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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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4
fs/btrfs/check-integrity.c
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@@ -2129,7 +2129,7 @@ static void btrfsic_bio_end_io(struct bio *bp)
/* mutex is not held! This is not save if IO is not yet completed
* on umount */
iodone_w_error = 0;
if (bp->bi_error)
if (bp->bi_status)
iodone_w_error = 1;
BUG_ON(NULL == block);
@@ -2143,7 +2143,7 @@ static void btrfsic_bio_end_io(struct bio *bp)
if ((dev_state->state->print_mask &
BTRFSIC_PRINT_MASK_END_IO_BIO_BH))
pr_info("bio_end_io(err=%d) for %c @%llu (%s/%llu/%d)\n",
bp->bi_error,
bp->bi_status,
btrfsic_get_block_type(dev_state->state, block),
block->logical_bytenr, dev_state->name,
block->dev_bytenr, block->mirror_num);