed_lr_off = %llu\n", fed->fed_lr_off);
CDEBUG(D_INFO, "client at index %d (%llu) with UUID '%s' added\n",
CDEBUG(D_INFO, "writing client lcd at idx %u (%llu) (len %u)\n",
fed->fed_lr_idx,off,(unsigned int)sizeof(*fed->fed_lcd));
+ if (OBD_FAIL_CHECK(OBD_FAIL_TGT_CLIENT_ADD))
+ RETURN(-ENOSPC);
+
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
/* Transaction needed to fix bug 1403 */
handle = fsfilt_start(obd,
rc = PTR_ERR(handle);
CERROR("unable to start transaction: rc %d\n", rc);
} else {
- fed->fed_lcd->lcd_last_epoch =
- filter->fo_fsd->lsd_start_epoch;
+ fed->fed_lcd->lcd_last_epoch = fsd->lsd_start_epoch;
exp->exp_last_request_time = cfs_time_current_sec();
rc = fsfilt_add_journal_cb(obd, 0, handle,
- target_client_add_cb, exp);
+ target_client_add_cb,
+ class_export_cb_get(exp));
if (rc == 0) {
- spin_lock(&exp->exp_lock);
+ cfs_spin_lock(&exp->exp_lock);
exp->exp_need_sync = 1;
- spin_unlock(&exp->exp_lock);
+ cfs_spin_unlock(&exp->exp_lock);
}
rc = fsfilt_write_record(obd, filter->fo_rcvd_filp,
fed->fed_lcd,
RETURN(0);
}
-struct lsd_client_data zero_lcd; /* globals are implicitly zeroed */
-
-static int filter_client_free(struct obd_export *exp)
+static int filter_client_del(struct obd_export *exp)
{
struct filter_export_data *fed = &exp->exp_filter_data;
struct filter_obd *filter = &exp->exp_obd->u.filter;
struct obd_device *obd = exp->exp_obd;
struct lvfs_run_ctxt saved;
+ struct lsd_client_data *lcd = fed->fed_lcd;
int rc;
loff_t off;
ENTRY;
- if (fed->fed_lcd == NULL)
+ if (lcd == NULL)
RETURN(0);
/* XXX if lcd_uuid were a real obd_uuid, I could use obd_uuid_equals */
- if (strcmp(fed->fed_lcd->lcd_uuid, obd->obd_uuid.uuid ) == 0)
+ if (strcmp(lcd->lcd_uuid, obd->obd_uuid.uuid ) == 0)
GOTO(free, 0);
LASSERT(filter->fo_last_rcvd_slots != NULL);
off = fed->fed_lr_off;
CDEBUG(D_INFO, "freeing client at idx %u, offset %lld with UUID '%s'\n",
- fed->fed_lr_idx, fed->fed_lr_off, fed->fed_lcd->lcd_uuid);
+ fed->fed_lr_idx, fed->fed_lr_off, lcd->lcd_uuid);
/* Don't clear fed_lr_idx here as it is likely also unset. At worst
* we leak a client slot that will be cleaned on the next recovery. */
/* Clear the bit _after_ zeroing out the client so we don't
race with filter_client_add and zero out new clients.*/
- if (!test_bit(fed->fed_lr_idx, filter->fo_last_rcvd_slots)) {
+ if (!cfs_test_bit(fed->fed_lr_idx, filter->fo_last_rcvd_slots)) {
CERROR("FILTER client %u: bit already clear in bitmap!!\n",
fed->fed_lr_idx);
LBUG();
}
- if (!(exp->exp_flags & OBD_OPT_FAILOVER)) {
- /* Don't force sync on disconnect if aborting recovery,
- * or it does num_clients * num_osts. b=17194 */
- int need_sync = exp->exp_need_sync &&
- !(exp->exp_flags&OBD_OPT_ABORT_RECOV);
- push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- rc = fsfilt_write_record(obd, filter->fo_rcvd_filp, &zero_lcd,
- sizeof(zero_lcd), &off, 0);
-
- /* Make sure the server's last_transno is up to date. Do this
- * after the client is freed so we know all the client's
- * transactions have been committed. */
- if (rc == 0)
- filter_update_server_data(obd, filter->fo_rcvd_filp,
- filter->fo_fsd, need_sync);
- pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
-
- CDEBUG(rc == 0 ? D_INFO : D_ERROR,
- "zero out client %s at idx %u/%llu in %s %ssync rc %d\n",
- fed->fed_lcd->lcd_uuid, fed->fed_lr_idx, fed->fed_lr_off,
- LAST_RCVD, need_sync ? "" : "a", rc);
- }
-
- if (!test_and_clear_bit(fed->fed_lr_idx, filter->fo_last_rcvd_slots)) {
- CERROR("FILTER client %u: bit already clear in bitmap!!\n",
- fed->fed_lr_idx);
- LBUG();
- }
+ push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
+ /* Make sure the server's last_transno is up to date.
+ * This should be done before zeroing client slot so last_transno will
+ * be in server data or in client data in case of failure */
+ filter_update_server_data(obd);
+
+ cfs_mutex_down(&fed->fed_lcd_lock);
+ memset(fed->fed_lcd->lcd_uuid, 0, sizeof fed->fed_lcd->lcd_uuid);
+ rc = fsfilt_write_record(obd, filter->fo_rcvd_filp,
+ fed->fed_lcd,
+ sizeof(*fed->fed_lcd), &off, 0);
+ cfs_mutex_up(&fed->fed_lcd_lock);
+ pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
+ CDEBUG(rc == 0 ? D_INFO : D_ERROR,
+ "zero out client %s at idx %u/%llu in %s, rc %d\n",
+ lcd->lcd_uuid, fed->fed_lr_idx, fed->fed_lr_off,
+ LAST_RCVD, rc);
EXIT;
free:
- OBD_FREE_PTR(fed->fed_lcd);
- fed->fed_lcd = NULL;
-
return 0;
}
/* XXX when we have persistent reservations and the handle
* is stored herein we need to drop it here. */
fed->fed_mod_count--;
- list_del(&fmd->fmd_list);
+ cfs_list_del(&fmd->fmd_list);
OBD_SLAB_FREE(fmd, ll_fmd_cachep, sizeof(*fmd));
}
}
return;
fed = &exp->exp_filter_data;
- spin_lock(&fed->fed_lock);
+ cfs_spin_lock(&fed->fed_lock);
filter_fmd_put_nolock(fed, fmd); /* caller reference */
- spin_unlock(&fed->fed_lock);
+ cfs_spin_unlock(&fed->fed_lock);
}
/* expire entries from the end of the list if there are too many
{
struct filter_mod_data *fmd, *tmp;
- list_for_each_entry_safe(fmd, tmp, &fed->fed_mod_list, fmd_list) {
+ cfs_list_for_each_entry_safe(fmd, tmp, &fed->fed_mod_list, fmd_list) {
if (fmd == keep)
break;
- if (time_before(jiffies, fmd->fmd_expire) &&
+ if (cfs_time_before(jiffies, fmd->fmd_expire) &&
fed->fed_mod_count < filter->fo_fmd_max_num)
break;
- list_del_init(&fmd->fmd_list);
+ cfs_list_del_init(&fmd->fmd_list);
filter_fmd_put_nolock(fed, fmd); /* list reference */
}
}
void filter_fmd_expire(struct obd_export *exp)
{
- spin_lock(&exp->exp_filter_data.fed_lock);
+ cfs_spin_lock(&exp->exp_filter_data.fed_lock);
filter_fmd_expire_nolock(&exp->exp_obd->u.filter,
&exp->exp_filter_data, NULL);
- spin_unlock(&exp->exp_filter_data.fed_lock);
+ cfs_spin_unlock(&exp->exp_filter_data.fed_lock);
}
/* find specified objid, group in export fmd list.
