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| author | Christoph Hellwig | 2017-04-20 16:03:11 +0200 |
|---|---|---|
| committer | Jens Axboe | 2017-04-20 20:16:10 +0200 |
| commit | e26738e037f34aedfe05e412f442833f44f4a6e5 (patch) | |
| tree | 6d5e21001ab640e94b64c169dec25664273cd822 | |
| parent | blk-mq: simplify __blk_mq_complete_request (diff) | |
| download | kernel-qcow2-linux-e26738e037f34aedfe05e412f442833f44f4a6e5.tar.gz kernel-qcow2-linux-e26738e037f34aedfe05e412f442833f44f4a6e5.tar.xz kernel-qcow2-linux-e26738e037f34aedfe05e412f442833f44f4a6e5.zip | |
block: add a error_count field to struct request
This is for the legacy floppy and ataflop drivers that currently abuse
->errors for this purpose. It's stashed away in a union to not grow
the struct size, the other fields are either used by modern drivers
for different purposes or the I/O scheduler before queing the I/O
to drivers.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
| -rw-r--r-- | include/linux/blkdev.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index e2064ed3c703..a3dcee624de3 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -175,6 +175,7 @@ struct request { struct rb_node rb_node; /* sort/lookup */ struct bio_vec special_vec; void *completion_data; + int error_count; /* for legacy drivers, don't use */ }; /* |