* Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2012, Whamcloud, Inc.
+ * Copyright (c) 2012, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define DEBUG_SUBSYSTEM S_FILTER
+#include <lustre/lustre_idl.h>
#include "ofd_internal.h"
#include <obd_cksum.h>
+#include <lustre_ioctl.h>
+#include <lustre_quota.h>
+#include <lustre_lfsck.h>
+
+static int ofd_export_stats_init(struct ofd_device *ofd,
+ struct obd_export *exp, void *client_nid)
+{
+ struct obd_device *obd = ofd_obd(ofd);
+ struct nid_stat *stats;
+ int num_stats;
+ int rc, newnid = 0;
+
+ ENTRY;
+
+ LASSERT(obd->obd_uses_nid_stats);
+
+ if (obd_uuid_equals(&exp->exp_client_uuid, &obd->obd_uuid))
+ /* Self-export gets no proc entry */
+ RETURN(0);
+
+ rc = lprocfs_exp_setup(exp, client_nid, &newnid);
+ if (rc) {
+ /* Mask error for already created
+ * /proc entries */
+ if (rc == -EALREADY)
+ rc = 0;
+ RETURN(rc);
+ }
+
+ if (newnid == 0)
+ RETURN(0);
+
+ stats = exp->exp_nid_stats;
+ LASSERT(stats != NULL);
+
+ num_stats = NUM_OBD_STATS + LPROC_OFD_STATS_LAST;
+
+ stats->nid_stats = lprocfs_alloc_stats(num_stats,
+ LPROCFS_STATS_FLAG_NOPERCPU);
+ if (stats->nid_stats == NULL)
+ return -ENOMEM;
+
+ lprocfs_init_ops_stats(LPROC_OFD_STATS_LAST, stats->nid_stats);
+ ofd_stats_counter_init(stats->nid_stats);
+ rc = lprocfs_register_stats(stats->nid_proc, "stats",
+ stats->nid_stats);
+ if (rc)
+ GOTO(clean, rc);
+
+ rc = lprocfs_nid_ldlm_stats_init(stats);
+ if (rc) {
+ lprocfs_free_stats(&stats->nid_stats);
+ GOTO(clean, rc);
+ }
+
+ RETURN(0);
+clean:
+ return rc;
+}
static int ofd_parse_connect_data(const struct lu_env *env,
struct obd_export *exp,
- struct obd_connect_data *data)
+ struct obd_connect_data *data,
+ bool new_connection)
{
struct ofd_device *ofd = ofd_exp(exp);
struct filter_export_data *fed = &exp->exp_filter_data;
RETURN(0);
CDEBUG(D_RPCTRACE, "%s: cli %s/%p ocd_connect_flags: "LPX64
- " ocd_version: %x ocd_grant: %d ocd_index: %u\n",
+ " ocd_version: %x ocd_grant: %d ocd_index: %u"
+ " ocd_group %u\n",
exp->exp_obd->obd_name, exp->exp_client_uuid.uuid, exp,
data->ocd_connect_flags, data->ocd_version,
- data->ocd_grant, data->ocd_index);
+ data->ocd_grant, data->ocd_index, data->ocd_group);
if (fed->fed_group != 0 && fed->fed_group != data->ocd_group) {
CWARN("!!! This export (nid %s) used object group %d "
fed->fed_group = data->ocd_group;
data->ocd_connect_flags &= OST_CONNECT_SUPPORTED;
- exp->exp_connect_flags = data->ocd_connect_flags;
data->ocd_version = LUSTRE_VERSION_CODE;
/* Kindly make sure the SKIP_ORPHAN flag is from MDS. */
else if (data->ocd_connect_flags & OBD_CONNECT_SKIP_ORPHAN)
RETURN(-EPROTO);
+ if (ofd_grant_param_supp(exp)) {
+ exp->exp_filter_data.fed_pagesize = data->ocd_blocksize;
+ /* ocd_{blocksize,inodespace} are log2 values */
+ data->ocd_blocksize = ofd->ofd_blockbits;
+ data->ocd_inodespace = ofd->ofd_dt_conf.ddp_inodespace;
+ /* ocd_grant_extent is in 1K blocks */
+ data->ocd_grant_extent = ofd->ofd_dt_conf.ddp_grant_frag >> 10;
+ }
+
+ if (data->ocd_connect_flags & OBD_CONNECT_GRANT)
+ data->ocd_grant = ofd_grant_connect(env, exp, data->ocd_grant,
+ new_connection);
+
if (data->ocd_connect_flags & OBD_CONNECT_INDEX) {
struct lr_server_data *lsd = &ofd->ofd_lut.lut_lsd;
- int index = lsd->lsd_ost_index;
+ int index = lsd->lsd_osd_index;
- if (!(lsd->lsd_feature_compat & OBD_COMPAT_OST)) {
- /* this will only happen on the first connect */
- lsd->lsd_ost_index = data->ocd_index;
- lsd->lsd_feature_compat |= OBD_COMPAT_OST;
- /* sync is not needed here as lut_client_add will
- * set exp_need_sync flag */
- lut_server_data_update(env, &ofd->ofd_lut, 0);
- } else if (index != data->ocd_index) {
+ if (index != data->ocd_index) {
LCONSOLE_ERROR_MSG(0x136, "Connection from %s to index"
" %u doesn't match actual OST index"
" %u in last_rcvd file, bad "
data->ocd_index);
RETURN(-EBADF);
}
+ if (!(lsd->lsd_feature_compat & OBD_COMPAT_OST)) {
+ /* this will only happen on the first connect */
+ lsd->lsd_feature_compat |= OBD_COMPAT_OST;
+ /* sync is not needed here as lut_client_add will
+ * set exp_need_sync flag */
+ tgt_server_data_update(env, &ofd->ofd_lut, 0);
+ }
}
-
if (OBD_FAIL_CHECK(OBD_FAIL_OST_BRW_SIZE)) {
data->ocd_brw_size = 65536;
} else if (data->ocd_connect_flags & OBD_CONNECT_BRW_SIZE) {
data->ocd_brw_size = min(data->ocd_brw_size,
- (__u32)(PTLRPC_MAX_BRW_PAGES << CFS_PAGE_SHIFT));
+ (__u32)DT_MAX_BRW_SIZE);
if (data->ocd_brw_size == 0) {
CERROR("%s: cli %s/%p ocd_connect_flags: "LPX64
" ocd_version: %x ocd_grant: %d ocd_index: %u "
/* The client set in ocd_cksum_types the checksum types it
* supports. We have to mask off the algorithms that we don't
* support */
- data->ocd_cksum_types &= cksum_types_supported();
+ data->ocd_cksum_types &= cksum_types_supported_server();
if (unlikely(data->ocd_cksum_types == 0)) {
CERROR("%s: Connect with checksum support but no "
if (data->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
data->ocd_maxbytes = ofd->ofd_dt_conf.ddp_maxbytes;
- RETURN(0);
+ if (OCD_HAS_FLAG(data, PINGLESS)) {
+ if (ptlrpc_pinger_suppress_pings()) {
+ spin_lock(&exp->exp_obd->obd_dev_lock);
+ list_del_init(&exp->exp_obd_chain_timed);
+ spin_unlock(&exp->exp_obd->obd_dev_lock);
+ } else {
+ data->ocd_connect_flags &= ~OBD_CONNECT_PINGLESS;
+ }
+ }
+
+ RETURN(0);
}
static int ofd_obd_reconnect(const struct lu_env *env, struct obd_export *exp,
struct obd_device *obd, struct obd_uuid *cluuid,
struct obd_connect_data *data, void *localdata)
{
- int rc;
+ struct ofd_device *ofd;
+ int rc;
ENTRY;
if (exp == NULL || obd == NULL || cluuid == NULL)
RETURN(-EINVAL);
- rc = lu_env_refill((struct lu_env *)env);
- if (rc != 0) {
- CERROR("Failure to refill session: '%d'\n", rc);
- RETURN(rc);
- }
+ ofd = ofd_dev(obd->obd_lu_dev);
- ofd_info_init(env, exp);
- rc = ofd_parse_connect_data(env, exp, data);
+ rc = ofd_parse_connect_data(env, exp, data, false);
+ if (rc == 0)
+ ofd_export_stats_init(ofd, exp, localdata);
RETURN(rc);
}
struct obd_export *exp;
struct ofd_device *ofd;
struct lustre_handle conn = { 0 };
- int rc, group;
-
+ int rc;
ENTRY;
if (_exp == NULL || obd == NULL || cluuid == NULL)
exp = class_conn2export(&conn);
LASSERT(exp != NULL);
- rc = lu_env_refill((struct lu_env *)env);
- if (rc != 0) {
- CERROR("Failure to refill session: '%d'\n", rc);
- GOTO(out, rc);
- }
-
- ofd_info_init(env, exp);
-
- rc = ofd_parse_connect_data(env, exp, data);
+ rc = ofd_parse_connect_data(env, exp, data, true);
if (rc)
GOTO(out, rc);
- ofd_export_stats_init(ofd, exp, localdata);
- group = data->ocd_group;
if (obd->obd_replayable) {
struct tg_export_data *ted = &exp->exp_target_data;
memcpy(ted->ted_lcd->lcd_uuid, cluuid,
sizeof(ted->ted_lcd->lcd_uuid));
- rc = lut_client_new(env, exp);
+ rc = tgt_client_new(env, exp);
if (rc != 0)
GOTO(out, rc);
+ ofd_export_stats_init(ofd, exp, localdata);
}
- if (group == 0)
- GOTO(out, rc = 0);
- /* init new group */
- if (group > ofd->ofd_max_group) {
- ofd->ofd_max_group = group;
- rc = ofd_group_load(env, ofd, group);
- }
+ CDEBUG(D_HA, "%s: get connection from MDS %d\n", obd->obd_name,
+ data ? data->ocd_group : -1);
+
out:
if (rc != 0) {
class_disconnect(exp);
RETURN(rc);
}
-static int ofd_obd_disconnect(struct obd_export *exp)
+int ofd_obd_disconnect(struct obd_export *exp)
{
- struct lu_env env;
- int rc;
+ struct ofd_device *ofd = ofd_exp(exp);
+ struct lu_env env;
+ int rc;
ENTRY;
LASSERT(exp);
class_export_get(exp);
+ if (!(exp->exp_flags & OBD_OPT_FORCE))
+ ofd_grant_sanity_check(ofd_obd(ofd), __FUNCTION__);
+
rc = server_disconnect_export(exp);
- rc = lu_env_init(&env, LCT_DT_THREAD);
- if (rc)
- RETURN(rc);
+ ofd_grant_discard(exp);
/* Do not erase record for recoverable client. */
if (exp->exp_obd->obd_replayable &&
- (!exp->exp_obd->obd_fail || exp->exp_failed))
- lut_client_del(&env, exp);
- lu_env_fini(&env);
+ (!exp->exp_obd->obd_fail || exp->exp_failed)) {
+ rc = lu_env_init(&env, LCT_DT_THREAD);
+ if (rc)
+ GOTO(out, rc);
+ tgt_client_del(&env, exp);
+ lu_env_fini(&env);
+ }
+out:
class_export_put(exp);
RETURN(rc);
}
{
int rc;
- cfs_spin_lock_init(&exp->exp_filter_data.fed_lock);
+ spin_lock_init(&exp->exp_filter_data.fed_lock);
CFS_INIT_LIST_HEAD(&exp->exp_filter_data.fed_mod_list);
- cfs_spin_lock(&exp->exp_lock);
+ atomic_set(&exp->exp_filter_data.fed_soft_sync_count, 0);
+ spin_lock(&exp->exp_lock);
exp->exp_connecting = 1;
- cfs_spin_unlock(&exp->exp_lock);
+ spin_unlock(&exp->exp_lock);
/* self-export doesn't need client data and ldlm initialization */
if (unlikely(obd_uuid_equals(&exp->exp_obd->obd_uuid,
&exp->exp_client_uuid)))
return 0;
- rc = lut_client_alloc(exp);
+ rc = tgt_client_alloc(exp);
if (rc == 0)
ldlm_init_export(exp);
if (rc)
static int ofd_destroy_export(struct obd_export *exp)
{
+ struct ofd_device *ofd = ofd_exp(exp);
+
if (exp->exp_filter_data.fed_pending)
CERROR("%s: cli %s/%p has %lu pending on destroyed export"
