| raid0.c (e2b06d71bd3f50ac7098b3f2492ea95470b713db) | raid0.c (dc3b17cc8bf21307c7e076e7c778d5db756f7871) |
|---|---|
| 1/* 2 raid0.c : Multiple Devices driver for Linux 3 Copyright (C) 1994-96 Marc ZYNGIER 4 <zyngier@ufr-info-p7.ibp.fr> or 5 <maz@gloups.fdn.fr> 6 Copyright (C) 1999, 2000 Ingo Molnar, Red Hat 7 8 RAID-0 management functions. --- 27 unchanged lines hidden (view full) --- 36 struct r0conf *conf = mddev->private; 37 struct md_rdev **devlist = conf->devlist; 38 int raid_disks = conf->strip_zone[0].nb_dev; 39 int i, ret = 0; 40 41 for (i = 0; i < raid_disks && !ret ; i++) { 42 struct request_queue *q = bdev_get_queue(devlist[i]->bdev); 43 | 1/* 2 raid0.c : Multiple Devices driver for Linux 3 Copyright (C) 1994-96 Marc ZYNGIER 4 <zyngier@ufr-info-p7.ibp.fr> or 5 <maz@gloups.fdn.fr> 6 Copyright (C) 1999, 2000 Ingo Molnar, Red Hat 7 8 RAID-0 management functions. --- 27 unchanged lines hidden (view full) --- 36 struct r0conf *conf = mddev->private; 37 struct md_rdev **devlist = conf->devlist; 38 int raid_disks = conf->strip_zone[0].nb_dev; 39 int i, ret = 0; 40 41 for (i = 0; i < raid_disks && !ret ; i++) { 42 struct request_queue *q = bdev_get_queue(devlist[i]->bdev); 43 |
| 44 ret |= bdi_congested(&q->backing_dev_info, bits); | 44 ret |= bdi_congested(q->backing_dev_info, bits); |
| 45 } 46 return ret; 47} 48 49/* 50 * inform the user of the raid configuration 51*/ 52static void dump_zones(struct mddev *mddev) --- 362 unchanged lines hidden (view full) --- 415 * multiplied by chunk size times 2. 416 * If an individual device has an ra_pages greater than the 417 * chunk size, then we will not drive that device as hard as it 418 * wants. We consider this a configuration error: a larger 419 * chunksize should be used in that case. 420 */ 421 int stripe = mddev->raid_disks * 422 (mddev->chunk_sectors << 9) / PAGE_SIZE; | 45 } 46 return ret; 47} 48 49/* 50 * inform the user of the raid configuration 51*/ 52static void dump_zones(struct mddev *mddev) --- 362 unchanged lines hidden (view full) --- 415 * multiplied by chunk size times 2. 416 * If an individual device has an ra_pages greater than the 417 * chunk size, then we will not drive that device as hard as it 418 * wants. We consider this a configuration error: a larger 419 * chunksize should be used in that case. 420 */ 421 int stripe = mddev->raid_disks * 422 (mddev->chunk_sectors << 9) / PAGE_SIZE; |
| 423 if (mddev->queue->backing_dev_info.ra_pages < 2* stripe) 424 mddev->queue->backing_dev_info.ra_pages = 2* stripe; | 423 if (mddev->queue->backing_dev_info->ra_pages < 2* stripe) 424 mddev->queue->backing_dev_info->ra_pages = 2* stripe; |
| 425 } 426 427 dump_zones(mddev); 428 429 ret = md_integrity_register(mddev); 430 431 return ret; 432} --- 279 unchanged lines hidden --- | 425 } 426 427 dump_zones(mddev); 428 429 ret = md_integrity_register(mddev); 430 431 return ret; 432} --- 279 unchanged lines hidden --- |