summaryrefslogtreecommitdiff
path: root/drivers/md
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/dm-log-userspace-base.c1
-rw-r--r--drivers/md/dm-log-userspace-transfer.c1
-rw-r--r--drivers/md/dm-region-hash.c1
-rw-r--r--drivers/md/dm-service-time.c2
-rw-r--r--drivers/md/dm-target.c1
-rw-r--r--drivers/md/faulty.c1
-rw-r--r--drivers/md/linear.c1
-rw-r--r--drivers/md/md.c1
-rw-r--r--drivers/md/multipath.c1
-rw-r--r--drivers/md/raid0.c1
-rw-r--r--drivers/md/raid1.c1
-rw-r--r--drivers/md/raid10.c1
-rw-r--r--drivers/md/raid5.c53
-rw-r--r--drivers/md/raid6algos.c1
14 files changed, 38 insertions, 29 deletions
diff --git a/drivers/md/dm-log-userspace-base.c b/drivers/md/dm-log-userspace-base.c
index 7ac2c1450d10..1ed0094f064b 100644
--- a/drivers/md/dm-log-userspace-base.c
+++ b/drivers/md/dm-log-userspace-base.c
@@ -5,6 +5,7 @@
*/
#include <linux/bio.h>
+#include <linux/slab.h>
#include <linux/dm-dirty-log.h>
#include <linux/device-mapper.h>
#include <linux/dm-log-userspace.h>
diff --git a/drivers/md/dm-log-userspace-transfer.c b/drivers/md/dm-log-userspace-transfer.c
index f1c8cae70b4b..075cbcf8a9f5 100644
--- a/drivers/md/dm-log-userspace-transfer.c
+++ b/drivers/md/dm-log-userspace-transfer.c
@@ -6,6 +6,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/slab.h>
#include <net/sock.h>
#include <linux/workqueue.h>
#include <linux/connector.h>
diff --git a/drivers/md/dm-region-hash.c b/drivers/md/dm-region-hash.c
index 168bd38f5006..bd5c58b28868 100644
--- a/drivers/md/dm-region-hash.c
+++ b/drivers/md/dm-region-hash.c
@@ -11,6 +11,7 @@
#include <linux/ctype.h>
#include <linux/init.h>
#include <linux/module.h>
+#include <linux/slab.h>
#include <linux/vmalloc.h>
#include "dm.h"
diff --git a/drivers/md/dm-service-time.c b/drivers/md/dm-service-time.c
index cfa668f46c40..9c6c2e47ad62 100644
--- a/drivers/md/dm-service-time.c
+++ b/drivers/md/dm-service-time.c
@@ -11,6 +11,8 @@
#include "dm.h"
#include "dm-path-selector.h"
+#include <linux/slab.h>
+
#define DM_MSG_PREFIX "multipath service-time"
#define ST_MIN_IO 1
#define ST_MAX_RELATIVE_THROUGHPUT 100
diff --git a/drivers/md/dm-target.c b/drivers/md/dm-target.c
index 04feccf2a997..11dea11dc0b6 100644
--- a/drivers/md/dm-target.c
+++ b/drivers/md/dm-target.c
@@ -10,7 +10,6 @@
#include <linux/init.h>
#include <linux/kmod.h>
#include <linux/bio.h>
-#include <linux/slab.h>
#define DM_MSG_PREFIX "target"
diff --git a/drivers/md/faulty.c b/drivers/md/faulty.c
index 713acd02ab39..8e3850b98cca 100644
--- a/drivers/md/faulty.c
+++ b/drivers/md/faulty.c
@@ -64,6 +64,7 @@
#define MaxFault 50
#include <linux/blkdev.h>
#include <linux/raid/md_u.h>
+#include <linux/slab.h>
#include "md.h"
#include <linux/seq_file.h>
diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index bb2a23159b21..09437e958235 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -19,6 +19,7 @@
#include <linux/blkdev.h>
#include <linux/raid/md_u.h>
#include <linux/seq_file.h>
+#include <linux/slab.h>
#include "md.h"
#include "linear.h"
diff --git a/drivers/md/md.c b/drivers/md/md.c
index fdc1890b6ac5..9712b2e97be4 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -49,6 +49,7 @@
#include <linux/delay.h>
#include <linux/raid/md_p.h>
#include <linux/raid/md_u.h>
+#include <linux/slab.h>
#include "md.h"
#include "bitmap.h"
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index 5558ebc705c8..789bf535d29c 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -22,6 +22,7 @@
#include <linux/blkdev.h>
#include <linux/raid/md_u.h>
#include <linux/seq_file.h>
+#include <linux/slab.h>
#include "md.h"
#include "multipath.h"
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 377cf2a3c333..c3bec024612e 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -20,6 +20,7 @@
#include <linux/blkdev.h>
#include <linux/seq_file.h>
+#include <linux/slab.h>
#include "md.h"
#include "raid0.h"
