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-rw-r--r--drivers/ide/ide-disk.c40
-rw-r--r--drivers/ide/ide-gd.c11
-rw-r--r--fs/partitions/check.c4
-rw-r--r--include/linux/blkdev.h3
-rw-r--r--include/linux/ide.h2
5 files changed, 24 insertions, 36 deletions
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 3b128dce9c3a..33d65039cce9 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -407,32 +407,24 @@ static int ide_disk_get_capacity(ide_drive_t *drive)
407 return 0; 407 return 0;
408} 408}
409 409
410static u64 ide_disk_set_capacity(ide_drive_t *drive, u64 capacity) 410static void ide_disk_unlock_native_capacity(ide_drive_t *drive)
411{ 411{
412 u64 set = min(capacity, drive->probed_capacity);
413 u16 *id = drive->id; 412 u16 *id = drive->id;
414 int lba48 = ata_id_lba48_enabled(id); 413 int lba48 = ata_id_lba48_enabled(id);
415 414
416 if ((drive->dev_flags & IDE_DFLAG_LBA) == 0 || 415 if ((drive->dev_flags & IDE_DFLAG_LBA) == 0 ||
417 ata_id_hpa_enabled(id) == 0) 416 ata_id_hpa_enabled(id) == 0)
418 goto out; 417 return;
419 418
420 /* 419 /*
421 * according to the spec the SET MAX ADDRESS command shall be 420 * according to the spec the SET MAX ADDRESS command shall be
422 * immediately preceded by a READ NATIVE MAX ADDRESS command 421 * immediately preceded by a READ NATIVE MAX ADDRESS command
423 */ 422 */
424 capacity = ide_disk_hpa_get_native_capacity(drive, lba48); 423 if (!ide_disk_hpa_get_native_capacity(drive, lba48))
425 if (capacity == 0) 424 return;
426 goto out; 425
427 426 if (ide_disk_hpa_set_capacity(drive, drive->probed_capacity, lba48))
428 set = ide_disk_hpa_set_capacity(drive, set, lba48); 427 drive->dev_flags |= IDE_DFLAG_NOHPA; /* disable HPA on resume */
429 if (set) {
430 /* needed for ->resume to disable HPA */
431 drive->dev_flags |= IDE_DFLAG_NOHPA;
432 return set;
433 }
434out:
435 return drive->capacity64;
436} 428}
437 429
438static void idedisk_prepare_flush(struct request_queue *q, struct request *rq) 430static void idedisk_prepare_flush(struct request_queue *q, struct request *rq)
@@ -783,13 +775,13 @@ static int ide_disk_set_doorlock(ide_drive_t *drive, struct gendisk *disk,
783} 775}
784 776
785const struct ide_disk_ops ide_ata_disk_ops = { 777const struct ide_disk_ops ide_ata_disk_ops = {
786 .check = ide_disk_check, 778 .check = ide_disk_check,
787 .set_capacity = ide_disk_set_capacity, 779 .unlock_native_capacity = ide_disk_unlock_native_capacity,
788 .get_capacity = ide_disk_get_capacity, 780 .get_capacity = ide_disk_get_capacity,
789 .setup = ide_disk_setup, 781 .setup = ide_disk_setup,
790 .flush = ide_disk_flush, 782 .flush = ide_disk_flush,
791 .init_media = ide_disk_init_media, 783 .init_media = ide_disk_init_media,
792 .set_doorlock = ide_disk_set_doorlock, 784 .set_doorlock = ide_disk_set_doorlock,
793 .do_request = ide_do_rw_disk, 785 .do_request = ide_do_rw_disk,
794 .ioctl = ide_disk_ioctl, 786 .ioctl = ide_disk_ioctl,
795}; 787};
diff --git a/drivers/ide/ide-gd.c b/drivers/ide/ide-gd.c
index c32d83996ae1..c102d23d9b38 100644
--- a/drivers/ide/ide-gd.c
+++ b/drivers/ide/ide-gd.c
@@ -288,17 +288,14 @@ static int ide_gd_media_changed(struct gendisk *disk)
288 return ret; 288 return ret;
289} 289}
290 290
291static unsigned long long ide_gd_set_capacity(struct gendisk *disk, 291static void ide_gd_unlock_native_capacity(struct gendisk *disk)
292 unsigned long long capacity)
293{ 292{
294 struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj); 293 struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
295 ide_drive_t *drive = idkp->drive; 294 ide_drive_t *drive = idkp->drive;