"\n", exp->exp_obd->obd_name, exp->exp_client_uuid.uuid,
return 0;
ldlm_destroy_export(exp);
- lut_client_free(exp);
+ tgt_client_free(exp);
+
+ ofd_fmd_cleanup(exp);
+
+ /*
+ * discard grants once we're sure no more
+ * interaction with the client is possible
+ */
+ ofd_grant_discard(exp);
+ ofd_fmd_cleanup(exp);
+
+ if (exp_connect_flags(exp) & OBD_CONNECT_GRANT_SHRINK) {
+ if (ofd->ofd_tot_granted_clients > 0)
+ ofd->ofd_tot_granted_clients --;
+ }
+
+ if (!(exp->exp_flags & OBD_OPT_FORCE))
+ ofd_grant_sanity_check(exp->exp_obd, __FUNCTION__);
LASSERT(cfs_list_empty(&exp->exp_filter_data.fed_mod_list));
return 0;
}
+int ofd_postrecov(const struct lu_env *env, struct ofd_device *ofd)
+{
+ struct lu_device *ldev = &ofd->ofd_dt_dev.dd_lu_dev;
+ struct lfsck_start_param lsp;
+ int rc;
+
+ CDEBUG(D_HA, "%s: recovery is over\n", ofd_name(ofd));
+
+ lsp.lsp_start = NULL;
+ lsp.lsp_index_valid = 0;
+ rc = lfsck_start(env, ofd->ofd_osd, &lsp);
+ if (rc != 0 && rc != -EALREADY)
+ CWARN("%s: auto trigger paused LFSCK failed: rc = %d\n",
+ ofd_name(ofd), rc);
+
+ return ldev->ld_ops->ldo_recovery_complete(env, ldev);
+}
+
int ofd_obd_postrecov(struct obd_device *obd)
{
struct lu_env env;
RETURN(rc);
ofd_info_init(&env, obd->obd_self_export);
- rc = ldev->ld_ops->ldo_recovery_complete(&env, ldev);
- lu_env_fini(&env);
- RETURN(rc);
-}
-
-static int ofd_set_mds_conn(struct obd_export *exp, void *val)
-{
- int rc = 0;
+ rc = ofd_postrecov(&env, ofd_dev(ldev));
- ENTRY;
-
- LCONSOLE_WARN("%s: received MDS connection from %s\n",
- exp->exp_obd->obd_name, obd_export_nid2str(exp));
+ lu_env_fini(&env);
RETURN(rc);
}
+/* This is not called from request handler, check ofd_set_info_hdl() instead
+ * this OBD functions is only used by class_notify_sptlrpc_conf() locally
+ * by direct obd_set_info_async() call */
static int ofd_set_info_async(const struct lu_env *env, struct obd_export *exp,
__u32 keylen, void *key, __u32 vallen, void *val,
struct ptlrpc_request_set *set)
{
- struct ofd_device *ofd = ofd_exp(exp);
- int rc = 0;
+ int rc = 0;
ENTRY;
RETURN(-EINVAL);
}
- if (KEY_IS(KEY_CAPA_KEY)) {
- rc = ofd_update_capa_key(ofd, val);
- if (rc)
- CERROR("ofd update capability key failed: %d\n", rc);
- } else if (KEY_IS(KEY_MDS_CONN)) {
- rc = ofd_set_mds_conn(exp, val);
+ if (KEY_IS(KEY_SPTLRPC_CONF)) {
+ rc = tgt_adapt_sptlrpc_conf(class_exp2tgt(exp), 0);
} else {
CERROR("%s: Unsupported key %s\n",
exp->exp_obd->obd_name, (char*)key);
rc = -EOPNOTSUPP;
}
-
RETURN(rc);
}
+/* used by nrs_orr_range_fill_physical() in ptlrpc, see LU-3239 */
static int ofd_get_info(const struct lu_env *env, struct obd_export *exp,
__u32 keylen, void *key, __u32 *vallen, void *val,
struct lov_stripe_md *lsm)
{
- struct ofd_device *ofd = ofd_exp(exp);
- int rc = 0;
+ struct ofd_thread_info *info;
+ struct ofd_device *ofd;
+ struct ll_fiemap_info_key *fm_key = key;
+ struct ll_user_fiemap *fiemap = val;
+ int rc = 0;
ENTRY;
RETURN(-EINVAL);
}
- if (KEY_IS(KEY_BLOCKSIZE)) {
- __u32 *blocksize = val;
- if (blocksize) {
- if (*vallen < sizeof(*blocksize))
- RETURN(-EOVERFLOW);
- *blocksize = 1 << ofd->ofd_dt_conf.ddp_block_shift;
- }
- *vallen = sizeof(*blocksize);
- } else if (KEY_IS(KEY_BLOCKSIZE_BITS)) {
- __u32 *blocksize_bits = val;
- if (blocksize_bits) {
- if (*vallen < sizeof(*blocksize_bits))
- RETURN(-EOVERFLOW);
- *blocksize_bits = ofd->ofd_dt_conf.ddp_block_shift;
- }
- *vallen = sizeof(*blocksize_bits);
- } else if (KEY_IS(KEY_LAST_ID)) {
- obd_id *last_id = val;
- if (last_id) {
- if (*vallen < sizeof(*last_id))
- RETURN(-EOVERFLOW);
- *last_id = ofd_last_id(ofd,
- exp->exp_filter_data.fed_group);
- }
- *vallen = sizeof(*last_id);
+ ofd = ofd_exp(exp);
+
+ if (KEY_IS(KEY_FIEMAP)) {
+ info = ofd_info_init(env, exp);
+
+ rc = ostid_to_fid(&info->fti_fid, &fm_key->oa.o_oi,
+ ofd->ofd_lut.lut_lsd.lsd_osd_index);
+ if (rc != 0)
+ RETURN(rc);
+
+ rc = ofd_fiemap_get(env, ofd, &info->fti_fid, fiemap);
} else {
- CERROR("Not supported key %s\n", (char*)key);
+ CERROR("%s: not supported key %s\n", ofd_name(ofd), (char*)key);
rc = -EOPNOTSUPP;
}
int ofd_statfs_internal(const struct lu_env *env, struct ofd_device *ofd,
struct obd_statfs *osfs, __u64 max_age, int *from_cache)
{
- int rc;
+ int rc = 0;
+ ENTRY;
- rc = dt_statfs(env, ofd->ofd_osd, osfs);
- if (unlikely(rc))
- return rc;
+ down_read(&ofd->ofd_lastid_rwsem);
+ /* Currently, for safe, we do not distinguish which LAST_ID is broken,
+ * we may do that in the future.
