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Merge commit '3ff195b011' into for-linus

Browse source 
Conflicts:
	drivers/md/md.c

- Resolved conflict in md_update_sb
- Added extra 'NULL' arg to new instance of sysfs_get_dirent.

Signed-off-by: NeilBrown <[email protected]>
This commit is contained in:
NeilBrown 2010-05-22 08:31:36 +10:00
commit 19fdb9eefb
9962 changed files with 487914 additions and 200382 deletions
Download patch file Download diff file Expand all files Collapse all files

4
drivers/md/bitmap.c
View file

@ -1685,9 +1685,9 @@ int bitmap_create(mddev_t *mddev)
bitmap->mddev = mddev;
bm = sysfs_get_dirent(mddev->kobj.sd, "bitmap");
bm = sysfs_get_dirent(mddev->kobj.sd, NULL, "bitmap");
if (bm) {
bitmap->sysfs_can_clear = sysfs_get_dirent(bm, "can_clear");
bitmap->sysfs_can_clear = sysfs_get_dirent(bm, NULL, "can_clear");
sysfs_put(bm);
} else
bitmap->sysfs_can_clear = NULL;

1
drivers/md/dm-log-userspace-base.c
View file

@ -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>

1
drivers/md/dm-log-userspace-transfer.c
View file

@ -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>

1
drivers/md/dm-region-hash.c
View file

@ -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"

2
drivers/md/dm-service-time.c
View file

@ -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

2
drivers/md/dm-sysfs.c
View file

@ -75,7 +75,7 @@ static struct attribute *dm_attrs[] = {
NULL,
};
static struct sysfs_ops dm_sysfs_ops = {
static const struct sysfs_ops dm_sysfs_ops = {
.show = dm_attr_show,
};

1
drivers/md/dm-target.c
View file

@ -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"

1
drivers/md/faulty.c
View file

@ -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>

1
drivers/md/linear.c
View file

@ -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"

13
drivers/md/md.c
View file

@ -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"
@ -1814,7 +1815,7 @@ static int bind_rdev_to_array(mdk_rdev_t * rdev, mddev_t * mddev)
kobject_del(&rdev->kobj);
goto fail;
}
rdev->sysfs_state = sysfs_get_dirent(rdev->kobj.sd, "state");
rdev->sysfs_state = sysfs_get_dirent(rdev->kobj.sd, NULL, "state");
list_add_rcu(&rdev->same_set, &mddev->disks);
bd_claim_by_disk(rdev->bdev, rdev->bdev->bd_holder, mddev->gendisk);
@ -2683,7 +2684,7 @@ static void rdev_free(struct kobject *ko)
mdk_rdev_t *rdev = container_of(ko, mdk_rdev_t, kobj);
kfree(rdev);
}
static struct sysfs_ops rdev_sysfs_ops = {
static const struct sysfs_ops rdev_sysfs_ops = {
.show = rdev_attr_show,
.store = rdev_attr_store,
};
@ -3027,7 +3028,7 @@ level_store(mddev_t *mddev, const char *buf, size_t len)
printk(KERN_WARNING
"md: cannot register extra attributes for %s\n",
mdname(mddev));
mddev->sysfs_action = sysfs_get_dirent(mddev->kobj.sd, "sync_action");
mddev->sysfs_action = sysfs_get_dirent(mddev->kobj.sd, NULL, "sync_action");
}
if (mddev->pers->sync_request != NULL &&
pers->sync_request == NULL) {
@ -4146,7 +4147,7 @@ static void md_free(struct kobject *ko)
kfree(mddev);
}
static struct sysfs_ops md_sysfs_ops = {
static const struct sysfs_ops md_sysfs_ops = {
.show = md_attr_show,
.store = md_attr_store,
};
@ -4260,7 +4261,7 @@ static int md_alloc(dev_t dev, char *name)
mutex_unlock(&disks_mutex);
if (!error) {
kobject_uevent(&mddev->kobj, KOBJ_ADD);
mddev->sysfs_state = sysfs_get_dirent(mddev->kobj.sd, "array_state");
mddev->sysfs_state = sysfs_get_dirent(mddev->kobj.sd, NULL, "array_state");
}
mddev_put(mddev);
return error;
@ -4473,7 +4474,7 @@ static int md_run(mddev_t *mddev)
printk(KERN_WARNING
"md: cannot register extra attributes for %s\n",
mdname(mddev));
mddev->sysfs_action = sysfs_get_dirent(mddev->kobj.sd, "sync_action");
mddev->sysfs_action = sysfs_get_dirent(mddev->kobj.sd, NULL, "sync_action");
} else if (mddev->ro == 2) /* auto-readonly not meaningful */
mddev->ro = 0;

1
drivers/md/multipath.c
View file

@ -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"

1
drivers/md/raid0.c
View file

@ -20,6 +20,7 @@
#include <linux/blkdev.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
#include "md.h"
#include "raid0.h"
#include "raid5.h"

1
drivers/md/raid1.c
View file

@ -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>

1
drivers/md/raid10.c
View file

@ -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>

53
drivers/md/raid5.c
View file

@ -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 "raid0.h"
@ -1654,8 +1655,8 @@ 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;
@ -1675,18 +1676,13 @@ 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.
*/
@ -1698,21 +1694,21 @@ 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:
@ -1730,7 +1726,7 @@ 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 */
@ -1739,7 +1735,7 @@ 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 */
@ -1748,12 +1744,12 @@ 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;
@ -1772,7 +1768,7 @@ 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 */
@ -1787,7 +1783,8 @@ 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 */
@ -1799,7 +1796,7 @@ 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;
@ -1807,27 +1804,27 @@ 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;
@ -1965,7 +1962,7 @@ 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);

1
drivers/md/raid6algos.c
View file

@ -17,6 +17,7 @@
*/
#include <linux/raid/pq.h>
#include <linux/gfp.h>
#ifndef __KERNEL__
#include <sys/mman.h>
#include <stdio.h>