block: add support for carrying stream information in a bio
authorJens Axboe <axboe@kernel.dk>
Tue, 13 Jun 2017 16:35:23 +0000 (10:35 -0600)
committerJens Axboe <axboe@fb.com>
Tue, 13 Jun 2017 20:47:44 +0000 (14:47 -0600)
commit2ff04ea3aede3af009cd2a305867dd9254514e81
tree862bb8d029b992cce1b562ec122fd70479ca39aa
parent63f700aab4c11d46626de3cd051dae56cf7e9056
block: add support for carrying stream information in a bio

No functional changes in this patch, but it allows each bio to
carry a stream ID and disallows merging of bio's with different
stream IDs.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/bio.c
block/blk-merge.c
include/linux/blk_types.h