+ * Return -ENOSPC until the LAST_ID rebuilt. */
+ if (unlikely(ofd->ofd_lastid_rebuilding))
+ GOTO(out, rc = -ENOSPC);
+
+ spin_lock(&ofd->ofd_osfs_lock);
+ if (cfs_time_before_64(ofd->ofd_osfs_age, max_age) || max_age == 0) {
+ obd_size unstable;
+
+ /* statfs data are too old, get up-to-date one.
+ * we must be cautious here since multiple threads might be
+ * willing to update statfs data concurrently and we must
+ * grant that cached statfs data are always consistent */
+
+ if (ofd->ofd_statfs_inflight == 0)
+ /* clear inflight counter if no users, although it would
+ * take a while to overflow this 64-bit counter ... */
+ ofd->ofd_osfs_inflight = 0;
+ /* notify ofd_grant_commit() that we want to track writes
+ * completed as of now */
+ ofd->ofd_statfs_inflight++;
+ /* record value of inflight counter before running statfs to
+ * compute the diff once statfs is completed */
+ unstable = ofd->ofd_osfs_inflight;
+ spin_unlock(&ofd->ofd_osfs_lock);
+
+ /* statfs can sleep ... hopefully not for too long since we can
+ * call it fairly often as space fills up */
+ rc = dt_statfs(env, ofd->ofd_osd, osfs);
+ if (unlikely(rc))
+ GOTO(out, rc);
- return 0;
+ spin_lock(&ofd->ofd_grant_lock);
+ spin_lock(&ofd->ofd_osfs_lock);
+ /* calculate how much space was written while we released the
+ * ofd_osfs_lock */
+ unstable = ofd->ofd_osfs_inflight - unstable;
+ ofd->ofd_osfs_unstable = 0;
+ if (unstable) {
+ /* some writes completed while we were running statfs
+ * w/o the ofd_osfs_lock. Those ones got added to
+ * the cached statfs data that we are about to crunch.
+ * Take them into account in the new statfs data */
+ osfs->os_bavail -= min_t(obd_size, osfs->os_bavail,
+ unstable >> ofd->ofd_blockbits);
+ /* However, we don't really know if those writes got
+ * accounted in the statfs call, so tell
+ * ofd_grant_space_left() there is some uncertainty
+ * on the accounting of those writes.
+ * The purpose is to prevent spurious error messages in
+ * ofd_grant_space_left() since those writes might be
+ * accounted twice. */
+ ofd->ofd_osfs_unstable += unstable;
+ }
+ /* similarly, there is some uncertainty on write requests
+ * between prepare & commit */
+ ofd->ofd_osfs_unstable += ofd->ofd_tot_pending;
+ spin_unlock(&ofd->ofd_grant_lock);
+
+ /* finally udpate cached statfs data */
+ ofd->ofd_osfs = *osfs;
+ ofd->ofd_osfs_age = cfs_time_current_64();
+
+ ofd->ofd_statfs_inflight--; /* stop tracking */
+ if (ofd->ofd_statfs_inflight == 0)
+ ofd->ofd_osfs_inflight = 0;
+ spin_unlock(&ofd->ofd_osfs_lock);
+
+ if (from_cache)
+ *from_cache = 0;
+ } else {
+ /* use cached statfs data */
+ *osfs = ofd->ofd_osfs;
+ spin_unlock(&ofd->ofd_osfs_lock);
+ if (from_cache)
+ *from_cache = 1;
+ }
+
+ GOTO(out, rc);
+
+out:
+ up_read(&ofd->ofd_lastid_rwsem);
+
+ return rc;
}
-static int ofd_statfs(const struct lu_env *env, struct obd_export *exp,
- struct obd_statfs *osfs, __u64 max_age, __u32 flags)
+int ofd_statfs(const struct lu_env *env, struct obd_export *exp,
+ struct obd_statfs *osfs, __u64 max_age, __u32 flags)
{
- struct ofd_device *ofd = ofd_dev(exp->exp_obd->obd_lu_dev);
+ struct obd_device *obd = class_exp2obd(exp);
+ struct ofd_device *ofd = ofd_exp(exp);
int rc;
ENTRY;
if (unlikely(rc))
GOTO(out, rc);
- if (OBD_FAIL_CHECK_VALUE(OBD_FAIL_OST_ENOSPC,
- ofd->ofd_lut.lut_lsd.lsd_ost_index))
- osfs->os_bfree = osfs->os_bavail = 2;
+ /* at least try to account for cached pages. its still racy and
+ * might be under-reporting if clients haven't announced their
+ * caches with brw recently */
+
+ CDEBUG(D_SUPER | D_CACHE, "blocks cached "LPU64" granted "LPU64
+ " pending "LPU64" free "LPU64" avail "LPU64"\n",
+ ofd->ofd_tot_dirty, ofd->ofd_tot_granted, ofd->ofd_tot_pending,
