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

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* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
  block: restore multiple bd_link_disk_holder() support
  block cfq: compensate preempted queue even if it has no slice assigned
  block cfq: make queue preempt work for queues from different workload
This commit is contained in:
Linus Torvalds 2011-01-14 13:32:07 -08:00
commit 6ab8219649
5 changed files with 110 additions and 25 deletions
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8
include/linux/fs.h
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@ -666,7 +666,7 @@ struct block_device {
int bd_holders;
bool bd_write_holder;
#ifdef CONFIG_SYSFS
struct gendisk * bd_holder_disk; /* for sysfs slave linkng */
struct list_head bd_holder_disks;
#endif
struct block_device * bd_contains;
unsigned bd_block_size;
@ -2057,12 +2057,18 @@ extern struct block_device *blkdev_get_by_dev(dev_t dev, fmode_t mode,
extern int blkdev_put(struct block_device *bdev, fmode_t mode);
#ifdef CONFIG_SYSFS
extern int bd_link_disk_holder(struct block_device *bdev, struct gendisk *disk);
extern void bd_unlink_disk_holder(struct block_device *bdev,
struct gendisk *disk);
#else
static inline int bd_link_disk_holder(struct block_device *bdev,
struct gendisk *disk)
{
return 0;
}
static inline void bd_unlink_disk_holder(struct block_device *bdev,
struct gendisk *disk)
{
}
#endif
#endif