git.kernel.dk Git - linux-2.6-block.git/commit

author	Jens Axboe <axboe@kernel.dk>
	Mon, 26 Jun 2017 14:55:45 +0000 (08:55 -0600)
committer	Jens Axboe <axboe@kernel.dk>
	Mon, 26 Jun 2017 15:31:37 +0000 (09:31 -0600)
commit	2c5e34ad7267745bf6a9d87e654d1e364b24e4a0
tree	59fd6436298f1f14341cd2fcd447a13446cb4b37	tree
parent	8687e286e58239b16324a0cc0a04425366436abb	commit \| diff

block: add support for write hints in a bio

No functional changes in this patch, we just set aside 3 bits
in the bio/request flags, which can be used to hold a WRITE_LIFE_*
life time hint.

Ensure that we don't merge requests that have different life time
hints assigned to them.

Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

block/blk-merge.c		diff \| blob \| blame \| history
fs/inode.c		diff \| blob \| blame \| history
include/linux/blk_types.h		diff \| blob \| blame \| history
include/linux/fs.h		diff \| blob \| blame \| history

Linux 6.x block layer and io_uring tree(s)

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