md/raid10: Handle write errors by updating badblock log.
authorNeilBrown <neilb@suse.de>
Thu, 28 Jul 2011 01:39:24 +0000 (11:39 +1000)
committerNeilBrown <neilb@suse.de>
Thu, 28 Jul 2011 01:39:24 +0000 (11:39 +1000)
commitbd870a16c5946d86126f7203db3c73b71de0a1d8
tree3492f61a441266c796b8a08ec30c06f7f6f27fbc
parent749c55e942d91cb27045fe2eb313aa5afe68ae0b
md/raid10:  Handle write errors by updating badblock log.

When we get a write error (in the data area, not in metadata),
update the badblock log rather than failing the whole device.

As the write may well be many blocks, we trying writing each
block individually and only log the ones which fail.

Signed-off-by: NeilBrown <neilb@suse.de>
drivers/md/raid10.c
drivers/md/raid10.h