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block, partition: add partition_meta_info to hd_struct

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I'm reposting this patch series as v4 since there have been no additional
comments, and I cleaned up one extra bit of unneeded code (in 3/3). The patches
are against Linus's tree: 2bfc96a127
(2.6.36-rc3).

Would this patchset be suitable for inclusion in an mm branch?

This changes adds a partition_meta_info struct which itself contains a
union of structures that provide partition table specific metadata.

This change leaves the union empty. The subsequent patch includes an
implementation for CONFIG_EFI_PARTITION-based metadata.

Signed-off-by: Will Drewry <wad@chromium.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
This commit is contained in:
Will Drewry
2010-08-31 15:47:05 -05:00
committed by Jens Axboe
parent 144177991c
commit 6d1d8050b4
5 changed files with 76 additions and 6 deletions
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2
block/ioctl.c
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@@ -62,7 +62,7 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user
/* all seems OK */
part = add_partition(disk, partno, start, length,
ADDPART_FLAG_NONE);
ADDPART_FLAG_NONE, NULL);
mutex_unlock(&bdev->bd_mutex);
return IS_ERR(part) ? PTR_ERR(part) : 0;
case BLKPG_DEL_PARTITION: