[PATCH 001 of 2] md: Fix two raid10 bugs.

1/ When resyncing a degraded raid10 which has more than 2 copies of each block, garbage can get synced on top of good data. 2/ We round the wrong way in part of the device size calculation, which can cause confusion. Signed-off-by: Neil Brown <[EMAIL PROTECTED]> Cc: [EMAIL PROTECTED] ###

[PATCH 001 of 2] md: Fix two raid10 bugs.

1/ When resyncing a degraded raid10 which has more than 2 copies of each block, garbage can get synced on top of good data. 2/ We round the wrong way in part of the device size calculation, which can cause confusion. Signed-off-by: Neil Brown [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] ###