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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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6
drivers/md/bcache/io.c
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@@ -50,7 +50,7 @@ void bch_submit_bbio(struct bio *bio, struct cache_set *c,
/* IO errors */
void bch_count_io_errors(struct cache *ca, int error, const char *m)
void bch_count_io_errors(struct cache *ca, blk_status_t error, const char *m)
{
/*
* The halflife of an error is:
@@ -103,7 +103,7 @@ void bch_count_io_errors(struct cache *ca, int error, const char *m)
}
void bch_bbio_count_io_errors(struct cache_set *c, struct bio *bio,
int error, const char *m)
blk_status_t error, const char *m)
{
struct bbio *b = container_of(bio, struct bbio, bio);
struct cache *ca = PTR_CACHE(c, &b->key, 0);
@@ -132,7 +132,7 @@ void bch_bbio_count_io_errors(struct cache_set *c, struct bio *bio,
}
void bch_bbio_endio(struct cache_set *c, struct bio *bio,
int error, const char *m)
blk_status_t error, const char *m)
{
struct closure *cl = bio->bi_private;