forked from luck/tmp_suning_uos_patched
md: fix some comments.
1/ Raid5 has learned to take over also raid4 and raid6 arrays. 2/ new_chunk in mdp_superblock_1 is in sectors, not bytes. Signed-off-by: NeilBrown <neilb@suse.de>
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@ -5231,8 +5231,6 @@ static void *raid5_takeover(mddev_t *mddev)
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* raid1 - if there are two drives. We need to know the chunk size
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* raid4 - trivial - just use a raid4 layout.
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* raid6 - Providing it is a *_6 layout
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*
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* For now, just do raid1
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*/
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if (mddev->level == 1)
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@ -232,7 +232,7 @@ struct mdp_superblock_1 {
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__le64 reshape_position; /* next address in array-space for reshape */
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__le32 delta_disks; /* change in number of raid_disks */
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__le32 new_layout; /* new layout */
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__le32 new_chunk; /* new chunk size (bytes) */
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__le32 new_chunk; /* new chunk size (512byte sectors) */
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__u8 pad1[128-124]; /* set to 0 when written */
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/* constant this-device information - 64 bytes */
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