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@kernel.dk>
Tue, 13 Jun 2017 16:35:23 +0000 (10:35 -0600)
commit255ced694545b64740b6b3857e1c6f39816895c1
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