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block: switch bios to blk_status_t

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Replace bi_error with a new bi_status to allow for a clear conversion.
Note that device mapper overloaded bi_error with a private value, which
we'll have to keep arround at least for now and thus propagate to a
proper blk_status_t value.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Christoph Hellwig
2017-06-03 09:38:06 +02:00
committed by Jens Axboe
parent fc17b6534e
commit 4e4cbee93d
106 changed files with 625 additions and 603 deletions
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5
drivers/md/dm-stripe.c
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@@ -375,7 +375,8 @@ static void stripe_status(struct dm_target *ti, status_type_t type,
}
}
static int stripe_end_io(struct dm_target *ti, struct bio *bio, int *error)
static int stripe_end_io(struct dm_target *ti, struct bio *bio,
blk_status_t *error)
{
unsigned i;
char major_minor[16];
@@ -387,7 +388,7 @@ static int stripe_end_io(struct dm_target *ti, struct bio *bio, int *error)
if (bio->bi_opf & REQ_RAHEAD)
return DM_ENDIO_DONE;
if (*error == -EOPNOTSUPP)
if (*error == BLK_STS_NOTSUPP)
return DM_ENDIO_DONE;
memset(major_minor, 0, sizeof(major_minor));