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Return values of expected type by the block layer

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Signed-off-by: Michal Rakowski <michal.rakowski@intel.com>
This commit is contained in:
Michal Rakowski
2019-09-06 16:13:50 +02:00
parent 02ce30adf5
commit a904a5bf66
6 changed files with 57 additions and 23 deletions
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10
modules/cas_disk/exp_obj.c
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@@ -91,7 +91,7 @@ CAS_DECLARE_BLOCK_CALLBACK(_casdsk_exp_obj_bio_pt_io, struct bio *bio,
io = bio->bi_private;
BUG_ON(!io);
CAS_BIO_ENDIO(io->bio, CAS_BIO_BISIZE(io->bio),
CAS_BLOCK_CALLBACK_ERROR(bio, error));
CAS_BLOCK_CALLBACK_ERROR(bio, CAS_ERRNO_TO_BLK_STS(error)));
if (atomic_dec_return(&io->dsk->exp_obj->pt_ios) < 0)
BUG();
@@ -110,14 +110,14 @@ static inline void _casdsk_exp_obj_handle_bio_pt(struct casdsk_disk *dsk,
io = kmem_cache_zalloc(casdsk_module->pt_io_ctx_cache, GFP_ATOMIC);
if (!io) {
CAS_BIO_ENDIO(bio, CAS_BIO_BISIZE(bio), -ENOMEM);
CAS_BIO_ENDIO(bio, CAS_BIO_BISIZE(bio), CAS_ERRNO_TO_BLK_STS(-ENOMEM));
return;
}
cloned_bio = cas_bio_clone(bio, GFP_ATOMIC);
if (!cloned_bio) {
kmem_cache_free(casdsk_module->pt_io_ctx_cache, io);
CAS_BIO_ENDIO(bio, CAS_BIO_BISIZE(bio), -ENOMEM);
CAS_BIO_ENDIO(bio, CAS_BIO_BISIZE(bio), CAS_ERRNO_TO_BLK_STS(-ENOMEM));
return;
}
@@ -141,7 +141,7 @@ static inline void _casdsk_exp_obj_handle_bio(struct casdsk_disk *dsk,
else if (casdsk_disk_is_pt(dsk))
_casdsk_exp_obj_handle_bio_pt(dsk, q, bio);
else if (casdsk_disk_is_shutdown(dsk))
CAS_BIO_ENDIO(bio, CAS_BIO_BISIZE(bio), -EIO);
CAS_BIO_ENDIO(bio, CAS_BIO_BISIZE(bio), CAS_ERRNO_TO_BLK_STS(-EIO));
else
BUG();
}
@@ -434,7 +434,7 @@ static CAS_BLK_STATUS_T _casdsk_exp_obj_queue_qr(struct blk_mq_hw_ctx *hctx,
struct casdsk_disk *dsk = hctx->driver_data;
struct casdsk_exp_obj *exp_obj = dsk->exp_obj;
struct request *rq = bd->rq;
int result = 0;
CAS_BLK_STATUS_T result = CAS_BLK_STS_OK;
if (likely(exp_obj->ops && exp_obj->ops->queue_rq_fn)) {
exp_obj->ops->pending_rq_inc(dsk, dsk->private);