| Message ID | 20250616160509.52491-1-ming.lei@redhat.com |
|---|---|
| State | New |
| Headers | show |
| Series | scsi: storvsc: set max_segment_size as UINT_MAX explicitly | expand |
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index 2e6b2412d2c9..1e7ad85f4ba3 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -1897,6 +1897,7 @@ static struct scsi_host_template scsi_driver = { .no_write_same = 1, .track_queue_depth = 1, .change_queue_depth = storvsc_change_queue_depth, + .max_segment_size = 0xffffffff, }; enum {
Set max_segment_size as UINT_MAX explicitly: - storvrc uses virt_boundary to define `segment` - strovrc does not define max_segment_size So define max_segment_size as UINT_MAX, otherwise __blk_rq_map_sg() takes default 64K max segment size and splits one virtual segment into two parts, then breaks virt_boundary limit. Before commit ec84ca4025c0 ("scsi: block: Remove now unused queue limits helpers"), max segment size is set as UINT_MAX in case that virt_boundary is defined. Cc: "K. Y. Srinivasan" <kys@microsoft.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Cc: Wei Liu <wei.liu@kernel.org> Cc: Christoph Hellwig <hch@lst.de> Cc: Ewan D. Milne <emilne@redhat.com> Cc: Laurence Oberman <loberman@redhat.com> Fixes: ec84ca4025c0 ("scsi: block: Remove now unused queue limits helpers") Signed-off-by: Ming Lei <ming.lei@redhat.com> --- drivers/scsi/storvsc_drv.c | 1 + 1 file changed, 1 insertion(+)