Lines Matching refs:vol
66 struct ubi_volume *vol = container_of(dev, struct ubi_volume, dev); in vol_attribute_show() local
69 ubi = ubi_get_device(vol->ubi->ubi_num); in vol_attribute_show()
74 if (!ubi->volumes[vol->vol_id]) { in vol_attribute_show()
80 vol->ref_count += 1; in vol_attribute_show()
84 ret = sprintf(buf, "%d\n", vol->reserved_pebs); in vol_attribute_show()
88 if (vol->vol_type == UBI_DYNAMIC_VOLUME) in vol_attribute_show()
94 ret = sprintf(buf, "%s\n", vol->name); in vol_attribute_show()
96 ret = sprintf(buf, "%d\n", vol->corrupted); in vol_attribute_show()
98 ret = sprintf(buf, "%d\n", vol->alignment); in vol_attribute_show()
100 ret = sprintf(buf, "%d\n", vol->usable_leb_size); in vol_attribute_show()
102 ret = sprintf(buf, "%lld\n", vol->used_bytes); in vol_attribute_show()
104 ret = sprintf(buf, "%d\n", vol->upd_marker); in vol_attribute_show()
111 vol->ref_count -= 1; in vol_attribute_show()
112 ubi_assert(vol->ref_count >= 0); in vol_attribute_show()
135 struct ubi_volume *vol = container_of(dev, struct ubi_volume, dev); in vol_release() local
137 kfree(vol->eba_tbl); in vol_release()
138 kfree(vol); in vol_release()
155 struct ubi_volume *vol; in ubi_create_volume() local
162 vol = kzalloc(sizeof(struct ubi_volume), GFP_KERNEL); in ubi_create_volume()
163 if (!vol) in ubi_create_volume()
206 vol->usable_leb_size = ubi->leb_size - ubi->leb_size % req->alignment; in ubi_create_volume()
207 vol->reserved_pebs = div_u64(req->bytes + vol->usable_leb_size - 1, in ubi_create_volume()
208 vol->usable_leb_size); in ubi_create_volume()
211 if (vol->reserved_pebs > ubi->avail_pebs) { 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()
224 vol->vol_id = vol_id; in ubi_create_volume()
225 vol->alignment = req->alignment; in ubi_create_volume()
226 vol->data_pad = ubi->leb_size % vol->alignment; in ubi_create_volume()
227 vol->vol_type = req->vol_type; in ubi_create_volume()
228 vol->name_len = req->name_len; in ubi_create_volume()
229 memcpy(vol->name, req->name, vol->name_len); in ubi_create_volume()
230 vol->ubi = ubi; in ubi_create_volume()
240 vol->eba_tbl = kmalloc(vol->reserved_pebs * sizeof(int), GFP_KERNEL); in ubi_create_volume()
241 if (!vol->eba_tbl) { in ubi_create_volume()
246 for (i = 0; i < vol->reserved_pebs; i++) in ubi_create_volume()
247 vol->eba_tbl[i] = UBI_LEB_UNMAPPED; in ubi_create_volume()
249 if (vol->vol_type == UBI_DYNAMIC_VOLUME) { in ubi_create_volume()
250 vol->used_ebs = vol->reserved_pebs; in ubi_create_volume()
251 vol->last_eb_bytes = vol->usable_leb_size; in ubi_create_volume()
252 vol->used_bytes = in ubi_create_volume()
253 (long long)vol->used_ebs * vol->usable_leb_size; in ubi_create_volume()
255 vol->used_ebs = div_u64_rem(vol->used_bytes, in ubi_create_volume()
256 vol->usable_leb_size, in ubi_create_volume()
257 &vol->last_eb_bytes); in ubi_create_volume()
258 if (vol->last_eb_bytes != 0) in ubi_create_volume()
259 vol->used_ebs += 1; in ubi_create_volume()
261 vol->last_eb_bytes = vol->usable_leb_size; in ubi_create_volume()
265 cdev_init(&vol->cdev, &ubi_vol_cdev_operations); in ubi_create_volume()
266 vol->cdev.owner = THIS_MODULE; in ubi_create_volume()
268 err = cdev_add(&vol->cdev, dev, 1); in ubi_create_volume()
274 vol->dev.release = vol_release; in ubi_create_volume()
275 vol->dev.parent = &ubi->dev; in ubi_create_volume()
276 vol->dev.devt = dev; in ubi_create_volume()
278 vol->dev.class = &ubi_class; in ubi_create_volume()
279 vol->dev.groups = volume_dev_groups; in ubi_create_volume()