+ osfs->os_bfree << ofd->ofd_blockbits,
+ osfs->os_bavail << ofd->ofd_blockbits);
+
+ osfs->os_bavail -= min_t(obd_size, osfs->os_bavail,
+ ((ofd->ofd_tot_dirty + ofd->ofd_tot_pending +
+ osfs->os_bsize - 1) >> ofd->ofd_blockbits));
+
+ /* The QoS code on the MDS does not care about space reserved for
+ * precreate, so take it out. */
+ if (exp_connect_flags(exp) & OBD_CONNECT_MDS) {
+ struct filter_export_data *fed;
+
+ fed = &obd->obd_self_export->exp_filter_data;
+ osfs->os_bavail -= min_t(obd_size, osfs->os_bavail,
+ fed->fed_grant >> ofd->ofd_blockbits);
+ }
+
+ ofd_grant_sanity_check(obd, __FUNCTION__);
+ CDEBUG(D_CACHE, LPU64" blocks: "LPU64" free, "LPU64" avail; "
+ LPU64" objects: "LPU64" free; state %x\n",
+ osfs->os_blocks, osfs->os_bfree, osfs->os_bavail,
+ osfs->os_files, osfs->os_ffree, osfs->os_state);
if (OBD_FAIL_CHECK_VALUE(OBD_FAIL_OST_ENOINO,
- ofd->ofd_lut.lut_lsd.lsd_ost_index))
+ ofd->ofd_lut.lut_lsd.lsd_osd_index))
osfs->os_ffree = 0;
+
+ /* OS_STATE_READONLY can be set by OSD already */
+ if (ofd->ofd_raid_degraded)
+ osfs->os_state |= OS_STATE_DEGRADED;
+
+ if (obd->obd_self_export != exp && ofd_grant_compat(exp, ofd)) {
+ /* clients which don't support OBD_CONNECT_GRANT_PARAM
+ * should not see a block size > page size, otherwise
+ * cl_lost_grant goes mad. Therefore, we emulate a 4KB (=2^12)
+ * block size which is the biggest block size known to work
+ * with all client's page size. */
+ osfs->os_blocks <<= ofd->ofd_blockbits - COMPAT_BSIZE_SHIFT;
+ osfs->os_bfree <<= ofd->ofd_blockbits - COMPAT_BSIZE_SHIFT;
+ osfs->os_bavail <<= ofd->ofd_blockbits - COMPAT_BSIZE_SHIFT;
+ osfs->os_bsize = 1 << COMPAT_BSIZE_SHIFT;
+ }
+
+ if (OBD_FAIL_CHECK_VALUE(OBD_FAIL_OST_ENOSPC,
+ ofd->ofd_lut.lut_lsd.lsd_osd_index))
+ osfs->os_bfree = osfs->os_bavail = 2;
+
+ EXIT;
+out:
+ return rc;
+}
+
+/* needed by echo client only for now, RPC handler uses ofd_setattr_hdl() */
+int ofd_echo_setattr(const struct lu_env *env, struct obd_export *exp,
+ struct obd_info *oinfo, struct obd_trans_info *oti)
+{
+ struct ofd_thread_info *info;
+ struct ofd_device *ofd = ofd_exp(exp);
+ struct ldlm_namespace *ns = ofd->ofd_namespace;
+ struct ldlm_resource *res;
+ struct ofd_object *fo;
+ struct obdo *oa = oinfo->oi_oa;
+ struct lu_fid *fid = &oa->o_oi.oi_fid;
+ struct filter_fid *ff = NULL;
+ int rc = 0;
+
+ ENTRY;
+
+ info = ofd_info_init(env, exp);
+
+ ost_fid_build_resid(fid, &info->fti_resid);
+
+ /* This would be very bad - accidentally truncating a file when
+ * changing the time or similar - bug 12203. */
+ if (oa->o_valid & OBD_MD_FLSIZE &&
+ oinfo->oi_policy.l_extent.end != OBD_OBJECT_EOF) {
+ static char mdsinum[48];
+
+ if (oa->o_valid & OBD_MD_FLFID)
+ snprintf(mdsinum, sizeof(mdsinum) - 1,
+ "of parent "DFID, oa->o_parent_seq,
+ oa->o_parent_oid, 0);
+ else
+ mdsinum[0] = '\0';
+
+ CERROR("%s: setattr from %s trying to truncate object "DFID
+ " %s\n", ofd_name(ofd), obd_export_nid2str(exp),
+ PFID(fid), mdsinum);
+ GOTO(out, rc = -EPERM);
+ }
+
+ fo = ofd_object_find_exists(env, ofd, fid);
+ if (IS_ERR(fo)) {
+ CERROR("%s: can't find object "DFID"\n",
+ ofd_name(ofd), PFID(fid));
+ GOTO(out, rc = PTR_ERR(fo));
+ }
+
+ la_from_obdo(&info->fti_attr, oa, oa->o_valid);
+ info->fti_attr.la_valid &= ~LA_TYPE;
+
+ if (oa->o_valid & OBD_MD_FLFID) {
+ ff = &info->fti_mds_fid;
+ ofd_prepare_fidea(ff, oa);
+ }
+
+ /* setting objects attributes (including owner/group) */
+ rc = ofd_attr_set(env, fo, &info->fti_attr, ff);
+ if (rc)
+ GOTO(out_unlock, rc);
+
+ ofd_counter_incr(exp, LPROC_OFD_STATS_SETATTR, NULL, 1);
EXIT;
+out_unlock:
+ ofd_object_put(env, fo);
out:
+ if (rc == 0) {
+ /* we do not call this before to avoid lu_object_find() in
+ * ->lvbo_update() holding another reference on the object.
