diff options
author | Andre Noll <maan@systemlinux.org> | 2009-01-08 16:31:07 -0500 |
---|---|---|
committer | NeilBrown <neilb@suse.de> | 2009-01-08 16:31:07 -0500 |
commit | 83838ed87898e0a8ff8dbf001e54e6c017f0a011 (patch) | |
tree | 218e6c8dbe52257251f165cd544c4bebbeae3c40 /drivers/md | |
parent | 0825b87a7dd9645c7e16489fec839a3cb5c40a08 (diff) |
md: raid0: Represent the size of strip zones in sectors.
This completes the block -> sector conversion of struct strip_zone.
Signed-off-by: Andre Noll <maan@systemlinux.org>
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md')
-rw-r--r-- | drivers/md/raid0.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index c759436b5d84..6e85e88bbae9 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c | |||
@@ -156,11 +156,11 @@ static int create_strip_zones (mddev_t *mddev) | |||
156 | goto abort; | 156 | goto abort; |
157 | } | 157 | } |
158 | zone->nb_dev = cnt; | 158 | zone->nb_dev = cnt; |
159 | zone->size = smallest->size * cnt; | 159 | zone->sectors = smallest->size * cnt * 2; |
160 | zone->zone_start = 0; | 160 | zone->zone_start = 0; |
161 | 161 | ||
162 | current_start = smallest->size * 2; | 162 | current_start = smallest->size * 2; |
163 | curr_zone_start = zone->size * 2; | 163 | curr_zone_start = zone->sectors; |
164 | 164 | ||
165 | /* now do the other zones */ | 165 | /* now do the other zones */ |
166 | for (i = 1; i < conf->nr_strip_zones; i++) | 166 | for (i = 1; i < conf->nr_strip_zones; i++) |
@@ -193,12 +193,12 @@ static int create_strip_zones (mddev_t *mddev) | |||
193 | } | 193 | } |
194 | 194 | ||
195 | zone->nb_dev = c; | 195 | zone->nb_dev = c; |
196 | zone->size = (smallest->size - current_start / 2) * c; | 196 | zone->sectors = (smallest->size * 2 - current_start) * c; |
197 | printk(KERN_INFO "raid0: zone->nb_dev: %d, size: %llu\n", | 197 | printk(KERN_INFO "raid0: zone->nb_dev: %d, sectors: %llu\n", |
198 | zone->nb_dev, (unsigned long long)zone->size); | 198 | zone->nb_dev, (unsigned long long)zone->sectors); |
199 | 199 | ||
200 | zone->zone_start = curr_zone_start; | 200 | zone->zone_start = curr_zone_start; |
201 | curr_zone_start += zone->size * 2; | 201 | curr_zone_start += zone->sectors; |
202 | 202 | ||
203 | current_start = smallest->size * 2; | 203 | current_start = smallest->size * 2; |
204 | printk(KERN_INFO "raid0: current zone start: %llu\n", | 204 | printk(KERN_INFO "raid0: current zone start: %llu\n", |
@@ -220,7 +220,7 @@ static int create_strip_zones (mddev_t *mddev) | |||
220 | sector_t sz = 0; | 220 | sector_t sz = 0; |
221 | for (j=i; j<conf->nr_strip_zones-1 && | 221 | for (j=i; j<conf->nr_strip_zones-1 && |
222 | sz < min_spacing ; j++) | 222 | sz < min_spacing ; j++) |
223 | sz += conf->strip_zone[j].size; | 223 | sz += conf->strip_zone[j].sectors / 2; |
224 | if (sz >= min_spacing && sz < conf->hash_spacing) | 224 | if (sz >= min_spacing && sz < conf->hash_spacing) |
225 | conf->hash_spacing = sz; | 225 | conf->hash_spacing = sz; |
226 | } | 226 | } |
@@ -325,13 +325,13 @@ static int raid0_run (mddev_t *mddev) | |||
325 | conf->hash_table = kmalloc (sizeof (struct strip_zone *)*nb_zone, GFP_KERNEL); | 325 | conf->hash_table = kmalloc (sizeof (struct strip_zone *)*nb_zone, GFP_KERNEL); |
326 | if (!conf->hash_table) | 326 | if (!conf->hash_table) |
327 | goto out_free_conf; | 327 | goto out_free_conf; |
328 | size = conf->strip_zone[cur].size; | 328 | size = conf->strip_zone[cur].sectors / 2; |
329 | 329 | ||
330 | conf->hash_table[0] = conf->strip_zone + cur; | 330 | conf->hash_table[0] = conf->strip_zone + cur; |
331 | for (i=1; i< nb_zone; i++) { | 331 | for (i=1; i< nb_zone; i++) { |
332 | while (size <= conf->hash_spacing) { | 332 | while (size <= conf->hash_spacing) { |
333 | cur++; | 333 | cur++; |
334 | size += conf->strip_zone[cur].size; | 334 | size += conf->strip_zone[cur].sectors / 2; |
335 | } | 335 | } |
336 | size -= conf->hash_spacing; | 336 | size -= conf->hash_spacing; |
337 | conf->hash_table[i] = conf->strip_zone + cur; | 337 | conf->hash_table[i] = conf->strip_zone + cur; |
@@ -439,10 +439,10 @@ static int raid0_make_request (struct request_queue *q, struct bio *bio) | |||
439 | sector_div(x, (u32)conf->hash_spacing); | 439 | sector_div(x, (u32)conf->hash_spacing); |
440 | zone = conf->hash_table[x]; | 440 | zone = conf->hash_table[x]; |
441 | } | 441 | } |
442 | 442 | ||
443 | while (sector / 2 >= (zone->zone_start / 2 + zone->size)) | 443 | while (sector >= zone->zone_start + zone->sectors) |
444 | zone++; | 444 | zone++; |
445 | 445 | ||
446 | sect_in_chunk = bio->bi_sector & (chunk_sects - 1); | 446 | sect_in_chunk = bio->bi_sector & (chunk_sects - 1); |
447 | 447 | ||
448 | 448 | ||
@@ -495,7 +495,7 @@ static void raid0_status (struct seq_file *seq, mddev_t *mddev) | |||
495 | seq_printf(seq, "] zs=%d ds=%d s=%d\n", | 495 | seq_printf(seq, "] zs=%d ds=%d s=%d\n", |
496 | conf->strip_zone[j].zone_start, | 496 | conf->strip_zone[j].zone_start, |
497 | conf->strip_zone[j].dev_start, | 497 | conf->strip_zone[j].dev_start, |
498 | conf->strip_zone[j].size); | 498 | conf->strip_zone[j].sectors); |
499 | } | 499 | } |
500 | #endif | 500 | #endif |
501 | seq_printf(seq, " %dk chunks", mddev->chunk_size/1024); | 501 | seq_printf(seq, " %dk chunks", mddev->chunk_size/1024); |