{
struct mdt_device *mdt = info->mti_mdt;
struct lu_name *lname = &info->mti_name;
+ const char *start = fileset;
char *filename = info->mti_filename;
struct mdt_object *parent;
u32 mode;
*/
*fid = mdt->mdt_md_root_fid;
- while (rc == 0 && fileset != NULL && *fileset != '\0') {
- const char *s1 = fileset;
+ while (rc == 0 && start != NULL && *start != '\0') {
+ const char *s1 = start;
const char *s2;
while (*++s1 == '/')
if (s2 == s1)
break;
- fileset = s2;
+ start = s2;
lname->ln_namelen = s2 - s1;
if (lname->ln_namelen > NAME_MAX) {
rc = PTR_ERR(parent);
else {
mode = lu_object_attr(&parent->mot_obj);
- mdt_object_put(info->mti_env, parent);
- if (!S_ISDIR(mode))
+ if (!S_ISDIR(mode)) {
rc = -ENOTDIR;
+ } else if (mdt_is_remote_object(info, parent, parent)) {
+ if (!mdt->mdt_enable_remote_subdir_mount) {
+ rc = -EREMOTE;
+ LCONSOLE_WARN("%s: subdir mount '%s' refused because 'enable_remote_subdir_mount=0': rc = %d\n",
+ mdt_obd_name(mdt),
+ fileset, rc);
+ } else {
+ LCONSOLE_INFO("%s: subdir mount '%s' is remote and may be slow\n",
+ mdt_obd_name(mdt),
+ fileset);
+ }
+ }
+ mdt_object_put(info->mti_env, parent);
}
}
rc = mdt_attr_get_complex(info, o, ma);
if (unlikely(rc)) {
- CDEBUG(rc == -ENOENT ? D_OTHER : D_ERROR,
- "%s: getattr error for "DFID": rc = %d\n",
- mdt_obd_name(info->mti_mdt),
- PFID(mdt_object_fid(o)), rc);
+ CDEBUG_LIMIT(rc == -ENOENT ? D_OTHER : D_ERROR,
+ "%s: getattr error for "DFID": rc = %d\n",
+ mdt_obd_name(info->mti_mdt),
+ PFID(mdt_object_fid(o)), rc);
RETURN(rc);
}
if (la->la_flags & LUSTRE_IMMUTABLE_FL)
rc = -EACCES;
- if (md_capable(uc, CFS_CAP_DAC_OVERRIDE))
+ if (md_capable(uc, CAP_DAC_OVERRIDE))
RETURN(0);
if (uc->uc_fsuid == la->la_uid) {
if ((la->la_mode & S_IWUSR) == 0)
exp_max_brw_size(tsi->tsi_exp));
rdpg->rp_npages = (rdpg->rp_count + PAGE_SIZE - 1) >>
PAGE_SHIFT;
- OBD_ALLOC_PTR_ARRAY(rdpg->rp_pages, rdpg->rp_npages);
+ OBD_ALLOC_PTR_ARRAY_LARGE(rdpg->rp_pages, rdpg->rp_npages);
if (rdpg->rp_pages == NULL)
RETURN(-ENOMEM);
for (i = 0; i < rdpg->rp_npages; i++)
if (rdpg->rp_pages[i] != NULL)
__free_page(rdpg->rp_pages[i]);
- OBD_FREE_PTR_ARRAY(rdpg->rp_pages, rdpg->rp_npages);
+ OBD_FREE_PTR_ARRAY_LARGE(rdpg->rp_pages, rdpg->rp_npages);
if (OBD_FAIL_CHECK(OBD_FAIL_MDS_SENDPAGE))
RETURN(0);
m->mdt_enable_chprojid_gid = 0;
m->mdt_enable_remote_rename = 1;
m->mdt_dir_restripe_nsonly = 1;
+ m->mdt_enable_remote_subdir_mount = 1;
atomic_set(&m->mdt_mds_mds_conns, 0);
atomic_set(&m->mdt_async_commit_count, 0);
LDLM_NAMESPACE_SERVER,
LDLM_NAMESPACE_GREEDY,
LDLM_NS_TYPE_MDT);
- if (m->mdt_namespace == NULL)
- GOTO(err_fini_seq, rc = -ENOMEM);
+ if (IS_ERR(m->mdt_namespace)) {
+ rc = PTR_ERR(m->mdt_namespace);
+ CERROR("%s: unable to create server namespace: rc = %d\n",
+ obd->obd_name, rc);
+ m->mdt_namespace = NULL;
+ GOTO(err_fini_seq, rc);
+ }
m->mdt_namespace->ns_lvbp = m;
m->mdt_namespace->ns_lvbo = &mdt_lvbo;
if (OCD_HAS_FLAG(data, CKSUM)) {
__u32 cksum_types = data->ocd_cksum_types;
- /* 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 &=
- obd_cksum_types_supported_server(obd_name);
+ tgt_mask_cksum_types(&mdt->mdt_lut, &data->ocd_cksum_types);
if (unlikely(data->ocd_cksum_types == 0)) {
CERROR("%s: Connect with checksum support but no "
struct getinfo_fid2path *fp,
struct lu_fid *root_fid)
{
- struct mdt_device *mdt = info->mti_mdt;
- struct mdt_object *mdt_obj;
- struct link_ea_header *leh;
- struct link_ea_entry *lee;
- struct lu_name *tmpname = &info->mti_name;
- struct lu_fid *tmpfid = &info->mti_tmp_fid1;
- struct lu_buf *buf = &info->mti_big_buf;
- char *ptr;
- int reclen;
- struct linkea_data ldata = { NULL };
- int rc = 0;
- bool first = true;
+ struct mdt_device *mdt = info->mti_mdt;
+ struct lu_name *tmpname = &info->mti_name;
+ struct lu_fid *tmpfid = &info->mti_tmp_fid1;
+ struct lu_buf *buf = &info->mti_big_buf;
+ struct md_attr *ma = &info->mti_attr;
+ struct linkea_data ldata = { NULL };
+ bool first = true;
+ struct mdt_object *mdt_obj;
+ struct link_ea_header *leh;
+ struct link_ea_entry *lee;
+ char *ptr;
+ int reclen;
+ int rc = 0;
+
ENTRY;
/* temp buffer for path element, the buffer will be finally freed
*tmpfid = fp->gf_fid = *mdt_object_fid(obj);
while (!lu_fid_eq(root_fid, &fp->gf_fid)) {
- struct lu_buf lmv_buf;
-
if (!lu_fid_eq(root_fid, &mdt->mdt_md_root_fid) &&
lu_fid_eq(&mdt->mdt_md_root_fid, &fp->gf_fid))
GOTO(out, rc = -ENOENT);
fp->gf_linkno++;
}
- lmv_buf.lb_buf = info->mti_xattr_buf;
- lmv_buf.lb_len = sizeof(info->mti_xattr_buf);
/* Check if it is slave stripes */
- rc = mo_xattr_get(info->mti_env, mdt_object_child(mdt_obj),
- &lmv_buf, XATTR_NAME_LMV);
+ rc = mdt_stripe_get(info, mdt_obj, ma, XATTR_NAME_LMV);
mdt_object_put(info->mti_env, mdt_obj);
- if (rc > 0) {
- union lmv_mds_md *lmm = lmv_buf.lb_buf;
+ if (rc < 0)
+ GOTO(out, rc);
+
+ if (ma->ma_valid & MA_LMV) {
+ struct lmv_mds_md_v1 *lmv = &ma->ma_lmv->lmv_md_v1;
+
+ if (!lmv_is_sane2(lmv))
+ GOTO(out, rc = -EBADF);
/* For slave stripes, get its master */
- if (le32_to_cpu(lmm->lmv_magic) == LMV_MAGIC_STRIPE) {
+ if (le32_to_cpu(lmv->lmv_magic) == LMV_MAGIC_STRIPE) {
fp->gf_fid = *tmpfid;
continue;
}
- } else if (rc < 0 && rc != -ENODATA) {
- GOTO(out, rc);
}
/* Pack the name in the end of the buffer */
return mdt->mdt_opts.mo_cos != 0;
}
-static struct lu_device_type_operations mdt_device_type_ops = {
- .ldto_device_alloc = mdt_device_alloc,
- .ldto_device_free = mdt_device_free,
- .ldto_device_fini = mdt_device_fini
+static const struct lu_device_type_operations mdt_device_type_ops = {
+ .ldto_device_alloc = mdt_device_alloc,
+ .ldto_device_free = mdt_device_free,
+ .ldto_device_fini = mdt_device_fini
};
static struct lu_device_type mdt_device_type = {
if (rc)
GOTO(lu_fini, rc);
- rc = class_register_type(&mdt_obd_device_ops, NULL, true, NULL,
+ rc = class_register_type(&mdt_obd_device_ops, NULL, true,
LUSTRE_MDT_NAME, &mdt_device_type);
if (rc)
GOTO(mds_fini, rc);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff