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authorArtur Paszkiewicz <artur.paszkiewicz@intel.com>2017-03-09 11:59:57 +0300
committerShaohua Li <shli@fb.com>2017-03-17 02:55:53 +0300
commitea0213e0c7cc1c1b52badf27bd7db4f50a67baaa (patch)
treecc45803ce7ac13964e38403e03f9ea06559fa5e0 /drivers/md/raid5.h
parenteffe6ee7523aa50d0517bd7da141e112b44d89fa (diff)
downloadlinux-ea0213e0c7cc1c1b52badf27bd7db4f50a67baaa.tar.xz
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>
Diffstat (limited to 'drivers/md/raid5.h')
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