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(parent: 08b9cc3) | patch
bcache: don't write back data if reading it failed
authorMichael Lyle <mlyle@lyle.org>
Fri, 13 Oct 2017 23:35:35 +0000 (16:35 -0700)
committerJens Axboe <axboe@kernel.dk>
Mon, 16 Oct 2017 15:07:26 +0000 (09:07 -0600)
commit04cf1c553457f4637e37558738ca316967ca4c99
treeb6c92d9d66ba6b6778b1860b431354892cd0f95btree | snapshot
parent08b9cc34cc632289095c645a85d817ebdd7dbfe7commit | diff
bcache: don't write back data if reading it failed

If an IO operation fails, and we didn't successfully read data from the
cache, don't writeback invalid/partial data to the backing disk.

Signed-off-by: Michael Lyle <mlyle@lyle.org>
Reviewed-by: Coly Li <colyli@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/md/bcache/writeback.c diff | blob | history
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