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index f741f77eeb2b..e59b10e66edb 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -31,6 +31,7 @@
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/blkdev.h>
#include <linux/seq_file.h>
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index b4ba41ecbd20..e2766d8251a1 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -18,6 +18,7 @@
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/blkdev.h>
#include <linux/seq_file.h>
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 70ffbd071b2e..58ea0ecae7c3 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -50,6 +50,7 @@
#include <linux/async.h>
#include <linux/seq_file.h>
#include <linux/cpu.h>
+#include <linux/slab.h>
#include "md.h"
#include "raid5.h"
#include "bitmap.h"
@@ -1649,8 +1650,8 @@ static sector_t raid5_compute_sector(raid5_conf_t *conf, sector_t r_sector,
int previous, int *dd_idx,
struct stripe_head *sh)
{
- long stripe;
- unsigned long chunk_number;
+ sector_t stripe, stripe2;
+ sector_t chunk_number;
unsigned int chunk_offset;
int pd_idx, qd_idx;
int ddf_layout = 0;
@@ -1670,18 +1671,13 @@ static sector_t raid5_compute_sector(raid5_conf_t *conf, sector_t r_sector,
*/
chunk_offset = sector_div(r_sector, sectors_per_chunk);
chunk_number = r_sector;
- BUG_ON(r_sector != chunk_number);
/*
* Compute the stripe number
*/
- stripe = chunk_number / data_disks;
-
- /*
- * Compute the data disk and parity disk indexes inside the stripe
- */
- *dd_idx = chunk_number % data_disks;
-
+ stripe = chunk_number;
+ *dd_idx = sector_div(stripe, data_disks);
+ stripe2 = stripe;
/*
* Select the parity disk based on the user selected algorithm.
*/
@@ -1693,21 +1689,21 @@ static sector_t raid5_compute_sector(raid5_conf_t *conf, sector_t r_sector,
case 5:
switch (algorithm) {
case ALGORITHM_LEFT_ASYMMETRIC:
- pd_idx = data_disks - stripe % raid_disks;
+ pd_idx = data_disks - sector_div(stripe2, raid_disks);
if (*dd_idx >= pd_idx)
(*dd_idx)++;
break;
case ALGORITHM_RIGHT_ASYMMETRIC:
- pd_idx = stripe % raid_disks;
+ pd_idx = sector_div(stripe2, raid_disks);
if (*dd_idx >= pd_idx)
(*dd_idx)++;
break;
case ALGORITHM_LEFT_SYMMETRIC:
- pd_idx = data_disks - stripe % raid_disks;
+ pd_idx = data_disks - sector_div(stripe2, raid_disks);
*dd_idx = (pd_idx + 1 + *dd_idx) % raid_disks;
break;
case ALGORITHM_RIGHT_SYMMETRIC:
- pd_idx = stripe % raid_disks;
+ pd_idx = sector_div(stripe2, raid_disks);
*dd_idx = (pd_idx + 1 + *dd_idx) % raid_disks;
break;
case ALGORITHM_PARITY_0:
@@ -1727,7 +1723,7 @@ static sector_t raid5_compute_sector(raid5_conf_t *conf, sector_t r_sector,
switch (algorithm) {
case ALGORITHM_LEFT_ASYMMETRIC:
- pd_idx = raid_disks - 1 - (stripe % raid_disks);
+ pd_idx = raid_disks - 1 - sector_div(stripe2, raid_disks);
qd_idx = pd_idx + 1;
if (pd_idx == raid_disks-1) {
(*dd_idx)++; /* Q D D D P */
@@ -1736,7 +1732,7 @@ static sector_t raid5_compute_sector(raid5_conf_t *conf, sector_t r_sector,
(*dd_idx) += 2; /* D D P Q D */
break;
case ALGORITHM_RIGHT_ASYMMETRIC:
- pd_idx = stripe % raid_disks;
+ pd_idx = sector_div(stripe2, raid_disks);
qd_idx = pd_idx + 1;
if (pd_idx == raid_disks-1) {
(*dd_idx)++; /* Q D D D P */
@@ -1745,12 +1741,12 @@ static sector_t raid5_compute_sector(raid5_conf_t *conf, sector_t r_sector,
(*dd_idx) += 2; /* D D P Q D */
break;
case ALGORITHM_LEFT_SYMMETRIC:
- pd_idx = raid_disks - 1 - (stripe % raid_disks);
+ pd_idx = raid_disks - 1 - sector_div(stripe2, raid_disks);
qd_idx = (pd_idx + 1) % raid_disks;
*dd_idx = (pd_idx + 2 + *dd_idx) % raid_disks;
break;
case ALGORITHM_RIGHT_SYMMETRIC:
- pd_idx = stripe % raid_disks;
+ pd_idx = sector_div(stripe2, raid_disks);
qd_idx = (pd_idx + 1) % raid_disks;
*dd_idx = (pd_idx + 2 + *dd_idx) % raid_disks;
break;
@@ -1769,7 +1765,7 @@ static sector_t raid5_compute_sector(raid5_conf_t *conf, sector_t r_sector,
/* Exactly the same as RIGHT_ASYMMETRIC, but or
* of blocks for computing Q is different.
