* GPL HEADER END
*/
/*
- * Copyright (c) 2012, 2013, Intel Corporation.
+ * Copyright (c) 2013, 2014, Intel Corporation.
*/
/*
* lustre/lfsck/lfsck_namespace.c
int rc = 0;
ENTRY;
- LASSERT(!dt_object_remote(obj));
-
th = dt_trans_create(env, dev);
if (IS_ERR(th))
GOTO(log, rc = PTR_ERR(th));
* \param[in] env pointer to the thread context
* \param[in] com pointer to the lfsck component
* \param[in] obj pointer to the dt_object to be handled
- * \param[in,out] nlink pointer to buffer to object's hard lock count before
+ * \param[in,out] la pointer to buffer to object's attribute before
* and after the repairing
*
* \retval positive number for repaired cases
*/
static int lfsck_namespace_repair_nlink(const struct lu_env *env,
struct lfsck_component *com,
- struct dt_object *obj, __u32 *nlink)
+ struct dt_object *obj,
+ struct lu_attr *la)
{
struct lfsck_thread_info *info = lfsck_env_info(env);
- struct lu_attr *la = &info->lti_la3;
struct lu_fid *tfid = &info->lti_fid3;
struct lfsck_namespace *ns = com->lc_file_ram;
struct lfsck_instance *lfsck = com->lc_lfsck;
struct thandle *th = NULL;
struct linkea_data ldata = { 0 };
struct lustre_handle lh = { 0 };
- __u32 old = *nlink;
+ __u32 old = la->la_nlink;
int rc = 0;
__u8 flags;
ENTRY;
if (flags & LNTF_SKIP_NLINK)
GOTO(unlock, rc = 0);
- rc = lfsck_links_read2(env, child, &ldata);
- if (rc == -ENODATA)
- GOTO(unlock, rc = 0);
+ rc = dt_attr_get(env, child, la, BYPASS_CAPA);
+ if (rc != 0)
+ GOTO(unlock, rc = (rc == -ENOENT ? 0 : rc));
+ rc = lfsck_links_read2(env, child, &ldata);
if (rc != 0)
- GOTO(unlock, rc);
+ GOTO(unlock, rc = (rc == -ENODATA ? 0 : rc));
- if (*nlink == ldata.ld_leh->leh_reccount)
+ if (la->la_nlink == ldata.ld_leh->leh_reccount ||
+ unlikely(la->la_nlink == 0))
GOTO(unlock, rc = 0);
- la->la_nlink = *nlink = ldata.ld_leh->leh_reccount;
+ la->la_nlink = ldata.ld_leh->leh_reccount;
if (lfsck->li_bookmark_ram.lb_param & LPF_DRYRUN)
GOTO(unlock, rc = 1);
CDEBUG(D_LFSCK, "%s: namespace LFSCK repaired the object "DFID"'s "
"nlink count from %u to %u: rc = %d\n",
- lfsck_lfsck2name(lfsck), PFID(cfid), old, *nlink, rc);
+ lfsck_lfsck2name(lfsck), PFID(cfid), old, la->la_nlink, rc);
if (rc != 0)
ns->ln_flags |= LF_INCONSISTENT;
count = ldata.ld_leh->leh_reccount;
}
- /* If the LFSCK is marked as LF_INCOMPLETE, then means some
- * MDT has ever tried to verify some remote MDT-object that
- * resides on this MDT, but this MDT failed to respond such
- * request. So means there may be some remote name entry on
- * other MDT that references this object with another name,
- * so we cannot know whether this linkEA is valid or not.
- * So keep it there and maybe resolved when next LFSCK run. */
- if (count == 0 && !(ns->ln_flags & LF_INCOMPLETE)) {
- /* If the child becomes orphan, then insert it into
- * the global .lustre/lost+found/MDTxxxx directory. */
- rc = lfsck_namespace_insert_orphan(env, com, child, "", "O",
- &count);
- if (rc < 0)
- return rc;
+ if (count == 0) {
+ /* If the LFSCK is marked as LF_INCOMPLETE, then means some
+ * MDT has ever tried to verify some remote MDT-object that
+ * resides on this MDT, but this MDT failed to respond such
+ * request. So means there may be some remote name entry on
+ * other MDT that references this object with another name,
+ * so we cannot know whether this linkEA is valid or not.