LASSERT_SPIN_LOCKED(&fed->fed_lock);
- list_for_each_entry_reverse(fmd, &fed->fed_mod_list, fmd_list) {
+ cfs_list_for_each_entry_reverse(fmd, &fed->fed_mod_list, fmd_list) {
if (fmd->fmd_id == objid && fmd->fmd_gr == group) {
found = fmd;
- list_del(&fmd->fmd_list);
- list_add_tail(&fmd->fmd_list, &fed->fed_mod_list);
+ cfs_list_del(&fmd->fmd_list);
+ cfs_list_add_tail(&fmd->fmd_list, &fed->fed_mod_list);
fmd->fmd_expire = jiffies + filter->fo_fmd_max_age;
break;
}
{
struct filter_mod_data *fmd;
- spin_lock(&exp->exp_filter_data.fed_lock);
+ cfs_spin_lock(&exp->exp_filter_data.fed_lock);
fmd = filter_fmd_find_nolock(&exp->exp_obd->u.filter,
&exp->exp_filter_data, objid, group);
if (fmd)
fmd->fmd_refcount++; /* caller reference */
- spin_unlock(&exp->exp_filter_data.fed_lock);
+ cfs_spin_unlock(&exp->exp_filter_data.fed_lock);
return fmd;
}
OBD_SLAB_ALLOC_PTR_GFP(fmd_new, ll_fmd_cachep, CFS_ALLOC_IO);
- spin_lock(&fed->fed_lock);
+ cfs_spin_lock(&fed->fed_lock);
found = filter_fmd_find_nolock(&exp->exp_obd->u.filter,fed,objid,group);
if (fmd_new) {
if (found == NULL) {
- list_add_tail(&fmd_new->fmd_list, &fed->fed_mod_list);
+ cfs_list_add_tail(&fmd_new->fmd_list,
+ &fed->fed_mod_list);
fmd_new->fmd_id = objid;
fmd_new->fmd_gr = group;
fmd_new->fmd_refcount++; /* list reference */
exp->exp_obd->u.filter.fo_fmd_max_age;
}
- spin_unlock(&fed->fed_lock);
+ cfs_spin_unlock(&fed->fed_lock);
return found;
}
{
struct filter_mod_data *found = NULL;
- spin_lock(&exp->exp_filter_data.fed_lock);
+ cfs_spin_lock(&exp->exp_filter_data.fed_lock);
found = filter_fmd_find_nolock(&exp->exp_filter_data, objid, group);
if (found) {
- list_del_init(&found->fmd_list);
+ cfs_list_del_init(&found->fmd_list);
filter_fmd_put_nolock(&exp->exp_filter_data, found);
}
- spin_unlock(&exp->exp_filter_data.fed_lock);
+ cfs_spin_unlock(&exp->exp_filter_data.fed_lock);
}
#else
#define filter_fmd_drop(exp, objid, group)
struct filter_export_data *fed = &exp->exp_filter_data;
struct filter_mod_data *fmd = NULL, *tmp;
- spin_lock(&fed->fed_lock);
- list_for_each_entry_safe(fmd, tmp, &fed->fed_mod_list, fmd_list) {
- list_del_init(&fmd->fmd_list);
+ cfs_spin_lock(&fed->fed_lock);
+ cfs_list_for_each_entry_safe(fmd, tmp, &fed->fed_mod_list, fmd_list) {
+ cfs_list_del_init(&fmd->fmd_list);
filter_fmd_put_nolock(fed, fmd);
}
- spin_unlock(&fed->fed_lock);
+ cfs_spin_unlock(&fed->fed_lock);
}
static int filter_init_export(struct obd_export *exp)
{
- spin_lock_init(&exp->exp_filter_data.fed_lock);
+ cfs_spin_lock_init(&exp->exp_filter_data.fed_lock);
CFS_INIT_LIST_HEAD(&exp->exp_filter_data.fed_mod_list);
- spin_lock(&exp->exp_lock);
+ cfs_spin_lock(&exp->exp_lock);
exp->exp_connecting = 1;
- spin_unlock(&exp->exp_lock);
+ cfs_spin_unlock(&exp->exp_lock);
return ldlm_init_export(exp);
}
static int filter_free_server_data(struct filter_obd *filter)
{
- OBD_FREE_PTR(filter->fo_fsd);
- filter->fo_fsd = NULL;
- OBD_FREE(filter->fo_last_rcvd_slots, LR_MAX_CLIENTS / 8);
- filter->fo_last_rcvd_slots = NULL;
+ lut_fini(NULL, filter->fo_obt.obt_lut);
+ OBD_FREE_PTR(filter->fo_obt.obt_lut);
return 0;
}
/* assumes caller is already in kernel ctxt */
-int filter_update_server_data(struct obd_device *obd, struct file *filp,
- struct lr_server_data *fsd, int force_sync)
+int filter_update_server_data(struct obd_device *obd)
{
+ struct file *filp = obd->u.obt.obt_rcvd_filp;
+ struct lr_server_data *fsd = class_server_data(obd);
loff_t off = 0;
int rc;
ENTRY;
CDEBUG(D_INODE, "server last_mount: "LPU64"\n",
le64_to_cpu(fsd->lsd_mount_count));
- rc = fsfilt_write_record(obd, filp, fsd, sizeof(*fsd), &off, force_sync);
+ rc = fsfilt_write_record(obd, filp, fsd, sizeof(*fsd), &off, 0);
if (rc)
CERROR("error writing lr_server_data: rc = %d\n", rc);
struct lsd_client_data *lcd = NULL;
struct inode *inode = filp->f_dentry->d_inode;
unsigned long last_rcvd_size = i_size_read(inode);
+ struct lu_target *lut;
__u64 mount_count;
__u32 start_epoch;
int cl_idx;
CLASSERT (offsetof(struct lsd_client_data, lcd_padding) +
sizeof(lcd->lcd_padding) == LR_CLIENT_SIZE);
- OBD_ALLOC(fsd, sizeof(*fsd));
- if (!fsd)
+ /* allocate and initialize lu_target */
+ OBD_ALLOC_PTR(lut);
+ if (lut == NULL)
RETURN(-ENOMEM);
- filter->fo_fsd = fsd;
-
- OBD_ALLOC(filter->fo_last_rcvd_slots, LR_MAX_CLIENTS / 8);
- if (filter->fo_last_rcvd_slots == NULL) {
- OBD_FREE(fsd, sizeof(*fsd));
- RETURN(-ENOMEM);
- }
-
+ rc = lut_init(NULL, lut, obd, NULL);
+ if (rc)
+ GOTO(err_fsd, rc);
+ fsd = class_server_data(obd);
if (last_rcvd_size == 0) {
LCONSOLE_WARN("%s: new disk, initializing\n", obd->obd_name);
fsd->lsd_client_size = cpu_to_le16(LR_CLIENT_SIZE);
fsd->lsd_subdir_count = cpu_to_le16(FILTER_SUBDIR_COUNT);
filter->fo_subdir_count = FILTER_SUBDIR_COUNT;
- fsd->lsd_feature_incompat = cpu_to_le32(OBD_INCOMPAT_OST);
+ /* OBD_COMPAT_OST is set in filter_connect_internal when the
+ * MDS first connects and assigns the OST index number. */
+ fsd->lsd_feature_incompat = cpu_to_le32(OBD_INCOMPAT_COMMON_LR|
+ OBD_INCOMPAT_OST);
} else {
rc = fsfilt_read_record(obd, filp, fsd, sizeof(*fsd), &off);
if (rc) {
cpu_to_le32(OBD_INCOMPAT_COMMON_LR)))
fsd->lsd_last_transno = fsd->lsd_compat14;
/* end COMPAT_146 */
+ /* OBD_COMPAT_OST is set in filter_connect_internal when the
+ * MDS first connects and assigns the OST index number. */
+ fsd->lsd_feature_incompat |= cpu_to_le32(OBD_INCOMPAT_COMMON_LR|
+ OBD_INCOMPAT_OST);
}
if (fsd->lsd_feature_incompat & ~cpu_to_le32(FILTER_INCOMPAT_SUPP)) {
continue;
}
+ check_lcd(obd->obd_name, cl_idx, lcd);
+
last_rcvd = le64_to_cpu(lcd->lcd_last_transno);
/* These exports are cleaned up by filter_disconnect(), so they
/* VBR: set export last committed */
exp->exp_last_committed = last_rcvd;
- spin_lock(&exp->exp_lock);
+ cfs_spin_lock(&exp->exp_lock);
exp->exp_connecting = 0;
exp->exp_in_recovery = 0;
- spin_unlock(&exp->exp_lock);
- spin_lock_bh(&obd->obd_processing_task_lock);
+ cfs_spin_unlock(&exp->exp_lock);
+ cfs_spin_lock_bh(&obd->obd_processing_task_lock);
obd->obd_max_recoverable_clients++;
- spin_unlock_bh(&obd->obd_processing_task_lock);
+ cfs_spin_unlock_bh(&obd->obd_processing_task_lock);
lcd = NULL;
class_export_put(exp);
}
OBD_FREE_PTR(lcd);
obd->obd_last_committed = le64_to_cpu(fsd->lsd_last_transno);
-
- target_recovery_init(&filter->fo_lut, ost_handle);
-
out:
filter->fo_mount_count = mount_count + 1;
