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authorChristoph Hellwig <hch@lst.de>2022-02-09 09:28:23 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2022-02-23 03:11:08 +0100
commita34592ff6b78e84e11b19183b60cd240737f76f9 (patch)
tree1e1819e1ade7df3011087d1f647ca8120f1df5ae /drivers/block/drbd/drbd_worker.c
parentscsi: cxlflash: Query write_zeroes limit for zeroing (diff)
downloadlinux-a34592ff6b78e84e11b19183b60cd240737f76f9.tar.xz
linux-a34592ff6b78e84e11b19183b60cd240737f76f9.zip
scsi: drbd: Remove WRITE_SAME support
REQ_OP_WRITE_SAME was only ever submitted by the legacy Linux zeroing code, which has switched to use REQ_OP_WRITE_ZEROES long ago. Link: https://lore.kernel.org/r/20220209082828.2629273-3-hch@lst.de Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/block/drbd/drbd_worker.c')
-rw-r--r--drivers/block/drbd/drbd_worker.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index 64563bfdf0da..934bfb5d98d0 100644
--- a/drivers/block/drbd/drbd_worker.c
+++ b/drivers/block/drbd/drbd_worker.c
@@ -329,11 +329,6 @@ void drbd_csum_bio(struct crypto_shash *tfm, struct bio *bio, void *digest)
src = kmap_atomic(bvec.bv_page);
crypto_shash_update(desc, src + bvec.bv_offset, bvec.bv_len);
kunmap_atomic(src);
-
- /* REQ_OP_WRITE_SAME has only one segment,
- * checksum the payload only once. */
- if (bio_op(bio) == REQ_OP_WRITE_SAME)
- break;
}
crypto_shash_final(desc, digest);
shash_desc_zero(desc);