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| author | NeilBrown <neilb@suse.de> | 2011-12-22 23:57:00 +0100 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2011-12-22 23:57:00 +0100 |
| commit | 30d7a4836847bdb10b32c78a4879d4aebe0f193b (patch) | |
| tree | 039d4eaec57d67cbfc49d92f12e592b46c251c01 /drivers/md/md.c | |
| parent | md/linear: fix hot-add of devices to linear arrays. (diff) | |
| download | linux-30d7a4836847bdb10b32c78a4879d4aebe0f193b.tar.xz linux-30d7a4836847bdb10b32c78a4879d4aebe0f193b.zip | |
md/raid5: ensure correct assessment of drives during degraded reshape.
While reshaping a degraded array (as when reshaping a RAID0 by first
converting it to a degraded RAID4) we currently get confused about
which devices are in_sync. In most cases we get it right, but in the
region that is being reshaped we need to treat non-failed devices as
in-sync when we have the data but haven't actually written it out yet.
Reported-by: Adam Kwolek <adam.kwolek@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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