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author	Artur Paszkiewicz <artur.paszkiewicz@intel.com>
	Thu, 9 Mar 2017 08:59:57 +0000 (09:59 +0100)
committer	Shaohua Li <shli@fb.com>
	Thu, 16 Mar 2017 23:55:53 +0000 (16:55 -0700)
commit	ea0213e0c7cc1c1b52badf27bd7db4f50a67baaa
tree	cc45803ce7ac13964e38403e03f9ea06559fa5e0	tree \| snapshot (tar.gz zip)
parent	effe6ee7523aa50d0517bd7da141e112b44d89fa	commit \| diff

md: superblock changes for PPL

Include information about PPL location and size into mdp_superblock_1
and copy it to/from rdev. Because PPL is mutually exclusive with bitmap,
put it in place of 'bitmap_offset'. Add a new flag MD_FEATURE_PPL for
'feature_map', analogically to MD_FEATURE_BITMAP_OFFSET. Add MD_HAS_PPL
to mddev->flags to indicate that PPL is enabled on an array.

Signed-off-by: Artur Paszkiewicz <artur.paszkiewicz@intel.com>
Signed-off-by: Shaohua Li <shli@fb.com>

drivers/md/md.c		diff \| blob \| blame \| history
drivers/md/md.h		diff \| blob \| blame \| history
drivers/md/raid0.c		diff \| blob \| blame \| history
drivers/md/raid1.c		diff \| blob \| blame \| history
include/uapi/linux/raid/md_p.h		diff \| blob \| blame \| history

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