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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/nfs/blocklayout/blocklayout.c
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@@ -188,7 +188,7 @@ static void bl_end_io_read(struct bio *bio)
{
struct parallel_io *par = bio->bi_private;
if (bio->bi_error) {
if (bio->bi_status) {
struct nfs_pgio_header *header = par->data;
if (!header->pnfs_error)
@@ -319,7 +319,7 @@ static void bl_end_io_write(struct bio *bio)
struct parallel_io *par = bio->bi_private;
struct nfs_pgio_header *header = par->data;
if (bio->bi_error) {
if (bio->bi_status) {
if (!header->pnfs_error)
header->pnfs_error = -EIO;
pnfs_set_lo_fail(header->lseg);