*/
- pd_idx = stripe % raid_disks;
+ pd_idx = sector_div(stripe2, raid_disks);
qd_idx = pd_idx + 1;
if (pd_idx == raid_disks-1) {
(*dd_idx)++; /* Q D D D P */
@@ -1784,7 +1780,8 @@ static sector_t raid5_compute_sector(raid5_conf_t *conf, sector_t r_sector,
* D D D P Q rather than
* Q D D D P
*/
- pd_idx = raid_disks - 1 - ((stripe + 1) % raid_disks);
+ stripe2 += 1;
+ pd_idx = raid_disks - 1 - sector_div(stripe2, raid_disks);
qd_idx = pd_idx + 1;
if (pd_idx == raid_disks-1) {
(*dd_idx)++; /* Q D D D P */
@@ -1796,7 +1793,7 @@ static sector_t raid5_compute_sector(raid5_conf_t *conf, sector_t r_sector,
case ALGORITHM_ROTATING_N_CONTINUE:
/* Same as left_symmetric but Q is before P */
- pd_idx = raid_disks - 1 - (stripe % raid_disks);
+ pd_idx = raid_disks - 1 - sector_div(stripe2, raid_disks);
qd_idx = (pd_idx + raid_disks - 1) % raid_disks;
*dd_idx = (pd_idx + 1 + *dd_idx) % raid_disks;
ddf_layout = 1;
@@ -1804,27 +1801,27 @@ static sector_t raid5_compute_sector(raid5_conf_t *conf, sector_t r_sector,
case ALGORITHM_LEFT_ASYMMETRIC_6:
/* RAID5 left_asymmetric, with Q on last device */
- pd_idx = data_disks - stripe % (raid_disks-1);
+ pd_idx = data_disks - sector_div(stripe2, raid_disks-1);
if (*dd_idx >= pd_idx)
(*dd_idx)++;
qd_idx = raid_disks - 1;
break;
case ALGORITHM_RIGHT_ASYMMETRIC_6:
- pd_idx = stripe % (raid_disks-1);
+ pd_idx = sector_div(stripe2, raid_disks-1);
if (*dd_idx >= pd_idx)
(*dd_idx)++;
qd_idx = raid_disks - 1;
break;
case ALGORITHM_LEFT_SYMMETRIC_6:
- pd_idx = data_disks - stripe % (raid_disks-1);
+ pd_idx = data_disks - sector_div(stripe2, raid_disks-1);
*dd_idx = (pd_idx + 1 + *dd_idx) % (raid_disks-1);
qd_idx = raid_disks - 1;
break;
case ALGORITHM_RIGHT_SYMMETRIC_6:
- pd_idx = stripe % (raid_disks-1);
+ pd_idx = sector_div(stripe2, raid_disks-1);
*dd_idx = (pd_idx + 1 + *dd_idx) % (raid_disks-1);
qd_idx = raid_disks - 1;
break;
@@ -1869,14 +1866,14 @@ static sector_t compute_blocknr(struct stripe_head *sh, int i, int previous)
: conf->algorithm;
sector_t stripe;
int chunk_offset;
- int chunk_number, dummy1, dd_idx = i;
+ sector_t chunk_number;
+ int dummy1, dd_idx = i;
sector_t r_sector;
struct stripe_head sh2;
chunk_offset = sector_div(new_sector, sectors_per_chunk);
stripe = new_sector;
- BUG_ON(new_sector != stripe);
if (i == sh->pd_idx)
return 0;
@@ -1969,7 +1966,7 @@ static sector_t compute_blocknr(struct stripe_head *sh, int i, int previous)
}
chunk_number = stripe * data_disks + i;
- r_sector = (sector_t)chunk_number * sectors_per_chunk + chunk_offset;
+ r_sector = chunk_number * sectors_per_chunk + chunk_offset;
check = raid5_compute_sector(conf, r_sector,
previous, &dummy1, &sh2);
diff --git a/drivers/md/raid6algos.c b/drivers/md/raid6algos.c
index bffc61bff5ab..1f8784bfd44d 100644
--- a/drivers/md/raid6algos.c
+++ b/drivers/md/raid6algos.c
@@ -17,6 +17,7 @@
*/
#include <linux/raid/pq.h>
+#include <linux/gfp.h>
#ifndef __KERNEL__
#include <sys/mman.h>
#include <stdio.h>
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-11 11:57:54 +0300