#include <uapi/linux/lustre/lustre_param.h>
#include <lustre_quota.h>
#include <lustre_swab.h>
+#include <lustre_lmv.h>
#include <obd.h>
#include <obd_support.h>
#include <lustre_barrier.h>
RETURN(rc);
}
+__u32 mdt_lmm_dom_entry_check(struct lov_mds_md *lmm, int *is_dom_only)
+{
+ struct lov_comp_md_v1 *comp_v1;
+ struct lov_mds_md *v1;
+ __u32 off;
+ __u32 dom_stripesize = 0;
+ int i;
+ bool has_ost_stripes = false;
+
+ ENTRY;
+
+ if (is_dom_only)
+ *is_dom_only = 0;
+
+ if (le32_to_cpu(lmm->lmm_magic) != LOV_MAGIC_COMP_V1)
+ RETURN(0);
+
+ comp_v1 = (struct lov_comp_md_v1 *)lmm;
+ off = le32_to_cpu(comp_v1->lcm_entries[0].lcme_offset);
+ v1 = (struct lov_mds_md *)((char *)comp_v1 + off);
+
+ /* Fast check for DoM entry with no mirroring, should be the first */
+ if (le16_to_cpu(comp_v1->lcm_mirror_count) == 0 &&
+ lov_pattern(le32_to_cpu(v1->lmm_pattern)) != LOV_PATTERN_MDT)
+ RETURN(0);
+
+ /* check all entries otherwise */
+ for (i = 0; i < le16_to_cpu(comp_v1->lcm_entry_count); i++) {
+ struct lov_comp_md_entry_v1 *lcme;
+
+ lcme = &comp_v1->lcm_entries[i];
+ if (!(le32_to_cpu(lcme->lcme_flags) & LCME_FL_INIT))
+ continue;
+
+ off = le32_to_cpu(lcme->lcme_offset);
+ v1 = (struct lov_mds_md *)((char *)comp_v1 + off);
+
+ if (lov_pattern(le32_to_cpu(v1->lmm_pattern)) ==
+ LOV_PATTERN_MDT)
+ dom_stripesize = le32_to_cpu(v1->lmm_stripe_size);
+ else
+ has_ost_stripes = true;
+
+ if (dom_stripesize && has_ost_stripes)
+ RETURN(dom_stripesize);
+ }
+ /* DoM-only case exits here */
+ if (is_dom_only && dom_stripesize)
+ *is_dom_only = 1;
+ RETURN(dom_stripesize);
+}
+
/**
* Pack size attributes into the reply.
*/
{
struct mdt_body *b;
struct md_attr *ma = &info->mti_attr;
- int dom_stripe;
+ __u32 dom_stripe;
bool dom_lock = false;
ENTRY;
!(ma->ma_valid & MA_LOV && ma->ma_lmm != NULL))
RETURN(-ENODATA);
- dom_stripe = mdt_lmm_dom_entry(ma->ma_lmm);
+ dom_stripe = mdt_lmm_dom_stripesize(ma->ma_lmm);
/* no DoM stripe, no size in reply */
- if (dom_stripe == LMM_NO_DOM)
+ if (!dom_stripe)
RETURN(-ENOENT);
if (lustre_handle_is_used(lh)) {
b->mbo_ctime = attr->la_ctime;
b->mbo_valid |= OBD_MD_FLCTIME;
}
+ if (attr->la_valid & LA_BTIME) {
+ b->mbo_btime = attr->la_btime;
+ b->mbo_valid |= OBD_MD_FLBTIME;
+ }
if (attr->la_valid & LA_FLAGS) {
b->mbo_flags = attr->la_flags;
b->mbo_valid |= OBD_MD_FLFLAGS;
RETURN(rc);
}
-int mdt_stripe_get(struct mdt_thread_info *info, struct mdt_object *o,
- struct md_attr *ma, const char *name)
+int __mdt_stripe_get(struct mdt_thread_info *info, struct mdt_object *o,
+ struct md_attr *ma, const char *name)
{
struct md_object *next = mdt_object_child(o);
struct lu_buf *buf = &info->mti_buf;
return rc;
}
+int mdt_stripe_get(struct mdt_thread_info *info, struct mdt_object *o,
+ struct md_attr *ma, const char *name)
+{
+ int rc;
+
+ if (!info->mti_big_lmm) {
+ OBD_ALLOC(info->mti_big_lmm, PAGE_SIZE);
+ if (!info->mti_big_lmm)
+ return -ENOMEM;
+ info->mti_big_lmmsize = PAGE_SIZE;
+ }
+
+ if (strcmp(name, XATTR_NAME_LOV) == 0) {
+ ma->ma_lmm = info->mti_big_lmm;
+ ma->ma_lmm_size = info->mti_big_lmmsize;
+ ma->ma_valid &= ~MA_LOV;
+ } else if (strcmp(name, XATTR_NAME_LMV) == 0) {
+ ma->ma_lmv = info->mti_big_lmm;
+ ma->ma_lmv_size = info->mti_big_lmmsize;
+ ma->ma_valid &= ~MA_LMV;
+ } else {
+ LBUG();
+ }
+
+ LASSERT(!info->mti_big_lmm_used);
+ rc = __mdt_stripe_get(info, o, ma, name);
+ /* since big_lmm is always used here, clear 'used' flag to avoid
+ * assertion in mdt_big_xattr_get().
