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| author |   Christoph Hellwig <hch@lst.de> | 2019-03-13 18:55:05 +0100 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2019-03-13 12:57:34 -0600 |
| commit | 7b210e4ed5e281728243799c5e2b84d3f70d4dd1 (patch) | |
| tree | c45af5ae82087a14bfc71bbd0292f53ed124fce4 /drivers/nvme/host/nvme.h | |
| parent | nvmet-fc: bring Disconnect into compliance with FC-NVME spec (diff) | |
| download | linux-dev-7b210e4ed5e281728243799c5e2b84d3f70d4dd1.tar.xz linux-dev-7b210e4ed5e281728243799c5e2b84d3f70d4dd1.zip | |
nvme: disable Write Zeroes for qemu controllers
Qemu started out with a broken implementation of Write Zeroes written
by yours truly. Disable Write Zeroes on qemu for now, eventually
we need to go back and make all the qemu quirks version specific,
but that is left for another time.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Tested-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to '')
| -rw-r--r-- | drivers/nvme/host/nvme.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index b91f1838bbd5..527d64545023 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -87,6 +87,11 @@ enum nvme_quirks { * Ignore device provided subnqn. */ NVME_QUIRK_IGNORE_DEV_SUBNQN = (1 << 8), + + /* + * Broken Write Zeroes. + */ + NVME_QUIRK_DISABLE_WRITE_ZEROES = (1 << 9), }; /* |