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Merge branch 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6

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* 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6:
  PM / Hibernate: Replace bdget call with simple atomic_inc of i_count
  PM / ACPI: HP G7000 Notebook needs a SCI_EN resume quirk
This commit is contained in:
Linus Torvalds 2009-07-29 19:15:18 -07:00
commit 91a5698d1f
4 changed files with 21 additions and 2 deletions
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8
drivers/acpi/sleep.c
View file

@ -397,6 +397,14 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
},
},
{
.callback = init_set_sci_en_on_resume,
.ident = "Hewlett-Packard HP G7000 Notebook PC",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
DMI_MATCH(DMI_PRODUCT_NAME, "HP G7000 Notebook PC"),
},
},
{
.callback = init_old_suspend_ordering,
.ident = "Panasonic CF51-2L",
.matches = {

10
fs/block_dev.c
View file

@ -564,6 +564,16 @@ struct block_device *bdget(dev_t dev)
EXPORT_SYMBOL(bdget);
/**
* bdgrab -- Grab a reference to an already referenced block device
* @bdev: Block device to grab a reference to.
*/
struct block_device *bdgrab(struct block_device *bdev)
{
atomic_inc(&bdev->bd_inode->i_count);
return bdev;
}
long nr_blockdev_pages(void)
{
struct block_device *bdev;

1
include/linux/fs.h
View file

@ -1946,6 +1946,7 @@ extern void putname(const char *name);
extern int register_blkdev(unsigned int, const char *);
extern void unregister_blkdev(unsigned int, const char *);
extern struct block_device *bdget(dev_t);
extern struct block_device *bdgrab(struct block_device *bdev);
extern void bd_set_size(struct block_device *, loff_t size);
extern void bd_forget(struct inode *inode);
extern void bdput(struct block_device *);

4
mm/swapfile.c
View file

@ -753,7 +753,7 @@ int swap_type_of(dev_t device, sector_t offset, struct block_device **bdev_p)
if (!bdev) {
if (bdev_p)
*bdev_p = bdget(sis->bdev->bd_dev);
*bdev_p = bdgrab(sis->bdev);
spin_unlock(&swap_lock);
return i;
@ -765,7 +765,7 @@ int swap_type_of(dev_t device, sector_t offset, struct block_device **bdev_p)
struct swap_extent, list);
if (se->start_block == offset) {
if (bdev_p)
*bdev_p = bdget(sis->bdev->bd_dev);
*bdev_p = bdgrab(sis->bdev);
spin_unlock(&swap_lock);
bdput(bdev);