static const struct lu_object_operations osd_lu_obj_ops;
static const struct dt_object_operations osd_obj_ops;
static const struct dt_object_operations osd_obj_ea_ops;
+static const struct dt_object_operations osd_obj_otable_it_ops;
static const struct dt_index_operations osd_index_iam_ops;
static const struct dt_index_operations osd_index_ea_ops;
#ifdef HAVE_QUOTA_SUPPORT
static inline void
-osd_push_ctxt(const struct lu_env *env, struct osd_ctxt *save)
+osd_push_ctxt(const struct lu_env *env, struct osd_ctxt *save, bool is_md)
{
- struct md_ucred *uc = md_ucred(env);
+ struct md_ucred *uc;
struct cred *tc;
+ if (!is_md)
+ /* OFD support */
+ return;
+
+ uc = md_ucred(env);
+
LASSERT(uc != NULL);
save->oc_uid = current_fsuid();
}
static inline void
-osd_pop_ctxt(struct osd_ctxt *save)
+osd_pop_ctxt(struct osd_ctxt *save, bool is_md)
{
struct cred *tc;
+ if (!is_md)
+ /* OFD support */
+ return;
+
if ((tc = prepare_creds())) {
tc->fsuid = save->oc_uid;
tc->fsgid = save->oc_gid;
struct inode *inode;
struct osd_scrub *scrub;
struct scrub_file *sf;
- int result;
+ int result;
int verify = 0;
ENTRY;
verify = 1;
}
- fid_zero(&oic->oic_fid);
+ /*
+ * Objects are created as locking anchors or place holders for objects
+ * yet to be created. No need to osd_oi_lookup() at here because FID
+ * shouldn't never be re-used, if it's really a duplicate FID from
+ * unexpected reason, we should be able to detect it later by calling
+ * do_create->osd_oi_insert()
+ */
+ if (conf != NULL && (conf->loc_flags & LOC_F_NEW) != 0)
+ GOTO(out, result = 0);
+
/* Search order: 3. OI files. */
result = osd_oi_lookup(info, dev, fid, id);
- if (result != 0 && result != -ENOENT)
- GOTO(out, result);
-
- /* If fid wasn't found in oi, inode-less object is created,
- * for which lu_object_exists() returns false. This is used
- * in a (frequent) case when objects are created as locking
- * anchors or place holders for objects yet to be created. */
- if (conf != NULL && conf->loc_flags & LOC_F_NEW) {
- if (unlikely(result == 0))
- GOTO(out, result = -EEXIST);
- else
- GOTO(out, result = 0);
- }
-
if (result == -ENOENT) {
if (!fid_is_norm(fid) ||
!ldiskfs_test_bit(osd_oi_fid2idx(dev,fid),
goto trigger;
}
+ if (result != 0)
+ GOTO(out, result);
+
iget:
if (verify == 0)
inode = osd_iget(info, dev, id);
if (IS_ERR(inode)) {
result = PTR_ERR(inode);
if (result == -ENOENT || result == -ESTALE) {
+ fid_zero(&oic->oic_fid);
result = 0;
} else if (result == -EREMCHG) {
LINVRNT(osd_invariant(obj));
result = osd_fid_lookup(env, obj, lu_object_fid(l), conf);
- obj->oo_dt.do_body_ops = &osd_body_ops_new;
- if (result == 0) {
- if (obj->oo_inode != NULL)
- osd_object_init0(obj);
- }
- LINVRNT(osd_invariant(obj));
- return result;
+ obj->oo_dt.do_body_ops = &osd_body_ops_new;
+ if (result == 0) {
+ if (obj->oo_inode != NULL) {
+ osd_object_init0(obj);