296 const struct ide_disk_ops *disk_ops = drive->disk_ops; 295 const struct ide_disk_ops *disk_ops = drive->disk_ops;
297 296
298 if (disk_ops->set_capacity) 297 if (disk_ops->unlock_native_capacity)
299 return disk_ops->set_capacity(drive, capacity); 298 disk_ops->unlock_native_capacity(drive);
300
301 return drive->capacity64;
302} 299}
303 300
304static int ide_gd_revalidate_disk(struct gendisk *disk) 301static int ide_gd_revalidate_disk(struct gendisk *disk)
@@ -329,7 +326,7 @@ static const struct block_device_operations ide_gd_ops = {
329 .locked_ioctl = ide_gd_ioctl, 326 .locked_ioctl = ide_gd_ioctl,
330 .getgeo = ide_gd_getgeo, 327 .getgeo = ide_gd_getgeo,
331 .media_changed = ide_gd_media_changed, 328 .media_changed = ide_gd_media_changed,
332 .set_capacity = ide_gd_set_capacity, 329 .unlock_native_capacity = ide_gd_unlock_native_capacity,
333 .revalidate_disk = ide_gd_revalidate_disk 330 .revalidate_disk = ide_gd_revalidate_disk
334}; 331};
335 332
diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index 8f01df354f04..4f1fee0355ad 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -601,10 +601,10 @@ rescan:
601 "%s: p%d size %llu exceeds device capacity, ", 601 "%s: p%d size %llu exceeds device capacity, ",
602 disk->disk_name, p, (unsigned long long) size); 602 disk->disk_name, p, (unsigned long long) size);
603 603
604 if (bdops->set_capacity && 604 if (bdops->unlock_native_capacity &&
605 (disk->flags & GENHD_FL_NATIVE_CAPACITY) == 0) { 605 (disk->flags & GENHD_FL_NATIVE_CAPACITY) == 0) {
606 printk(KERN_CONT "enabling native capacity\n"); 606 printk(KERN_CONT "enabling native capacity\n");
607 bdops->set_capacity(disk, ~0ULL); 607 bdops->unlock_native_capacity(disk);
608 disk->flags |= GENHD_FL_NATIVE_CAPACITY; 608 disk->flags |= GENHD_FL_NATIVE_CAPACITY;
609 /* free state and restart */ 609 /* free state and restart */
610 kfree(state); 610 kfree(state);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 346fd4856733..be411c12ebbe 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1330,8 +1330,7 @@ struct block_device_operations {
1330 int (*direct_access) (struct block_device *, sector_t, 1330 int (*direct_access) (struct block_device *, sector_t,
1331 void **, unsigned long *); 1331 void **, unsigned long *);
1332 int (*media_changed) (struct gendisk *); 1332 int (*media_changed) (struct gendisk *);
1333 unsigned long long (*set_capacity) (struct gendisk *, 1333 void (*unlock_native_capacity) (struct gendisk *);
1334 unsigned long long);
1335 int (*revalidate_disk) (struct gendisk *); 1334 int (*revalidate_disk) (struct gendisk *);
1336 int (*getgeo)(struct block_device *, struct hd_geometry *); 1335 int (*getgeo)(struct block_device *, struct hd_geometry *);
1337 struct module *owner; 1336 struct module *owner;
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 3239d1c10acb..b6d448048ae2 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -362,7 +362,7 @@ struct ide_drive_s;
362struct ide_disk_ops { 362struct ide_disk_ops {
363 int (*check)(struct ide_drive_s *, const char *); 363 int (*check)(struct ide_drive_s *, const char *);
364 int (*get_capacity)(struct ide_drive_s *); 364 int (*get_capacity)(struct ide_drive_s *);
365 u64 (*set_capacity)(struct ide_drive_s *, u64); 365 void (*unlock_native_capacity)(struct ide_drive_s *);
366 void (*setup)(struct ide_drive_s *); 366 void (*setup)(struct ide_drive_s *);
367 void (*flush)(struct ide_drive_s *); 367 void (*flush)(struct ide_drive_s *);
368 int (*init_media)(struct ide_drive_s *, struct gendisk *); 368 int (*init_media)(struct ide_drive_s *, struct gendisk *);