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Remove blkdev_can_hndl_bio() function

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This check will always return 0, as none of kernel versions supported
by Open CAS sets a barrier flag in for bio. Those flags are exclusive to
struct request, which is no longer used by Open CAS.

Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
This commit is contained in:
Robert Baldyga
2022-09-27 16:36:48 +02:00
parent 3aaef69905
commit 64420d7ce7
2 changed files with 0 additions and 59 deletions
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17
modules/cas_cache/volume/vol_block_dev_top.c
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@@ -30,17 +30,6 @@ static void blkdev_set_bio_data(struct blk_data *data, struct bio *bio)
#endif
}
static inline int blkdev_can_hndl_bio(struct bio *bio)
{
if (CAS_CHECK_BARRIER(bio)) {
CAS_PRINT_RL(KERN_WARNING
"special bio was sent, not supported!\n");
return -ENOTSUPP;
}
return 0;
}
void blkdev_set_exported_object_flush_fua(ocf_core_t core)
{
ocf_cache_t cache = ocf_core_get_cache(core);
@@ -428,12 +417,6 @@ static void blkdev_handle_bio(struct bd_object *bvol, struct bio *bio)
static void blkdev_submit_bio(struct bd_object *bvol, struct bio *bio)
{
if (blkdev_can_hndl_bio(bio)) {
CAS_BIO_ENDIO(bio, CAS_BIO_BISIZE(bio),
CAS_ERRNO_TO_BLK_STS(-ENOTSUPP));
return;
}
if (in_interrupt())
blkdev_defer_bio(bvol, bio, blkdev_handle_bio);
else