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dm raid: avoid bitmap with raid4/5/6 journal device
[ Upstream commit d857ad75ed
]
With raid4/5/6, journal device and write intent bitmap are mutually exclusive.
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 1 additions and 1 deletions
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@ -2475,7 +2475,7 @@ static int super_validate(struct raid_set *rs, struct md_rdev *rdev)
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}
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/* Enable bitmap creation for RAID levels != 0 */
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mddev->bitmap_info.offset = rt_is_raid0(rs->raid_type) ? 0 : to_sector(4096);
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mddev->bitmap_info.offset = (rt_is_raid0(rs->raid_type) || rs->journal_dev.dev) ? 0 : to_sector(4096);
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mddev->bitmap_info.default_offset = mddev->bitmap_info.offset;
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if (!test_and_clear_bit(FirstUse, &rdev->flags)) {
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