+ * otherwise concurrent destroy can make the object unavailable
+ * for 2nd lu_object_find() waiting for the first reference
+ * to go... deadlock! */
+ res = ldlm_resource_get(ns, NULL, &info->fti_resid, LDLM_EXTENT, 0);
+ if (res != NULL) {
+ ldlm_res_lvbo_update(res, NULL, 0);
+ ldlm_resource_putref(res);
+ }
+ }
+
return rc;
}
-static int ofd_sync(const struct lu_env *env, struct obd_export *exp,
- struct obd_info *oinfo, obd_size start, obd_size end,
- struct ptlrpc_request_set *set)
+int ofd_destroy_by_fid(const struct lu_env *env, struct ofd_device *ofd,
+ const struct lu_fid *fid, int orphan)
+{
+ struct ofd_thread_info *info = ofd_info(env);
+ struct lustre_handle lockh;
+ __u64 flags = LDLM_FL_AST_DISCARD_DATA;
+ __u64 rc = 0;
+ ldlm_policy_data_t policy = {
+ .l_extent = { 0, OBD_OBJECT_EOF }
+ };
+ struct ofd_object *fo;
+
+ ENTRY;
+
+ fo = ofd_object_find_exists(env, ofd, fid);
+ if (IS_ERR(fo))
+ RETURN(PTR_ERR(fo));
+
+ /* Tell the clients that the object is gone now and that they should
+ * throw away any cached pages. */
+ ost_fid_build_resid(fid, &info->fti_resid);
+ rc = ldlm_cli_enqueue_local(ofd->ofd_namespace, &info->fti_resid,
+ LDLM_EXTENT, &policy, LCK_PW, &flags,
+ ldlm_blocking_ast, ldlm_completion_ast,
+ NULL, NULL, 0, LVB_T_NONE, NULL, &lockh);
+
+ /* We only care about the side-effects, just drop the lock. */
+ if (rc == ELDLM_OK)
+ ldlm_lock_decref(&lockh, LCK_PW);
+
+ LASSERT(fo != NULL);
+
+ rc = ofd_object_destroy(env, fo, orphan);
+ EXIT;
+
+ ofd_object_put(env, fo);
+ RETURN(rc);
+}
+
+/* needed by echo client only for now, RPC handler uses ofd_destroy_hdl() */
+int ofd_echo_destroy(const struct lu_env *env, struct obd_export *exp,
+ struct obdo *oa, struct lov_stripe_md *md,
+ struct obd_trans_info *oti, struct obd_export *md_exp,
+ void *capa)
{
struct ofd_device *ofd = ofd_exp(exp);
+ struct lu_fid *fid = &oa->o_oi.oi_fid;
int rc = 0;
ENTRY;
- /* if no objid is specified, it means "sync whole filesystem" */
- if (oinfo->oi_oa == NULL || !(oinfo->oi_oa->o_valid & OBD_MD_FLID)) {
- rc = dt_sync(env, ofd->ofd_osd);
+ ofd_info_init(env, exp);
+
+ CDEBUG(D_HA, "%s: Destroy object "DFID"\n", ofd_name(ofd), PFID(fid));
+
+ rc = ofd_destroy_by_fid(env, ofd, fid, 0);
+ if (rc == -ENOENT) {
+ CDEBUG(D_INODE, "%s: destroying non-existent object "DFID"\n",
+ ofd_name(ofd), PFID(fid));
+ GOTO(out, rc);
+ } else if (rc != 0) {
+ CERROR("%s: error destroying object "DFID": %d\n",
+ ofd_name(ofd), PFID(fid), rc);
GOTO(out, rc);
}
+ EXIT;
+out:
+ return rc;
+}
+
+/* needed by echo client only for now, RPC handler uses ofd_create_hdl()
+ * It is much simpler and just create objects */
+int ofd_echo_create(const struct lu_env *env, struct obd_export *exp,
+ struct obdo *oa, struct lov_stripe_md **ea,
+ struct obd_trans_info *oti)
+{
+ struct ofd_device *ofd = ofd_exp(exp);
+ struct ofd_thread_info *info;
+ obd_seq seq = ostid_seq(&oa->o_oi);
+ struct ofd_seq *oseq;
+ int rc = 0, diff = 1;
+ obd_id next_id;
+ int count;
+
+ ENTRY;
+
+ info = ofd_info_init(env, exp);
+
+ LASSERT(seq == FID_SEQ_ECHO);
+ LASSERT(oa->o_valid & OBD_MD_FLGROUP);
+
+ CDEBUG(D_INFO, "ofd_create("DOSTID")\n", POSTID(&oa->o_oi));
+
+ down_read(&ofd->ofd_lastid_rwsem);
+ /* Currently, for safe, we do not distinguish which LAST_ID is broken,
+ * we may do that in the future.