fsd->lsd_mount_count = cpu_to_le64(filter->fo_mount_count);
/* save it, so mount count and last_transno is current */
- rc = filter_update_server_data(obd, filp, filter->fo_fsd, 1);
+ rc = filter_update_server_data(obd);
if (rc)
GOTO(err_client, rc);
RETURN(0);
err_client:
- target_recovery_fini(obd);
+ class_disconnect_exports(obd);
err_fsd:
filter_free_server_data(filter);
RETURN(rc);
CDEBUG(D_INODE, "error reading LAST_GROUP: rc %d\n",rc);
GOTO(cleanup, rc);
}
- LASSERTF(off == 0 || CHECK_MDS_GROUP(last_group),
- "off = %llu and last_group = %d\n", off, last_group);
CDEBUG(D_INODE, "%s: previous %d, new %d\n",
obd->obd_name, last_group, group);
GOTO(cleanup, rc);
}
- if (filter->fo_subdir_count) {
+ if (filter->fo_subdir_count && filter_group_is_mds(group)) {
OBD_ALLOC(tmp_subdirs, sizeof(*tmp_subdirs));
if (tmp_subdirs == NULL)
GOTO(cleanup, rc = -ENOMEM);
filter->fo_dentry_O_groups[group] = dentry;
filter->fo_last_objid_files[group] = filp;
- if (filter->fo_subdir_count) {
+ if (filter->fo_subdir_count && filter_group_is_mds(group)) {
filter->fo_dentry_O_sub[group] = *tmp_subdirs;
OBD_FREE(tmp_subdirs, sizeof(*tmp_subdirs));
}
if (new_files != NULL)
OBD_FREE(new_files, len * sizeof(*new_files));
case 3:
- if (filter->fo_subdir_count) {
+ if (filter->fo_subdir_count && filter_group_is_mds(group)) {
for (i = 0; i < filter->fo_subdir_count; i++) {
if (tmp_subdirs->dentry[i] != NULL)
dput(tmp_subdirs->dentry[i]);
struct filter_obd *filter = &obd->u.filter;
int old_count, group, rc = 0;
- down(&filter->fo_init_lock);
+ cfs_down(&filter->fo_init_lock);
old_count = filter->fo_group_count;
for (group = old_count; group <= last_group; group++) {
-
rc = filter_read_group_internal(obd, group, create);
if (rc != 0)
break;
}
- up(&filter->fo_init_lock);
+ cfs_up(&filter->fo_init_lock);
return rc;
}
static int filter_prep_groups(struct obd_device *obd)
{
struct filter_obd *filter = &obd->u.filter;
- struct dentry *dentry, *O_dentry;
+ struct dentry *O_dentry;
struct file *filp;
int last_group, rc = 0, cleanup_phase = 0;
loff_t off = 0;
filter->fo_dentry_O = O_dentry;
cleanup_phase = 1; /* O_dentry */
- /* Lookup "R" to tell if we're on an old OST FS and need to convert
- * from O/R/<dir>/<objid> to O/0/<dir>/<objid>. This can be removed
- * some time post 1.0 when all old-style OSTs have converted along
- * with the init_objid hack. */
- dentry = ll_lookup_one_len("R", O_dentry, 1);
- if (IS_ERR(dentry))
- GOTO(cleanup, rc = PTR_ERR(dentry));
- if (dentry->d_inode && S_ISDIR(dentry->d_inode->i_mode)) {
- struct dentry *O0_dentry = lookup_one_len("0", O_dentry, 1);
- ENTRY;
-
- CWARN("converting OST to new object layout\n");
- if (IS_ERR(O0_dentry)) {
- rc = PTR_ERR(O0_dentry);
- CERROR("error looking up O/0: rc %d\n", rc);
- GOTO(cleanup_R, rc);
- }
-
- if (O0_dentry->d_inode) {
- CERROR("Both O/R and O/0 exist. Fix manually.\n");
- GOTO(cleanup_O0, rc = -EEXIST);
- }
-
- LOCK_INODE_MUTEX(O_dentry->d_inode);
- rc = ll_vfs_rename(O_dentry->d_inode, dentry, filter->fo_vfsmnt,
- O_dentry->d_inode, O0_dentry,
- filter->fo_vfsmnt);
- UNLOCK_INODE_MUTEX(O_dentry->d_inode);
-
- if (rc) {
- CERROR("error renaming O/R to O/0: rc %d\n", rc);
- GOTO(cleanup_O0, rc);
- }
- filter->fo_fsd->lsd_feature_incompat |=
- cpu_to_le32(OBD_INCOMPAT_GROUPS);
- rc = filter_update_server_data(obd, filter->fo_rcvd_filp,
- filter->fo_fsd, 1);
- GOTO(cleanup_O0, rc);
-
- cleanup_O0:
- f_dput(O0_dentry);
- cleanup_R:
- f_dput(dentry);
- if (rc)
- GOTO(cleanup, rc);
- } else {
- f_dput(dentry);
- }
-
- cleanup_phase = 2; /* groups */
-
/* we have to initialize all groups before first connections from
* clients because they may send create/destroy for any group -bzzz */
filp = filp_open("LAST_GROUP", O_CREAT | O_RDWR, 0700);
CERROR("cannot create LAST_GROUP: rc = %ld\n", PTR_ERR(filp));
GOTO(cleanup, rc = PTR_ERR(filp));
}
- cleanup_phase = 3; /* filp */
+ cleanup_phase = 2; /* filp */
rc = fsfilt_read_record(obd, filp, &last_group, sizeof(__u32), &off);
if (rc) {
CDEBUG(D_INODE, "error reading LAST_GROUP: rc %d\n", rc);
GOTO(cleanup, rc);
}
- if (off == 0) {
- last_group = FILTER_MIN_GROUPS;
- } else {
- LASSERT_MDS_GROUP(last_group);
- }
+
+ if (off == 0)
+ last_group = FILTER_GROUP_MDS0;
CWARN("%s: initialize groups [%d,%d]\n", obd->obd_name,
- FILTER_MIN_GROUPS, last_group);
+ FILTER_GROUP_MDS0, last_group);
filter->fo_committed_group = last_group;
rc = filter_read_groups(obd, last_group, 1);
if (rc)
cleanup:
switch (cleanup_phase) {
- case 3:
- filp_close(filp, 0);
case 2:
- filter_cleanup_groups(obd);
+ filp_close(filp, 0);
case 1:
+ filter_cleanup_groups(obd);
f_dput(filter->fo_dentry_O);
filter->fo_dentry_O = NULL;
default:
GOTO(err_filp, rc = -EOPNOTSUPP);
}
- /** lu_target has very limited use in filter now */
- lut_init(NULL, &filter->fo_lut, obd, NULL);
-
rc = filter_init_server_data(obd, file);
if (rc) {
CERROR("cannot read %s: rc = %d\n", LAST_RCVD, rc);
GOTO(err_filp, rc);
}
+ LASSERT(obd->u.obt.obt_lut);
+ target_recovery_init(obd->u.obt.obt_lut, ost_handle);
+
/* open and create health check io file*/
file = filp_open(HEALTH_CHECK, O_RDWR | O_CREAT, 0644);
if (IS_ERR(file)) {
HEALTH_CHECK, rc);
GOTO(err_server_data, rc);
}
- filter->fo_health_check_filp = file;
+ filter->fo_obt.obt_health_check_filp = file;
if (!S_ISREG(file->f_dentry->d_inode->i_mode)) {
CERROR("%s is not a regular file!: mode = %o\n", HEALTH_CHECK,
file->f_dentry->d_inode->i_mode);
return(rc);
err_health_check:
- if (filp_close(filter->fo_health_check_filp, 0))
+ if (filp_close(filter->fo_obt.obt_health_check_filp, 0))
CERROR("can't close %s after error\n", HEALTH_CHECK);
- filter->fo_health_check_filp = NULL;
+ filter->fo_obt.obt_health_check_filp = NULL;
err_server_data:
target_recovery_fini(obd);
filter_free_server_data(filter);
* from lastobjid */
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- rc = filter_update_server_data(obd, filter->fo_rcvd_filp,
- filter->fo_fsd, 0);
+ rc = filter_update_server_data(obd);
if (rc)
CERROR("error writing server data: rc = %d\n", rc);
if (rc)
CERROR("error closing %s: rc = %d\n", LAST_RCVD, rc);
- rc = filp_close(filter->fo_health_check_filp, 0);
- filter->fo_health_check_filp = NULL;
+ rc = filp_close(filter->fo_obt.obt_health_check_filp, 0);
+ filter->fo_obt.obt_health_check_filp = NULL;
if (rc)
CERROR("error closing %s: rc = %d\n", HEALTH_CHECK, rc);
static void filter_set_last_id(struct filter_obd *filter,
