#include "mdt_internal.h"
-
static unsigned int max_mod_rpcs_per_client = 8;
module_param(max_mod_rpcs_per_client, uint, 0644);
MODULE_PARM_DESC(max_mod_rpcs_per_client, "maximum number of modify RPCs in flight allowed per client");
{
struct mdt_device *mdt = info->mti_mdt;
struct lu_name *lname = &info->mti_name;
- char *name = NULL;
+ char *filename = info->mti_filename;
struct mdt_object *parent;
u32 mode;
int rc = 0;
LASSERT(!info->mti_cross_ref);
- OBD_ALLOC(name, NAME_MAX + 1);
- if (name == NULL)
- return -ENOMEM;
- lname->ln_name = name;
-
/*
* We may want to allow this to mount a completely separate
* fileset from the MDT in the future, but keeping it to
break;
}
- strncpy(name, s1, lname->ln_namelen);
- name[lname->ln_namelen] = '\0';
+ strncpy(filename, s1, lname->ln_namelen);
+ filename[lname->ln_namelen] = '\0';
+ lname->ln_name = filename;
parent = mdt_object_find(info->mti_env, mdt, fid);
if (IS_ERR(parent)) {
}
}
- OBD_FREE(name, NAME_MAX + 1);
-
return rc;
}
static int mdt_statfs(struct tgt_session_info *tsi)
{
- struct ptlrpc_request *req = tgt_ses_req(tsi);
- struct mdt_thread_info *info = tsi2mdt_info(tsi);
- struct mdt_device *mdt = info->mti_mdt;
- struct tg_grants_data *tgd = &mdt->mdt_lut.lut_tgd;
- struct ptlrpc_service_part *svcpt;
- struct obd_statfs *osfs;
- int rc;
+ struct ptlrpc_request *req = tgt_ses_req(tsi);
+ struct mdt_thread_info *info = tsi2mdt_info(tsi);
+ struct mdt_device *mdt = info->mti_mdt;
+ struct tg_grants_data *tgd = &mdt->mdt_lut.lut_tgd;
+ struct md_device *next = mdt->mdt_child;
+ struct ptlrpc_service_part *svcpt;
+ struct obd_statfs *osfs;
+ struct mdt_body *reqbody = NULL;
+ struct mdt_statfs_cache *msf;
+ int rc;
ENTRY;
if (!osfs)
GOTO(out, rc = -EPROTO);
- rc = tgt_statfs_internal(tsi->tsi_env, &mdt->mdt_lut, osfs,
- ktime_get_seconds() - OBD_STATFS_CACHE_SECONDS,
- NULL);
- if (unlikely(rc))
- GOTO(out, rc);
+ if (mdt_is_sum_statfs_client(req->rq_export) &&
+ lustre_packed_msg_size(req->rq_reqmsg) ==
+ req_capsule_fmt_size(req->rq_reqmsg->lm_magic,
+ &RQF_MDS_STATFS_NEW, RCL_CLIENT)) {
+ req_capsule_extend(info->mti_pill, &RQF_MDS_STATFS_NEW);
+ reqbody = req_capsule_client_get(info->mti_pill, &RMF_MDT_BODY);
+ }
+
+ if (reqbody && reqbody->mbo_valid & OBD_MD_FLAGSTATFS)
+ msf = &mdt->mdt_sum_osfs;
+ else
+ msf = &mdt->mdt_osfs;
+
+ if (msf->msf_age + OBD_STATFS_CACHE_SECONDS <= ktime_get_seconds()) {
+ /** statfs data is too old, get up-to-date one */
+ if (reqbody && reqbody->mbo_valid & OBD_MD_FLAGSTATFS)
+ rc = next->md_ops->mdo_statfs(info->mti_env,
+ next, osfs);
+ else
+ rc = dt_statfs(info->mti_env, mdt->mdt_bottom,
+ osfs);
+ if (rc)
+ GOTO(out, rc);
+ spin_lock(&mdt->mdt_lock);
+ msf->msf_osfs = *osfs;
+ msf->msf_age = ktime_get_seconds();
+ spin_unlock(&mdt->mdt_lock);
+ } else {
+ /** use cached statfs data */
+ spin_lock(&mdt->mdt_lock);
+ *osfs = msf->msf_osfs;
+ spin_unlock(&mdt->mdt_lock);
+ }
/* at least try to account for cached pages. its still racy and
* might be under-reporting if clients haven't announced their
return -EINVAL;
}
+ LASSERT(buf->lb_buf);
+
rc = mo_xattr_get(info->mti_env, next, buf, name);
if (rc > 0) {
}
/* this should sync the whole device */
-static int mdt_device_sync(const struct lu_env *env, struct mdt_device *mdt)
+int mdt_device_sync(const struct lu_env *env, struct mdt_device *mdt)
{
struct dt_device *dt = mdt->mdt_bottom;
int rc;
struct ldlm_namespace *ns = info->mti_mdt->mdt_namespace;
union ldlm_policy_data *policy = &info->mti_policy;
struct ldlm_res_id *res_id = &info->mti_res_id;
- __u64 dlmflags = 0;
+ __u64 dlmflags = 0, *cookie = NULL;
int rc;
ENTRY;
}
}
-
fid_build_reg_res_name(mdt_object_fid(o), res_id);
dlmflags |= LDLM_FL_ATOMIC_CB;
+ if (info->mti_exp)
+ cookie = &info->mti_exp->exp_handle.h_cookie;
+
/*
* Take PDO lock on whole directory and build correct @res_id for lock
* on part of directory.