+ * Return -ENOSPC until the LAST_ID rebuilt. */
+ if (unlikely(ofd->ofd_lastid_rebuilding))
+ GOTO(out_sem, rc = -ENOSPC);
+
+ oseq = ofd_seq_load(env, ofd, seq);
+ if (IS_ERR(oseq)) {
+ CERROR("%s: Can't find FID Sequence "LPX64": rc = %ld\n",
+ ofd_name(ofd), seq, PTR_ERR(oseq));
+ GOTO(out_sem, rc = -EINVAL);
+ }
+
+ mutex_lock(&oseq->os_create_lock);
+ rc = ofd_grant_create(env, ofd_obd(ofd)->obd_self_export, &diff);
+ if (rc < 0) {
+ CDEBUG(D_HA, "%s: failed to acquire grant space for "
+ "precreate (%d): rc = %d\n", ofd_name(ofd), diff, rc);
+ diff = 0;
+ GOTO(out, rc);
+ }
+
+ next_id = ofd_seq_last_oid(oseq) + 1;
+ count = ofd_precreate_batch(ofd, diff);
+
+ rc = ofd_precreate_objects(env, ofd, next_id, oseq, count, 0);
+ if (rc < 0) {
+ CERROR("%s: unable to precreate: rc = %d\n",
+ ofd_name(ofd), rc);
+ } else {
+ ostid_set_id(&oa->o_oi, ofd_seq_last_oid(oseq));
+ oa->o_valid |= OBD_MD_FLID | OBD_MD_FLGROUP;
+ rc = 0;
+ }
+
+ ofd_grant_commit(env, ofd_obd(ofd)->obd_self_export, rc);
+out:
+ mutex_unlock(&oseq->os_create_lock);
+ if (rc == 0 && ea != NULL) {
+ struct lov_stripe_md *lsm = *ea;
+
+ lsm->lsm_oi = oa->o_oi;
+ }
+ ofd_seq_put(env, oseq);
+
+out_sem:
+ up_read(&ofd->ofd_lastid_rwsem);
+ RETURN(rc);
+}
+
+/* needed by echo client only for now, RPC handler uses ofd_getattr_hdl() */
+int ofd_echo_getattr(const struct lu_env *env, struct obd_export *exp,
+ struct obd_info *oinfo)
+{
+ struct ofd_device *ofd = ofd_exp(exp);
+ struct ofd_thread_info *info;
+ struct lu_fid *fid = &oinfo->oi_oa->o_oi.oi_fid;
+ struct ofd_object *fo;
+ int rc = 0;
+
+ ENTRY;
+
+ info = ofd_info_init(env, exp);
+
+ fo = ofd_object_find_exists(env, ofd, fid);
+ if (IS_ERR(fo))
+ GOTO(out, rc = PTR_ERR(fo));
+
+ LASSERT(fo != NULL);
+ rc = ofd_attr_get(env, fo, &info->fti_attr);
+ oinfo->oi_oa->o_valid = OBD_MD_FLID;
+ if (rc == 0) {
+ __u64 curr_version;
+
+ obdo_from_la(oinfo->oi_oa, &info->fti_attr,
+ OFD_VALID_FLAGS | LA_UID | LA_GID);
+
+ /* Store object version in reply */
+ curr_version = dt_version_get(env, ofd_object_child(fo));
+ if ((__s64)curr_version != -EOPNOTSUPP) {
+ oinfo->oi_oa->o_valid |= OBD_MD_FLDATAVERSION;
+ oinfo->oi_oa->o_data_version = curr_version;
+ }
+ }
+
+ ofd_object_put(env, fo);
+out:
+ RETURN(rc);
+}
+
+static int ofd_ioc_get_obj_version(const struct lu_env *env,
+ struct ofd_device *ofd, void *karg)
+{
+ struct obd_ioctl_data *data = karg;
+ struct lu_fid fid;
+ struct ofd_object *fo;
+ dt_obj_version_t version;
+ int rc = 0;
+
+ ENTRY;
+
+ if (data->ioc_inlbuf2 == NULL || data->ioc_inllen2 != sizeof(version))
+ GOTO(out, rc = -EINVAL);
+
+ if (data->ioc_inlbuf1 != NULL && data->ioc_inllen1 == sizeof(fid)) {
+ fid = *(struct lu_fid *)data->ioc_inlbuf1;
+ } else if (data->ioc_inlbuf3 != NULL &&
+ data->ioc_inllen3 == sizeof(__u64) &&
+ data->ioc_inlbuf4 != NULL &&
+ data->ioc_inllen4 == sizeof(__u64)) {
+ struct ost_id ostid;
+
+ ostid_set_seq(&ostid, *(__u64 *)data->ioc_inlbuf4);
+ ostid_set_id(&ostid, *(__u64 *)data->ioc_inlbuf3);
+ rc = ostid_to_fid(&fid, &ostid,
+ ofd->ofd_lut.lut_lsd.lsd_osd_index);
+ if (rc != 0)
+ GOTO(out, rc);
+ } else {
+ GOTO(out, rc = -EINVAL);
+ }
+
+ if (!fid_is_sane(&fid))
+ GOTO(out, rc = -EINVAL);
+
+ fo = ofd_object_find(env, ofd, &fid);
+ if (IS_ERR(fo))
+ GOTO(out, rc = PTR_ERR(fo));
+
+ if (!ofd_object_exists(fo))
+ GOTO(out_fo, rc = -ENOENT);
+
+ if (lu_object_remote(&fo->ofo_obj.do_lu))
+ GOTO(out_fo, rc = -EREMOTE);
+
+ version = dt_version_get(env, ofd_object_child(fo));
+ if (version == 0)
+ GOTO(out_fo, rc = -EIO);
+
+ *(dt_obj_version_t *)data->ioc_inlbuf2 = version;
EXIT;
+out_fo:
+ ofd_object_put(env, fo);
out:
return rc;
}
ENTRY;
CDEBUG(D_IOCTL, "handling ioctl cmd %#x\n", cmd);
- rc = lu_env_init(&env, LCT_LOCAL);
+ rc = lu_env_init(&env, LCT_DT_THREAD);
if (rc)
RETURN(rc);
switch (cmd) {
case OBD_IOC_ABORT_RECOVERY:
- CERROR("aborting recovery for device %s\n", obd->obd_name);
+ CERROR("%s: aborting recovery\n", obd->obd_name);
target_stop_recovery_thread(obd);
break;
case OBD_IOC_SYNC:
if (rc == 0)
rc = dt_ro(&env, ofd->ofd_osd);
break;
+ case OBD_IOC_START_LFSCK: {
+ struct obd_ioctl_data *data = karg;
+ struct lfsck_start_param lsp;
+
+ if (unlikely(data == NULL)) {
+ rc = -EINVAL;
+ break;
+ }
+
+ lsp.lsp_start = (struct lfsck_start *)(data->ioc_inlbuf1);
+ lsp.lsp_index_valid = 0;
+ rc = lfsck_start(&env, ofd->ofd_osd, &lsp);
+ break;
+ }
+ case OBD_IOC_STOP_LFSCK: {
+ struct obd_ioctl_data *data = karg;
+ struct lfsck_stop stop;
+
+ stop.ls_status = LS_STOPPED;
+ /* Old lfsck utils may pass NULL @stop. */
+ if (data->ioc_inlbuf1 == NULL)
+ stop.ls_flags = 0;
+ else
+ stop.ls_flags =
+ ((struct lfsck_stop *)(data->ioc_inlbuf1))->ls_flags;
+
+ rc = lfsck_stop(&env, ofd->ofd_osd, &stop);
+ break;
+ }
+ case OBD_IOC_GET_OBJ_VERSION:
+ rc = ofd_ioc_get_obj_version(&env, ofd, karg);
+ break;
default:
- CERROR("Not supported cmd = %d for device %s\n",
- cmd, obd->obd_name);
+ CERROR("%s: not supported cmd = %d\n", obd->obd_name, cmd);
rc = -ENOTTY;
}
static int ofd_ping(const struct lu_env *env, struct obd_export *exp)
{
+ ofd_fmd_expire(exp);
return 0;
}
-static int ofd_health_check(const struct lu_env *env, struct obd_device *obd)
+static int ofd_health_check(const struct lu_env *nul, struct obd_device *obd)
{
struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
struct ofd_thread_info *info;
+ struct lu_env env;
#ifdef USE_HEALTH_CHECK_WRITE
struct thandle *th;
#endif
int rc = 0;
- info = ofd_info_init(env, NULL);
- rc = dt_statfs(env, ofd->ofd_osd, &info->fti_u.osfs);
+ /* obd_proc_read_health pass NULL env, we need real one */
+ rc = lu_env_init(&env, LCT_DT_THREAD);
+ if (rc)
+ RETURN(rc);
+
+ info = ofd_info_init(&env, NULL);
+ rc = dt_statfs(&env, ofd->ofd_osd, &info->fti_u.osfs);
if (unlikely(rc))
GOTO(out, rc);
GOTO(out, rc = -EROFS);
#ifdef USE_HEALTH_CHECK_WRITE
- OBD_ALLOC(info->fti_buf.lb_buf, CFS_PAGE_SIZE);
+ OBD_ALLOC(info->fti_buf.lb_buf, PAGE_CACHE_SIZE);
if (info->fti_buf.lb_buf == NULL)
GOTO(out, rc = -ENOMEM);
- info->fti_buf.lb_len = CFS_PAGE_SIZE;
+ info->fti_buf.lb_len = PAGE_CACHE_SIZE;
info->fti_off = 0;
- th = dt_trans_create(env, ofd->ofd_osd);
+ th = dt_trans_create(&env, ofd->ofd_osd);
if (IS_ERR(th))
GOTO(out, rc = PTR_ERR(th));
- rc = dt_declare_record_write(env, ofd->ofd_health_check_file,
- info->fti_buf.lb_len, info->fti_off, th);
+ rc = dt_declare_record_write(&env, ofd->ofd_health_check_file,
+ &info->fti_buf, info->fti_off, th);
if (rc == 0) {
th->th_sync = 1; /* sync IO is needed */
- rc = dt_trans_start_local(env, ofd->ofd_osd, th);
+ rc = dt_trans_start_local(&env, ofd->ofd_osd, th);
if (rc == 0)
- rc = dt_record_write(env, ofd->ofd_health_check_file,
+ rc = dt_record_write(&env, ofd->ofd_health_check_file,
&info->fti_buf, &info->fti_off,
th);
}
- dt_trans_stop(env, ofd->ofd_osd, th);
+ dt_trans_stop(&env, ofd->ofd_osd, th);
- OBD_FREE(info->fti_buf.lb_buf, CFS_PAGE_SIZE);
+ OBD_FREE(info->fti_buf.lb_buf, PAGE_CACHE_SIZE);
CDEBUG(D_INFO, "write 1 page synchronously for checking io rc %d\n",rc);
#endif
out:
+ lu_env_fini(&env);
return !!rc;
}
-static int ofd_obd_notify(struct obd_device *obd, struct obd_device *unused,
- enum obd_notify_event ev, void *data)
+/*
+ * Handle quota control requests to consult current usage/limit.
+ *
+ * \param obd - is the obd device associated with the ofd
+ * \param exp - is the client's export
+ * \param oqctl - is the obd_quotactl request to be processed
+ */
+static int ofd_quotactl(struct obd_device *obd, struct obd_export *exp,
+ struct obd_quotactl *oqctl)
{
- switch (ev) {
- case OBD_NOTIFY_CONFIG:
- LASSERT(obd->obd_no_conn);
- cfs_spin_lock(&obd->obd_dev_lock);
- obd->obd_no_conn = 0;
- cfs_spin_unlock(&obd->obd_dev_lock);
- break;
- default:
- CDEBUG(D_INFO, "%s: Unhandled notification %#x\n",
- obd->obd_name, ev);
- }
- return 0;
+ struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+ struct lu_env env;
+ int rc;
+ ENTRY;
+
+ /* report success for quota on/off for interoperability with current MDT
+ * stack */
+ if (oqctl->qc_cmd == Q_QUOTAON || oqctl->qc_cmd == Q_QUOTAOFF)
+ RETURN(0);
+
+ rc = lu_env_init(&env, LCT_DT_THREAD);
+ if (rc)
+ RETURN(rc);
+
+ rc = lquotactl_slv(&env, ofd->ofd_osd, oqctl);
+ lu_env_fini(&env);
+
+ RETURN(rc);
}
struct obd_ops ofd_obd_ops = {
.o_connect = ofd_obd_connect,
.o_reconnect = ofd_obd_reconnect,
.o_disconnect = ofd_obd_disconnect,
- .o_set_info_async = ofd_set_info_async,
- .o_get_info = ofd_get_info,
+ .o_create = ofd_echo_create,
.o_statfs = ofd_statfs,
+ .o_setattr = ofd_echo_setattr,
+ .o_preprw = ofd_preprw,
+ .o_commitrw = ofd_commitrw,
+ .o_destroy = ofd_echo_destroy,
.o_init_export = ofd_init_export,
.o_destroy_export = ofd_destroy_export,
.o_postrecov = ofd_obd_postrecov,
- .o_sync = ofd_sync,
+ .o_getattr = ofd_echo_getattr,
.o_iocontrol = ofd_iocontrol,
.o_precleanup = ofd_precleanup,
.o_ping = ofd_ping,
.o_health_check = ofd_health_check,
- .o_notify = ofd_obd_notify,
+ .o_quotactl = ofd_quotactl,
+ .o_set_info_async = ofd_set_info_async,
+ .o_get_info = ofd_get_info,
};
git://git.whamcloud.com / fs / lustre-release.git / blobdiff