obd_id id, obd_gr group)
{
- LASSERT(filter->fo_fsd != NULL);
LASSERT(group <= filter->fo_group_count);
- spin_lock(&filter->fo_objidlock);
+ cfs_spin_lock(&filter->fo_objidlock);
filter->fo_last_objids[group] = id;
- spin_unlock(&filter->fo_objidlock);
+ cfs_spin_unlock(&filter->fo_objidlock);
}
obd_id filter_last_id(struct filter_obd *filter, obd_gr group)
{
obd_id id;
- LASSERT(filter->fo_fsd != NULL);
LASSERT(group <= filter->fo_group_count);
+ LASSERT(filter->fo_last_objids != NULL);
/* FIXME: object groups */
- spin_lock(&filter->fo_objidlock);
+ cfs_spin_lock(&filter->fo_objidlock);
id = filter->fo_last_objids[group];
- spin_unlock(&filter->fo_objidlock);
+ cfs_spin_unlock(&filter->fo_objidlock);
return id;
}
struct filter_subdirs *subdirs;
LASSERT(group < filter->fo_group_count); /* FIXME: object groups */
- if ((group > FILTER_GROUP_MDS0 && group < FILTER_GROUP_MDS1_N_BASE) ||
- filter->fo_subdir_count == 0)
+ if (!filter_group_is_mds(group) || filter->fo_subdir_count == 0)
return filter->fo_dentry_O_groups[group];
subdirs = &filter->fo_dentry_O_sub[group];
rc = ldlm_cli_enqueue_local(obd->obd_namespace, &res_id, LDLM_EXTENT,
&policy, LCK_PW, &flags, ldlm_blocking_ast,
ldlm_completion_ast, NULL, NULL, 0, NULL,
- NULL, lockh);
+ lockh);
if (rc != ELDLM_OK)
lockh->cookie = 0;
RETURN(rc);
static void filter_fini_destroy(struct obd_device *obd,
struct lustre_handle *lockh)
{
- if (lockh->cookie)
+ if (lustre_handle_is_used(lockh))
ldlm_lock_decref(lockh, LCK_PW);
}
if (interval_high(n) <= size)
return INTERVAL_ITER_STOP;
- list_for_each_entry(lck, &node->li_group, l_sl_policy) {
+ cfs_list_for_each_entry(lck, &node->li_group, l_sl_policy) {
/* Don't send glimpse ASTs to liblustre clients.
* They aren't listening for them, and they do
* entirely synchronous I/O anyways. */
/* FIXME: we should change the policy function slightly, to not make
* this list at all, since we just turn around and free it */
- while (!list_empty(&rpc_list)) {
+ while (!cfs_list_empty(&rpc_list)) {
struct ldlm_lock *wlock =
- list_entry(rpc_list.next, struct ldlm_lock, l_cp_ast);
+ cfs_list_entry(rpc_list.next, struct ldlm_lock,
+ l_cp_ast);
LASSERT((lock->l_flags & LDLM_FL_AST_SENT) == 0);
LASSERT(lock->l_flags & LDLM_FL_CP_REQD);
lock->l_flags &= ~LDLM_FL_CP_REQD;
- list_del_init(&wlock->l_cp_ast);
+ cfs_list_del_init(&wlock->l_cp_ast);
LDLM_LOCK_RELEASE(wlock);
}
*
* Of course, this will all disappear when we switch to
* taking liblustre locks on the OST. */
- ldlm_res_lvbo_update(res, NULL, 0, 1);
+ ldlm_res_lvbo_update(res, NULL, 1);
}
RETURN(ELDLM_LOCK_ABORTED);
}
* sending ast is not handled. This can result in lost client writes.
*/
if (rc != 0)
- ldlm_res_lvbo_update(res, NULL, 0, 1);
+ ldlm_res_lvbo_update(res, NULL, 1);
lock_res(res);
*reply_lvb = *res_lvb;
sptlrpc_target_update_exp_flavor(obd, &tmp_rset);
- write_lock(&filter->fo_sptlrpc_lock);
+ cfs_write_lock(&filter->fo_sptlrpc_lock);
sptlrpc_rule_set_free(&filter->fo_sptlrpc_rset);
filter->fo_sptlrpc_rset = tmp_rset;
- write_unlock(&filter->fo_sptlrpc_lock);
+ cfs_write_unlock(&filter->fo_sptlrpc_lock);
return 0;
}
obd->obd_lvfs_ctxt.fs = get_ds();
obd->obd_lvfs_ctxt.cb_ops = filter_lvfs_ops;
- init_mutex(&filter->fo_init_lock);
+ cfs_init_mutex(&filter->fo_init_lock);
filter->fo_committed_group = 0;
-
- rc = filter_prep(obd);
- if (rc)
- GOTO(err_ops, rc);
-
filter->fo_destroys_in_progress = 0;
for (i = 0; i < 32; i++)
- sema_init(&filter->fo_create_locks[i], 1);
+ cfs_sema_init(&filter->fo_create_locks[i], 1);
- spin_lock_init(&filter->fo_translock);
- spin_lock_init(&filter->fo_objidlock);
+ cfs_spin_lock_init(&filter->fo_objidlock);
CFS_INIT_LIST_HEAD(&filter->fo_export_list);
- sema_init(&filter->fo_alloc_lock, 1);
+ cfs_sema_init(&filter->fo_alloc_lock, 1);
init_brw_stats(&filter->fo_filter_stats);
filter->fo_read_cache = 1; /* enable read-only cache by default */
filter->fo_writethrough_cache = 1; /* enable writethrough cache */
filter->fo_fmd_max_num = FILTER_FMD_MAX_NUM_DEFAULT;
filter->fo_fmd_max_age = FILTER_FMD_MAX_AGE_DEFAULT;
+ rc = filter_prep(obd);
+ if (rc)
+ GOTO(err_ops, rc);
+
CFS_INIT_LIST_HEAD(&filter->fo_llog_list);
- spin_lock_init(&filter->fo_llog_list_lock);
+ cfs_spin_lock_init(&filter->fo_llog_list_lock);
filter->fo_fl_oss_capa = 1;
ptlrpc_init_client(LDLM_CB_REQUEST_PORTAL, LDLM_CB_REPLY_PORTAL,
"filter_ldlm_cb_client", &obd->obd_ldlm_client);
- rc = obd_llog_init(obd, &obd->obd_olg, obd, 1, NULL, NULL);
+ rc = obd_llog_init(obd, &obd->obd_olg, obd, NULL);
if (rc) {
CERROR("failed to setup llogging subsystems\n");
GOTO(err_post, rc);
}
- rwlock_init(&filter->fo_sptlrpc_lock);
+ cfs_rwlock_init(&filter->fo_sptlrpc_lock);
sptlrpc_rule_set_init(&filter->fo_sptlrpc_rset);
/* do this after llog being initialized */
filter_adapt_sptlrpc_conf(obd, 1);
}
label = fsfilt_get_label(obd, obd->u.obt.obt_sb);
-
- if (obd->obd_recovering) {
- LCONSOLE_WARN("OST %s now serving %s (%s%s%s), but will be in "
- "recovery for at least %d:%.02d, or until %d "
- "client%s reconnect%s.\n",
- obd->obd_name, lustre_cfg_string(lcfg, 1),
- label ?: "", label ? "/" : "", str,
+ LCONSOLE_INFO("%s: Now serving %s %s%s with recovery %s\n",
+ obd->obd_name, label ?: str, lmi ? "on " : "",
+ lmi ? s2lsi(lmi->lmi_sb)->lsi_lmd->lmd_dev : "",
+ obd->obd_replayable ? "enabled" : "disabled");
+
+ if (obd->obd_recovering)
+ LCONSOLE_WARN("%s: Will be in recovery for at least %d:%.02d, "
+ "or until %d client%s reconnect%s\n",
+ obd->obd_name,
obd->obd_recovery_timeout / 60,
obd->obd_recovery_timeout % 60,
obd->obd_max_recoverable_clients,
- (obd->obd_max_recoverable_clients == 1) ? "":"s",
- (obd->obd_max_recoverable_clients == 1) ? "s":"");
- } else {
- LCONSOLE_INFO("OST %s now serving %s (%s%s%s) with recovery "
- "%s\n", obd->obd_name, lustre_cfg_string(lcfg, 1),
- label ?: "", label ? "/" : "", str,
- obd->obd_replayable ? "enabled" : "disabled");
- }
+ (obd->obd_max_recoverable_clients == 1) ? "" : "s",
+ (obd->obd_max_recoverable_clients == 1) ? "s": "");
+
RETURN(0);
static int
filter_llog_init(struct obd_device *obd, struct obd_llog_group *olg,
- struct obd_device *tgt, int count, struct llog_catid *catid,
- struct obd_uuid *uuid)
+ struct obd_device *tgt, int *index)
{
struct filter_obd *filter = &obd->u.filter;
struct llog_ctxt *ctxt;
* This is safe to do, as llog is already synchronized
* and its import may go.
*/
- mutex_down(&ctxt->loc_sem);
+ cfs_mutex_down(&ctxt->loc_sem);
if (ctxt->loc_imp) {
class_import_put(ctxt->loc_imp);
ctxt->loc_imp = NULL;
}
- mutex_up(&ctxt->loc_sem);
+ cfs_mutex_up(&ctxt->loc_sem);
llog_ctxt_put(ctxt);
}
if (filter->fo_lcm) {
- mutex_down(&ctxt->loc_sem);
+ cfs_mutex_down(&ctxt->loc_sem);
llog_recov_thread_fini(filter->fo_lcm, obd->obd_force);
filter->fo_lcm = NULL;
- mutex_up(&ctxt->loc_sem);
+ cfs_mutex_up(&ctxt->loc_sem);
}
RETURN(filter_olg_fini(&obd->obd_olg));
}
struct obd_llog_group *olg;
LASSERT_SPIN_LOCKED(&filter->fo_llog_list_lock);
- list_for_each_entry(olg, &filter->fo_llog_list, olg_list) {
+ cfs_list_for_each_entry(olg, &filter->fo_llog_list, olg_list) {
if (olg->olg_group == group)
RETURN(olg);
}
if (group == FILTER_GROUP_LLOG)
RETURN(&obd->obd_olg);
- spin_lock(&filter->fo_llog_list_lock);
+ cfs_spin_lock(&filter->fo_llog_list_lock);
olg = filter_find_olg_internal(filter, group);
- spin_unlock(&filter->fo_llog_list_lock);
+ cfs_spin_unlock(&filter->fo_llog_list_lock);
RETURN(olg);
}
if (group == FILTER_GROUP_LLOG)
RETURN(&obd->obd_olg);
- spin_lock(&filter->fo_llog_list_lock);
+ cfs_spin_lock(&filter->fo_llog_list_lock);
olg = filter_find_olg_internal(filter, group);
if (olg) {
if (olg->olg_initializing) {
GOTO(out_unlock, olg = ERR_PTR(-ENOMEM));
llog_group_init(olg, group);
- list_add(&olg->olg_list, &filter->fo_llog_list);
+ cfs_list_add(&olg->olg_list, &filter->fo_llog_list);
olg->olg_initializing = 1;
- spin_unlock(&filter->fo_llog_list_lock);
+ cfs_spin_unlock(&filter->fo_llog_list_lock);
- rc = llog_cat_initialize(obd, olg, 1, NULL);
+ rc = obd_llog_init(obd, olg, obd, NULL);
if (rc) {
- spin_lock(&filter->fo_llog_list_lock);
- list_del(&olg->olg_list);
- spin_unlock(&filter->fo_llog_list_lock);
+ cfs_spin_lock(&filter->fo_llog_list_lock);
+ cfs_list_del(&olg->olg_list);
+ cfs_spin_unlock(&filter->fo_llog_list_lock);
OBD_FREE_PTR(olg);
GOTO(out, olg = ERR_PTR(-ENOMEM));
}
- spin_lock(&filter->fo_llog_list_lock);
+ cfs_spin_lock(&filter->fo_llog_list_lock);
olg->olg_initializing = 0;
- spin_unlock(&filter->fo_llog_list_lock);
+ cfs_spin_unlock(&filter->fo_llog_list_lock);
CDEBUG(D_OTHER, "%s: new llog group %u (0x%p)\n",
obd->obd_name, group, olg);
out:
RETURN(olg);
out_unlock:
- spin_unlock(&filter->fo_llog_list_lock);
+ cfs_spin_unlock(&filter->fo_llog_list_lock);
GOTO(out, olg);
}
obd->obd_name, body->lgdc_logid.lgl_oid,
body->lgdc_logid.lgl_ogr, body->lgdc_logid.lgl_ogen);
+ cfs_spin_lock_bh(&obd->obd_processing_task_lock);
+ obd->u.filter.fo_mds_ost_sync = 1;
+ cfs_spin_unlock_bh(&obd->obd_processing_task_lock);
rc = llog_connect(ctxt, &body->lgdc_logid,
&body->lgdc_gen, NULL);
llog_ctxt_put(ctxt);
{
struct obd_llog_group *olg, *tmp;
struct filter_obd *filter;
- struct list_head remove_list;
+ cfs_list_t remove_list;
int rc = 0;
ENTRY;
filter = &obd->u.filter;
CFS_INIT_LIST_HEAD(&remove_list);
- spin_lock(&filter->fo_llog_list_lock);
- while (!list_empty(&filter->fo_llog_list)) {
- olg = list_entry(filter->fo_llog_list.next,
- struct obd_llog_group, olg_list);
- list_del(&olg->olg_list);
- list_add(&olg->olg_list, &remove_list);
+ cfs_spin_lock(&filter->fo_llog_list_lock);
+ while (!cfs_list_empty(&filter->fo_llog_list)) {
+ olg = cfs_list_entry(filter->fo_llog_list.next,
+ struct obd_llog_group, olg_list);
+ cfs_list_del(&olg->olg_list);
+ cfs_list_add(&olg->olg_list, &remove_list);
}
- spin_unlock(&filter->fo_llog_list_lock);
+ cfs_spin_unlock(&filter->fo_llog_list_lock);
- list_for_each_entry_safe(olg, tmp, &remove_list, olg_list) {
- list_del_init(&olg->olg_list);
+ cfs_list_for_each_entry_safe(olg, tmp, &remove_list, olg_list) {
+ cfs_list_del_init(&olg->olg_list);
rc = filter_olg_fini(olg);
if (rc)
CERROR("failed to cleanup llogging subsystem for %u\n",
break;
case OBD_CLEANUP_EXPORTS:
/* Stop recovery before namespace cleanup. */
- target_stop_recovery_thread(obd);
- target_cleanup_recovery(obd);
+ target_recovery_fini(obd);
rc = filter_llog_preclean(obd);
break;
}
LCONSOLE_WARN("%s: shutting down for failover; client state "
"will be preserved.\n", obd->obd_name);
- if (!list_empty(&obd->obd_exports)) {
- CERROR("%s: still has clients!\n", obd->obd_name);
- class_disconnect_exports(obd);
- if (!list_empty(&obd->obd_exports)) {
- CERROR("still has exports after forced cleanup?\n");
- RETURN(-EBUSY);
- }
- }
+ obd_exports_barrier(obd);
+ obd_zombie_barrier();
lprocfs_remove_proc_entry("clear", obd->obd_proc_exports_entry);
lprocfs_free_per_client_stats(obd);
}
static int filter_connect_internal(struct obd_export *exp,
- struct obd_connect_data *data)
+ struct obd_connect_data *data,
+ int reconnect)
{
struct filter_export_data *fed = &exp->exp_filter_data;
struct filter_obd *filter = &exp->exp_obd->u.filter;
obd_size left, want;
- spin_lock(&exp->exp_obd->obd_osfs_lock);
+ cfs_spin_lock(&exp->exp_obd->obd_osfs_lock);
left = filter_grant_space_left(exp);
want = data->ocd_grant;
- filter_grant(exp, fed->fed_grant, want, left);
+ filter_grant(exp, fed->fed_grant, want, left, (reconnect == 0));
data->ocd_grant = fed->fed_grant;
- spin_unlock(&exp->exp_obd->obd_osfs_lock);
+ cfs_spin_unlock(&exp->exp_obd->obd_osfs_lock);
CDEBUG(D_CACHE, "%s: cli %s/%p ocd_grant: %d want: "
LPU64" left: "LPU64"\n", exp->exp_obd->obd_name,
exp->exp_client_uuid.uuid, exp,
data->ocd_grant, want, left);
-
+
filter->fo_tot_granted_clients ++;
}