+ * So keep it there and maybe resolved when next LFSCK run. */
+ if (!(ns->ln_flags & LF_INCOMPLETE)) {
+ /* If the child becomes orphan, then insert it into
+ * the global .lustre/lost+found/MDTxxxx directory. */
+ rc = lfsck_namespace_insert_orphan(env, com, child,
+ "", "O", &count);
+ if (rc < 0)
+ return rc;
- if (rc > 0) {
- ns->ln_mul_ref_repaired++;
- repaired = true;
+ if (rc > 0) {
+ ns->ln_mul_ref_repaired++;
+ repaired = true;
+ }
}
- }
-
- rc = dt_attr_get(env, child, la, BYPASS_CAPA);
- if (rc != 0)
- return rc;
+ } else {
+ rc = dt_attr_get(env, child, la, BYPASS_CAPA);
+ if (rc != 0)
+ return rc;
- if (la->la_nlink != count) {
- rc = lfsck_namespace_repair_nlink(env, com, child,
- &la->la_nlink);
- if (rc > 0) {
- ns->ln_objs_nlink_repaired++;
- rc = 0;
+ if (la->la_nlink != 0 && la->la_nlink != count) {
+ rc = lfsck_namespace_repair_nlink(env, com, child, la);
+ if (rc > 0) {
+ ns->ln_objs_nlink_repaired++;
+ rc = 0;
+ }
}
}
struct lfsck_component *com,
struct lu_dirent *ent, __u16 type)
{
- struct lfsck_assistant_data *lad = com->lc_data;
+ struct lfsck_assistant_data *lad = com->lc_data;
+ struct lfsck_instance *lfsck = com->lc_lfsck;
struct lfsck_namespace_req *lnr;
- bool wakeup = false;
+ struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram;
+ struct ptlrpc_thread *mthread = &lfsck->li_thread;
+ struct ptlrpc_thread *athread = &lad->lad_thread;
+ struct l_wait_info lwi = { 0 };
+ bool wakeup = false;
+
+ l_wait_event(mthread->t_ctl_waitq,
+ bk->lb_async_windows == 0 ||
+ lad->lad_prefetched < bk->lb_async_windows ||
+ !thread_is_running(mthread) ||
+ thread_is_stopped(athread),
+ &lwi);
+
+ if (unlikely(!thread_is_running(mthread)) ||
+ thread_is_stopped(athread))
+ return 0;
+
+ if (unlikely(lfsck_is_dead_obj(lfsck->li_obj_dir)))
+ return 0;
lnr = lfsck_namespace_assistant_req_init(com->lc_lfsck, ent, type);
if (IS_ERR(lnr)) {
lfsck->li_time_last_checkpoint;
__u64 checked = ns->ln_items_checked + com->lc_new_checked;
__u64 speed = checked;
- __u64 new_checked = msecs_to_jiffies(com->lc_new_checked *
- MSEC_PER_SEC);
+ __u64 new_checked = com->lc_new_checked *
+ msecs_to_jiffies(MSEC_PER_SEC);
__u32 rtime = ns->ln_run_time_phase1 +
cfs_duration_sec(duration + HALF_SEC);
com->lc_new_checked;
__u64 speed1 = ns->ln_items_checked;
__u64 speed2 = checked;
- __u64 new_checked = msecs_to_jiffies(com->lc_new_checked *
- MSEC_PER_SEC);
+ __u64 new_checked = com->lc_new_checked *
+ msecs_to_jiffies(MSEC_PER_SEC);
__u32 rtime = ns->ln_run_time_phase2 +
cfs_duration_sec(duration + HALF_SEC);