/* at least one of them should be set */
LASSERT(policy->l_inodebits.bits |
policy->l_inodebits.try_bits);
- rc = mdt_fid_lock(ns, &lh->mlh_pdo_lh, lh->mlh_pdo_mode,
- policy, res_id, dlmflags,
- info->mti_exp == NULL ? NULL :
- &info->mti_exp->exp_handle.h_cookie);
+ rc = mdt_fid_lock(info->mti_env, ns, &lh->mlh_pdo_lh,
+ lh->mlh_pdo_mode, policy, res_id,
+ dlmflags, cookie);
if (unlikely(rc != 0))
GOTO(out_unlock, rc);
}
* going to be sent to client. If it is - mdt_intent_policy() path will
* fix it up and turn FL_LOCAL flag off.
*/
- rc = mdt_fid_lock(ns, &lh->mlh_reg_lh, lh->mlh_reg_mode, policy,
- res_id, LDLM_FL_LOCAL_ONLY | dlmflags,
- info->mti_exp == NULL ? NULL :
- &info->mti_exp->exp_handle.h_cookie);
+ rc = mdt_fid_lock(info->mti_env, ns, &lh->mlh_reg_lh, lh->mlh_reg_mode,
+ policy, res_id, LDLM_FL_LOCAL_ONLY | dlmflags,
+ cookie);
out_unlock:
if (rc != 0)
mdt_object_unlock(info, o, lh, 1);
if (layout_size > info->mti_mdt->mdt_max_mdsize)
info->mti_mdt->mdt_max_mdsize = layout_size;
}
+ CDEBUG(D_INFO, "%s: layout_size %d\n",
+ mdt_obd_name(info->mti_mdt), layout_size);
}
/*
out:
lhc->mlh_reg_lh.cookie = 0;
- return rc;
+ RETURN(rc);
}
static int mdt_intent_open(enum ldlm_intent_flags it_opc,
LDLM_GLIMPSE_ENQUEUE : LDLM_IBITS_ENQUEUE));
}
-static int mdt_intent_policy(struct ldlm_namespace *ns,
- struct ldlm_lock **lockp, void *req_cookie,
- enum ldlm_mode mode, __u64 flags, void *data)
+static int mdt_intent_policy(const struct lu_env *env,
+ struct ldlm_namespace *ns,
+ struct ldlm_lock **lockp,
+ void *req_cookie,
+ enum ldlm_mode mode,
+ __u64 flags, void *data)
{
struct tgt_session_info *tsi;
struct mdt_thread_info *info;
LASSERT(req != NULL);
- tsi = tgt_ses_info(req->rq_svc_thread->t_env);
+ tsi = tgt_ses_info(env);
info = tsi2mdt_info(tsi);
LASSERT(info != NULL);
obd = class_name2obd(dev);
LASSERT(obd != NULL);
- m->mdt_max_mdsize = MAX_MD_SIZE; /* 4 stripes */
+ m->mdt_max_mdsize = MAX_MD_SIZE_OLD;
m->mdt_opts.mo_evict_tgt_nids = 1;
m->mdt_opts.mo_cos = MDT_COS_DEFAULT;
/* Remove mfd handle so it can't be found again.
* We are consuming the mfd_list reference here. */
- class_handle_unhash(&mfd->mfd_handle);
+ class_handle_unhash(&mfd->mfd_open_handle);
list_move_tail(&mfd->mfd_list, &closing_list);
}
spin_unlock(&med->med_open_lock);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff