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path: root/drivers/mtd/ubi/wl.c
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Diffstat (limited to 'drivers/mtd/ubi/wl.c')
-rw-r--r--drivers/mtd/ubi/wl.c80
1 files changed, 42 insertions, 38 deletions
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 6654f191868e..834f6fe1f5fa 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -253,7 +253,7 @@ static int do_work(struct ubi_device *ubi)
*/
err = wrk->func(ubi, wrk, 0);
if (err)
- ubi_err("work failed with error code %d", err);
+ ubi_err(ubi, "work failed with error code %d", err);
up_read(&ubi->work_sem);
return err;
@@ -470,8 +470,11 @@ struct ubi_wl_entry *ubi_wl_get_fm_peb(struct ubi_device *ubi, int anchor)
{
struct ubi_wl_entry *e = NULL;
- if (!ubi->free.rb_node || (ubi->free_count - ubi->beb_rsvd_pebs < 1))
+ if (!ubi->free.rb_node || (ubi->free_count - ubi->beb_rsvd_pebs < 1)) {
+ ubi_warn(ubi, "Can't get peb for fastmap:anchor=%d, free_cnt=%d, reserved=%d",
+ anchor, ubi->free_count, ubi->beb_rsvd_pebs);
goto out;
+ }
if (anchor)
e = find_anchor_wl_entry(&ubi->free);
@@ -507,7 +510,7 @@ static int __wl_get_peb(struct ubi_device *ubi)
retry:
if (!ubi->free.rb_node) {
if (ubi->works_count == 0) {
- ubi_err("no free eraseblocks");
+ ubi_err(ubi, "no free eraseblocks");
ubi_assert(list_empty(&ubi->works));
return -ENOSPC;
}
@@ -520,7 +523,7 @@ retry:
e = find_mean_wl_entry(ubi, &ubi->free);
if (!e) {
- ubi_err("no free eraseblocks");
+ ubi_err(ubi, "no free eraseblocks");
return -ENOSPC;
}
@@ -692,7 +695,8 @@ int ubi_wl_get_peb(struct ubi_device *ubi)
err = ubi_self_check_all_ff(ubi, peb, ubi->vid_hdr_aloffset,
ubi->peb_size - ubi->vid_hdr_aloffset);
if (err) {
- ubi_err("new PEB %d does not contain all 0xFF bytes", peb);
+ ubi_err(ubi, "new PEB %d does not contain all 0xFF bytes",
+ peb);
return err;
}
@@ -760,7 +764,7 @@ static int sync_erase(struct ubi_device *ubi, struct ubi_wl_entry *e,
* Erase counter overflow. Upgrade UBI and use 64-bit
* erase counters internally.
*/
- ubi_err("erase counter overflow at PEB %d, EC %llu",
+ ubi_err(ubi, "erase counter overflow at PEB %d, EC %llu",
e->pnum, ec);
err = -EINVAL;
goto out_free;
@@ -1137,7 +1141,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
goto out_not_moved;
}
- ubi_err("error %d while reading VID header from PEB %d",
+ ubi_err(ubi, "error %d while reading VID header from PEB %d",
err, e1->pnum);
goto out_error;
}
@@ -1181,7 +1185,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
* UBI from trying to move it over and over again.
*/
if (ubi->erroneous_peb_count > ubi->max_erroneous) {
- ubi_err("too many erroneous eraseblocks (%d)",
+ ubi_err(ubi, "too many erroneous eraseblocks (%d)",
ubi->erroneous_peb_count);
goto out_error;
}
@@ -1197,7 +1201,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
/* The PEB has been successfully moved */
if (scrubbing)
- ubi_msg("scrubbed PEB %d (LEB %d:%d), data moved to PEB %d",
+ ubi_msg(ubi, "scrubbed PEB %d (LEB %d:%d), data moved to PEB %d",
e1->pnum, vol_id, lnum, e2->pnum);
ubi_free_vid_hdr(ubi, vid_hdr);
@@ -1212,7 +1216,6 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
err = do_sync_erase(ubi, e1, vol_id, lnum, 0);
if (err) {
- kmem_cache_free(ubi_wl_entry_slab, e1);
if (e2)
kmem_cache_free(ubi_wl_entry_slab, e2);
goto out_ro;
@@ -1226,10 +1229,8 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
dbg_wl("PEB %d (LEB %d:%d) was put meanwhile, erase",
e2->pnum, vol_id, lnum);
err = do_sync_erase(ubi, e2, vol_id, lnum, 0);
- if (err) {
- kmem_cache_free(ubi_wl_entry_slab, e2);
+ if (err)
goto out_ro;
- }
}
dbg_wl("done");
@@ -1265,19 +1266,18 @@ out_not_moved:
ubi_free_vid_hdr(ubi, vid_hdr);
err = do_sync_erase(ubi, e2, vol_id, lnum, torture);
- if (err) {
- kmem_cache_free(ubi_wl_entry_slab, e2);
+ if (err)
goto out_ro;
- }
+
mutex_unlock(&ubi->move_mutex);
return 0;
out_error:
if (vol_id != -1)
- ubi_err("error %d while moving PEB %d to PEB %d",
+ ubi_err(ubi, "error %d while moving PEB %d to PEB %d",
err, e1->pnum, e2->pnum);
else
- ubi_err("error %d while moving PEB %d (LEB %d:%d) to PEB %d",
+ ubi_err(ubi, "error %d while moving PEB %d (LEB %d:%d) to PEB %d",
err, e1->pnum, vol_id, lnum, e2->pnum);
spin_lock(&ubi->wl_lock);
ubi->move_from = ubi->move_to = NULL;
@@ -1458,7 +1458,7 @@ static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
return err;
}
- ubi_err("failed to erase PEB %d, error %d", pnum, err);
+ ubi_err(ubi, "failed to erase PEB %d, error %d", pnum, err);
kfree(wl_wrk);
if (err == -EINTR || err == -ENOMEM || err == -EAGAIN ||
@@ -1486,7 +1486,7 @@ static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
/* It is %-EIO, the PEB went bad */
if (!ubi->bad_allowed) {
- ubi_err("bad physical eraseblock %d detected", pnum);
+ ubi_err(ubi, "bad physical eraseblock %d detected", pnum);
goto out_ro;
}
@@ -1494,7 +1494,7 @@ static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
if (ubi->beb_rsvd_pebs == 0) {
if (ubi->avail_pebs == 0) {
spin_unlock(&ubi->volumes_lock);
- ubi_err("no reserved/available physical eraseblocks");
+ ubi_err(ubi, "no reserved/available physical eraseblocks");
goto out_ro;
}
ubi->avail_pebs -= 1;
@@ -1502,7 +1502,7 @@ static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
}
spin_unlock(&ubi->volumes_lock);
- ubi_msg("mark PEB %d as bad", pnum);
+ ubi_msg(ubi, "mark PEB %d as bad", pnum);
err = ubi_io_mark_bad(ubi, pnum);
if (err)
goto out_ro;
@@ -1523,11 +1523,12 @@ static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
ubi->good_peb_count -= 1;
ubi_calculate_reserved(ubi);
if (available_consumed)
- ubi_warn("no PEBs in the reserved pool, used an available PEB");
+ ubi_warn(ubi, "no PEBs in the reserved pool, used an available PEB");
else if (ubi->beb_rsvd_pebs)
- ubi_msg("%d PEBs left in the reserve", ubi->beb_rsvd_pebs);
+ ubi_msg(ubi, "%d PEBs left in the reserve",
+ ubi->beb_rsvd_pebs);
else
- ubi_warn("last PEB from the reserve was used");
+ ubi_warn(ubi, "last PEB from the reserve was used");
spin_unlock(&ubi->volumes_lock);
return err;
@@ -1613,7 +1614,7 @@ retry:
} else {
err = prot_queue_del(ubi, e->pnum);
if (err) {
- ubi_err("PEB %d not found", pnum);
+ ubi_err(ubi, "PEB %d not found", pnum);
ubi_ro_mode(ubi);
spin_unlock(&ubi->wl_lock);
return err;
@@ -1646,7 +1647,7 @@ int ubi_wl_scrub_peb(struct ubi_device *ubi, int pnum)
{
struct ubi_wl_entry *e;
- ubi_msg("schedule PEB %d for scrubbing", pnum);
+ ubi_msg(ubi, "schedule PEB %d for scrubbing", pnum);
retry:
spin_lock(&ubi->wl_lock);
@@ -1678,7 +1679,7 @@ retry:
err = prot_queue_del(ubi, e->pnum);
if (err) {
- ubi_err("PEB %d not found", pnum);
+ ubi_err(ubi, "PEB %d not found", pnum);
ubi_ro_mode(ubi);
spin_unlock(&ubi->wl_lock);
return err;
@@ -1798,15 +1799,18 @@ int ubi_thread(void *u)
int failures = 0;
struct ubi_device *ubi = u;
- ubi_msg("background thread \"%s\" started, PID %d",
+ ubi_msg(ubi, "background thread \"%s\" started, PID %d",
ubi->bgt_name, task_pid_nr(current));
set_freezable();
for (;;) {
int err;
- if (kthread_should_stop())
+ if (kthread_should_stop()) {
+ ubi_msg(ubi, "background thread \"%s\" should stop, PID %d",
+ ubi->bgt_name, task_pid_nr(current));
break;
+ }
if (try_to_freeze())
continue;
@@ -1823,14 +1827,14 @@ int ubi_thread(void *u)
err = do_work(ubi);
if (err) {
- ubi_err("%s: work failed with error code %d",
+ ubi_err(ubi, "%s: work failed with error code %d",
ubi->bgt_name, err);
if (failures++ > WL_MAX_FAILURES) {
/*
* Too many failures, disable the thread and
* switch to read-only mode.
*/
- ubi_msg("%s: %d consecutive failures",
+ ubi_msg(ubi, "%s: %d consecutive failures",
ubi->bgt_name, WL_MAX_FAILURES);
ubi_ro_mode(ubi);
ubi->thread_enabled = 0;
@@ -1981,10 +1985,10 @@ int ubi_wl_init(struct ubi_device *ubi, struct ubi_attach_info *ai)
#endif
if (ubi->avail_pebs < reserved_pebs) {
- ubi_err("no enough physical eraseblocks (%d, need %d)",
+ ubi_err(ubi, "no enough physical eraseblocks (%d, need %d)",
ubi->avail_pebs, reserved_pebs);
if (ubi->corr_peb_count)
- ubi_err("%d PEBs are corrupted and not used",
+ ubi_err(ubi, "%d PEBs are corrupted and not used",
ubi->corr_peb_count);
goto out_free;
}
@@ -2072,8 +2076,8 @@ static int self_check_ec(struct ubi_device *ubi, int pnum, int ec)
read_ec = be64_to_cpu(ec_hdr->ec);
if (ec != read_ec && read_ec - ec > 1) {
- ubi_err("self-check failed for PEB %d", pnum);
- ubi_err("read EC is %lld, should be %d", read_ec, ec);
+ ubi_err(ubi, "self-check failed for PEB %d", pnum);
+ ubi_err(ubi, "read EC is %lld, should be %d", read_ec, ec);
dump_stack();
err = 1;
} else
@@ -2102,7 +2106,7 @@ static int self_check_in_wl_tree(const struct ubi_device *ubi,
if (in_wl_tree(e, root))
return 0;
- ubi_err("self-check failed for PEB %d, EC %d, RB-tree %p ",
+ ubi_err(ubi, "self-check failed for PEB %d, EC %d, RB-tree %p ",
e->pnum, e->ec, root);
dump_stack();
return -EINVAL;
@@ -2130,7 +2134,7 @@ static int self_check_in_pq(const struct ubi_device *ubi,
if (p == e)
return 0;
- ubi_err("self-check failed for PEB %d, EC %d, Protect queue",
+ ubi_err(ubi, "self-check failed for PEB %d, EC %d, Protect queue",
e->pnum, e->ec);
dump_stack();
return -EINVAL;