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| author | Martin K. Petersen <martin.petersen@oracle.com> | 2014-09-27 01:19:56 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2014-09-27 17:14:46 +0200 |
| commit | 180b2f95dd331010a9930a65c8a18d6d81b94dc1 (patch) | |
| tree | 8ceb4a28e15e1e588b52022a844f81daabd0f92d /block/blk-integrity.c | |
| parent | block: Get rid of bdev_integrity_enabled() (diff) | |
| download | linux-180b2f95dd331010a9930a65c8a18d6d81b94dc1.tar.xz linux-180b2f95dd331010a9930a65c8a18d6d81b94dc1.zip | |
block: Replace bi_integrity with bi_special
For commands like REQ_COPY we need a way to pass extra information along
with each bio. Like integrity metadata this information must be
available at the bottom of the stack so bi_private does not suffice.
Rename the existing bi_integrity field to bi_special and make it a union
so we can have different bio extensions for each class of command.
We previously used bi_integrity != NULL as a way to identify whether a
bio had integrity metadata or not. Introduce a REQ_INTEGRITY to be the
indicator now that bi_special can contain different things.
In addition, bio_integrity(bio) will now return a pointer to the
integrity payload (when applicable).
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-integrity.c')
0 files changed, 0 insertions, 0 deletions