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Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block

Browse source 
* 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block: (65 commits)
  Documentation/iostats.txt: bit-size reference etc.
  cfq-iosched: removing unnecessary think time checking
  cfq-iosched: Don't clear queue stats when preempt.
  blk-throttle: Reset group slice when limits are changed
  blk-cgroup: Only give unaccounted_time under debug
  cfq-iosched: Don't set active queue in preempt
  block: fix non-atomic access to genhd inflight structures
  block: attempt to merge with existing requests on plug flush
  block: NULL dereference on error path in __blkdev_get()
  cfq-iosched: Don't update group weights when on service tree
  fs: assign sb->s_bdi to default_backing_dev_info if the bdi is going away
  block: Require subsystems to explicitly allocate bio_set integrity mempool
  jbd2: finish conversion from WRITE_SYNC_PLUG to WRITE_SYNC and explicit plugging
  jbd: finish conversion from WRITE_SYNC_PLUG to WRITE_SYNC and explicit plugging
  fs: make fsync_buffers_list() plug
  mm: make generic_writepages() use plugging
  blk-cgroup: Add unaccounted time to timeslice_used.
  block: fixup plugging stubs for !CONFIG_BLOCK
  block: remove obsolete comments for blkdev_issue_zeroout.
  blktrace: Use rq->cmd_flags directly in blk_add_trace_rq.
  ...

Fix up conflicts in fs/{aio.c,super.c}
This commit is contained in:
Linus Torvalds 2011-03-24 10:16:26 -07:00
commit 6c51038900
172 changed files with 1520 additions and 2112 deletions
Download patch file Download diff file Expand all files Collapse all files

3
drivers/ide/ide-atapi.c
View file

@ -233,8 +233,7 @@ int ide_queue_sense_rq(ide_drive_t *drive, void *special)
drive->hwif->rq = NULL;
elv_add_request(drive->queue, &drive->sense_rq,
ELEVATOR_INSERT_FRONT, 0);
elv_add_request(drive->queue, &drive->sense_rq, ELEVATOR_INSERT_FRONT);
return 0;
}
EXPORT_SYMBOL_GPL(ide_queue_sense_rq);

23
drivers/ide/ide-cd.c
View file

@ -258,17 +258,10 @@ static int ide_cd_breathe(ide_drive_t *drive, struct request *rq)
if (time_after(jiffies, info->write_timeout))
return 0;
else {
struct request_queue *q = drive->queue;
unsigned long flags;
/*
* take a breather relying on the unplug timer to kick us again
* take a breather
*/
spin_lock_irqsave(q->queue_lock, flags);
blk_plug_device(q);
spin_unlock_irqrestore(q->queue_lock, flags);
blk_delay_queue(drive->queue, 1);
return 1;
}
}
@ -1177,7 +1170,7 @@ static struct cdrom_device_ops ide_cdrom_dops = {
.open = ide_cdrom_open_real,
.release = ide_cdrom_release_real,
.drive_status = ide_cdrom_drive_status,
.media_changed = ide_cdrom_check_media_change_real,
.check_events = ide_cdrom_check_events_real,
.tray_move = ide_cdrom_tray_move,
.lock_door = ide_cdrom_lock_door,
.select_speed = ide_cdrom_select_speed,
@ -1514,8 +1507,6 @@ static int ide_cdrom_setup(ide_drive_t *drive)
blk_queue_dma_alignment(q, 31);
blk_queue_update_dma_pad(q, 15);
q->unplug_delay = max((1 * HZ) / 1000, 1);
drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED;
drive->atapi_flags = IDE_AFLAG_NO_EJECT | ide_cd_flags(id);
@ -1702,10 +1693,11 @@ static int idecd_ioctl(struct block_device *bdev, fmode_t mode,
}
static int idecd_media_changed(struct gendisk *disk)
static unsigned int idecd_check_events(struct gendisk *disk,
unsigned int clearing)
{
struct cdrom_info *info = ide_drv_g(disk, cdrom_info);
return cdrom_media_changed(&info->devinfo);
return cdrom_check_events(&info->devinfo, clearing);
}
static int idecd_revalidate_disk(struct gendisk *disk)
@ -1723,7 +1715,7 @@ static const struct block_device_operations idecd_ops = {
.open = idecd_open,
.release = idecd_release,
.ioctl = idecd_ioctl,
.media_changed = idecd_media_changed,
.check_events = idecd_check_events,
.revalidate_disk = idecd_revalidate_disk
};
@ -1790,6 +1782,7 @@ static int ide_cd_probe(ide_drive_t *drive)
ide_cd_read_toc(drive, &sense);
g->fops = &idecd_ops;
g->flags |= GENHD_FL_REMOVABLE;
g->events = DISK_EVENT_MEDIA_CHANGE;
add_disk(g);
return 0;

3
drivers/ide/ide-cd.h
View file

@ -111,7 +111,8 @@ int cdrom_check_status(ide_drive_t *, struct request_sense *);
int ide_cdrom_open_real(struct cdrom_device_info *, int);
void ide_cdrom_release_real(struct cdrom_device_info *);
int ide_cdrom_drive_status(struct cdrom_device_info *, int);
int ide_cdrom_check_media_change_real(struct cdrom_device_info *, int);
unsigned int ide_cdrom_check_events_real(struct cdrom_device_info *,
unsigned int clearing, int slot_nr);
int ide_cdrom_tray_move(struct cdrom_device_info *, int);
int ide_cdrom_lock_door(struct cdrom_device_info *, int);
int ide_cdrom_select_speed(struct cdrom_device_info *, int);

8
drivers/ide/ide-cd_ioctl.c
View file

@ -79,8 +79,8 @@ int ide_cdrom_drive_status(struct cdrom_device_info *cdi, int slot_nr)
return CDS_DRIVE_NOT_READY;
}
int ide_cdrom_check_media_change_real(struct cdrom_device_info *cdi,
int slot_nr)
unsigned int ide_cdrom_check_events_real(struct cdrom_device_info *cdi,
unsigned int clearing, int slot_nr)
{
ide_drive_t *drive = cdi->handle;
int retval;
@ -89,9 +89,9 @@ int ide_cdrom_check_media_change_real(struct cdrom_device_info *cdi,
(void) cdrom_check_status(drive, NULL);
retval = (drive->dev_flags & IDE_DFLAG_MEDIA_CHANGED) ? 1 : 0;
drive->dev_flags &= ~IDE_DFLAG_MEDIA_CHANGED;
return retval;
return retval ? DISK_EVENT_MEDIA_CHANGE : 0;
} else {
return -EINVAL;
return 0;
}
}

14
drivers/ide/ide-gd.c
View file

@ -285,11 +285,12 @@ static int ide_gd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
return 0;
}
static int ide_gd_media_changed(struct gendisk *disk)
static unsigned int ide_gd_check_events(struct gendisk *disk,
unsigned int clearing)
{
struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
ide_drive_t *drive = idkp->drive;
int ret;
bool ret;
/* do not scan partitions twice if this is a removable device */
if (drive->dev_flags & IDE_DFLAG_ATTACH) {
@ -297,10 +298,10 @@ static int ide_gd_media_changed(struct gendisk *disk)
return 0;
}
ret = !!(drive->dev_flags & IDE_DFLAG_MEDIA_CHANGED);
ret = drive->dev_flags & IDE_DFLAG_MEDIA_CHANGED;
drive->dev_flags &= ~IDE_DFLAG_MEDIA_CHANGED;
return ret;
return ret ? DISK_EVENT_MEDIA_CHANGE : 0;
}
static void ide_gd_unlock_native_capacity(struct gendisk *disk)
@ -318,7 +319,7 @@ static int ide_gd_revalidate_disk(struct gendisk *disk)
struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
ide_drive_t *drive = idkp->drive;
if (ide_gd_media_changed(disk))
if (ide_gd_check_events(disk, 0))
drive->disk_ops->get_capacity(drive);
set_capacity(disk, ide_gd_capacity(drive));
@ -340,7 +341,7 @@ static const struct block_device_operations ide_gd_ops = {
.release = ide_gd_release,
.ioctl = ide_gd_ioctl,
.getgeo = ide_gd_getgeo,
.media_changed = ide_gd_media_changed,
.check_events = ide_gd_check_events,
.unlock_native_capacity = ide_gd_unlock_native_capacity,
.revalidate_disk = ide_gd_revalidate_disk
};
@ -412,6 +413,7 @@ static int ide_gd_probe(ide_drive_t *drive)
if (drive->dev_flags & IDE_DFLAG_REMOVABLE)
g->flags = GENHD_FL_REMOVABLE;
g->fops = &ide_gd_ops;
g->events = DISK_EVENT_MEDIA_CHANGE;
add_disk(g);
return 0;

4
drivers/ide/ide-io.c
View file

@ -549,8 +549,6 @@ plug_device_2:
if (rq)
blk_requeue_request(q, rq);
if (!elv_queue_empty(q))
blk_plug_device(q);
}
void ide_requeue_and_plug(ide_drive_t *drive, struct request *rq)
@ -562,8 +560,6 @@ void ide_requeue_and_plug(ide_drive_t *drive, struct request *rq)
if (rq)
blk_requeue_request(q, rq);
if (!elv_queue_empty(q))
blk_plug_device(q);
spin_unlock_irqrestore(q->queue_lock, flags);
}

2
drivers/ide/ide-park.c
View file

@ -52,7 +52,7 @@ static void issue_park_cmd(ide_drive_t *drive, unsigned long timeout)
rq->cmd[0] = REQ_UNPARK_HEADS;
rq->cmd_len = 1;
rq->cmd_type = REQ_TYPE_SPECIAL;
elv_add_request(q, rq, ELEVATOR_INSERT_FRONT, 1);
elv_add_request(q, rq, ELEVATOR_INSERT_FRONT);
out:
return;