aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/include
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@lst.de>2017-06-03 09:38:06 +0200
committerJens Axboe <axboe@fb.com>2017-06-09 09:27:32 -0600
commit4e4cbee93d56137ebff722be022cae5f70ef84fb (patch)
tree4fa7345155599fc6bdd653fca8c5224ddf90a5be /include
parentblk-mq: switch ->queue_rq return value to blk_status_t (diff)
downloadwireguard-linux-4e4cbee93d56137ebff722be022cae5f70ef84fb.tar.xz
wireguard-linux-4e4cbee93d56137ebff722be022cae5f70ef84fb.zip
block: switch bios to blk_status_t
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>
Diffstat (limited to 'include')
-rw-r--r--include/linux/bio.h2
-rw-r--r--include/linux/blk_types.h5
-rw-r--r--include/linux/blkdev.h2
-rw-r--r--include/linux/device-mapper.h2
4 files changed, 7 insertions, 4 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h
index d1b04b0e99cf..9455aada1399 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -414,7 +414,7 @@ extern void bio_endio(struct bio *);
static inline void bio_io_error(struct bio *bio)
{
- bio->bi_error = -EIO;
+ bio->bi_status = BLK_STS_IOERR;
bio_endio(bio);
}
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index 59378939a8cd..dcd45b15a3a5 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -33,6 +33,9 @@ typedef u8 __bitwise blk_status_t;
#define BLK_STS_RESOURCE ((__force blk_status_t)9)
#define BLK_STS_IOERR ((__force blk_status_t)10)
+/* hack for device mapper, don't use elsewhere: */
+#define BLK_STS_DM_REQUEUE ((__force blk_status_t)11)
+
struct blk_issue_stat {
u64 stat;
};
@@ -44,7 +47,7 @@ struct blk_issue_stat {
struct bio {
struct bio *bi_next; /* request queue link */
struct block_device *bi_bdev;
- int bi_error;
+ blk_status_t bi_status;
unsigned int bi_opf; /* bottom bits req flags,
* top bits REQ_OP. Use
* accessors.
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 2a8871638453..76b6df862a12 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1782,7 +1782,7 @@ struct blk_integrity_iter {
const char *disk_name;
};
-typedef int (integrity_processing_fn) (struct blk_integrity_iter *);
+typedef blk_status_t (integrity_processing_fn) (struct blk_integrity_iter *);
struct blk_integrity_profile {
integrity_processing_fn *generate_fn;
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 5de5c53251ec..456da5017b32 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -72,7 +72,7 @@ typedef void (*dm_release_clone_request_fn) (struct request *clone);
* 2 : The target wants to push back the io
*/
typedef int (*dm_endio_fn) (struct dm_target *ti,
- struct bio *bio, int *error);
+ struct bio *bio, blk_status_t *error);
typedef int (*dm_request_endio_fn) (struct dm_target *ti,
struct request *clone, blk_status_t error,
union map_info *map_context);