if (data->ocd_connect_flags & OBD_CONNECT_INDEX) {
- struct filter_obd *filter = &exp->exp_obd->u.filter;
- struct lr_server_data *lsd = filter->fo_fsd;
+ struct lr_server_data *lsd = class_server_data(exp->exp_obd);
int index = le32_to_cpu(lsd->lsd_ost_index);
if (!(lsd->lsd_feature_compat &
/* this will only happen on the first connect */
lsd->lsd_ost_index = cpu_to_le32(data->ocd_index);
lsd->lsd_feature_compat |= cpu_to_le32(OBD_COMPAT_OST);
- filter_update_server_data(exp->exp_obd,
- filter->fo_rcvd_filp, lsd, 1);
+ /* sync is not needed here as filter_client_add will
+ * set exp_need_sync flag */
+ filter_update_server_data(exp->exp_obd);
} else if (index != data->ocd_index) {
LCONSOLE_ERROR_MSG(0x136, "Connection from %s to index"
" %u doesn't match actual OST index"
if (exp == NULL || obd == NULL || cluuid == NULL)
RETURN(-EINVAL);
- rc = filter_connect_internal(exp, data);
+ rc = filter_connect_internal(exp, data, 1);
if (rc == 0)
filter_export_stats_init(obd, exp, localdata);
fed = &lexp->exp_filter_data;
- rc = filter_connect_internal(lexp, data);
+ rc = filter_connect_internal(lexp, data, 0);
if (rc)
GOTO(cleanup, rc);
cleanup:
if (rc) {
- if (lcd) {
- OBD_FREE_PTR(lcd);
- fed->fed_lcd = NULL;
- }
class_disconnect(lexp);
+ lprocfs_exp_cleanup(lexp);
*exp = NULL;
} else {
*exp = lexp;
obd_size tot_dirty = 0, tot_pending = 0, tot_granted = 0;
obd_size fo_tot_dirty, fo_tot_pending, fo_tot_granted;
- if (list_empty(&obd->obd_exports))
+ if (cfs_list_empty(&obd->obd_exports))
return;
/* We don't want to do this for large machines that do lots of
if (obd->obd_num_exports > 100)
return;
- spin_lock(&obd->obd_osfs_lock);
- spin_lock(&obd->obd_dev_lock);
- list_for_each_entry(exp, &obd->obd_exports, exp_obd_chain) {
+ cfs_spin_lock(&obd->obd_osfs_lock);
+ cfs_spin_lock(&obd->obd_dev_lock);
+ cfs_list_for_each_entry(exp, &obd->obd_exports, exp_obd_chain) {
int error = 0;
fed = &exp->exp_filter_data;
if (fed->fed_grant < 0 || fed->fed_pending < 0 ||
fo_tot_granted = obd->u.filter.fo_tot_granted;
fo_tot_pending = obd->u.filter.fo_tot_pending;
fo_tot_dirty = obd->u.filter.fo_tot_dirty;
- spin_unlock(&obd->obd_dev_lock);
- spin_unlock(&obd->obd_osfs_lock);
+ cfs_spin_unlock(&obd->obd_dev_lock);
+ cfs_spin_unlock(&obd->obd_osfs_lock);
/* Do these assertions outside the spinlocks so we don't kill system */
if (tot_granted != fo_tot_granted)
struct filter_obd *filter = &obd->u.filter;
struct filter_export_data *fed = &exp->exp_filter_data;
- spin_lock(&obd->obd_osfs_lock);
- spin_lock(&obd->obd_dev_lock);
- list_del_init(&exp->exp_obd_chain);
- spin_unlock(&obd->obd_dev_lock);
-
+ cfs_spin_lock(&obd->obd_osfs_lock);
LASSERTF(filter->fo_tot_granted >= fed->fed_grant,
"%s: tot_granted "LPU64" cli %s/%p fed_grant %ld\n",
obd->obd_name, filter->fo_tot_granted,
fed->fed_dirty = 0;
fed->fed_grant = 0;
- spin_unlock(&obd->obd_osfs_lock);
+ cfs_spin_unlock(&obd->obd_osfs_lock);
}
static int filter_destroy_export(struct obd_export *exp)
{
+ struct filter_export_data *fed = &exp->exp_filter_data;
ENTRY;
- if (exp->exp_filter_data.fed_pending)
+ if (fed->fed_pending)
CERROR("%s: cli %s/%p has %lu pending on destroyed export\n",
exp->exp_obd->obd_name, exp->exp_client_uuid.uuid,
- exp, exp->exp_filter_data.fed_pending);
+ exp, fed->fed_pending);
lquota_clearinfo(filter_quota_interface_ref, exp, exp->exp_obd);
if (obd_uuid_equals(&exp->exp_client_uuid, &exp->exp_obd->obd_uuid))
RETURN(0);
+ lut_client_free(exp);
- if (exp->exp_obd->obd_replayable)
- filter_client_free(exp);
- else
+ if (!exp->exp_obd->obd_replayable)
fsfilt_sync(exp->exp_obd, exp->exp_obd->u.obt.obt_sb);
filter_grant_discard(exp);
/* look for group with min. number, but > worked */
olg_min = NULL;
group = 1 << 30;
- spin_lock(&filter->fo_llog_list_lock);
- list_for_each_entry(olg, &filter->fo_llog_list, olg_list) {
+ cfs_spin_lock(&filter->fo_llog_list_lock);
+ cfs_list_for_each_entry(olg, &filter->fo_llog_list, olg_list) {
if (olg->olg_group <= worked) {
/* this group is already synced */
continue;
olg_min = olg;
group = olg->olg_group;
}
- spin_unlock(&filter->fo_llog_list_lock);
+ cfs_spin_unlock(&filter->fo_llog_list_lock);
if (olg_min == NULL)
break;
lquota_clearinfo(filter_quota_interface_ref, exp, exp->exp_obd);
- /* Disconnect early so that clients can't keep using export */
- rc = class_disconnect(exp);
- if (exp->exp_obd->obd_namespace != NULL)
- ldlm_cancel_locks_for_export(exp);
-
- fsfilt_sync(obd, obd->u.obt.obt_sb);
+ rc = server_disconnect_export(exp);
- lprocfs_exp_cleanup(exp);
+ if (exp->exp_obd->obd_replayable)
+ filter_client_del(exp);
+ else
+ fsfilt_sync(obd, obd->u.obt.obt_sb);
class_export_put(exp);
RETURN(rc);
int rc = 0;
ENTRY;
- rc = filter_auth_capa(exp, NULL, oinfo_mdsno(oinfo),
+ LASSERT(oinfo->oi_oa->o_valid & OBD_MD_FLGROUP);
+ rc = filter_auth_capa(exp, NULL, oinfo->oi_oa->o_gr,
oinfo_capa(oinfo), CAPA_OPC_META_READ);
if (rc)
RETURN(rc);
loff_t old_size = 0;
unsigned int ia_valid;
struct inode *inode;
+ struct page *page = NULL;
struct iattr iattr;
void *handle;
ENTRY;
if (rc)
GOTO(out_unlock, rc);
+ /* Let's pin the last page so that ldiskfs_truncate
+ * should not start GFP_FS allocation. */
+ if (ia_valid & ATTR_SIZE) {
+ page = grab_cache_page(inode->i_mapping,
+ iattr.ia_size >> PAGE_CACHE_SHIFT);
+ if (page == NULL)
+ GOTO(out_unlock, rc = -ENOMEM);
+
+ unlock_page(page);
+ }
+
/* If the inode still has SUID+SGID bits set (see filter_precreate())
