It's wrong to add len to sector_nr in raid10 reshape twice

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commit b761dcf121 upstream.

In reshape_request it already adds len to sector_nr already. It's wrong to add len to
sector_nr again after adding pages to bio. If there is bad block it can't copy one chunk
at a time, it needs to goto read_more. Now the sector_nr is wrong. It can cause data
corruption.

Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

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Xiao Ni 2019-03-08 23:52:05 +08:00 • committed by Ben Hutchings

parent 7a8c67f3ff

commit 6831d2d436

1 changed files with 0 additions and 1 deletions

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drivers/md/raid10.c

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