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charset="utf-8" Flag REQ_ATOMIC can only be set for writes, so don't check if the operation is also a write in sd_setup_read_write_cmnd(). Fixes: bf4ae8f2e640 ("scsi: sd: Atomic write support") Signed-off-by: John Garry Reviewed-by: Kanchan Joshi --- drivers/scsi/sd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 8bb3a3611851..2ab47fb50c75 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1382,7 +1382,7 @@ static blk_status_t sd_setup_read_write_cmnd(struct s= csi_cmnd *cmd) if (protect && sdkp->protection_type =3D=3D T10_PI_TYPE2_PROTECTION) { ret =3D sd_setup_rw32_cmnd(cmd, write, lba, nr_blocks, protect | fua, dld); - } else if (rq->cmd_flags & REQ_ATOMIC && write) { + } else if (rq->cmd_flags & REQ_ATOMIC) { ret =3D sd_setup_atomic_cmnd(cmd, lba, nr_blocks, sdkp->use_atomic_write_boundary, protect | fua); --=20 2.31.1 From nobody Fri Dec 19 20:37:38 2025 Received: from mx0a-00069f02.pphosted.com (mx0a-00069f02.pphosted.com [205.220.165.32]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C77A615698D; 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charset="utf-8" We check in submit_bio_noacct() if flag REQ_ATOMIC is set for both read and write operations, and then validate the atomic operation if set. Flag REQ_ATOMIC can only be set for writes, so don't bother checking for reads. Fixes: 9da3d1e912f3 ("block: Add core atomic write support") Signed-off-by: John Garry Reviewed-by: Kanchan Joshi --- block/blk-core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/block/blk-core.c b/block/blk-core.c index 1217c2cd66dd..bc5e8c5eaac9 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -799,6 +799,7 @@ void submit_bio_noacct(struct bio *bio) =20 switch (bio_op(bio)) { case REQ_OP_READ: + break; case REQ_OP_WRITE: if (bio->bi_opf & REQ_ATOMIC) { status =3D blk_validate_atomic_write_op_size(q, bio); --=20 2.31.1