* then we will accept the UID+GID sent by the client during write for
* initializing the ownership of this inode. We only allow this to
GOTO(out_unlock, rc = PTR_ERR(handle));
}
if (oa->o_valid & OBD_MD_FLFLAGS) {
- rc = fsfilt_iocontrol(exp->exp_obd, inode, NULL,
- EXT3_IOC_SETFLAGS, (long)&oa->o_flags);
+ rc = fsfilt_iocontrol(exp->exp_obd, dentry,
+ FSFILT_IOC_SETFLAGS, (long)&oa->o_flags);
} else {
rc = fsfilt_setattr(exp->exp_obd, dentry, handle, &iattr, 1);
if (fcc != NULL)
}
EXIT;
+
out_unlock:
+ if (page)
+ page_cache_release(page);
+
if (ia_valid & (ATTR_SIZE | ATTR_UID | ATTR_GID))
UNLOCK_INODE_MUTEX(inode);
if (ia_valid & ATTR_SIZE)
if (oa->o_valid & OBD_FL_TRUNC)
opc |= CAPA_OPC_OSS_TRUNC;
- rc = filter_auth_capa(exp, NULL, obdo_mdsno(oa), capa, opc);
+
+ LASSERT(oa->o_valid & OBD_MD_FLGROUP);
+ rc = filter_auth_capa(exp, NULL, oa->o_gr, capa, opc);
if (rc)
RETURN(rc);
if (oa->o_valid & (OBD_MD_FLUID | OBD_MD_FLGID)) {
- rc = filter_capa_fixoa(exp, oa, obdo_mdsno(oa), capa);
+ rc = filter_capa_fixoa(exp, oa, oa->o_gr, capa);
if (rc)
RETURN(rc);
}
filter = &exp->exp_obd->u.filter;
push_ctxt(&saved, &exp->exp_obd->obd_lvfs_ctxt, NULL);
- lock_kernel();
+ /*
+ * We need to be atomic against a concurrent write
+ * (which takes the semaphore for reading). fmd_mactime_xid
+ * checks will have no effect if a write request with lower
+ * xid starts just before a setattr and finishes later than
+ * the setattr (see bug 21489, comment 27).
+ */
if (oa->o_valid &
(OBD_MD_FLMTIME | OBD_MD_FLATIME | OBD_MD_FLCTIME)) {
+ down_write(&dentry->d_inode->i_alloc_sem);
fmd = filter_fmd_get(exp, oa->o_id, oa->o_gr);
if (fmd && fmd->fmd_mactime_xid < oti->oti_xid)
fmd->fmd_mactime_xid = oti->oti_xid;
filter_fmd_put(exp, fmd);
+ up_write(&dentry->d_inode->i_alloc_sem);
}
/* setting objects attributes (including owner/group) */
if (res != NULL) {
LDLM_RESOURCE_ADDREF(res);
- rc = ldlm_res_lvbo_update(res, NULL, 0, 0);
+ rc = ldlm_res_lvbo_update(res, NULL, 0);
LDLM_RESOURCE_DELREF(res);
ldlm_resource_putref(res);
}
EXIT;
out_unlock:
- unlock_kernel();
f_dput(dentry);
pop_ctxt(&saved, &exp->exp_obd->obd_lvfs_ctxt, NULL);
return rc;
static int filter_destroy_precreated(struct obd_export *exp, struct obdo *oa,
struct filter_obd *filter)
{
- struct obdo doa; /* XXX obdo on stack */
+ struct obdo doa = { 0 }; /* XXX obdo on stack */
obd_id last, id;
int rc = 0;
int skip_orphan;
doa.o_gr = oa->o_gr;
doa.o_mode = S_IFREG;
- if (!test_bit(doa.o_gr, &filter->fo_destroys_in_progress)) {
+ if (!cfs_test_bit(doa.o_gr, &filter->fo_destroys_in_progress)) {
CERROR("%s:["LPU64"] destroys_in_progress already cleared\n",
exp->exp_obd->obd_name, doa.o_gr);
RETURN(0);
oa->o_id = last;
rc = 0;
}
- clear_bit(doa.o_gr, &filter->fo_destroys_in_progress);
+ cfs_clear_bit(doa.o_gr, &filter->fo_destroys_in_progress);
RETURN(rc);
}
RETURN(0);
}
/* This causes inflight precreates to abort and drop lock */
- set_bit(group, &filter->fo_destroys_in_progress);
- down(&filter->fo_create_locks[group]);
- if (!test_bit(group, &filter->fo_destroys_in_progress)) {
+ cfs_set_bit(group, &filter->fo_destroys_in_progress);
+ cfs_down(&filter->fo_create_locks[group]);
+ if (!cfs_test_bit(group, &filter->fo_destroys_in_progress)) {
CERROR("%s:["LPU64"] destroys_in_progress already cleared\n",
exp->exp_obd->obd_name, group);
- up(&filter->fo_create_locks[group]);
+ cfs_up(&filter->fo_create_locks[group]);
RETURN(0);
}
diff = oa->o_id - last;
GOTO(out, rc);
} else {
/* XXX: Used by MDS for the first time! */
- clear_bit(group, &filter->fo_destroys_in_progress);
+ cfs_clear_bit(group, &filter->fo_destroys_in_progress);
}
} else {
- down(&filter->fo_create_locks[group]);
+ cfs_down(&filter->fo_create_locks[group]);
if (oti->oti_conn_cnt < exp->exp_conn_cnt) {
CERROR("%s: dropping old precreate request\n",
obd->obd_name);
GOTO(out, rc = 0);
}
/* only precreate if group == 0 and o_id is specfied */
- if (group == FILTER_GROUP_LLOG || oa->o_id == 0)
+ if (!filter_group_is_mds(group) || oa->o_id == 0)
diff = 1;
else
diff = oa->o_id - filter_last_id(filter, group);
/* else diff == 0 */
GOTO(out, rc = 0);
out:
- up(&filter->fo_create_locks[group]);
+ cfs_up(&filter->fo_create_locks[group]);
return rc;
}
/* at least try to account for cached pages. its still racey and
* might be under-reporting if clients haven't announced their
* caches with brw recently */
- spin_lock(&obd->obd_osfs_lock);
+ cfs_spin_lock(&obd->obd_osfs_lock);
rc = fsfilt_statfs(obd, obd->u.obt.obt_sb, max_age);
memcpy(osfs, &obd->obd_osfs, sizeof(*osfs));
- spin_unlock(&obd->obd_osfs_lock);
+ cfs_spin_unlock(&obd->obd_osfs_lock);
CDEBUG(D_SUPER | D_CACHE, "blocks cached "LPU64" granted "LPU64
" pending "LPU64" free "LPU64" avail "LPU64"\n",
((filter->fo_tot_dirty + filter->fo_tot_pending +
osfs->os_bsize - 1) >> blockbits));
+ if (OBD_FAIL_CHECK(OBD_FAIL_OST_ENOSPC)) {
+ struct lr_server_data *lsd = class_server_data(obd);
+ int index = le32_to_cpu(lsd->lsd_ost_index);
+
+ if (obd_fail_val == -1 ||
+ index == obd_fail_val)
+ osfs->os_bfree = osfs->os_bavail = 2;
+ else if (obd_fail_loc & OBD_FAIL_ONCE)
+ obd_fail_loc &= ~OBD_FAILED; /* reset flag */
+ }
+
/* set EROFS to state field if FS is mounted as RDONLY. The goal is to
* stop creating files on MDS if OST is not good shape to create
* objects.*/
- osfs->os_state = (filter->fo_obt.obt_sb->s_flags & MS_RDONLY) ?