+ } else if (fid_is_otable_it(&l->lo_header->loh_fid)) {
+ obj->oo_dt.do_ops = &osd_obj_otable_it_ops;
+ /* LFSCK iterator object is special without inode */
+ l->lo_header->loh_attr |= LOHA_EXISTS;
+ }
+ }
+ LINVRNT(osd_invariant(obj));
+ return result;
}
/*
/* call per-transaction callbacks if any */
cfs_list_for_each_entry_safe(dcb, tmp, &oh->ot_dcb_list, dcb_linkage) {
+ LASSERTF(dcb->dcb_magic == TRANS_COMMIT_CB_MAGIC,
+ "commit callback entry: magic=%x name='%s'\n",
+ dcb->dcb_magic, dcb->dcb_name);
cfs_list_del_init(&dcb->dcb_linkage);
dcb->dcb_func(NULL, th, dcb, error);
}
* data (ofd) and reverse ordering for metadata
* (mdd). then at some point we'll fix the latter
*/
- if (lu_device_is_md(&d->dd_lu_dev)) {
+ if (dev->od_is_md) {
LASSERT(oti->oti_r_locks == 0);
LASSERT(oti->oti_w_locks == 0);
}
* data (ofd) and reverse ordering for metadata
* (mdd). then at some point we'll fix the latter
*/
- if (lu_device_is_md(&th->th_dev->dd_lu_dev)) {
+ if (osd_dt_dev(th->th_dev)->od_is_md) {
LASSERT(oti->oti_r_locks == 0);
LASSERT(oti->oti_w_locks == 0);
}
static int osd_trans_cb_add(struct thandle *th, struct dt_txn_commit_cb *dcb)
{
- struct osd_thandle *oh = container_of0(th, struct osd_thandle,
- ot_super);
+ struct osd_thandle *oh = container_of0(th, struct osd_thandle,
+ ot_super);
- cfs_list_add(&dcb->dcb_linkage, &oh->ot_dcb_list);
+ LASSERT(dcb->dcb_magic == TRANS_COMMIT_CB_MAGIC);
+ LASSERT(&dcb->dcb_func != NULL);
+ cfs_list_add(&dcb->dcb_linkage, &oh->ot_dcb_list);
- return 0;
+ return 0;
}
/*
d = o->oo_dir->od_container.ic_descr;
else
d = NULL;
- return (*p)(env, cookie, LUSTRE_OSD_NAME"-object@%p(i:%p:%lu/%u)[%s]",
+ return (*p)(env, cookie,
+ LUSTRE_OSD_LDISKFS_NAME"-object@%p(i:%p:%lu/%u)[%s]",
o, o->oo_inode,
o->oo_inode ? o->oo_inode->i_ino : 0UL,
o->oo_inode ? o->oo_inode->i_generation : 0,
struct kstatfs *ksfs;
int result = 0;
+ if (unlikely(osd->od_mnt == NULL))
+ return -EINPROGRESS;
+
/* osd_lproc.c call this without env, allocate ksfs for that case */
if (unlikely(env == NULL)) {
OBD_ALLOC_PTR(ksfs);
ksfs = &osd_oti_get(env)->oti_ksfs;
}
- cfs_spin_lock(&osd->od_osfs_lock);
- /* cache 1 second */
- if (cfs_time_before_64(osd->od_osfs_age, cfs_time_shift_64(-1))) {
- result = ll_do_statfs(sb, ksfs);
- if (likely(result == 0)) { /* N.B. statfs can't really fail */
- osd->od_osfs_age = cfs_time_current_64();
- statfs_pack(&osd->od_statfs, ksfs);
- }
- }
+ cfs_spin_lock(&osd->od_osfs_lock);
+ /* cache 1 second */
+ if (cfs_time_before_64(osd->od_osfs_age, cfs_time_shift_64(-1))) {
+ result = sb->s_op->statfs(sb->s_root, ksfs);
+ if (likely(result == 0)) { /* N.B. statfs can't really fail */
+ osd->od_osfs_age = cfs_time_current_64();
+ statfs_pack(&osd->od_statfs, ksfs);
+ }
+ }
if (likely(result == 0))
*sfs = osd->od_statfs;
/*
* XXX should be taken from not-yet-existing fs abstraction layer.
*/
+ param->ddp_mnt = osd_dt_dev(dev)->od_mnt;
param->ddp_max_name_len = LDISKFS_NAME_LEN;
param->ddp_max_nlink = LDISKFS_LINK_MAX;
param->ddp_block_shift = sb->s_blocksize_bits;
*/
static int osd_sync(const struct lu_env *env, struct dt_device *d)
{
- CDEBUG(D_HA, "syncing OSD %s\n", LUSTRE_OSD_NAME);
+ CDEBUG(D_HA, "syncing OSD %s\n", LUSTRE_OSD_LDISKFS_NAME);
return ldiskfs_force_commit(osd_sb(osd_dt_dev(d)));
}
struct super_block *s = osd_sb(osd_dt_dev(d));
ENTRY;
- CDEBUG(D_HA, "async commit OSD %s\n", LUSTRE_OSD_NAME);
+ CDEBUG(D_HA, "async commit OSD %s\n", LUSTRE_OSD_LDISKFS_NAME);
RETURN(s->s_op->sync_fs(s, 0));
}
int rc;
ENTRY;
- CERROR("*** setting device %s read-only ***\n", LUSTRE_OSD_NAME);
+ CERROR("*** setting %s read-only ***\n", osd_dt_dev(d)->od_svname);
rc = __lvfs_set_rdonly(sb->s_bdev, LDISKFS_SB(sb)->journal_bdev);
RETURN(rc);
}
static struct timespec *osd_inode_time(const struct lu_env *env,
- struct inode *inode, __u64 seconds)
+ struct inode *inode, __u64 seconds)
{
- struct osd_thread_info *oti = osd_oti_get(env);
- struct timespec *t = &oti->oti_time;
+ struct osd_thread_info *oti = osd_oti_get(env);
+ struct timespec *t = &oti->oti_time;
- t->tv_sec = seconds;
- t->tv_nsec = 0;
- *t = timespec_trunc(*t, get_sb_time_gran(inode->i_sb));
- return t;
+ t->tv_sec = seconds;
+ t->tv_nsec = 0;
+ *t = timespec_trunc(*t, inode->i_sb->s_time_gran);
+ return t;
}
attr->la_flags = LDISKFS_I(inode)->i_flags;
attr->la_nlink = inode->i_nlink;
attr->la_rdev = inode->i_rdev;
- attr->la_blksize = ll_inode_blksize(inode);
- attr->la_blkbits = inode->i_blkbits;
+ attr->la_blksize = 1 << inode->i_blkbits;
+ attr->la_blkbits = inode->i_blkbits;
}
static int osd_attr_get(const struct lu_env *env,
OSD_EXEC_OP(handle, attr_set);
inode = obj->oo_inode;
- if (LDISKFS_HAS_RO_COMPAT_FEATURE(inode->i_sb,
- LDISKFS_FEATURE_RO_COMPAT_QUOTA)) {
+ if (!osd_dt_dev(handle->th_dev)->od_is_md) {
+ /* OFD support */
rc = osd_quota_transfer(inode, attr);
if (rc)
return rc;
iattr.ia_valid |= ATTR_GID;
iattr.ia_uid = attr->la_uid;
iattr.ia_gid = attr->la_gid;
- osd_push_ctxt(env, save);
+ osd_push_ctxt(env, save, 1);
rc = ll_vfs_dq_transfer(inode, &iattr) ? -EDQUOT : 0;
- osd_pop_ctxt(save);
+ osd_pop_ctxt(save, 1);
if (rc != 0)
return rc;
}
parent = hint->dah_parent;
#ifdef HAVE_QUOTA_SUPPORT
- osd_push_ctxt(info->oti_env, save);
+ osd_push_ctxt(info->oti_env, save, osd_dt_dev(th->th_dev)->od_is_md);
#endif
inode = ldiskfs_create_inode(oth->ot_handle,
parent ? osd_dt_obj(parent)->oo_inode :
osd_sb(osd)->s_root->d_inode,
mode);
#ifdef HAVE_QUOTA_SUPPORT
- osd_pop_ctxt(save);
+ osd_pop_ctxt(save, osd_dt_dev(th->th_dev)->od_is_md);
#endif
if (!IS_ERR(inode)) {
/* Do not update file c/mtime in ldiskfs.
if ((valid & LA_MTIME) && (attr->la_mtime == LTIME_S(inode->i_mtime)))
attr->la_valid &= ~LA_MTIME;
- if (LDISKFS_HAS_RO_COMPAT_FEATURE(inode->i_sb,
- LDISKFS_FEATURE_RO_COMPAT_QUOTA)) {
+ if (!osd_obj2dev(obj)->od_is_md) {
+ /* OFD support */
result = osd_quota_transfer(inode, attr);
if (result)
return;
struct osd_thread_info *info = osd_oti_get(env);
struct osd_inode_id *id = &info->oti_id;
struct osd_device *osd = osd_obj2dev(obj);
- struct md_ucred *uc = md_ucred(env);
LASSERT(obj->oo_inode != NULL);
- LASSERT(uc != NULL);
+
+ if (osd->od_is_md) {
+ struct md_ucred *uc = md_ucred(env);
+ LASSERT(uc != NULL);
+ }
osd_id_gen(id, obj->oo_inode->i_ino, obj->oo_inode->i_generation);
return osd_oi_insert(info, osd, fid, id, th);
if (fid_is_norm(lu_object_fid(&dt->do_lu))) {
OSD_DECLARE_OP(oh, insert);
oh->ot_credits += osd_dto_credits_noquota[DTO_INDEX_INSERT];
+ /* Reuse idle OI block may cause additional one OI block
+ * to be changed. */
+ oh->ot_credits += 1;
}
/* If this is directory, then we expect . and .. to be inserted as
* well. The one directory block always needs to be created for the
OSD_DECLARE_OP(oh, destroy);
OSD_DECLARE_OP(oh, delete);
oh->ot_credits += osd_dto_credits_noquota[DTO_OBJECT_DELETE];
- oh->ot_credits += osd_dto_credits_noquota[DTO_INDEX_DELETE];
+ /* XXX: So far, only normal fid needs to be inserted into the OI,
+ * so only normal fid needs to be removed from the OI also. */
+ if (fid_is_norm(lu_object_fid(&dt->do_lu))) {
+ oh->ot_credits += osd_dto_credits_noquota[DTO_INDEX_DELETE];
+ /* Recycle idle OI leaf may cause additional three OI blocks
+ * to be changed. */
+ oh->ot_credits += 3;
+ }
osd_declare_qid(dt, oh, USRQUOTA, inode->i_uid, inode);
osd_declare_qid(dt, oh, GRPQUOTA, inode->i_gid, inode);
const struct lu_buf *buf, const char *name,
int fl, struct thandle *handle)
{
- struct osd_thandle *oh;
+ struct osd_thandle *oh;
- LASSERT(handle != NULL);
+ LASSERT(handle != NULL);
- if (strcmp(name, XATTR_NAME_VERSION) == 0) {
- /* no credits for version */
- return 0;
- }
+ oh = container_of0(handle, struct osd_thandle, ot_super);
+ LASSERT(oh->ot_handle == NULL);
- oh = container_of0(handle, struct osd_thandle, ot_super);
- LASSERT(oh->ot_handle == NULL);
-
- OSD_DECLARE_OP(oh, xattr_set);
- oh->ot_credits += osd_dto_credits_noquota[DTO_XATTR_SET];
+ OSD_DECLARE_OP(oh, xattr_set);
+ if (strcmp(name, XATTR_NAME_VERSION) == 0)
+ oh->ot_credits += osd_dto_credits_noquota[DTO_ATTR_SET_BASE];
+ else
+ oh->ot_credits += osd_dto_credits_noquota[DTO_XATTR_SET];
- return 0;
+ return 0;
}
/*
static int osd_object_sync(const struct lu_env *env, struct dt_object *dt)
{
- struct osd_object *obj = osd_dt_obj(dt);
- struct inode *inode = obj->oo_inode;
- struct osd_thread_info *info = osd_oti_get(env);
- struct dentry *dentry = &info->oti_obj_dentry;
- struct file *file = &info->oti_file;
- int rc;
+ struct osd_object *obj = osd_dt_obj(dt);
+ struct inode *inode = obj->oo_inode;
+ struct osd_thread_info *info = osd_oti_get(env);
+ struct dentry *dentry = &info->oti_obj_dentry;
+ struct file *file = &info->oti_file;
+ int rc;
- ENTRY;
+ ENTRY;
- dentry->d_inode = inode;
- file->f_dentry = dentry;
- file->f_mapping = inode->i_mapping;
- file->f_op = inode->i_fop;
- LOCK_INODE_MUTEX(inode);
- rc = file->f_op->fsync(file, dentry, 0);
- UNLOCK_INODE_MUTEX(inode);
- RETURN(rc);
+ dentry->d_inode = inode;
+ file->f_dentry = dentry;
+ file->f_mapping = inode->i_mapping;
+ file->f_op = inode->i_fop;
+ mutex_lock(&inode->i_mutex);
+ rc = file->f_op->fsync(file, dentry, 0);
+ mutex_unlock(&inode->i_mutex);
+ RETURN(rc);
}
static int osd_data_get(const struct lu_env *env, struct dt_object *dt,
return result;
result = iam_container_setup(bag);
- if (result != 0)
- goto out;
-
- if (osd_obj2dev(obj)->od_iop_mode) {
- u32 ptr = bag->ic_descr->id_ops->id_root_ptr(bag);
-
- bag->ic_root_bh = ldiskfs_bread(NULL, obj->oo_inode,
- ptr, 0, &result);
- }
-
- out:
if (result == 0)
obj->oo_dt.do_index_ops = &osd_index_iam_ops;
else
return result;
}
+static int osd_otable_it_attr_get(const struct lu_env *env,
+ struct dt_object *dt,
+ struct lu_attr *attr,
+ struct lustre_capa *capa)
+{
+ attr->la_valid = 0;
+ return 0;
+}
+
static const struct dt_object_operations osd_obj_ops = {
.do_read_lock = osd_object_read_lock,
.do_write_lock = osd_object_write_lock,
.do_data_get = osd_data_get,
};
+static const struct dt_object_operations osd_obj_otable_it_ops = {
+ .do_attr_get = osd_otable_it_attr_get,
+ .do_index_try = osd_index_try,
+};
+
static int osd_index_declare_iam_delete(const struct lu_env *env,
struct dt_object *dt,
const struct dt_key *key,
rc = osd_ea_fid_get(env, obj, ino, fid, &oic->oic_lid);
else
osd_id_gen(&oic->oic_lid, ino, OSD_OII_NOGEN);
-
- if (rc != 0 || !fid_is_norm(fid))
+ if (rc != 0 || !fid_is_norm(fid)) {
+ fid_zero(&oic->oic_fid);
GOTO(out, rc);
+ }
oic->oic_fid = *fid;
if ((scrub->os_pos_current <= ino) &&
it->oie_file.f_pos = 0;
it->oie_file.f_dentry = obj_dentry;
if (attr & LUDA_64BITHASH)
- it->oie_file.f_flags = O_64BITHASH;
+ it->oie_file.f_mode |= FMODE_64BITHASH;
else
- it->oie_file.f_flags = O_32BITHASH;
+ it->oie_file.f_mode |= FMODE_32BITHASH;
it->oie_file.f_mapping = obj->oo_inode->i_mapping;
it->oie_file.f_op = obj->oo_inode->i_fop;
it->oie_file.private_data = NULL;
it->oie_it_dirent++;
RETURN(0);
} else {
- if (it->oie_file.f_pos == LDISKFS_HTREE_EOF)
+ if (it->oie_file.f_pos == ldiskfs_get_htree_eof(&it->oie_file))
rc = +1;
else
rc = osd_ldiskfs_it_fill(env, di);
it->oie_dirent->oied_name,
it->oie_dirent->oied_namelen,
it->oie_dirent->oied_type, attr);
-
- if (!fid_is_norm(fid))
+ if (!fid_is_norm(fid)) {
+ fid_zero(&oic->oic_fid);
RETURN(0);
+ }
oic->oic_fid = *fid;
if ((scrub->os_pos_current <= ino) &&
static int osd_mount(const struct lu_env *env,
struct osd_device *o, struct lustre_cfg *cfg)
{
- struct lustre_mount_info *lmi;
- const char *dev = lustre_cfg_string(cfg, 0);
- struct lustre_disk_data *ldd;
- struct lustre_sb_info *lsi;
- int rc = 0;
-
+ const char *name = lustre_cfg_string(cfg, 0);
+ const char *dev = lustre_cfg_string(cfg, 1);
+ const char *opts;
+ unsigned long page, s_flags, lmd_flags = 0;
+ struct page *__page;
+ struct file_system_type *type;
+ char *options = NULL;
+ char *str;
+ int rc = 0;
ENTRY;
+ if (o->od_mnt != NULL)
+ RETURN(0);
+
o->od_fsops = fsfilt_get_ops(mt_str(LDD_MT_LDISKFS));
if (o->od_fsops == NULL) {
CERROR("Can't find fsfilt_ldiskfs\n");
RETURN(-ENOTSUPP);
}
- if (o->od_mount != NULL) {
- CERROR("Already mounted (%s)\n", dev);
- RETURN(-EEXIST);
- }
+ OBD_PAGE_ALLOC(__page, CFS_ALLOC_STD);
+ if (__page == NULL)
+ RETURN(-ENOMEM);
+
+ str = lustre_cfg_string(cfg, 2);
+ s_flags = simple_strtoul(str, NULL, 0);
+ str = strstr(str, ":");
+ if (str)
+ lmd_flags = simple_strtoul(str + 1, NULL, 0);
+ opts = lustre_cfg_string(cfg, 3);
+ page = (unsigned long)cfs_page_address(__page);
+ options = (char *)page;
+ *options = '\0';
+ if (opts == NULL)
+ strcat(options, "user_xattr,acl");
+ else
+ strcat(options, opts);
- /* get mount */
- lmi = server_get_mount(dev);
- if (lmi == NULL) {
- CERROR("Cannot get mount info for %s!\n", dev);
- RETURN(-EFAULT);
- }
+ /* Glom up mount options */
+ if (*options != '\0')
+ strcat(options, ",");
+ strlcat(options, "no_mbcache", CFS_PAGE_SIZE);
+
+ type = get_fs_type("ldiskfs");
+ if (!type) {
+ CERROR("%s: cannot find ldiskfs module\n", name);
+ GOTO(out, rc = -ENODEV);
+ }
- LASSERT(lmi != NULL);
- /* save lustre_mount_info in dt_device */
- o->od_mount = lmi;
- o->od_mnt = lmi->lmi_mnt;
+ o->od_mnt = vfs_kern_mount(type, s_flags, dev, options);
+ cfs_module_put(type->owner);
- lsi = s2lsi(lmi->lmi_sb);
- ldd = lsi->lsi_ldd;
+ if (IS_ERR(o->od_mnt)) {
+ rc = PTR_ERR(o->od_mnt);
+ CERROR("%s: can't mount %s: %d\n", name, dev, rc);
+ o->od_mnt = NULL;
+ GOTO(out, rc);
+ }
+
+ if (lvfs_check_rdonly(o->od_mnt->mnt_sb->s_bdev)) {
+ CERROR("%s: underlying device %s is marked as read-only. "
+ "Setup failed\n", name, dev);
+ mntput(o->od_mnt);
+ o->od_mnt = NULL;
+ GOTO(out, rc = -EROFS);
+ }
+
+ if (!LDISKFS_HAS_COMPAT_FEATURE(o->od_mnt->mnt_sb,
+ LDISKFS_FEATURE_COMPAT_HAS_JOURNAL)) {
+ CERROR("%s: device %s is mounted w/o journal\n", name, dev);
+ mntput(o->od_mnt);
+ o->od_mnt = NULL;
+ GOTO(out, rc = -EINVAL);
+ }
- if (ldd->ldd_flags & LDD_F_IAM_DIR) {
+ if (lmd_flags & LMD_FLG_IAM) {
o->od_iop_mode = 0;
- LCONSOLE_WARN("%s: OSD: IAM mode enabled\n", dev);
+ LCONSOLE_WARN("%s: OSD: IAM mode enabled\n", name);
} else
o->od_iop_mode = 1;
+ if (lmd_flags & LMD_FLG_NOSCRUB)
+ o->od_scrub.os_no_scrub = 1;
- if (ldd->ldd_flags & LDD_F_SV_TYPE_OST) {
- rc = osd_compat_init(o);
- if (rc)
- CERROR("%s: can't initialize compats: %d\n", dev, rc);
- }
+out:
+ if (__page)
+ OBD_PAGE_FREE(__page);
RETURN(rc);
}
int rc;
ENTRY;
+ rc = osd_shutdown(env, osd_dev(d));
+
osd_compat_fini(osd_dev(d));
shrink_dcache_sb(osd_sb(osd_dev(d)));
RETURN (ERR_PTR(rc));
}
- if (osd_dev(d)->od_mount)
- server_put_mount(osd_dev(d)->od_mount->lmi_name,
- osd_dev(d)->od_mount->lmi_mnt);
- osd_dev(d)->od_mount = NULL;
+ if (osd_dev(d)->od_mnt) {
+ mntput(osd_dev(d)->od_mnt);
+ osd_dev(d)->od_mnt = NULL;
+ }
RETURN(NULL);
}
+static int osd_device_init0(const struct lu_env *env,
+ struct osd_device *o,
+ struct lustre_cfg *cfg)
+{
+ struct lu_device *l = osd2lu_dev(o);
+ struct osd_thread_info *info;
+ int rc;
+
+ /* if the module was re-loaded, env can loose its keys */
+ rc = lu_env_refill((struct lu_env *) env);
+ if (rc)
+ GOTO(out, rc);
+ info = osd_oti_get(env);
+ LASSERT(info);
+
+ l->ld_ops = &osd_lu_ops;
+ o->od_dt_dev.dd_ops = &osd_dt_ops;
+
+ cfs_spin_lock_init(&o->od_osfs_lock);
+ cfs_mutex_init(&o->od_otable_mutex);
+ o->od_osfs_age = cfs_time_shift_64(-1000);
+
+ o->od_capa_hash = init_capa_hash();
+ if (o->od_capa_hash == NULL)
+ GOTO(out, rc = -ENOMEM);
+
+ o->od_read_cache = 1;
+ o->od_writethrough_cache = 1;
+
+ rc = osd_mount(env, o, cfg);
+ if (rc)
+ GOTO(out_capa, rc);
+
+ /* setup scrub, including OI files initialization */
+ rc = osd_scrub_setup(env, o);
+ if (rc < 0)
+ GOTO(out_mnt, rc);
+
+ strncpy(o->od_svname, lustre_cfg_string(cfg, 4),
+ sizeof(o->od_svname) - 1);
+
+ if (strstr(o->od_svname, "-OST")) {
+ rc = osd_compat_init(o);
+ if (rc != 0)
+ GOTO(out_mnt, rc);
+ }
+
+ rc = lu_site_init(&o->od_site, l);
+ if (rc)
+ GOTO(out_compat, rc);
+
+ rc = lu_site_init_finish(&o->od_site);
+ if (rc)
+ GOTO(out_compat, rc);
+
+ rc = osd_procfs_init(o, o->od_svname);
+ if (rc != 0) {
+ CERROR("%s: can't initialize procfs: rc = %d\n",
+ o->od_svname, rc);
+ GOTO(out_compat, rc);
+ }
+
+ LASSERT(l->ld_site->ls_linkage.next && l->ld_site->ls_linkage.prev);
+
+ RETURN(0);
+out_compat:
+ osd_compat_fini(o);
+out_mnt:
+ osd_oi_fini(info, o);
+ osd_shutdown(env, o);
+ mntput(o->od_mnt);
+ o->od_mnt = NULL;
+out_capa:
+ cleanup_capa_hash(o->od_capa_hash);
+out:
+ RETURN(rc);
+}
+
static struct lu_device *osd_device_alloc(const struct lu_env *env,
struct lu_device_type *t,
struct lustre_cfg *cfg)
{
- struct lu_device *l;
- struct osd_device *o;
-
- OBD_ALLOC_PTR(o);
- if (o != NULL) {
- int result;
-
- result = dt_device_init(&o->od_dt_dev, t);
- if (result == 0) {
- l = osd2lu_dev(o);
- l->ld_ops = &osd_lu_ops;
- o->od_dt_dev.dd_ops = &osd_dt_ops;
- cfs_spin_lock_init(&o->od_osfs_lock);
- cfs_mutex_init(&o->od_otable_mutex);
- o->od_osfs_age = cfs_time_shift_64(-1000);
- o->od_capa_hash = init_capa_hash();
- if (o->od_capa_hash == NULL) {
- dt_device_fini(&o->od_dt_dev);
- l = ERR_PTR(-ENOMEM);
- }
- } else
- l = ERR_PTR(result);
+ struct osd_device *o;
+ int rc;
- if (IS_ERR(l))
- OBD_FREE_PTR(o);
- } else
- l = ERR_PTR(-ENOMEM);
- return l;
+ OBD_ALLOC_PTR(o);
+ if (o == NULL)
+ return ERR_PTR(-ENOMEM);
+
+ rc = dt_device_init(&o->od_dt_dev, t);
+ if (rc == 0) {
+ rc = osd_device_init0(env, o, cfg);
+ if (rc)
+ dt_device_fini(&o->od_dt_dev);
+ }
+
+ if (unlikely(rc != 0))
+ OBD_FREE_PTR(o);
+
+ return rc == 0 ? osd2lu_dev(o) : ERR_PTR(rc);
}
static struct lu_device *osd_device_free(const struct lu_env *env,
ENTRY;
cleanup_capa_hash(o->od_capa_hash);
+ /* XXX: make osd top device in order to release reference */
+ d->ld_site->ls_top_dev = d;
+ lu_site_purge(env, d->ld_site, -1);
+ if (!cfs_hash_is_empty(d->ld_site->ls_obj_hash)) {
+ LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, D_ERROR, NULL);
+ lu_site_print(env, d->ld_site, &msgdata, lu_cdebug_printer);
+ }
+ lu_site_fini(&o->od_site);
dt_device_fini(&o->od_dt_dev);
OBD_FREE_PTR(o);
RETURN(NULL);
err = osd_mount(env, o, cfg);
break;
case LCFG_CLEANUP:
- err = osd_shutdown(env, o);
+ lu_dev_del_linkage(d->ld_site, d);
+ err = 0;
break;
default:
err = -ENOSYS;
RETURN(0);
}
+/*
+ * we use exports to track all osd users
+ */
+static int osd_obd_connect(const struct lu_env *env, struct obd_export **exp,
+ struct obd_device *obd, struct obd_uuid *cluuid,
+ struct obd_connect_data *data, void *localdata)
+{
+ struct osd_device *osd = osd_dev(obd->obd_lu_dev);
+ struct lustre_handle conn;
+ int rc;
+ ENTRY;
+
+ CDEBUG(D_CONFIG, "connect #%d\n", osd->od_connects);
+
+ rc = class_connect(&conn, obd, cluuid);
+ if (rc)
+ RETURN(rc);
+
+ *exp = class_conn2export(&conn);
