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authorJohn Garry <john.g.garry@oracle.com>2024-08-05 13:33:15 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2024-08-13 00:03:38 +0200
commitea6787c695ab7595d851c3506f67c157f3b593c0 (patch)
tree417a7bdb6d95a2d3896ee4e08d7c5aa76e4c94d8 /block
parentscsi: sd: Don't check if a write for REQ_ATOMIC (diff)
downloadlinux-ea6787c695ab7595d851c3506f67c157f3b593c0.tar.xz
linux-ea6787c695ab7595d851c3506f67c157f3b593c0.zip
scsi: block: Don't check REQ_ATOMIC for reads
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 <john.g.garry@oracle.com> Link: https://lore.kernel.org/r/20240805113315.1048591-3-john.g.garry@oracle.com Reviewed-by: Kanchan Joshi <joshi.k@samsung.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'block')
-rw-r--r--block/blk-core.c1
1 files changed, 1 insertions, 0 deletions
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)
switch (bio_op(bio)) {
case REQ_OP_READ:
+ break;
case REQ_OP_WRITE:
if (bio->bi_opf & REQ_ATOMIC) {
status = blk_validate_atomic_write_op_size(q, bio);