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Merge branch 'linus' into tracing/core

Browse source 
Merge reason: tracing/core was on a .30-rc1 base and was missing out on
              on a handful of tracing fixes present in .30-rc5-almost.

Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Ingo Molnar 2009-05-07 11:17:13 +02:00
commit 44347d947f
1603 changed files with 32864 additions and 29590 deletions
Download patch file Download diff file Expand all files Collapse all files

7
drivers/md/bitmap.c
View file

@ -1479,6 +1479,7 @@ void bitmap_cond_end_sync(struct bitmap *bitmap, sector_t sector)
s += blocks;
}
bitmap->last_end_sync = jiffies;
sysfs_notify(&bitmap->mddev->kobj, NULL, "sync_completed");
}
static void bitmap_set_memory_bits(struct bitmap *bitmap, sector_t offset, int needed)
@ -1589,7 +1590,7 @@ void bitmap_destroy(mddev_t *mddev)
int bitmap_create(mddev_t *mddev)
{
struct bitmap *bitmap;
unsigned long blocks = mddev->resync_max_sectors;
sector_t blocks = mddev->resync_max_sectors;
unsigned long chunks;
unsigned long pages;
struct file *file = mddev->bitmap_file;
@ -1631,8 +1632,8 @@ int bitmap_create(mddev_t *mddev)
bitmap->chunkshift = ffz(~bitmap->chunksize);
/* now that chunksize and chunkshift are set, we can use these macros */
chunks = (blocks + CHUNK_BLOCK_RATIO(bitmap) - 1) /
CHUNK_BLOCK_RATIO(bitmap);
chunks = (blocks + CHUNK_BLOCK_RATIO(bitmap) - 1) >>
CHUNK_BLOCK_SHIFT(bitmap);
pages = (chunks + PAGE_COUNTER_RATIO - 1) / PAGE_COUNTER_RATIO;
BUG_ON(!pages);

117
drivers/md/dm-bio-list.h
View file

@ -1,117 +0,0 @@
/*
* Copyright (C) 2004 Red Hat UK Ltd.
*
* This file is released under the GPL.
*/
#ifndef DM_BIO_LIST_H
#define DM_BIO_LIST_H
#include <linux/bio.h>
#ifdef CONFIG_BLOCK
struct bio_list {
struct bio *head;
struct bio *tail;
};
static inline int bio_list_empty(const struct bio_list *bl)
{
return bl->head == NULL;
}
static inline void bio_list_init(struct bio_list *bl)
{
bl->head = bl->tail = NULL;
}
#define bio_list_for_each(bio, bl) \
for (bio = (bl)->head; bio; bio = bio->bi_next)
static inline unsigned bio_list_size(const struct bio_list *bl)
{
unsigned sz = 0;
struct bio *bio;
bio_list_for_each(bio, bl)
sz++;
return sz;
}
static inline void bio_list_add(struct bio_list *bl, struct bio *bio)
{
bio->bi_next = NULL;
if (bl->tail)
bl->tail->bi_next = bio;
else
bl->head = bio;
bl->tail = bio;
}
static inline void bio_list_add_head(struct bio_list *bl, struct bio *bio)
{
bio->bi_next = bl->head;
bl->head = bio;
if (!bl->tail)
bl->tail = bio;
}
static inline void bio_list_merge(struct bio_list *bl, struct bio_list *bl2)
{
if (!bl2->head)
return;
if (bl->tail)
bl->tail->bi_next = bl2->head;
else
bl->head = bl2->head;
bl->tail = bl2->tail;
}
static inline void bio_list_merge_head(struct bio_list *bl,
struct bio_list *bl2)
{
if (!bl2->head)
return;
if (bl->head)
bl2->tail->bi_next = bl->head;
else
bl->tail = bl2->tail;
bl->head = bl2->head;
}
static inline struct bio *bio_list_pop(struct bio_list *bl)
{
struct bio *bio = bl->head;
if (bio) {
bl->head = bl->head->bi_next;
if (!bl->head)
bl->tail = NULL;
bio->bi_next = NULL;
}
return bio;
}
static inline struct bio *bio_list_get(struct bio_list *bl)
{
struct bio *bio = bl->head;
bl->head = bl->tail = NULL;
return bio;
}
#endif /* CONFIG_BLOCK */
#endif

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

@ -15,8 +15,6 @@
#include <linux/device-mapper.h>
#include "dm-bio-list.h"
#define DM_MSG_PREFIX "delay"
struct delay_c {

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

@ -8,7 +8,6 @@
#include <linux/device-mapper.h>
#include "dm-path-selector.h"
#include "dm-bio-list.h"
#include "dm-bio-record.h"
#include "dm-uevent.h"

1
drivers/md/dm-raid1.c
View file

@ -5,7 +5,6 @@
* This file is released under the GPL.
*/
#include "dm-bio-list.h"
#include "dm-bio-record.h"
#include <linux/init.h>

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

@ -14,7 +14,6 @@
#include <linux/vmalloc.h>
#include "dm.h"
#include "dm-bio-list.h"
#define DM_MSG_PREFIX "region hash"

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

@ -22,7 +22,6 @@
#include <linux/workqueue.h>
#include "dm-exception-store.h"
#include "dm-bio-list.h"
#define DM_MSG_PREFIX "snapshots"

1
drivers/md/dm.c
View file

@ -6,7 +6,6 @@
*/
#include "dm.h"
#include "dm-bio-list.h"
#include "dm-uevent.h"
#include <linux/init.h>

41
drivers/md/md.c
View file

@ -2017,6 +2017,8 @@ repeat:
clear_bit(MD_CHANGE_PENDING, &mddev->flags);
spin_unlock_irq(&mddev->write_lock);
wake_up(&mddev->sb_wait);
if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery))
sysfs_notify(&mddev->kobj, NULL, "sync_completed");
}
@ -2086,6 +2088,7 @@ state_store(mdk_rdev_t *rdev, const char *buf, size_t len)
* -writemostly - clears write_mostly
* blocked - sets the Blocked flag
* -blocked - clears the Blocked flag
* insync - sets Insync providing device isn't active
*/
int err = -EINVAL;
if (cmd_match(buf, "faulty") && rdev->mddev->pers) {
@ -2117,6 +2120,9 @@ state_store(mdk_rdev_t *rdev, const char *buf, size_t len)
set_bit(MD_RECOVERY_NEEDED, &rdev->mddev->recovery);
md_wakeup_thread(rdev->mddev->thread);
err = 0;
} else if (cmd_match(buf, "insync") && rdev->raid_disk == -1) {
set_bit(In_sync, &rdev->flags);
err = 0;
}
if (!err && rdev->sysfs_state)
@ -2190,7 +2196,7 @@ slot_store(mdk_rdev_t *rdev, const char *buf, size_t len)
} else if (rdev->mddev->pers) {
mdk_rdev_t *rdev2;
/* Activating a spare .. or possibly reactivating
* if we every get bitmaps working here.
* if we ever get bitmaps working here.
*/
if (rdev->raid_disk != -1)
@ -3482,12 +3488,15 @@ sync_completed_show(mddev_t *mddev, char *page)
{
unsigned long max_sectors, resync;
if (!test_bit(MD_RECOVERY_RUNNING, &mddev->recovery))
return sprintf(page, "none\n");
if (test_bit(MD_RECOVERY_SYNC, &mddev->recovery))
max_sectors = mddev->resync_max_sectors;
else
max_sectors = mddev->dev_sectors;
resync = (mddev->curr_resync - atomic_read(&mddev->recovery_active));
resync = mddev->curr_resync_completed;
return sprintf(page, "%lu / %lu\n", resync, max_sectors);
}
@ -6334,18 +6343,13 @@ void md_do_sync(mddev_t *mddev)
sector_t sectors;
skipped = 0;
if (j >= mddev->resync_max) {
sysfs_notify(&mddev->kobj, NULL, "sync_completed");
wait_event(mddev->recovery_wait,
mddev->resync_max > j
|| kthread_should_stop());
}
if (kthread_should_stop())
goto interrupted;
if (mddev->curr_resync > mddev->curr_resync_completed &&
(mddev->curr_resync - mddev->curr_resync_completed)
> (max_sectors >> 4)) {
if ((mddev->curr_resync > mddev->curr_resync_completed &&
(mddev->curr_resync - mddev->curr_resync_completed)
> (max_sectors >> 4)) ||
(j - mddev->curr_resync_completed)*2
>= mddev->resync_max - mddev->curr_resync_completed
) {
/* time to update curr_resync_completed */
blk_unplug(mddev->queue);
wait_event(mddev->recovery_wait,
@ -6353,7 +6357,17 @@ void md_do_sync(mddev_t *mddev)
mddev->curr_resync_completed =
mddev->curr_resync;
set_bit(MD_CHANGE_CLEAN, &mddev->flags);
sysfs_notify(&mddev->kobj, NULL, "sync_completed");
}
if (j >= mddev->resync_max)
wait_event(mddev->recovery_wait,
mddev->resync_max > j
|| kthread_should_stop());
if (kthread_should_stop())
goto interrupted;
sectors = mddev->pers->sync_request(mddev, j, &skipped,
currspeed < speed_min(mddev));
if (sectors == 0) {
@ -6461,6 +6475,7 @@ void md_do_sync(mddev_t *mddev)
skip:
mddev->curr_resync = 0;
mddev->curr_resync_completed = 0;
mddev->resync_min = 0;
mddev->resync_max = MaxSector;
sysfs_notify(&mddev->kobj, NULL, "sync_completed");

19
drivers/md/md.h
View file

@ -12,10 +12,17 @@
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _MD_K_H
#define _MD_K_H
#ifndef _MD_MD_H
#define _MD_MD_H
#ifdef CONFIG_BLOCK
#include <linux/blkdev.h>
#include <linux/kobject.h>
#include <linux/list.h>
#include <linux/mm.h>
#include <linux/mutex.h>
#include <linux/timer.h>
#include <linux/wait.h>
#include <linux/workqueue.h>
#define MaxSector (~(sector_t)0)
@ -408,10 +415,6 @@ static inline void safe_put_page(struct page *p)
if (p) put_page(p);
}
#endif /* CONFIG_BLOCK */
#endif
extern int register_md_personality(struct mdk_personality *p);
extern int unregister_md_personality(struct mdk_personality *p);
extern mdk_thread_t * md_register_thread(void (*run) (mddev_t *mddev),
@ -434,3 +437,5 @@ extern void md_new_event(mddev_t *mddev);
extern int md_allow_write(mddev_t *mddev);
extern void md_wait_for_blocked_rdev(mdk_rdev_t *rdev, mddev_t *mddev);
extern void md_set_array_sectors(mddev_t *mddev, sector_t array_sectors);
#endif /* _MD_MD_H */

1
drivers/md/raid1.c
View file

@ -35,7 +35,6 @@
#include <linux/blkdev.h>
#include <linux/seq_file.h>
#include "md.h"
#include "dm-bio-list.h"
#include "raid1.h"
#include "bitmap.h"

1
drivers/md/raid10.c
View file

@ -22,7 +22,6 @@
#include <linux/blkdev.h>
#include <linux/seq_file.h>
#include "md.h"
#include "dm-bio-list.h"
#include "raid10.h"
#include "bitmap.h"

7
drivers/md/raid5.c
View file

@ -3845,6 +3845,7 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
wait_event(conf->wait_for_overlap,
atomic_read(&conf->reshape_stripes)==0);
mddev->reshape_position = conf->reshape_progress;
mddev->curr_resync_completed = mddev->curr_resync;
conf->reshape_checkpoint = jiffies;
set_bit(MD_CHANGE_DEVS, &mddev->flags);
md_wakeup_thread(mddev->thread);
@ -3854,6 +3855,7 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
conf->reshape_safe = mddev->reshape_position;
spin_unlock_irq(&conf->device_lock);
wake_up(&conf->wait_for_overlap);
sysfs_notify(&mddev->kobj, NULL, "sync_completed");
}
if (mddev->delta_disks < 0) {
@ -3938,11 +3940,13 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
* then we need to write out the superblock.
*/
sector_nr += reshape_sectors;
if (sector_nr >= mddev->resync_max) {
if ((sector_nr - mddev->curr_resync_completed) * 2
>= mddev->resync_max - mddev->curr_resync_completed) {
/* Cannot proceed until we've updated the superblock... */
wait_event(conf->wait_for_overlap,
atomic_read(&conf->reshape_stripes) == 0);
mddev->reshape_position = conf->reshape_progress;
mddev->curr_resync_completed = mddev->curr_resync;
conf->reshape_checkpoint = jiffies;
set_bit(MD_CHANGE_DEVS, &mddev->flags);
md_wakeup_thread(mddev->thread);
@ -3953,6 +3957,7 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
conf->reshape_safe = mddev->reshape_position;
spin_unlock_irq(&conf->device_lock);
wake_up(&conf->wait_for_overlap);
sysfs_notify(&mddev->kobj, NULL, "sync_completed");
}
return reshape_sectors;
}