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path: root/drivers/mtd/ubi/vmt.c
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Diffstat (limited to 'drivers/mtd/ubi/vmt.c')
-rw-r--r--drivers/mtd/ubi/vmt.c65
1 files changed, 26 insertions, 39 deletions
diff --git a/drivers/mtd/ubi/vmt.c b/drivers/mtd/ubi/vmt.c
index df5483562b7..ab64cb56df6 100644
--- a/drivers/mtd/ubi/vmt.c
+++ b/drivers/mtd/ubi/vmt.c
@@ -198,7 +198,7 @@ static void volume_sysfs_close(struct ubi_volume *vol)
* %UBI_VOL_NUM_AUTO, this function automatically assign ID to the new volume
* and saves it in @req->vol_id. Returns zero in case of success and a negative
* error code in case of failure. Note, the caller has to have the
- * @ubi->volumes_mutex locked.
+ * @ubi->device_mutex locked.
*/
int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req)
{
@@ -232,8 +232,8 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req)
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 */
@@ -317,10 +317,6 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req)
goto out_mapping;
}
- err = ubi_create_gluebi(ubi, vol);
- if (err)
- goto out_cdev;
-
vol->dev.release = vol_release;
vol->dev.parent = &ubi->dev;
vol->dev.devt = dev;
@@ -330,7 +326,7 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req)
err = device_register(&vol->dev);
if (err) {
ubi_err("cannot register device");
- goto out_gluebi;
+ goto out_cdev;
}
err = volume_sysfs_init(ubi, vol);
@@ -358,7 +354,9 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req)
ubi->vol_count += 1;
spin_unlock(&ubi->volumes_lock);
- err = paranoid_check_volumes(ubi);
+ ubi_volume_notify(ubi, vol, UBI_VOLUME_ADDED);
+ if (paranoid_check_volumes(ubi))
+ dbg_err("check failed while creating volume %d", vol_id);
return err;
out_sysfs:
@@ -373,10 +371,6 @@ out_sysfs:
do_free = 0;
get_device(&vol->dev);
volume_sysfs_close(vol);
-out_gluebi:
- if (ubi_destroy_gluebi(vol))
- dbg_err("cannot destroy gluebi for volume %d:%d",
- ubi->ubi_num, vol_id);
out_cdev:
cdev_del(&vol->cdev);
out_mapping:
@@ -403,7 +397,7 @@ out_unlock:
*
* This function removes volume described by @desc. The volume has to be opened
* in "exclusive" mode. Returns zero in case of success and a negative error
- * code in case of failure. The caller has to have the @ubi->volumes_mutex
+ * code in case of failure. The caller has to have the @ubi->device_mutex
* locked.
*/
int ubi_remove_volume(struct ubi_volume_desc *desc, int no_vtbl)
@@ -412,7 +406,7 @@ int ubi_remove_volume(struct ubi_volume_desc *desc, int no_vtbl)
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]);
@@ -431,10 +425,6 @@ int ubi_remove_volume(struct ubi_volume_desc *desc, int no_vtbl)
ubi->volumes[vol_id] = NULL;
spin_unlock(&ubi->volumes_lock);
- err = ubi_destroy_gluebi(vol);
- if (err)
- goto out_err;
-
if (!no_vtbl) {
err = ubi_change_vtbl_record(ubi, vol_id, NULL);
if (err)
@@ -465,8 +455,10 @@ int ubi_remove_volume(struct ubi_volume_desc *desc, int no_vtbl)
ubi->vol_count -= 1;
spin_unlock(&ubi->volumes_lock);
- if (!no_vtbl)
- err = paranoid_check_volumes(ubi);
+ ubi_volume_notify(ubi, vol, UBI_VOLUME_REMOVED);
+ if (!no_vtbl && paranoid_check_volumes(ubi))
+ dbg_err("check failed while removing volume %d", vol_id);
+
return err;
out_err:
@@ -485,7 +477,7 @@ out_unlock:
*
* This function re-sizes the volume and returns zero in case of success, and a
* negative error code in case of failure. The caller has to have the
- * @ubi->volumes_mutex locked.
+ * @ubi->device_mutex locked.
*/
int ubi_resize_volume(struct ubi_volume_desc *desc, int reserved_pebs)
{
@@ -498,8 +490,8 @@ int ubi_resize_volume(struct ubi_volume_desc *desc, int reserved_pebs)
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) {
@@ -587,7 +579,9 @@ int ubi_resize_volume(struct ubi_volume_desc *desc, int reserved_pebs)
(long long)vol->used_ebs * vol->usable_leb_size;
}
- err = paranoid_check_volumes(ubi);
+ ubi_volume_notify(ubi, vol, UBI_VOLUME_RESIZED);
+ if (paranoid_check_volumes(ubi))
+ dbg_err("check failed while re-sizing volume %d", vol_id);
return err;
out_acc:
@@ -632,11 +626,12 @@ int ubi_rename_volumes(struct ubi_device *ubi, struct list_head *rename_list)
vol->name_len = re->new_name_len;
memcpy(vol->name, re->new_name, re->new_name_len + 1);
spin_unlock(&ubi->volumes_lock);
+ ubi_volume_notify(ubi, vol, UBI_VOLUME_RENAMED);
}
}
- if (!err)
- err = paranoid_check_volumes(ubi);
+ if (!err && paranoid_check_volumes(ubi))
+ ;
return err;
}
@@ -667,10 +662,6 @@ int ubi_add_volume(struct ubi_device *ubi, struct ubi_volume *vol)
return err;
}
- err = ubi_create_gluebi(ubi, vol);
- if (err)
- goto out_cdev;
-
vol->dev.release = vol_release;
vol->dev.parent = &ubi->dev;
vol->dev.devt = dev;
@@ -678,21 +669,19 @@ int ubi_add_volume(struct ubi_device *ubi, struct ubi_volume *vol)
dev_set_name(&vol->dev, "%s_%d", ubi->ubi_name, vol->vol_id);
err = device_register(&vol->dev);
if (err)
- goto out_gluebi;
+ goto out_cdev;
err = volume_sysfs_init(ubi, vol);
if (err) {
cdev_del(&vol->cdev);
- err = ubi_destroy_gluebi(vol);
volume_sysfs_close(vol);
return err;
}
- err = paranoid_check_volumes(ubi);
+ if (paranoid_check_volumes(ubi))
+ dbg_err("check failed while adding volume %d", vol_id);
return err;
-out_gluebi:
- err = ubi_destroy_gluebi(vol);
out_cdev:
cdev_del(&vol->cdev);
return err;
@@ -708,12 +697,9 @@ out_cdev:
*/
void ubi_free_volume(struct ubi_device *ubi, struct ubi_volume *vol)
{
- int err;
-
dbg_gen("free volume %d", vol->vol_id);
ubi->volumes[vol->vol_id] = NULL;
- err = ubi_destroy_gluebi(vol);
cdev_del(&vol->cdev);
volume_sysfs_close(vol);
}
@@ -868,6 +854,7 @@ fail:
if (vol)
ubi_dbg_dump_vol_info(vol);
ubi_dbg_dump_vtbl_record(&ubi->vtbl[vol_id], vol_id);
+ dump_stack();
spin_unlock(&ubi->volumes_lock);
return -EINVAL;
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-18 14:57:35 +0000