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author | NeilBrown <neilb@suse.de> | 2014-01-14 04:55:14 (GMT) |
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committer | NeilBrown <neilb@suse.de> | 2014-01-14 05:44:21 (GMT) |
commit | 7eb418851f3278de67126ea0c427641ab4792c57 (patch) | |
tree | 6faa679f307ec0d333765bc87baa50021ebd9959 /drivers/md/raid10.c | |
parent | f466722ca614edcd14f3337373f33132117c7612 (diff) | |
download | linux-7eb418851f3278de67126ea0c427641ab4792c57.tar.xz |
md: allow a partially recovered device to be hot-added to an array.
When adding a new device into an array it is normally important to
clear any stale data from ->recovery_offset else the new device may
not be recovered properly.
However when re-adding a device which is known to be nearly in-sync,
this is not needed and can be detrimental. The (bitmap-based)
resync will still happen, and further recovery is only needed from
where-ever it was already up to.
So if save_raid_disk is set, signifying a re-add, don't clear
->recovery_offset.
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md/raid10.c')
0 files changed, 0 insertions, 0 deletions