282 dev_set_name(&vol->dev, "%s_%d", ubi->ubi_name, vol->vol_id); in ubi_create_volume()
283 err = device_register(&vol->dev); in ubi_create_volume()
291 vtbl_rec.reserved_pebs = cpu_to_be32(vol->reserved_pebs); in ubi_create_volume()
292 vtbl_rec.alignment = cpu_to_be32(vol->alignment); in ubi_create_volume()
293 vtbl_rec.data_pad = cpu_to_be32(vol->data_pad); in ubi_create_volume()
294 vtbl_rec.name_len = cpu_to_be16(vol->name_len); in ubi_create_volume()
295 if (vol->vol_type == UBI_DYNAMIC_VOLUME) in ubi_create_volume()
299 memcpy(vtbl_rec.name, vol->name, vol->name_len); in ubi_create_volume()
306 ubi->volumes[vol_id] = vol; in ubi_create_volume()
310 ubi_volume_notify(ubi, vol, UBI_VOLUME_ADDED); in ubi_create_volume()
324 get_device(&vol->dev); in ubi_create_volume()
325 device_unregister(&vol->dev); in ubi_create_volume()
327 cdev_del(&vol->cdev); in ubi_create_volume()
330 kfree(vol->eba_tbl); 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()
338 kfree(vol); in ubi_create_volume()
340 put_device(&vol->dev); in ubi_create_volume()
357 struct ubi_volume *vol = desc->vol; in ubi_remove_volume() local
358 struct ubi_device *ubi = vol->ubi; in ubi_remove_volume()
359 int i, err, vol_id = vol->vol_id, reserved_pebs = vol->reserved_pebs; in ubi_remove_volume()
363 ubi_assert(vol == ubi->volumes[vol_id]); in ubi_remove_volume()
369 if (vol->ref_count > 1) { in ubi_remove_volume()
386 for (i = 0; i < vol->reserved_pebs; i++) { in ubi_remove_volume()
387 err = ubi_eba_unmap_leb(ubi, vol, i); in ubi_remove_volume()
392 cdev_del(&vol->cdev); in ubi_remove_volume()
393 device_unregister(&vol->dev); in ubi_remove_volume()
402 ubi_volume_notify(ubi, vol, UBI_VOLUME_REMOVED); in ubi_remove_volume()
411 ubi->volumes[vol_id] = vol; in ubi_remove_volume()
429 struct ubi_volume *vol = desc->vol; in ubi_resize_volume() local
430 struct ubi_device *ubi = vol->ubi; in ubi_resize_volume()
432 int vol_id = vol->vol_id; in ubi_resize_volume()
438 ubi->ubi_num, vol_id, vol->reserved_pebs, reserved_pebs); in ubi_resize_volume()
440 if (vol->vol_type == UBI_STATIC_VOLUME && in ubi_resize_volume()
441 reserved_pebs < vol->used_ebs) { in ubi_resize_volume()
443 reserved_pebs, vol->used_ebs); in ubi_resize_volume()
448 if (reserved_pebs == vol->reserved_pebs) in ubi_resize_volume()
459 if (vol->ref_count > 1) { in ubi_resize_volume()
467 pebs = reserved_pebs - vol->reserved_pebs; in ubi_resize_volume()
482 for (i = 0; i < vol->reserved_pebs; i++) in ubi_resize_volume()
483 new_mapping[i] = vol->eba_tbl[i]; in ubi_resize_volume()
484 kfree(vol->eba_tbl); in ubi_resize_volume()
485 vol->eba_tbl = new_mapping; in ubi_resize_volume()
498 err = ubi_eba_unmap_leb(ubi, vol, reserved_pebs + i); in ubi_resize_volume()
507 new_mapping[i] = vol->eba_tbl[i]; in ubi_resize_volume()
508 kfree(vol->eba_tbl); in ubi_resize_volume()
509 vol->eba_tbl = new_mapping; in ubi_resize_volume()
513 vol->reserved_pebs = reserved_pebs; in ubi_resize_volume()
514 if (vol->vol_type == UBI_DYNAMIC_VOLUME) { in ubi_resize_volume()
515 vol->used_ebs = reserved_pebs; in ubi_resize_volume()
516 vol->last_eb_bytes = vol->usable_leb_size; in ubi_resize_volume()
517 vol->used_bytes = in ubi_resize_volume()
518 (long long)vol->used_ebs * vol->usable_leb_size; in ubi_resize_volume()
521 ubi_volume_notify(ubi, vol, UBI_VOLUME_RESIZED); in ubi_resize_volume()
561 struct ubi_volume *vol = re->desc->vol; in ubi_rename_volumes() local
564 vol->name_len = re->new_name_len; in ubi_rename_volumes()
565 memcpy(vol->name, re->new_name, re->new_name_len + 1); in ubi_rename_volumes()
