| commit | cb6934f8ea1a595902ca37e250e0917d4dd7b2a7 | |
| author | Jens Axboe <axboe@kernel.dk> | |
| Tue, 27 Jun 2017 15:22:02 +0000 (27 09:22 -0600) | ||
| committer | Jens Axboe <axboe@kernel.dk> | |
| Tue, 27 Jun 2017 18:05:27 +0000 (27 12:05 -0600) | ||
| tree | 4280f328f9b632f6940a613e852f264918619e55 | treesnapshot (tar.gz zip) |
| parent | c75b1d9421f80f4143e389d2d50ddfc8a28c8c35 | commitdiff |
block: add support for write hints in a bio
No functional changes in this patch, we just use up some holes
in the bio and request structures to define a write hint that
we psas down the stack.
Ensure that we don't merge requests that have different life time
hints assigned to them, and that we inherit the write hint when
cloning a bio.
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
No functional changes in this patch, we just use up some holes
in the bio and request structures to define a write hint that
we psas down the stack.
Ensure that we don't merge requests that have different life time
hints assigned to them, and that we inherit the write hint when
cloning a bio.
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>