nvmet-fc: Better size LS buffers

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Current code uses NVME_FC_MAX_LS_BUFFER_SIZE (2KB) when allocating
buffers for LS requests and responses. This is considerable overkill
for what is actually defined.

Rework code to have unions for all possible requests and responses
and size based on the unions.  Remove NVME_FC_MAX_LS_BUFFER_SIZE.

Signed-off-by: James Smart <jsmart2021@gmail.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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James Smart 2020-03-31 09:49:49 -07:00 • committed by Jens Axboe

parent ca19bcd086

commit 3b8281b02b

2 changed files with 38 additions and 30 deletions

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15

drivers/nvme/host/fc.h

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53

drivers/nvme/target/fc.c

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