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authorNeilBrown <neilb@suse.de>2007-02-28 20:11:53 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-03-01 14:53:36 -0800
commitf416885ef4950501dd3858d1afa1137a0c2905c5 (patch)
tree77003957b071e5728fefedd905bf6f8c348fb4b3 /arch/frv/mm
parentb4c4c7b8095298ff4ce20b40bf180ada070812d0 (diff)
downloadlinux-2.6.34-ux500-f416885ef4950501dd3858d1afa1137a0c2905c5.tar.gz
[PATCH] md: add support for reshape of a raid6
i.e. one or more drives can be added and the array will re-stripe while on-line. Most of the interesting work was already done for raid5. This just extends it to raid6. mdadm newer than 2.6 is needed for complete safety, however any version of mdadm which support raid5 reshape will do a good enough job in almost all cases (an 'echo repair > /sys/block/mdX/md/sync_action' is recommended after a reshape that was aborted and had to be restarted with an such a version of mdadm). Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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