+
+ cfs_spin_lock(&osd->od_osfs_lock);
+ osd->od_connects++;
+ cfs_spin_unlock(&osd->od_osfs_lock);
+
+ RETURN(0);
+}
+
+/*
+ * once last export (we don't count self-export) disappeared
+ * osd can be released
+ */
+static int osd_obd_disconnect(struct obd_export *exp)
+{
+ struct obd_device *obd = exp->exp_obd;
+ struct osd_device *osd = osd_dev(obd->obd_lu_dev);
+ int rc, release = 0;
+ ENTRY;
+
+ /* Only disconnect the underlying layers on the final disconnect. */
+ cfs_spin_lock(&osd->od_osfs_lock);
+ osd->od_connects--;
+ if (osd->od_connects == 0)
+ release = 1;
+ cfs_spin_unlock(&osd->od_osfs_lock);
+
+ rc = class_disconnect(exp); /* bz 9811 */
+
+ if (rc == 0 && release)
+ class_manual_cleanup(obd);
+ RETURN(rc);
+}
+
static int osd_prepare(const struct lu_env *env, struct lu_device *pdev,
struct lu_device *dev)
{
int result;
ENTRY;
- /* 1. setup scrub, including OI files initialization */
- result = osd_scrub_setup(env, osd);
- if (result < 0)
- RETURN(result);
-
/* 2. setup quota slave instance */
osd->od_quota_slave = qsd_init(env, osd->od_svname, &osd->od_dt_dev,
osd->od_proc_entry);
RETURN(result);
}
- if (!lu_device_is_md(pdev))
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 3, 55, 0)
+ /* Unfortunately, the current MDD implementation relies on some specific
+ * code to be executed in the OSD layer. Since OFD now also uses the OSD
+ * module, we need a way to skip the metadata-specific code when running
+ * with OFD.
+ * The hack here is to check the type of the parent device which is
+ * either MD (i.e. MDD device) with the current MDT stack or DT (i.e.
+ * OFD device) on an OST. As a reminder, obdfilter does not use the OSD
+ * layer and still relies on lvfs. This hack won't work any more when
+ * LOD is landed since LOD is of DT type.
+ * This code should be removed once the orion MDT changes (LOD/OSP, ...)
+ * have been landed */
+ osd->od_is_md = lu_device_is_md(pdev);
+#else
+#warning "all is_md checks must be removed from osd-ldiskfs"
+#endif
+
+ if (!osd->od_is_md)
RETURN(0);
/* 3. setup local objects */
.ldto_device_fini = osd_device_fini
};
-static struct lu_device_type osd_device_type = {
+struct lu_device_type osd_device_type = {
.ldt_tags = LU_DEVICE_DT,
- .ldt_name = LUSTRE_OSD_NAME,
+ .ldt_name = LUSTRE_OSD_LDISKFS_NAME,
.ldt_ops = &osd_device_type_ops,
.ldt_ctx_tags = LCT_LOCAL,
};
* lprocfs legacy support.
*/
static struct obd_ops osd_obd_device_ops = {
- .o_owner = THIS_MODULE
+ .o_owner = THIS_MODULE,
+ .o_connect = osd_obd_connect,
+ .o_disconnect = osd_obd_disconnect
};
static int __init osd_mod_init(void)
osd_oi_mod_init();
lprocfs_osd_init_vars(&lvars);
return class_register_type(&osd_obd_device_ops, NULL, lvars.module_vars,
- LUSTRE_OSD_NAME, &osd_device_type);
+ LUSTRE_OSD_LDISKFS_NAME, &osd_device_type);
}
static void __exit osd_mod_exit(void)
{
- class_unregister_type(LUSTRE_OSD_NAME);
+ class_unregister_type(LUSTRE_OSD_LDISKFS_NAME);
}
MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
-MODULE_DESCRIPTION("Lustre Object Storage Device ("LUSTRE_OSD_NAME")");
+MODULE_DESCRIPTION("Lustre Object Storage Device ("LUSTRE_OSD_LDISKFS_NAME")");
MODULE_LICENSE("GPL");
cfs_module(osd, "0.1.0", osd_mod_init, osd_mod_exit);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff