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UBI: fix debugging stuff

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Do not check volumes which are currently in use because thay may be
in inconsistent state.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This commit is contained in:
Artem Bityutskiy 2007-06-18 16:29:30 +03:00
parent 94784d9164
commit b89044bfa0
1 changed files with 16 additions and 4 deletions
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20
drivers/mtd/ubi/vmt.c
View file

@ -644,21 +644,33 @@ void ubi_free_volume(struct ubi_device *ubi, int vol_id)
* @ubi: UBI device description object
* @vol_id: volume ID
*/
static void paranoid_check_volume(const struct ubi_device *ubi, int vol_id)
static void paranoid_check_volume(struct ubi_device *ubi, int vol_id)
{
int idx = vol_id2idx(ubi, vol_id);
int reserved_pebs, alignment, data_pad, vol_type, name_len, upd_marker;
const struct ubi_volume *vol = ubi->volumes[idx];
const struct ubi_volume *vol;
long long n;
const char *name;
spin_lock(&ubi->volumes_lock);
reserved_pebs = be32_to_cpu(ubi->vtbl[vol_id].reserved_pebs);
vol = ubi->volumes[idx];
if (!vol) {
if (reserved_pebs) {
ubi_err("no volume info, but volume exists");
goto fail;
}
spin_unlock(&ubi->volumes_lock);
return;
}
if (vol->exclusive) {
/*
* The volume may be being created at the moment, do not check
* it (e.g., it may be in the middle of ubi_create_volume().
*/
spin_unlock(&ubi->volumes_lock);
return;
}
@ -783,12 +795,14 @@ static void paranoid_check_volume(const struct ubi_device *ubi, int vol_id)
goto fail;
}
spin_unlock(&ubi->volumes_lock);
return;
fail:
ubi_err("paranoid check failed for volume %d", vol_id);
ubi_dbg_dump_vol_info(vol);
ubi_dbg_dump_vtbl_record(&ubi->vtbl[vol_id], vol_id);
spin_unlock(&ubi->volumes_lock);
BUG();
}
@ -801,10 +815,8 @@ static void paranoid_check_volumes(struct ubi_device *ubi)
int i;
mutex_lock(&ubi->vtbl_mutex);
spin_lock(&ubi->volumes_lock);
for (i = 0; i < ubi->vtbl_slots; i++)
paranoid_check_volume(ubi, i);
spin_unlock(&ubi->volumes_lock);
mutex_unlock(&ubi->vtbl_mutex);
}
#endif