+ */
+ info->mti_big_lmm_used = 0;
+
+ return rc;
+}
+
int mdt_attr_get_pfid(struct mdt_thread_info *info, struct mdt_object *o,
struct lu_fid *pfid)
{
RETURN(0);
}
+int mdt_attr_get_pfid_name(struct mdt_thread_info *info, struct mdt_object *o,
+ struct lu_fid *pfid, struct lu_name *lname)
+{
+ struct lu_buf *buf = &info->mti_buf;
+ struct link_ea_header *leh;
+ struct link_ea_entry *lee;
+ int reclen;
+ int rc;
+
+ buf->lb_buf = info->mti_xattr_buf;
+ buf->lb_len = sizeof(info->mti_xattr_buf);
+ rc = mo_xattr_get(info->mti_env, mdt_object_child(o), buf,
+ XATTR_NAME_LINK);
+ if (rc == -ERANGE) {
+ rc = mdt_big_xattr_get(info, o, XATTR_NAME_LINK);
+ buf->lb_buf = info->mti_big_lmm;
+ buf->lb_len = info->mti_big_lmmsize;
+ }
+ if (rc < 0)
+ return rc;
+
+ if (rc < sizeof(*leh)) {
+ CERROR("short LinkEA on "DFID": rc = %d\n",
+ PFID(mdt_object_fid(o)), rc);
+ return -ENODATA;
+ }
+
+ leh = (struct link_ea_header *)buf->lb_buf;
+ lee = (struct link_ea_entry *)(leh + 1);
+ if (leh->leh_magic == __swab32(LINK_EA_MAGIC)) {
+ leh->leh_magic = LINK_EA_MAGIC;
+ leh->leh_reccount = __swab32(leh->leh_reccount);
+ leh->leh_len = __swab64(leh->leh_len);
+ }
+ if (leh->leh_magic != LINK_EA_MAGIC)
+ return -EINVAL;
+
+ if (leh->leh_reccount == 0)
+ return -ENODATA;
+
+ linkea_entry_unpack(lee, &reclen, lname, pfid);
+
+ return 0;
+}
+
int mdt_attr_get_complex(struct mdt_thread_info *info,
struct mdt_object *o, struct md_attr *ma)
{
}
if (need & MA_LOV && (S_ISREG(mode) || S_ISDIR(mode))) {
- rc = mdt_stripe_get(info, o, ma, XATTR_NAME_LOV);
+ rc = __mdt_stripe_get(info, o, ma, XATTR_NAME_LOV);
if (rc)
GOTO(out, rc);
}
if (need & MA_LMV && S_ISDIR(mode)) {
- rc = mdt_stripe_get(info, o, ma, XATTR_NAME_LMV);
+ rc = __mdt_stripe_get(info, o, ma, XATTR_NAME_LMV);
if (rc != 0)
GOTO(out, rc);
}
if (need & MA_LMV_DEF && S_ISDIR(mode)) {
- rc = mdt_stripe_get(info, o, ma, XATTR_NAME_DEFAULT_LMV);
+ rc = __mdt_stripe_get(info, o, ma, XATTR_NAME_DEFAULT_LMV);
if (rc != 0)
GOTO(out, rc);
}
}
static int mdt_getattr_internal(struct mdt_thread_info *info,
- struct mdt_object *o, int ma_need)
+ struct mdt_object *o, int ma_need)
{
- struct md_object *next = mdt_object_child(o);
- const struct mdt_body *reqbody = info->mti_body;
- struct ptlrpc_request *req = mdt_info_req(info);
- struct md_attr *ma = &info->mti_attr;
- struct lu_attr *la = &ma->ma_attr;
- struct req_capsule *pill = info->mti_pill;
- const struct lu_env *env = info->mti_env;
- struct mdt_body *repbody;
- struct lu_buf *buffer = &info->mti_buf;
