static int lfsck_update_lma(const struct lu_env *env,
struct lfsck_instance *lfsck, struct dt_object *obj)
{
struct lfsck_thread_info *info = lfsck_env_info(env);
struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram;
struct dt_device *dt = lfsck->li_bottom;
struct lustre_mdt_attrs *lma = &info->lti_lma;
struct lu_buf *buf;
struct thandle *th;
int fl;
int rc;
ENTRY;
if (bk->lb_param & LPF_DRYRUN)
RETURN(0);
buf = lfsck_buf_get(env, info->lti_lma_old, LMA_OLD_SIZE);
rc = dt_xattr_get(env, obj, buf, XATTR_NAME_LMA, BYPASS_CAPA);
if (rc < 0) {
if (rc != -ENODATA)
RETURN(rc);
fl = LU_XATTR_CREATE;
lustre_lma_init(lma, lfsck_dto2fid(obj), LMAC_FID_ON_OST, 0);
} else {
if (rc != LMA_OLD_SIZE && rc != sizeof(struct lustre_mdt_attrs))
RETURN(-EINVAL);
fl = LU_XATTR_REPLACE;
lustre_lma_swab(lma);
lustre_lma_init(lma, lfsck_dto2fid(obj),
lma->lma_compat | LMAC_FID_ON_OST,
lma->lma_incompat);
}
lustre_lma_swab(lma);
th = dt_trans_create(env, dt);
if (IS_ERR(th))
RETURN(PTR_ERR(th));
buf = lfsck_buf_get(env, lma, sizeof(*lma));
rc = dt_declare_xattr_set(env, obj, buf, XATTR_NAME_LMA, fl, th);
if (rc != 0)
GOTO(stop, rc);
rc = dt_trans_start(env, dt, th);
if (rc != 0)
GOTO(stop, rc);
rc = dt_xattr_set(env, obj, buf, XATTR_NAME_LMA, fl, th, BYPASS_CAPA);
GOTO(stop, rc);
stop:
dt_trans_stop(env, dt, th);
return rc;
}
static int lfsck_namespace_store(const struct lu_env *env,
struct lfsck_component *com, bool init)
{
struct dt_object *obj = com->lc_obj;
struct lfsck_instance *lfsck = com->lc_lfsck;
struct thandle *handle;
int len = com->lc_file_size;
int rc;
ENTRY;
lfsck_namespace_cpu_to_le((struct lfsck_namespace *)com->lc_file_disk,
(struct lfsck_namespace *)com->lc_file_ram);
handle = dt_trans_create(env, lfsck->li_bottom);
if (IS_ERR(handle)) {
rc = PTR_ERR(handle);
CERROR("%s: fail to create trans for storing lfsck_namespace: "
"rc = %d\n", lfsck_lfsck2name(lfsck), rc);
RETURN(rc);
}
rc = dt_declare_xattr_set(env, obj,
lfsck_buf_get(env, com->lc_file_disk, len),
XATTR_NAME_LFSCK_NAMESPACE, 0, handle);
if (rc != 0) {
CERROR("%s: fail to declare trans for storing lfsck_namespace: "
"rc = %d\n", lfsck_lfsck2name(lfsck), rc);
GOTO(out, rc);
}
rc = dt_trans_start_local(env, lfsck->li_bottom, handle);
if (rc != 0) {
CERROR("%s: fail to start trans for storing lfsck_namespace: "
"rc = %d\n", lfsck_lfsck2name(lfsck), rc);
GOTO(out, rc);
}
rc = dt_xattr_set(env, obj,
lfsck_buf_get(env, com->lc_file_disk, len),
XATTR_NAME_LFSCK_NAMESPACE,
init ? LU_XATTR_CREATE : LU_XATTR_REPLACE,
handle, BYPASS_CAPA);
if (rc != 0)
CERROR("%s: fail to store lfsck_namespace: len = %d, "
"rc = %d\n", lfsck_lfsck2name(lfsck), len, rc);
GOTO(out, rc);
out:
dt_trans_stop(env, lfsck->li_bottom, handle);
return rc;
}
int lfsck_bookmark_store(const struct lu_env *env, struct lfsck_instance *lfsck)
{
struct thandle *handle;
struct dt_object *obj = lfsck->li_bookmark_obj;
loff_t pos = 0;
int len = sizeof(struct lfsck_bookmark);
int rc;
ENTRY;
lfsck_bookmark_cpu_to_le(&lfsck->li_bookmark_disk,
&lfsck->li_bookmark_ram);
handle = dt_trans_create(env, lfsck->li_bottom);
if (IS_ERR(handle)) {
rc = PTR_ERR(handle);
CERROR("%s: fail to create trans for storing lfsck_bookmark: "
"rc = %d\n", lfsck_lfsck2name(lfsck), rc);
RETURN(rc);
}
rc = dt_declare_record_write(env, obj,
lfsck_buf_get(env,
&lfsck->li_bookmark_disk, len),
0, handle);
if (rc != 0) {
CERROR("%s: fail to declare trans for storing lfsck_bookmark: "
"rc = %d\n", lfsck_lfsck2name(lfsck), rc);
GOTO(out, rc);
}
rc = dt_trans_start_local(env, lfsck->li_bottom, handle);
if (rc != 0) {
CERROR("%s: fail to start trans for storing lfsck_bookmark: "
"rc = %d\n", lfsck_lfsck2name(lfsck), rc);
GOTO(out, rc);
}
rc = dt_record_write(env, obj,
lfsck_buf_get(env, &lfsck->li_bookmark_disk, len),
&pos, handle);
if (rc != 0)
CERROR("%s: fail to store lfsck_bookmark: expected = %d, "
"rc = %d\n", lfsck_lfsck2name(lfsck), len, rc);
GOTO(out, rc);
out:
dt_trans_stop(env, lfsck->li_bottom, handle);
return rc;
}
static int lfsck_bookmark_load(const struct lu_env *env,
struct lfsck_instance *lfsck)
{
loff_t pos = 0;
int len = sizeof(struct lfsck_bookmark);
int rc;
rc = dt_record_read(env, lfsck->li_bookmark_obj,
lfsck_buf_get(env, &lfsck->li_bookmark_disk, len),
&pos);
if (rc == 0) {
struct lfsck_bookmark *bm = &lfsck->li_bookmark_ram;
lfsck_bookmark_le_to_cpu(bm, &lfsck->li_bookmark_disk);
if (bm->lb_magic != LFSCK_BOOKMARK_MAGIC) {
CWARN("%.16s: invalid lfsck_bookmark magic "
"0x%x != 0x%x\n", lfsck_lfsck2name(lfsck),
bm->lb_magic, LFSCK_BOOKMARK_MAGIC);
/* Process it as new lfsck_bookmark. */
rc = -ENODATA;
}
} else {
if (rc == -EFAULT && pos == 0)
/* return -ENODATA for empty lfsck_bookmark. */
rc = -ENODATA;
else
CERROR("%.16s: fail to load lfsck_bookmark, "
"expected = %d, rc = %d\n",
lfsck_lfsck2name(lfsck), len, rc);
}
return rc;
}
/**
* \retval +ve: the lfsck_namespace is broken, the caller should reset it.
* \retval 0: succeed.
* \retval -ve: failed cases.
*/
static int lfsck_namespace_load(const struct lu_env *env,
struct lfsck_component *com)
{
int len = com->lc_file_size;
int rc;
rc = dt_xattr_get(env, com->lc_obj,
lfsck_buf_get(env, com->lc_file_disk, len),
XATTR_NAME_LFSCK_NAMESPACE, BYPASS_CAPA);
if (rc == len) {
struct lfsck_namespace *ns = com->lc_file_ram;
lfsck_namespace_le_to_cpu(ns,
(struct lfsck_namespace *)com->lc_file_disk);
if (ns->ln_magic != LFSCK_NAMESPACE_MAGIC) {
CWARN("%s: invalid lfsck_namespace magic %#x != %#x\n",
lfsck_lfsck2name(com->lc_lfsck), ns->ln_magic,
LFSCK_NAMESPACE_MAGIC);
rc = 1;
} else {
rc = 0;
}
} else if (rc != -ENODATA) {
CERROR("%s: fail to load lfsck_namespace: expected = %d, "
"rc = %d\n", lfsck_lfsck2name(com->lc_lfsck), len, rc);
if (rc >= 0)
rc = 1;
}
return rc;
}
int lfsck_bookmark_store(const struct lu_env *env, struct lfsck_instance *lfsck)
{
struct thandle *handle;
struct dt_object *obj = lfsck->li_bookmark_obj;
struct dt_device *dev = lfsck_obj2dev(obj);
loff_t pos = 0;
int len = sizeof(struct lfsck_bookmark);
int rc;
ENTRY;
lfsck_bookmark_cpu_to_le(&lfsck->li_bookmark_disk,
&lfsck->li_bookmark_ram);
handle = dt_trans_create(env, dev);
if (IS_ERR(handle))
GOTO(log, rc = PTR_ERR(handle));
rc = dt_declare_record_write(env, obj,
lfsck_buf_get(env,
&lfsck->li_bookmark_disk, len),
0, handle);
if (rc != 0)
GOTO(out, rc);
rc = dt_trans_start_local(env, dev, handle);
if (rc != 0)
GOTO(out, rc);
rc = dt_record_write(env, obj,
lfsck_buf_get(env, &lfsck->li_bookmark_disk, len),
&pos, handle);
GOTO(out, rc);
out:
dt_trans_stop(env, dev, handle);
log:
if (rc != 0)
CDEBUG(D_LFSCK, "%s: fail to store lfsck_bookmark: rc = %d\n",
lfsck_lfsck2name(lfsck), rc);
return rc;
}
