Lines Matching refs:ubi
26 static int self_check_volumes(struct ubi_device *ubi);
67 struct ubi_device *ubi; in vol_attribute_show() local
69 ubi = ubi_get_device(vol->ubi->ubi_num); in vol_attribute_show()
70 if (!ubi) in vol_attribute_show()
73 spin_lock(&ubi->volumes_lock); in vol_attribute_show()
74 if (!ubi->volumes[vol->vol_id]) { in vol_attribute_show()
75 spin_unlock(&ubi->volumes_lock); in vol_attribute_show()
76 ubi_put_device(ubi); in vol_attribute_show()
81 spin_unlock(&ubi->volumes_lock); in vol_attribute_show()
110 spin_lock(&ubi->volumes_lock); in vol_attribute_show()
113 spin_unlock(&ubi->volumes_lock); in vol_attribute_show()
114 ubi_put_device(ubi); in vol_attribute_show()
152 int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req) in ubi_create_volume() argument
159 if (ubi->ro_mode) in ubi_create_volume()
166 spin_lock(&ubi->volumes_lock); in ubi_create_volume()
170 for (i = 0; i < ubi->vtbl_slots; i++) in ubi_create_volume()
171 if (!ubi->volumes[i]) { in ubi_create_volume()
177 ubi_err(ubi, "out of volume IDs"); in ubi_create_volume()
185 ubi->ubi_num, vol_id, (unsigned long long)req->bytes, in ubi_create_volume()
190 if (ubi->volumes[vol_id]) { in ubi_create_volume()
191 ubi_err(ubi, "volume %d already exists", vol_id); in ubi_create_volume()
196 for (i = 0; i < ubi->vtbl_slots; i++) in ubi_create_volume()
197 if (ubi->volumes[i] && in ubi_create_volume()
198 ubi->volumes[i]->name_len == req->name_len && in ubi_create_volume()
199 !strcmp(ubi->volumes[i]->name, req->name)) { in ubi_create_volume()
200 ubi_err(ubi, "volume \"%s\" exists (ID %d)", in ubi_create_volume()
206 vol->usable_leb_size = ubi->leb_size - ubi->leb_size % req->alignment; in ubi_create_volume()
211 if (vol->reserved_pebs > ubi->avail_pebs) { in ubi_create_volume()
212 ubi_err(ubi, "not enough PEBs, only %d available", in ubi_create_volume()
213 ubi->avail_pebs); in ubi_create_volume()
214 if (ubi->corr_peb_count) in ubi_create_volume()
215 ubi_err(ubi, "%d PEBs are corrupted and not used", in ubi_create_volume()
216 ubi->corr_peb_count); in ubi_create_volume()
220 ubi->avail_pebs -= vol->reserved_pebs; in ubi_create_volume()
221 ubi->rsvd_pebs += vol->reserved_pebs; in ubi_create_volume()
222 spin_unlock(&ubi->volumes_lock); in ubi_create_volume()
226 vol->data_pad = ubi->leb_size % vol->alignment; in ubi_create_volume()
230 vol->ubi = ubi; in ubi_create_volume()
236 err = ubi_wl_flush(ubi, vol_id, UBI_ALL); in ubi_create_volume()
267 dev = MKDEV(MAJOR(ubi->cdev.dev), vol_id + 1); in ubi_create_volume()
270 ubi_err(ubi, "cannot add character device"); in ubi_create_volume()
275 vol->dev.parent = &ubi->dev; in ubi_create_volume()
282 dev_set_name(&vol->dev, "%s_%d", ubi->ubi_name, vol->vol_id); in ubi_create_volume()
285 ubi_err(ubi, "cannot register device"); in ubi_create_volume()
301 err = ubi_change_vtbl_record(ubi, vol_id, &vtbl_rec); in ubi_create_volume()
305 spin_lock(&ubi->volumes_lock); in ubi_create_volume()
306 ubi->volumes[vol_id] = vol; in ubi_create_volume()
307 ubi->vol_count += 1; in ubi_create_volume()
308 spin_unlock(&ubi->volumes_lock); in ubi_create_volume()
310 ubi_volume_notify(ubi, vol, UBI_VOLUME_ADDED); in ubi_create_volume()
311 self_check_volumes(ubi); in ubi_create_volume()
332 spin_lock(&ubi->volumes_lock); in ubi_create_volume()
333 ubi->rsvd_pebs -= vol->reserved_pebs; in ubi_create_volume()
334 ubi->avail_pebs += vol->reserved_pebs; in ubi_create_volume()
336 spin_unlock(&ubi->volumes_lock); in ubi_create_volume()
341 ubi_err(ubi, "cannot create volume %d, error %d", vol_id, err); in ubi_create_volume()
358 struct ubi_device *ubi = vol->ubi; in ubi_remove_volume() local