- OS_STATE_READONLY : 0;
+ osfs->os_state = 0;
+
+ if (filter->fo_obt.obt_sb->s_flags & MS_RDONLY)
+ osfs->os_state = OS_STATE_READONLY;
+
+ if (filter->fo_raid_degraded)
+ osfs->os_state |= OS_STATE_DEGRADED;
RETURN(rc);
}
int rc;
__u64 os_ffree = -1;
- spin_lock(&obd->obd_osfs_lock);
+ cfs_spin_lock(&obd->obd_osfs_lock);
rc = fsfilt_statfs(obd, obd->u.obt.obt_sb, cfs_time_shift_64(1));
if (rc == 0)
os_ffree = obd->obd_osfs.os_ffree;
- spin_unlock(&obd->obd_osfs_lock);
+ cfs_spin_unlock(&obd->obd_osfs_lock);
return os_ffree;
}
OBD_ALLOC(osfs, sizeof(*osfs));
if (osfs == NULL)
RETURN(-ENOMEM);
- rc = filter_statfs(obd, osfs, cfs_time_current_64() - HZ, 0);
+ rc = filter_statfs(obd, osfs, cfs_time_current_64() - CFS_HZ,
+ 0);
if (rc == 0 && osfs->os_bavail < (osfs->os_blocks >> 10)) {
CDEBUG(D_RPCTRACE,"%s: not enough space for create "
LPU64"\n", obd->obd_name, osfs->os_bavail <<
for (i = 0; i < *num && err == 0; i++) {
int cleanup_phase = 0;
- if (test_bit(group, &filter->fo_destroys_in_progress)) {
+ if (cfs_test_bit(group, &filter->fo_destroys_in_progress)) {
CWARN("%s: create aborted by destroy\n",
obd->obd_name);
rc = -EAGAIN;
GOTO(cleanup, rc);
}
+ if (dchild->d_inode)
+ CDEBUG(D_INFO, "objid "LPU64" got inum %lu\n", next_id,
+ dchild->d_inode->i_ino);
+
set_last_id:
if (!recreate_obj) {
filter_set_last_id(filter, next_id, group);
if (rc)
break;
- if (time_after(jiffies, enough_time)) {
+ if (cfs_time_after(jiffies, enough_time)) {
CDEBUG(D_RPCTRACE,
"%s: precreate slow - want %d got %d \n",
obd->obd_name, *num, i);
rc = -EINVAL;
} else {
diff = 1;
- down(&filter->fo_create_locks[oa->o_gr]);
+ cfs_down(&filter->fo_create_locks[oa->o_gr]);
rc = filter_precreate(obd, oa, oa->o_gr, &diff);
- up(&filter->fo_create_locks[oa->o_gr]);
+ cfs_up(&filter->fo_create_locks[oa->o_gr]);
}
} else {
rc = filter_handle_precreate(exp, oa, oa->o_gr, oti);
ENTRY;
LASSERT(oa->o_valid & OBD_MD_FLGROUP);
-
- rc = filter_auth_capa(exp, NULL, obdo_mdsno(oa),
+ rc = filter_auth_capa(exp, NULL, oa->o_gr,
(struct lustre_capa *)capa, CAPA_OPC_OSS_DESTROY);
if (rc)
RETURN(rc);
if (oa->o_valid & OBD_MD_FLCOOKIE) {
struct llog_ctxt *ctxt;
struct obd_llog_group *olg;
- fcc = &oa->o_lcookie;
+
olg = filter_find_olg(obd, oa->o_gr);
if (!olg) {
CERROR(" %s: can not find olg of group %d\n",
obd->obd_name, (int)oa->o_gr);
GOTO(cleanup, rc = PTR_ERR(olg));
}
- llog_group_set_export(olg, exp);
-
+ fcc = &oa->o_lcookie;
ctxt = llog_group_get_ctxt(olg, fcc->lgc_subsys + 1);
llog_cancel(ctxt, NULL, 1, fcc, 0);
llog_ctxt_put(ctxt);
GOTO(cleanup, rc = -ENOENT);
}
- filter_prepare_destroy(obd, oa->o_id, oa->o_gr, &lockh);
+ rc = filter_prepare_destroy(obd, oa->o_id, oa->o_gr, &lockh);
+ if (rc)
+ GOTO(cleanup, rc);
/* Our MDC connection is established by the MDS to us */
if (oa->o_valid & OBD_MD_FLCOOKIE) {
* down(i_zombie) down(i_zombie)
* restart transaction
* (see BUG 4180) -bzzz
+ *
+ * take i_alloc_sem too to prevent other threads from writing to the
+ * file while we are truncating it. This can cause lock ordering issue
+ * between page lock, i_mutex & starting new journal handle.
+ * (see bug 20321) -johann
*/
+ down_write(&dchild->d_inode->i_alloc_sem);
LOCK_INODE_MUTEX(dchild->d_inode);
/* VBR: version recovery check */
rc = filter_version_get_check(exp, oti, dchild->d_inode);
- if (rc)
+ if (rc) {
+ UNLOCK_INODE_MUTEX(dchild->d_inode);
+ up_write(&dchild->d_inode->i_alloc_sem);
GOTO(cleanup, rc);
+ }
handle = fsfilt_start_log(obd, dchild->d_inode, FSFILT_OP_SETATTR,
NULL, 1);
if (IS_ERR(handle)) {
UNLOCK_INODE_MUTEX(dchild->d_inode);
+ up_write(&dchild->d_inode->i_alloc_sem);
GOTO(cleanup, rc = PTR_ERR(handle));
}
rc = fsfilt_setattr(obd, dchild, handle, &iattr, 1);
rc2 = fsfilt_commit(obd, dchild->d_inode, handle, 0);
UNLOCK_INODE_MUTEX(dchild->d_inode);
+ up_write(&dchild->d_inode->i_alloc_sem);
if (rc)
GOTO(cleanup, rc);
if (rc2)
int rc, rc2;
ENTRY;
- rc = filter_auth_capa(exp, NULL, obdo_mdsno(oa),
+ LASSERT(oa->o_valid & OBD_MD_FLGROUP);
+ rc = filter_auth_capa(exp, NULL, oa->o_gr,
(struct lustre_capa *)capa, CAPA_OPC_OSS_WRITE);
if (rc)
RETURN(rc);
memcpy(fiemap, &fm_key->fiemap, sizeof(*fiemap));
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- rc = fsfilt_iocontrol(obd, dentry->d_inode, NULL,
- EXT3_IOC_FIEMAP, (long)fiemap);
+ rc = fsfilt_iocontrol(obd, dentry, FSFILT_IOC_FIEMAP,
+ (long)fiemap);
pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
f_dput(dentry);
struct ost_body *body)
{
/* handle shrink grant */
- spin_lock(&exp->exp_obd->obd_osfs_lock);
+ cfs_spin_lock(&exp->exp_obd->obd_osfs_lock);
filter_grant_incoming(exp, &body->oa);
- spin_unlock(&exp->exp_obd->obd_osfs_lock);
+ cfs_spin_unlock(&exp->exp_obd->obd_osfs_lock);
RETURN(0);
rc = 1;
#ifdef USE_HEALTH_CHECK_WRITE
- LASSERT(filter->fo_health_check_filp != NULL);
- rc |= !!lvfs_check_io_health(obd, filter->fo_health_check_filp);
+ LASSERT(filter->fo_obt.obt_health_check_filp != NULL);
+ rc |= !!lvfs_check_io_health(obd, filter->fo_obt.obt_health_check_filp);
#endif
return rc;
}
static int __init obdfilter_init(void)
{
struct lprocfs_static_vars lvars;
- int rc;
+ int rc, i;
+
+ /** sanity check for group<->mdsno conversion */
+ for (i = 0; i < 32; i++)
+ LASSERT(objgrp_to_mdsno(mdt_to_obd_objgrp(i)) == i);
lprocfs_filter_init_vars(&lvars);
- request_module("lquota");
+ cfs_request_module("%s", "lquota");
OBD_ALLOC(obdfilter_created_scratchpad,
OBDFILTER_CREATED_SCRATCHPAD_ENTRIES *
sizeof(*obdfilter_created_scratchpad));
git://git.whamcloud.com / fs / lustre-release.git / blobdiff