static const char dot[] = ".";
static const char dotdot[] = "..";
+static const char dotlustre[] = ".lustre";
+static const char lostfound[] = "lost+found";
static int lfsck_create_lpf_local(const struct lu_env *env,
struct lfsck_instance *lfsck,
struct dt_device *dev = lfsck->li_bottom;
struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram;
struct dt_object *bk_obj = lfsck->li_bookmark_obj;
- const struct lu_fid *cfid = lu_object_fid(&child->do_lu);
+ const struct lu_fid *cfid = lfsck_dto2fid(child);
struct thandle *th = NULL;
+ struct linkea_data ldata = { 0 };
+ struct lu_buf linkea_buf;
+ const struct lu_name *cname;
loff_t pos = 0;
int len = sizeof(struct lfsck_bookmark);
- int rc = 0;
+ int rc;
ENTRY;
+ rc = linkea_data_new(&ldata,
+ &lfsck_env_info(env)->lti_linkea_buf);
+ if (rc != 0)
+ RETURN(rc);
+
+ cname = lfsck_name_get_const(env, name, strlen(name));
+ rc = linkea_add_buf(&ldata, cname, lfsck_dto2fid(parent));
+ if (rc != 0)
+ RETURN(rc);
+
th = dt_trans_create(env, dev);
if (IS_ERR(th))
RETURN(PTR_ERR(th));
if (rc != 0)
GOTO(stop, rc);
- /* 3a. insert name into parent dir */
+ /* 3a. insert linkEA for child */
+ linkea_buf.lb_buf = ldata.ld_buf->lb_buf;
+ linkea_buf.lb_len = ldata.ld_leh->leh_len;
+ rc = dt_declare_xattr_set(env, child, &linkea_buf,
+ XATTR_NAME_LINK, 0, th);
+ if (rc != 0)
+ GOTO(stop, rc);
+
+ /* 4a. insert name into parent dir */
rc = dt_declare_insert(env, parent, (const struct dt_rec *)cfid,
(const struct dt_key *)name, th);
if (rc != 0)
GOTO(stop, rc);
- /* 4a. increase parent nlink */
+ /* 5a. increase parent nlink */
rc = dt_declare_ref_add(env, parent, th);
if (rc != 0)
GOTO(stop, rc);
- /* 5a. update bookmark */
+ /* 6a. update bookmark */
rc = dt_declare_record_write(env, bk_obj,
lfsck_buf_get(env, bk, len), 0, th);
if (rc != 0)
GOTO(stop, rc);
dt_write_lock(env, child, 0);
- /* 1b.1 create child */
+ /* 1b.1. create child */
rc = dt_create(env, child, la, NULL, dof, th);
if (rc != 0)
GOTO(unlock, rc);
if (unlikely(!dt_try_as_dir(env, child)))
GOTO(unlock, rc = -ENOTDIR);
- /* 1b.2 insert dot into child dir */
+ /* 1b.2. insert dot into child dir */
rc = dt_insert(env, child, (const struct dt_rec *)cfid,
(const struct dt_key *)dot, th, BYPASS_CAPA, 1);
if (rc != 0)
GOTO(unlock, rc);
- /* 1b.3 insert dotdot into child dir */
+ /* 1b.3. insert dotdot into child dir */
rc = dt_insert(env, child, (const struct dt_rec *)&LU_LPF_FID,
(const struct dt_key *)dotdot, th, BYPASS_CAPA, 1);
if (rc != 0)
/* 2b. increase child nlink */
rc = dt_ref_add(env, child, th);
+ if (rc != 0)
+ GOTO(unlock, rc);
+
+ /* 3b. insert linkEA for child. */
+ rc = dt_xattr_set(env, child, &linkea_buf,
+ XATTR_NAME_LINK, 0, th, BYPASS_CAPA);
dt_write_unlock(env, child);
if (rc != 0)
GOTO(stop, rc);
- /* 3b. insert name into parent dir */
+ /* 4b. insert name into parent dir */
rc = dt_insert(env, parent, (const struct dt_rec *)cfid,
(const struct dt_key *)name, th, BYPASS_CAPA, 1);
if (rc != 0)
GOTO(stop, rc);
dt_write_lock(env, parent, 0);
- /* 4b. increase parent nlink */
+ /* 5b. increase parent nlink */
rc = dt_ref_add(env, parent, th);
dt_write_unlock(env, parent);
if (rc != 0)
bk->lb_lpf_fid = *cfid;
lfsck_bookmark_cpu_to_le(&lfsck->li_bookmark_disk, bk);
- /* 5b. update bookmark */
+ /* 6b. update bookmark */
rc = dt_record_write(env, bk_obj,
lfsck_buf_get(env, bk, len), &pos, th);
{
struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram;
struct dt_object *bk_obj = lfsck->li_bookmark_obj;
- const struct lu_fid *cfid = lu_object_fid(&child->do_lu);
+ const struct lu_fid *cfid = lfsck_dto2fid(child);
struct thandle *th = NULL;
+ struct linkea_data ldata = { 0 };
+ struct lu_buf linkea_buf;
+ const struct lu_name *cname;
struct dt_device *dev;
loff_t pos = 0;
int len = sizeof(struct lfsck_bookmark);
- int rc = 0;
+ int rc;
ENTRY;
+ rc = linkea_data_new(&ldata,
+ &lfsck_env_info(env)->lti_linkea_buf);
+ if (rc != 0)
+ RETURN(rc);
+
+ cname = lfsck_name_get_const(env, name, strlen(name));
+ rc = linkea_add_buf(&ldata, cname, lfsck_dto2fid(parent));
+ if (rc != 0)
+ RETURN(rc);
+
/* Create .lustre/lost+found/MDTxxxx. */
/* XXX: Currently, cross-MDT create operation needs to create the child
* To avoid more inconsistency, we split the create operation into
* two transactions:
*
- * 1) create the child locally.
+ * 1) create the child and update the lfsck_bookmark::lb_lpf_fid
+ * locally.
* 2) insert the name "MDTXXXX" in the parent ".lustre/lost+found"
- * remotely and update the lfsck_bookmark::lb_lpf_fid locally.
+ * remotely.
*
- * If 1) done but 2) failed, then the worst case is that we lose
- * one object locally, which is not a big issue. (can be repaird
- * by LFSCK phase III) */
+ * If 1) done, but 2) failed, then go ahead, the LFSCK will try to
+ * repair such inconsistency when LFSCK run next time. */
- /* Transaction I: */
+ /* Transaction I: locally */
dev = lfsck->li_bottom;
th = dt_trans_create(env, dev);
if (IS_ERR(th))
RETURN(PTR_ERR(th));
- /* 1a. create child locally. */
+ /* 1a. create child */
rc = dt_declare_create(env, child, la, NULL, dof, th);
if (rc != 0)
GOTO(stop, rc);
- /* 2a. increase child nlink locally. */
+ /* 2a. increase child nlink */
rc = dt_declare_ref_add(env, child, th);
if (rc != 0)
GOTO(stop, rc);
+ /* 3a. insert linkEA for child */
+ linkea_buf.lb_buf = ldata.ld_buf->lb_buf;
+ linkea_buf.lb_len = ldata.ld_leh->leh_len;
+ rc = dt_declare_xattr_set(env, child, &linkea_buf,
+ XATTR_NAME_LINK, 0, th);
+ if (rc != 0)
+ GOTO(stop, rc);
+
+ /* 4a. update bookmark */
+ rc = dt_declare_record_write(env, bk_obj,
+ lfsck_buf_get(env, bk, len), 0, th);
+ if (rc != 0)
+ GOTO(stop, rc);
+
rc = dt_trans_start_local(env, dev, th);
if (rc != 0)
GOTO(stop, rc);
dt_write_lock(env, child, 0);
- /* 1b. create child locally. */
+ /* 1b.1. create child */
rc = dt_create(env, child, la, NULL, dof, th);
if (rc != 0)
GOTO(unlock, rc);
if (unlikely(!dt_try_as_dir(env, child)))
GOTO(unlock, rc = -ENOTDIR);
- /* 2b.1 insert dot into child dir locally. */
+ /* 1b.2. insert dot into child dir */
rc = dt_insert(env, child, (const struct dt_rec *)cfid,
(const struct dt_key *)dot, th, BYPASS_CAPA, 1);
if (rc != 0)
GOTO(unlock, rc);
- /* 2b.2 insert dotdot into child dir locally. */
+ /* 1b.3. insert dotdot into child dir */
rc = dt_insert(env, child, (const struct dt_rec *)&LU_LPF_FID,
(const struct dt_key *)dotdot, th, BYPASS_CAPA, 1);
if (rc != 0)
GOTO(unlock, rc);
- /* 2b.3 increase child nlink locally. */
+ /* 2b. increase child nlink */
rc = dt_ref_add(env, child, th);
+ if (rc != 0)
+ GOTO(unlock, rc);
+
+ /* 3b. insert linkEA for child */
+ rc = dt_xattr_set(env, child, &linkea_buf,
+ XATTR_NAME_LINK, 0, th, BYPASS_CAPA);
+ if (rc != 0)
+ GOTO(unlock, rc);
+
+ bk->lb_lpf_fid = *cfid;
+ lfsck_bookmark_cpu_to_le(&lfsck->li_bookmark_disk, bk);
+
+ /* 4b. update bookmark */
+ rc = dt_record_write(env, bk_obj,
+ lfsck_buf_get(env, bk, len), &pos, th);
+
dt_write_unlock(env, child);
dt_trans_stop(env, dev, th);
if (rc != 0)
RETURN(rc);
- /* Transaction II: */
+ /* Transaction II: remotely */
dev = lfsck->li_next;
th = dt_trans_create(env, dev);
if (IS_ERR(th))
RETURN(PTR_ERR(th));
- /* 3a. insert name into parent dir remotely. */
+ /* 5a. insert name into parent dir */
rc = dt_declare_insert(env, parent, (const struct dt_rec *)cfid,
(const struct dt_key *)name, th);
if (rc != 0)
GOTO(stop, rc);
- /* 4a. increase parent nlink remotely. */
+ /* 6a. increase parent nlink */
rc = dt_declare_ref_add(env, parent, th);
if (rc != 0)
GOTO(stop, rc);
- /* 5a. decrease child nlink for dotdot locally if former remote
- * update failed. */
- rc = dt_declare_ref_del(env, child, th);
- if (rc != 0)
- GOTO(stop, rc);
-
- /* 6a. decrease child nlink for dot locally if former remote
- * update failed. */
- rc = dt_declare_ref_del(env, child, th);
- if (rc != 0)
- GOTO(stop, rc);
-
- /* 7a. destroy child locally if former remote update failed. */
- rc = dt_declare_destroy(env, child, th);
- if (rc != 0)
- GOTO(stop, rc);
-
- /* 8a. update bookmark locally. */
- rc = dt_declare_record_write(env, bk_obj,
- lfsck_buf_get(env, bk, len), 0, th);
- if (rc != 0)
- GOTO(stop, rc);
-
rc = dt_trans_start(env, dev, th);
if (rc != 0)
GOTO(stop, rc);
- /* 3b. insert name into parent dir remotely. */
+ /* 5b. insert name into parent dir */
rc = dt_insert(env, parent, (const struct dt_rec *)cfid,
(const struct dt_key *)name, th, BYPASS_CAPA, 1);
- if (rc == 0) {
- dt_write_lock(env, parent, 0);
- /* 4b. increase parent nlink remotely. */
- rc = dt_ref_add(env, parent, th);
- dt_write_unlock(env, parent);
- }
- if (rc != 0) {
- /* 5b. decrease child nlink for dotdot locally. */
- dt_ref_del(env, child, th);
- /* 6b. decrease child nlink for dot locally. */
- dt_ref_del(env, child, th);
- /* 7b. destroy child locally. */
- dt_destroy(env, child, th);
+ if (rc != 0)
GOTO(stop, rc);
- }
-
- bk->lb_lpf_fid = *cfid;
- lfsck_bookmark_cpu_to_le(&lfsck->li_bookmark_disk, bk);
- /* 8b. update bookmark locally. */
- rc = dt_record_write(env, bk_obj,
- lfsck_buf_get(env, bk, len), &pos, th);
+ dt_write_lock(env, parent, 0);
+ /* 6b. increase parent nlink */
+ rc = dt_ref_add(env, parent, th);
+ dt_write_unlock(env, parent);
GOTO(stop, rc);
stop:
dt_trans_stop(env, dev, th);
+ if (rc != 0 && dev == lfsck->li_next)
+ CDEBUG(D_LFSCK, "%s: partially created the object "DFID
+ "for orphans, but failed to insert the name %s "
+ "to the .lustre/lost+found/. Such inconsistency "
+ "will be repaired when LFSCK run next time: rc = %d\n",
+ lfsck_lfsck2name(lfsck), PFID(cfid), name, rc);
+
return rc;
}
if (dt_object_exists(child) != 0) {
if (unlikely(!dt_try_as_dir(env, child)))
- GOTO(unlock, rc = -ENOTDIR);
+ rc = -ENOTDIR;
+ else
+ lfsck->li_lpf_obj = child;
- lfsck->li_lpf_obj = child;
- GOTO(unlock, rc = 0);
+ GOTO(unlock, rc);
}
memset(la, 0, sizeof(*la));
{
struct lfsck_instance *lfsck;
struct dt_object *root = NULL;
- struct dt_object *obj;
+ struct dt_object *obj = NULL;
struct lu_fid *fid = &lfsck_env_info(env)->lti_fid;
int rc;
ENTRY;
fid->f_seq = FID_SEQ_LOCAL_NAME;
fid->f_oid = 1;
fid->f_ver = 0;
- rc = local_oid_storage_init(env, lfsck->li_bottom, fid, &lfsck->li_los);
+ rc = local_oid_storage_init(env, key, fid, &lfsck->li_los);
if (rc != 0)
GOTO(out, rc);
if (rc != 0)
GOTO(out, rc);
- root = dt_locate(env, lfsck->li_bottom, fid);
+ root = dt_locate(env, key, fid);
if (IS_ERR(root))
GOTO(out, rc = PTR_ERR(root));
lfsck->li_local_root_fid = *fid;
if (master) {
lfsck->li_master = 1;
- if (lfsck_dev_idx(lfsck->li_bottom) == 0) {
+ if (lfsck_dev_idx(key) == 0) {
+ struct lu_fid *pfid = &lfsck_env_info(env)->lti_fid2;
+ const struct lu_name *cname;
+
rc = dt_lookup(env, root,
(struct dt_rec *)(&lfsck->li_global_root_fid),
(const struct dt_key *)"ROOT", BYPASS_CAPA);
if (rc != 0)
GOTO(out, rc);
+
+ obj = dt_locate(env, key, &lfsck->li_global_root_fid);
+ if (IS_ERR(obj))
+ GOTO(out, rc = PTR_ERR(obj));
+
+ rc = dt_lookup(env, obj, (struct dt_rec *)fid,
+ (const struct dt_key *)dotlustre, BYPASS_CAPA);
+ if (rc != 0)
+ GOTO(out, rc);
+
+ lu_object_put(env, &obj->do_lu);
+ obj = dt_locate(env, key, fid);
+ if (IS_ERR(obj))
+ GOTO(out, rc = PTR_ERR(obj));
+
+ cname = lfsck_name_get_const(env, dotlustre,
+ strlen(dotlustre));
+ rc = lfsck_verify_linkea(env, key, obj, cname,
+ &lfsck->li_global_root_fid);
+ if (rc != 0)
+ GOTO(out, rc);
+
+ *pfid = *fid;
+ rc = dt_lookup(env, obj, (struct dt_rec *)fid,
+ (const struct dt_key *)lostfound,
+ BYPASS_CAPA);
+ if (rc != 0)
+ GOTO(out, rc);
+
+ lu_object_put(env, &obj->do_lu);
+ obj = dt_locate(env, key, fid);
+ if (IS_ERR(obj))
+ GOTO(out, rc = PTR_ERR(obj));
+
+ cname = lfsck_name_get_const(env, lostfound,
+ strlen(lostfound));
+ rc = lfsck_verify_linkea(env, key, obj, cname, pfid);
+ if (rc != 0)
+ GOTO(out, rc);
+
+ lu_object_put(env, &obj->do_lu);
+ obj = NULL;
}
}
fid->f_seq = FID_SEQ_LOCAL_FILE;
fid->f_oid = OTABLE_IT_OID;
fid->f_ver = 0;
- obj = dt_locate(env, lfsck->li_bottom, fid);
+ obj = dt_locate(env, key, fid);
if (IS_ERR(obj))
GOTO(out, rc = PTR_ERR(obj));
+ lu_object_get(&obj->do_lu);
lfsck->li_obj_oit = obj;
rc = obj->do_ops->do_index_try(env, obj, &dt_otable_features);
- if (rc != 0) {
- if (rc == -ENOTSUPP)
- GOTO(add, rc = 0);
-
+ if (rc != 0)
GOTO(out, rc);
- }
rc = lfsck_bookmark_setup(env, lfsck);
if (rc != 0)
/* XXX: more LFSCK components initialization to be added here. */
-add:
rc = lfsck_instance_add(lfsck);
if (rc == 0)
rc = lfsck_add_target_from_orphan(env, lfsck);
out:
+ if (obj != NULL && !IS_ERR(obj))
+ lu_object_put(env, &obj->do_lu);
if (root != NULL && !IS_ERR(root))
lu_object_put(env, &root->do_lu);
if (rc != 0)
git://git.whamcloud.com / fs / lustre-release.git / blobdiff