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block: Make struct request_queue smaller for CONFIG_BLK_DEV_ZONED=n

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Exclude zoned block device members from struct request_queue for
CONFIG_BLK_DEV_ZONED == n. Avoid breaking the build by only building
the code that uses these struct request_queue members if
CONFIG_BLK_DEV_ZONED != n.

Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Cc: Matias Bjorling <mb@lightnvm.io>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Bart Van Assche
2018-06-15 14:55:21 -07:00
committed by Jens Axboe
parent 7c8542b798
commit 6a5ac98465
6 changed files with 44 additions and 15 deletions
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4
block/Kconfig
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@@ -177,6 +177,10 @@ config BLK_DEBUG_FS
Unless you are building a kernel for a tiny system, you should
say Y here.
config BLK_DEBUG_FS_ZONED
bool
default BLK_DEBUG_FS && BLK_DEV_ZONED
config BLK_SED_OPAL
bool "Logic for interfacing with Opal enabled SEDs"
---help---