567 ubi_volume_notify(ubi, vol, UBI_VOLUME_RENAMED); in ubi_rename_volumes()
585 int ubi_add_volume(struct ubi_device *ubi, struct ubi_volume *vol) in ubi_add_volume() argument
587 int err, vol_id = vol->vol_id; in ubi_add_volume()
593 cdev_init(&vol->cdev, &ubi_vol_cdev_operations); in ubi_add_volume()
594 vol->cdev.owner = THIS_MODULE; in ubi_add_volume()
595 dev = MKDEV(MAJOR(ubi->cdev.dev), vol->vol_id + 1); in ubi_add_volume()
596 err = cdev_add(&vol->cdev, dev, 1); in ubi_add_volume()
603 vol->dev.release = vol_release; in ubi_add_volume()
604 vol->dev.parent = &ubi->dev; in ubi_add_volume()
605 vol->dev.devt = dev; in ubi_add_volume()
607 vol->dev.class = &ubi_class; in ubi_add_volume()
608 vol->dev.groups = volume_dev_groups; in ubi_add_volume()
610 dev_set_name(&vol->dev, "%s_%d", ubi->ubi_name, vol->vol_id); in ubi_add_volume()
611 err = device_register(&vol->dev); in ubi_add_volume()
619 cdev_del(&vol->cdev); in ubi_add_volume()
631 void ubi_free_volume(struct ubi_device *ubi, struct ubi_volume *vol) in ubi_free_volume() argument
633 dbg_gen("free volume %d", vol->vol_id); in ubi_free_volume()
635 ubi->volumes[vol->vol_id] = NULL; in ubi_free_volume()
636 cdev_del(&vol->cdev); in ubi_free_volume()
637 device_unregister(&vol->dev); in ubi_free_volume()
651 const struct ubi_volume *vol; in self_check_volume() local
657 vol = ubi->volumes[idx]; in self_check_volume()
659 if (!vol) { in self_check_volume()
668 if (vol->reserved_pebs < 0 || vol->alignment < 0 || vol->data_pad < 0 || in self_check_volume()
669 vol->name_len < 0) { in self_check_volume()
673 if (vol->alignment > ubi->leb_size || vol->alignment == 0) { in self_check_volume()
678 n = vol->alignment & (ubi->min_io_size - 1); in self_check_volume()
679 if (vol->alignment != 1 && n) { in self_check_volume()
684 n = ubi->leb_size % vol->alignment; in self_check_volume()
685 if (vol->data_pad != n) { in self_check_volume()
690 if (vol->vol_type != UBI_DYNAMIC_VOLUME && in self_check_volume()
691 vol->vol_type != UBI_STATIC_VOLUME) { in self_check_volume()
696 if (vol->upd_marker && vol->corrupted) { in self_check_volume()
701 if (vol->reserved_pebs > ubi->good_peb_count) { 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()
712 if (vol->name_len > UBI_VOL_NAME_MAX) { in self_check_volume()
718 n = strnlen(vol->name, vol->name_len + 1); in self_check_volume()
719 if (n != vol->name_len) { in self_check_volume()
724 n = (long long)vol->used_ebs * vol->usable_leb_size; in self_check_volume()
725 if (vol->vol_type == UBI_DYNAMIC_VOLUME) { in self_check_volume()
726 if (vol->corrupted) { in self_check_volume()
730 if (vol->used_ebs != vol->reserved_pebs) { in self_check_volume()
734 if (vol->last_eb_bytes != vol->usable_leb_size) { in self_check_volume()
738 if (vol->used_bytes != n) { in self_check_volume()
743 if (vol->used_ebs < 0 || vol->used_ebs > vol->reserved_pebs) { in self_check_volume()
747 if (vol->last_eb_bytes < 0 || in self_check_volume()
748 vol->last_eb_bytes > vol->usable_leb_size) { in self_check_volume()
752 if (vol->used_bytes < 0 || vol->used_bytes > n || in self_check_volume()
753 vol->used_bytes < n - vol->usable_leb_size) { in self_check_volume()
769 if (alignment != vol->alignment || data_pad != vol->data_pad || in self_check_volume()
770 upd_marker != vol->upd_marker || vol_type != vol->vol_type || in self_check_volume()
771 name_len != vol->name_len || strncmp(name, vol->name, name_len)) { in self_check_volume()
781 if (vol) in self_check_volume()
782 ubi_dump_vol_info(vol); in self_check_volume()