- struct obd_export *exp = info->mti_exp;
- int rc;
+ struct mdt_device *mdt = info->mti_mdt;
+ struct md_object *next = mdt_object_child(o);
+ const struct mdt_body *reqbody = info->mti_body;
+ struct ptlrpc_request *req = mdt_info_req(info);
+ struct md_attr *ma = &info->mti_attr;
+ struct lu_attr *la = &ma->ma_attr;
+ struct req_capsule *pill = info->mti_pill;
+ const struct lu_env *env = info->mti_env;
+ struct mdt_body *repbody;
+ struct lu_buf *buffer = &info->mti_buf;
+ struct obd_export *exp = info->mti_exp;
+ int rc;
+
ENTRY;
if (OBD_FAIL_CHECK(OBD_FAIL_MDS_GETATTR_PACK))
}
}
- if (S_ISDIR(lu_object_attr(&next->mo_lu)) &&
+ if (S_ISDIR(lu_object_attr(&next->mo_lu)) &&
reqbody->mbo_valid & OBD_MD_FLDIREA &&
- lustre_msg_get_opc(req->rq_reqmsg) == MDS_GETATTR) {
- /* get default stripe info for this dir. */
- ma->ma_need |= MA_LOV_DEF;
- }
- ma->ma_need |= ma_need;
+ lustre_msg_get_opc(req->rq_reqmsg) == MDS_GETATTR) {
+ /* get default stripe info for this dir. */
+ ma->ma_need |= MA_LOV_DEF;
+ }
+ ma->ma_need |= ma_need;
rc = mdt_attr_get_complex(info, o, ma);
if (unlikely(rc)) {
repbody->mbo_t_state = MS_RESTORE;
}
- if (likely(ma->ma_valid & MA_INODE))
- mdt_pack_attr2body(info, repbody, la, mdt_object_fid(o));
- else
- RETURN(-EFAULT);
+ if (unlikely(!(ma->ma_valid & MA_INODE)))
+ RETURN(-EFAULT);
+
+ mdt_pack_attr2body(info, repbody, la, mdt_object_fid(o));
+
+ if (mdt_body_has_lov(la, reqbody)) {
+ u32 stripe_count = 1;
- if (mdt_body_has_lov(la, reqbody)) {
- if (ma->ma_valid & MA_LOV) {
- LASSERT(ma->ma_lmm_size);
+ if (ma->ma_valid & MA_LOV) {
+ LASSERT(ma->ma_lmm_size);
repbody->mbo_eadatasize = ma->ma_lmm_size;
if (S_ISDIR(la->la_mode))
repbody->mbo_valid |= OBD_MD_FLDIREA;
else
repbody->mbo_valid |= OBD_MD_FLEASIZE;
mdt_dump_lmm(D_INFO, ma->ma_lmm, repbody->mbo_valid);
- }
+ }
if (ma->ma_valid & MA_LMV) {
+ struct lmv_mds_md_v1 *lmv = &ma->ma_lmv->lmv_md_v1;
+ u32 magic = le32_to_cpu(lmv->lmv_magic);
+
/* Return -ENOTSUPP for old client */
if (!mdt_is_striped_client(req->rq_export))
RETURN(-ENOTSUPP);
mdt_dump_lmv(D_INFO, ma->ma_lmv);
repbody->mbo_eadatasize = ma->ma_lmv_size;
repbody->mbo_valid |= (OBD_MD_FLDIREA|OBD_MD_MEA);
+
+ stripe_count = le32_to_cpu(lmv->lmv_stripe_count);
+ if (magic == LMV_MAGIC_STRIPE && lmv_is_restriping(lmv))
+ mdt_restripe_migrate_add(info, o);
+ else if (magic == LMV_MAGIC_V1 &&
+ lmv_is_restriping(lmv))
+ mdt_restripe_update_add(info, o);
}
if (ma->ma_valid & MA_LMV_DEF) {
/* Return -ENOTSUPP for old client */