361 dbg_gen("remove device %d, volume %d", ubi->ubi_num, vol_id); in ubi_remove_volume()
363 ubi_assert(vol == ubi->volumes[vol_id]); in ubi_remove_volume()
365 if (ubi->ro_mode) in ubi_remove_volume()
368 spin_lock(&ubi->volumes_lock); in ubi_remove_volume()
377 ubi->volumes[vol_id] = NULL; in ubi_remove_volume()
378 spin_unlock(&ubi->volumes_lock); in ubi_remove_volume()
381 err = ubi_change_vtbl_record(ubi, vol_id, NULL); in ubi_remove_volume()
387 err = ubi_eba_unmap_leb(ubi, vol, i); in ubi_remove_volume()
395 spin_lock(&ubi->volumes_lock); in ubi_remove_volume()
396 ubi->rsvd_pebs -= reserved_pebs; in ubi_remove_volume()
397 ubi->avail_pebs += reserved_pebs; in ubi_remove_volume()
398 ubi_update_reserved(ubi); in ubi_remove_volume()
399 ubi->vol_count -= 1; in ubi_remove_volume()
400 spin_unlock(&ubi->volumes_lock); in ubi_remove_volume()
402 ubi_volume_notify(ubi, vol, UBI_VOLUME_REMOVED); in ubi_remove_volume()
404 self_check_volumes(ubi); in ubi_remove_volume()
409 ubi_err(ubi, "cannot remove volume %d, error %d", vol_id, err); in ubi_remove_volume()
410 spin_lock(&ubi->volumes_lock); in ubi_remove_volume()
411 ubi->volumes[vol_id] = vol; in ubi_remove_volume()
413 spin_unlock(&ubi->volumes_lock); in ubi_remove_volume()
430 struct ubi_device *ubi = vol->ubi; in ubi_resize_volume() local
434 if (ubi->ro_mode) in ubi_resize_volume()
438 ubi->ubi_num, vol_id, vol->reserved_pebs, reserved_pebs); in ubi_resize_volume()
442 ubi_err(ubi, "too small size %d, %d LEBs contain data", in ubi_resize_volume()
458 spin_lock(&ubi->volumes_lock); in ubi_resize_volume()
460 spin_unlock(&ubi->volumes_lock); in ubi_resize_volume()
464 spin_unlock(&ubi->volumes_lock); in ubi_resize_volume()
469 spin_lock(&ubi->volumes_lock); in ubi_resize_volume()
470 if (pebs > ubi->avail_pebs) { in ubi_resize_volume()
471 ubi_err(ubi, "not enough PEBs: requested %d, available %d", in ubi_resize_volume()
472 pebs, ubi->avail_pebs); in ubi_resize_volume()
473 if (ubi->corr_peb_count) in ubi_resize_volume()
474 ubi_err(ubi, "%d PEBs are corrupted and not used", in ubi_resize_volume()
475 ubi->corr_peb_count); in ubi_resize_volume()
476 spin_unlock(&ubi->volumes_lock); in ubi_resize_volume()
480 ubi->avail_pebs -= pebs; in ubi_resize_volume()
481 ubi->rsvd_pebs += pebs; in ubi_resize_volume()
486 spin_unlock(&ubi->volumes_lock); in ubi_resize_volume()
490 vtbl_rec = ubi->vtbl[vol_id]; in ubi_resize_volume()
492 err = ubi_change_vtbl_record(ubi, vol_id, &vtbl_rec); in ubi_resize_volume()
498 err = ubi_eba_unmap_leb(ubi, vol, reserved_pebs + i); in ubi_resize_volume()
502 spin_lock(&ubi->volumes_lock); in ubi_resize_volume()
503 ubi->rsvd_pebs += pebs; in ubi_resize_volume()
504 ubi->avail_pebs -= pebs; in ubi_resize_volume()
505 ubi_update_reserved(ubi); in ubi_resize_volume()
510 spin_unlock(&ubi->volumes_lock); in ubi_resize_volume()
521 ubi_volume_notify(ubi, vol, UBI_VOLUME_RESIZED); in ubi_resize_volume()
522 self_check_volumes(ubi); in ubi_resize_volume()
527 spin_lock(&ubi->volumes_lock); in ubi_resize_volume()
528 ubi->rsvd_pebs -= pebs; in ubi_resize_volume()
529 ubi->avail_pebs += pebs; in ubi_resize_volume()
530 spin_unlock(&ubi->volumes_lock); in ubi_resize_volume()
546 int ubi_rename_volumes(struct ubi_device *ubi, struct list_head *rename_list) in ubi_rename_volumes() argument
551 err = ubi_vtbl_rename_volumes(ubi, rename_list); in ubi_rename_volumes()
563 spin_lock(&ubi->volumes_lock); in ubi_rename_volumes()
566 spin_unlock(&ubi->volumes_lock); in ubi_rename_volumes()
567 ubi_volume_notify(ubi, vol, UBI_VOLUME_RENAMED); in ubi_rename_volumes()
572 self_check_volumes(ubi); in ubi_rename_volumes()
585 int ubi_add_volume(struct ubi_device *ubi, struct ubi_volume *vol) in ubi_add_volume() argument
