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authorMing Lei <ming.lei@redhat.com>2025-03-21 03:47:58 +0300
committerJens Axboe <axboe@kernel.dk>2025-03-21 05:01:03 +0300
commit96af5af47b5407972689929543c73a39b477c8ba (patch)
treef0ff7f771d05e4846d09c4bad55a91981a51de74
parentbeb31982ad6b77249bf8535e71da2629af92b458 (diff)
downloadlinux-96af5af47b5407972689929543c73a39b477c8ba.tar.xz
selftests: ublk: fix write cache implementation
For loop target, write cache isn't enabled, and each write isn't be marked as DSYNC too. Fix it by enabling write cache, meantime fix FLUSH implementation by not taking LBA range into account, and there isn't such info for FLUSH command. Signed-off-by: Ming Lei <ming.lei@redhat.com> Link: https://lore.kernel.org/r/20250321004758.152572-1-ming.lei@redhat.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--tools/testing/selftests/ublk/file_backed.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/tools/testing/selftests/ublk/file_backed.c b/tools/testing/selftests/ublk/file_backed.c
index 38e68b414962..8a07356eccaf 100644
--- a/tools/testing/selftests/ublk/file_backed.c
+++ b/tools/testing/selftests/ublk/file_backed.c
@@ -123,10 +123,7 @@ static int loop_queue_tgt_io(struct ublk_queue *q, int tag)
sqe = ublk_queue_alloc_sqe(q);
if (!sqe)
return -ENOMEM;
- io_uring_prep_sync_file_range(sqe, 1 /*fds[1]*/,
- iod->nr_sectors << 9,
- iod->start_sector << 9,
- IORING_FSYNC_DATASYNC);
+ io_uring_prep_fsync(sqe, 1 /*fds[1]*/, IORING_FSYNC_DATASYNC);
io_uring_sqe_set_flags(sqe, IOSQE_FIXED_FILE);
q->io_inflight++;
sqe->user_data = build_user_data(tag, ublk_op, UBLK_IO_TGT_NORMAL, 1);
@@ -187,6 +184,7 @@ static int ublk_loop_tgt_init(struct ublk_dev *dev)
struct ublk_params p = {
.types = UBLK_PARAM_TYPE_BASIC | UBLK_PARAM_TYPE_DMA_ALIGN,
.basic = {
+ .attrs = UBLK_ATTR_VOLATILE_CACHE,
.logical_bs_shift = 9,
.physical_bs_shift = 12,
.io_opt_shift = 12,