UBI: improve debugging messages
Various minor improvements to the debugging messages which
I found useful while hunting problems.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
index 1024c10..9a2b217 100644
--- a/drivers/mtd/ubi/cdev.c
+++ b/drivers/mtd/ubi/cdev.c
@@ -113,7 +113,8 @@
else
mode = UBI_READONLY;
- dbg_gen("open volume %d, mode %d", vol_id, mode);
+ dbg_gen("open device %d, volume %d, mode %d",
+ ubi_num, vol_id, mode);
desc = ubi_open_volume(ubi_num, vol_id, mode);
if (IS_ERR(desc))
@@ -128,7 +129,8 @@
struct ubi_volume_desc *desc = file->private_data;
struct ubi_volume *vol = desc->vol;
- dbg_gen("release volume %d, mode %d", vol->vol_id, desc->mode);
+ dbg_gen("release device %d, volume %d, mode %d",
+ vol->ubi->ubi_num, vol->vol_id, desc->mode);
if (vol->updating) {
ubi_warn("update of volume %d not finished, volume is damaged",
diff --git a/drivers/mtd/ubi/kapi.c b/drivers/mtd/ubi/kapi.c
index 4abbe57..2675207 100644
--- a/drivers/mtd/ubi/kapi.c
+++ b/drivers/mtd/ubi/kapi.c
@@ -106,7 +106,7 @@
struct ubi_device *ubi;
struct ubi_volume *vol;
- dbg_gen("open device %d volume %d, mode %d", ubi_num, vol_id, mode);
+ dbg_gen("open device %d, volume %d, mode %d", ubi_num, vol_id, mode);
if (ubi_num < 0 || ubi_num >= UBI_MAX_DEVICES)
return ERR_PTR(-EINVAL);
@@ -196,6 +196,8 @@
kfree(desc);
out_put_ubi:
ubi_put_device(ubi);
+ dbg_err("cannot open device %d, volume %d, error %d",
+ ubi_num, vol_id, err);
return ERR_PTR(err);
}
EXPORT_SYMBOL_GPL(ubi_open_volume);
@@ -215,7 +217,7 @@
struct ubi_device *ubi;
struct ubi_volume_desc *ret;
- dbg_gen("open volume %s, mode %d", name, mode);
+ dbg_gen("open device %d, volume %s, mode %d", ubi_num, name, mode);
if (!name)
return ERR_PTR(-EINVAL);
@@ -266,7 +268,8 @@
struct ubi_volume *vol = desc->vol;
struct ubi_device *ubi = vol->ubi;
- dbg_gen("close volume %d, mode %d", vol->vol_id, desc->mode);
+ dbg_gen("close device %d, volume %d, mode %d",
+ ubi->ubi_num, vol->vol_id, desc->mode);
spin_lock(&ubi->volumes_lock);
switch (desc->mode) {
diff --git a/drivers/mtd/ubi/vmt.c b/drivers/mtd/ubi/vmt.c
index 328c124..419599d 100644
--- a/drivers/mtd/ubi/vmt.c
+++ b/drivers/mtd/ubi/vmt.c
@@ -232,8 +232,8 @@
req->vol_id = vol_id;
}
- dbg_gen("volume ID %d, %llu bytes, type %d, name %s",
- vol_id, (unsigned long long)req->bytes,
+ dbg_gen("create device %d, volume %d, %llu bytes, type %d, name %s",
+ ubi->ubi_num, vol_id, (unsigned long long)req->bytes,
(int)req->vol_type, req->name);
/* Ensure that this volume does not exist */
@@ -412,7 +412,7 @@
struct ubi_device *ubi = vol->ubi;
int i, err, vol_id = vol->vol_id, reserved_pebs = vol->reserved_pebs;
- dbg_gen("remove UBI volume %d", vol_id);
+ dbg_gen("remove device %d, volume %d", ubi->ubi_num, vol_id);
ubi_assert(desc->mode == UBI_EXCLUSIVE);
ubi_assert(vol == ubi->volumes[vol_id]);
@@ -498,8 +498,8 @@
if (ubi->ro_mode)
return -EROFS;
- dbg_gen("re-size volume %d to from %d to %d PEBs",
- vol_id, vol->reserved_pebs, reserved_pebs);
+ dbg_gen("re-size device %d, volume %d to from %d to %d PEBs",
+ ubi->ubi_num, vol_id, vol->reserved_pebs, reserved_pebs);
if (vol->vol_type == UBI_STATIC_VOLUME &&
reserved_pebs < vol->used_ebs) {