595 dev = MKDEV(MAJOR(ubi->cdev.dev), vol->vol_id + 1); in ubi_add_volume()
598 ubi_err(ubi, "cannot add character device for volume %d, error %d", in ubi_add_volume()
604 vol->dev.parent = &ubi->dev; in ubi_add_volume()
610 dev_set_name(&vol->dev, "%s_%d", ubi->ubi_name, vol->vol_id); in ubi_add_volume()
615 self_check_volumes(ubi); in ubi_add_volume()
631 void ubi_free_volume(struct ubi_device *ubi, struct ubi_volume *vol) in ubi_free_volume() argument
635 ubi->volumes[vol->vol_id] = NULL; in ubi_free_volume()
647 static int self_check_volume(struct ubi_device *ubi, int vol_id) in self_check_volume() argument
649 int idx = vol_id2idx(ubi, vol_id); in self_check_volume()
655 spin_lock(&ubi->volumes_lock); in self_check_volume()
656 reserved_pebs = be32_to_cpu(ubi->vtbl[vol_id].reserved_pebs); in self_check_volume()
657 vol = ubi->volumes[idx]; in self_check_volume()
661 ubi_err(ubi, "no volume info, but volume exists"); in self_check_volume()
664 spin_unlock(&ubi->volumes_lock); in self_check_volume()
670 ubi_err(ubi, "negative values"); in self_check_volume()
673 if (vol->alignment > ubi->leb_size || vol->alignment == 0) { in self_check_volume()
674 ubi_err(ubi, "bad alignment"); in self_check_volume()
678 n = vol->alignment & (ubi->min_io_size - 1); in self_check_volume()
680 ubi_err(ubi, "alignment is not multiple of min I/O unit"); in self_check_volume()
684 n = ubi->leb_size % vol->alignment; in self_check_volume()
686 ubi_err(ubi, "bad data_pad, has to be %lld", n); in self_check_volume()
692 ubi_err(ubi, "bad vol_type"); in self_check_volume()
697 ubi_err(ubi, "update marker and corrupted simultaneously"); in self_check_volume()
701 if (vol->reserved_pebs > ubi->good_peb_count) { in self_check_volume()
702 ubi_err(ubi, "too large reserved_pebs"); in self_check_volume()
706 n = ubi->leb_size - vol->data_pad; in self_check_volume()
707 if (vol->usable_leb_size != ubi->leb_size - vol->data_pad) { in self_check_volume()
708 ubi_err(ubi, "bad usable_leb_size, has to be %lld", n); in self_check_volume()
713 ubi_err(ubi, "too long volume name, max is %d", in self_check_volume()
720 ubi_err(ubi, "bad name_len %lld", n); in self_check_volume()
727 ubi_err(ubi, "corrupted dynamic volume"); in self_check_volume()
731 ubi_err(ubi, "bad used_ebs"); in self_check_volume()
735 ubi_err(ubi, "bad last_eb_bytes"); in self_check_volume()
739 ubi_err(ubi, "bad used_bytes"); in self_check_volume()
744 ubi_err(ubi, "bad used_ebs"); in self_check_volume()
749 ubi_err(ubi, "bad last_eb_bytes"); in self_check_volume()
754 ubi_err(ubi, "bad used_bytes"); in self_check_volume()
759 alignment = be32_to_cpu(ubi->vtbl[vol_id].alignment); in self_check_volume()
760 data_pad = be32_to_cpu(ubi->vtbl[vol_id].data_pad); in self_check_volume()
761 name_len = be16_to_cpu(ubi->vtbl[vol_id].name_len); in self_check_volume()
762 upd_marker = ubi->vtbl[vol_id].upd_marker; in self_check_volume()
763 name = &ubi->vtbl[vol_id].name[0]; in self_check_volume()
764 if (ubi->vtbl[vol_id].vol_type == UBI_VID_DYNAMIC) in self_check_volume()
772 ubi_err(ubi, "volume info is different"); in self_check_volume()
776 spin_unlock(&ubi->volumes_lock); in self_check_volume()
780 ubi_err(ubi, "self-check failed for volume %d", vol_id); in self_check_volume()
783 ubi_dump_vtbl_record(&ubi->vtbl[vol_id], vol_id); in self_check_volume()
785 spin_unlock(&ubi->volumes_lock); in self_check_volume()
795 static int self_check_volumes(struct ubi_device *ubi) in self_check_volumes() argument
799 if (!ubi_dbg_chk_gen(ubi)) in self_check_volumes()
802 for (i = 0; i < ubi->vtbl_slots; i++) { in self_check_volumes()
803 err = self_check_volume(ubi, i); in self_check_volumes()