repbody->mbo_valid |= (OBD_MD_FLDIREA |
OBD_MD_DEFAULT_MEA);
}
+ CDEBUG(D_VFSTRACE,
+ "dirent count %llu stripe count %u MDT count %d\n",
+ ma->ma_attr.la_dirent_count, stripe_count,
+ atomic_read(&mdt->mdt_mds_mds_conns) + 1);
+ if (ma->ma_attr.la_dirent_count != LU_DIRENT_COUNT_UNSET &&
+ ma->ma_attr.la_dirent_count >
+ mdt->mdt_restriper.mdr_dir_split_count &&
+ !fid_is_root(mdt_object_fid(o)) &&
+ mdt->mdt_enable_dir_auto_split &&
+ !o->mot_restriping &&
+ stripe_count < atomic_read(&mdt->mdt_mds_mds_conns) + 1)
+ mdt_auto_split_add(info, o);
} else if (S_ISLNK(la->la_mode) &&
reqbody->mbo_valid & OBD_MD_LINKNAME) {
buffer->lb_buf = ma->ma_lmm;
print_limit < rc ? "..." : "", print_limit,
(char *)ma->ma_lmm + rc - print_limit, rc);
rc = 0;
- }
- }
+ }
+ }
if (reqbody->mbo_valid & OBD_MD_FLMODEASIZE) {
repbody->mbo_max_mdsize = info->mti_mdt->mdt_max_mdsize;
#endif
out:
- if (rc == 0)
+ if (rc == 0)
mdt_counter_incr(req, LPROC_MDT_GETATTR);
- RETURN(rc);
+ RETURN(rc);
}
static int mdt_getattr(struct tgt_session_info *tsi)
__swab32s(&cs->cs_id);
}
+ if (!mdt_is_rootadmin(tsi2mdt_info(tsi)))
+ RETURN(-EACCES);
rc = mdt_iocontrol(OBD_IOC_CHANGELOG_CLEAR, req->rq_export,
vallen, val, NULL);
} else if (KEY_IS(KEY_EVICT_BY_NID)) {
exp_max_brw_size(tsi->tsi_exp));
rdpg->rp_npages = (rdpg->rp_count + PAGE_SIZE - 1) >>
PAGE_SHIFT;
- OBD_ALLOC(rdpg->rp_pages, rdpg->rp_npages * sizeof rdpg->rp_pages[0]);
- if (rdpg->rp_pages == NULL)
- RETURN(-ENOMEM);
+ OBD_ALLOC_PTR_ARRAY(rdpg->rp_pages, rdpg->rp_npages);
+ if (rdpg->rp_pages == NULL)
+ RETURN(-ENOMEM);
- for (i = 0; i < rdpg->rp_npages; ++i) {
+ for (i = 0; i < rdpg->rp_npages; ++i) {
rdpg->rp_pages[i] = alloc_page(GFP_NOFS);
- if (rdpg->rp_pages[i] == NULL)
- GOTO(free_rdpg, rc = -ENOMEM);
- }
+ if (rdpg->rp_pages[i] == NULL)
+ GOTO(free_rdpg, rc = -ENOMEM);
+ }
- /* call lower layers to fill allocated pages with directory data */
+ /* call lower layers to fill allocated pages with directory data */
rc = mo_readpage(tsi->tsi_env, mdt_object_child(object), rdpg);
if (rc < 0)
GOTO(free_rdpg, rc);
for (i = 0; i < rdpg->rp_npages; i++)
if (rdpg->rp_pages[i] != NULL)
__free_page(rdpg->rp_pages[i]);
- OBD_FREE(rdpg->rp_pages, rdpg->rp_npages * sizeof rdpg->rp_pages[0]);
+ OBD_FREE_PTR_ARRAY(rdpg->rp_pages, rdpg->rp_npages);
if (OBD_FAIL_CHECK(OBD_FAIL_MDS_SENDPAGE))
RETURN(0);
/*
* Data-on-MDT optimization - read data along with OPEN and return it
- * in reply. Do that only if we have both DOM and LAYOUT locks.
+ * in reply when possible.
*/
- if (rc == 0 && op == REINT_OPEN && !req_is_replay(pill->rc_req) &&
- info->mti_attr.ma_lmm != NULL &&
- mdt_lmm_dom_entry(info->mti_attr.ma_lmm) == LMM_DOM_ONLY) {
+ if (rc == 0 && op == REINT_OPEN && !req_is_replay(pill->rc_req))
rc = mdt_dom_read_on_open(info, info->mti_mdt,
&lhc->mlh_reg_lh);
- }
return rc;
}
*/
static int mdt_quotactl(struct tgt_session_info *tsi)
{
- struct obd_export *exp = tsi->tsi_exp;
- struct req_capsule *pill = tsi->tsi_pill;
- struct obd_quotactl *oqctl, *repoqc;
- int id, rc;
- struct mdt_device *mdt = mdt_exp2dev(exp);
- struct lu_device *qmt = mdt->mdt_qmt_dev;
- struct lu_nodemap *nodemap;
+ struct obd_export *exp = tsi->tsi_exp;
+ struct req_capsule *pill = tsi->tsi_pill;
+ struct obd_quotactl *oqctl, *repoqc;
+ int id, rc;
+ struct mdt_device *mdt = mdt_exp2dev(exp);
+ struct lu_device *qmt = mdt->mdt_qmt_dev;
+ struct lu_nodemap *nodemap;
ENTRY;
oqctl = req_capsule_client_get(pill, &RMF_OBD_QUOTACTL);
- if (oqctl == NULL)
+ if (!oqctl)
RETURN(err_serious(-EPROTO));
rc = req_capsule_server_pack(pill);
case Q_SETINFO:
case Q_SETQUOTA:
case LUSTRE_Q_SETDEFAULT:
+ case LUSTRE_Q_SETQUOTAPOOL:
+ case LUSTRE_Q_SETINFOPOOL:
if (!nodemap_can_setquota(nodemap))
GOTO(out_nodemap, rc = -EPERM);
/* fallthrough */
case Q_GETINFO:
case Q_GETQUOTA:
case LUSTRE_Q_GETDEFAULT:
+ case LUSTRE_Q_GETQUOTAPOOL:
+ case LUSTRE_Q_GETINFOPOOL:
if (qmt == NULL)
GOTO(out_nodemap, rc = -EOPNOTSUPP);
/* slave quotactl */
case Q_GETOQUOTA:
break;
default:
- CERROR("Unsupported quotactl command: %d\n", oqctl->qc_cmd);
- GOTO(out_nodemap, rc = -EFAULT);
+ rc = -EFAULT;
+ CERROR("%s: unsupported quotactl command %d: rc = %d\n",
+ mdt_obd_name(mdt), oqctl->qc_cmd, rc);
+ GOTO(out_nodemap, rc);
}
id = oqctl->qc_id;
case Q_GETQUOTA:
case LUSTRE_Q_SETDEFAULT:
case LUSTRE_Q_GETDEFAULT:
+ case LUSTRE_Q_SETQUOTAPOOL:
+ case LUSTRE_Q_GETQUOTAPOOL:
+ case LUSTRE_Q_SETINFOPOOL:
+ case LUSTRE_Q_GETINFOPOOL:
/* forward quotactl request to QMT */
rc = qmt_hdls.qmth_quotactl(tsi->tsi_env, qmt, oqctl);
break;
if (oqctl->qc_id != id)
swap(oqctl->qc_id, id);
- *repoqc = *oqctl;
-
+ QCTL_COPY(repoqc, oqctl);
EXIT;
out_nodemap:
if (lustre_handle_is_used(h)) {
struct ldlm_lock *lock = ldlm_handle2lock(h);
+ struct ptlrpc_request *req = mdt_info_req(info);
if (o != NULL &&
(lock->l_policy_data.l_inodebits.bits &
(MDS_INODELOCK_XATTR | MDS_INODELOCK_UPDATE)))
mo_invalidate(info->mti_env, mdt_object_child(o));
- if (decref || !info->mti_has_trans ||
+ if (decref || !info->mti_has_trans || !req ||
!(mode & (LCK_PW | LCK_EX))) {
ldlm_lock_decref_and_cancel(h, mode);
LDLM_LOCK_PUT(lock);
} else {
- struct ptlrpc_request *req = mdt_info_req(info);
-
- LASSERT(req != NULL);
tgt_save_slc_lock(&info->mti_mdt->mdt_lut, lock,
req->rq_transno);
ldlm_lock_decref(h, mode);
return rc;
}
+static int mdt_llog_open(struct tgt_session_info *tsi)
+{
+ ENTRY;
+
+ if (!mdt_is_rootadmin(tsi2mdt_info(tsi)))
+ RETURN(err_serious(-EACCES));
+
+ RETURN(tgt_llog_open(tsi));
+}
+
#define OBD_FAIL_OST_READ_NET OBD_FAIL_OST_BRW_NET
#define OBD_FAIL_OST_WRITE_NET OBD_FAIL_OST_BRW_NET
#define OST_BRW_READ OST_READ
&RQF_MDS_DISCONNECT, LUSTRE_OBD_VERSION),
TGT_RPC_HANDLER(MDS_FIRST_OPC,
HAS_REPLY, MDS_SET_INFO, mdt_set_info,
- &RQF_OBD_SET_INFO, LUSTRE_MDS_VERSION),
+ &RQF_MDT_SET_INFO, LUSTRE_MDS_VERSION),
TGT_MDT_HDL(0, MDS_GET_INFO, mdt_get_info),
TGT_MDT_HDL(HAS_REPLY, MDS_GET_ROOT, mdt_get_root),
TGT_MDT_HDL(HAS_BODY, MDS_GETATTR, mdt_getattr),
TGT_QUOTA_HDL(HAS_REPLY, QUOTA_DQACQ, mdt_quota_dqacq),
};
+static struct tgt_handler mdt_llog_handlers[] = {
+ TGT_LLOG_HDL(0, LLOG_ORIGIN_HANDLE_CREATE, mdt_llog_open),
+ TGT_LLOG_HDL(0, LLOG_ORIGIN_HANDLE_NEXT_BLOCK, tgt_llog_next_block),
+ TGT_LLOG_HDL(0, LLOG_ORIGIN_HANDLE_READ_HEADER, tgt_llog_read_header),
+ TGT_LLOG_HDL(0, LLOG_ORIGIN_HANDLE_PREV_BLOCK, tgt_llog_prev_block),
+};
+
static struct tgt_opc_slice mdt_common_slice[] = {
{
.tos_opc_start = MDS_FIRST_OPC,
{
.tos_opc_start = LLOG_FIRST_OPC,
.tos_opc_end = LLOG_LAST_OPC,
- .tos_hs = tgt_llog_handlers
+ .tos_hs = mdt_llog_handlers
},
{
.tos_opc_start = LFSCK_FIRST_OPC,
next->md_ops->mdo_iocontrol(env, next, OBD_IOC_STOP_LFSCK, 0, &stop);
mdt_stack_pre_fini(env, m, md2lu_dev(m->mdt_child));
+
+ mdt_restriper_stop(m);
ping_evictor_stop();
/* Remove the HSM /proc entry so the coordinator cannot be
LASSERT(lsi->lsi_lmd);
/* CMD is supported only in IAM mode */
LASSERT(num);
- node_id = simple_strtol(num, NULL, 10);
+ rc = kstrtol(num, 10, &node_id);
+ if (rc)
+ RETURN(rc);
+
obd->u.obt.obt_magic = OBT_MAGIC;
if (lsi->lsi_lmd->lmd_flags & LMD_FLG_SKIP_LFSCK)
m->mdt_skip_lfsck = 1;
}
- /* DoM files get IO lock at open by default */
+ /* DoM files get IO lock at open optionally by default */
m->mdt_opts.mo_dom_lock = ALWAYS_DOM_LOCK_ON_OPEN;
/* DoM files are read at open and data is packed in the reply */
m->mdt_opts.mo_dom_read_open = 1;
m->mdt_enable_remote_dir = 1;
m->mdt_enable_striped_dir = 1;
m->mdt_enable_dir_migration = 1;
+ m->mdt_enable_dir_restripe = 0;
+ m->mdt_enable_dir_auto_split = 0;
m->mdt_enable_remote_dir_gid = 0;
m->mdt_enable_chprojid_gid = 0;
m->mdt_enable_remote_rename = 1;
+ m->mdt_dir_restripe_nsonly = 1;
atomic_set(&m->mdt_mds_mds_conns, 0);
atomic_set(&m->mdt_async_commit_count, 0);
GOTO(err_free_ns, rc);
/* Amount of available space excluded from granting and reserved
- * for metadata. It is in percentage and 50% is default value. */
- tgd->tgd_reserved_pcnt = 50;
+ * for metadata. It is a percentage of the total MDT size. */
+ tgd->tgd_reserved_pcnt = 10;
if (ONE_MB_BRW_SIZE < (1U << tgd->tgd_blockbits))
m->mdt_brw_size = 1U << tgd->tgd_blockbits;
if ((lsi->lsi_lmd->lmd_flags & LMD_FLG_LOCAL_RECOV))
m->mdt_lut.lut_local_recovery = 1;
+ rc = mdt_restriper_start(m);
+ if (rc)
+ GOTO(err_ping_evictor, rc);
+
RETURN(0);
+
+err_ping_evictor:
+ ping_evictor_stop();
err_procfs:
mdt_tunables_fini(m);
err_recovery:
init_rwsem(&mo->mot_dom_sem);
init_rwsem(&mo->mot_open_sem);
atomic_set(&mo->mot_open_count, 0);
+ mo->mot_restripe_offset = 0;
+ INIT_LIST_HEAD(&mo->mot_restripe_linkage);
RETURN(o);
}
RETURN(NULL);
RETURN(0);
}
+static inline void mdt_enable_slc(struct mdt_device *mdt)
+{
+ if (mdt->mdt_lut.lut_sync_lock_cancel == SYNC_LOCK_CANCEL_NEVER)
+ mdt->mdt_lut.lut_sync_lock_cancel = SYNC_LOCK_CANCEL_BLOCKING;
+}
+
+static inline void mdt_disable_slc(struct mdt_device *mdt)
+{
+ if (mdt->mdt_lut.lut_sync_lock_cancel == SYNC_LOCK_CANCEL_BLOCKING)
+ mdt->mdt_lut.lut_sync_lock_cancel = SYNC_LOCK_CANCEL_NEVER;
+}
+
/**
* Match client and server connection feature flags.
*
exp->exp_obd->obd_name, obd_export_nid2str(exp));
}
+ if ((data->ocd_connect_flags & OBD_CONNECT_MDS_MDS) &&
+ !(data->ocd_connect_flags & OBD_CONNECT_LIGHTWEIGHT)) {
+ atomic_inc(&mdt->mdt_mds_mds_conns);
+ mdt_enable_slc(mdt);
+ }
+
return 0;
}
RETURN(rc);
}
-static inline void mdt_enable_slc(struct mdt_device *mdt)
-{
- if (mdt->mdt_lut.lut_sync_lock_cancel == SYNC_LOCK_CANCEL_NEVER)
- mdt->mdt_lut.lut_sync_lock_cancel = SYNC_LOCK_CANCEL_BLOCKING;
-}
-
-static inline void mdt_disable_slc(struct mdt_device *mdt)
-{
- if (mdt->mdt_lut.lut_sync_lock_cancel == SYNC_LOCK_CANCEL_BLOCKING)
- mdt->mdt_lut.lut_sync_lock_cancel = SYNC_LOCK_CANCEL_NEVER;
-}
-
static int mdt_obd_disconnect(struct obd_export *exp)
{
int rc;
mdt = mdt_dev(obd->obd_lu_dev);
- if ((data->ocd_connect_flags & OBD_CONNECT_MDS_MDS) &&
- !(data->ocd_connect_flags & OBD_CONNECT_LIGHTWEIGHT)) {
- atomic_inc(&mdt->mdt_mds_mds_conns);
- mdt_enable_slc(mdt);
- }
-
/*
* first, check whether the stack is ready to handle requests
* XXX: probably not very appropriate method is used now