[PATCH RESEND 4/4] block/scsi_ioctl.c: use queue_logical_sector_size() in max_sectors_bytes()
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From: Tom Yan <hidden>
Date: 2020-09-06 01:25:50
Also in:
linux-scsi
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2020-09-06 · [PATCH RESEND 4/4] block/scsi_ioctl.c: use queue_logical_sector_size() in max_sectors_bytes() · Tom Yan <hidden>
Signed-off-by: Tom Yan <redacted> --- block/scsi_ioctl.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index ef722f04f88a..ae6aae40a8b6 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c@@ -73,10 +73,11 @@ static int sg_set_timeout(struct request_queue *q, int __user *p) static int max_sectors_bytes(struct request_queue *q) { unsigned int max_sectors = queue_max_sectors(q); + unsigned int logical_block_size = queue_logical_block_size(q); - max_sectors = min_t(unsigned int, max_sectors, INT_MAX >> 9); + max_sectors = min_t(unsigned int, max_sectors, USHRT_MAX); - return max_sectors << 9; + return max_sectors * logical_block_size; } static int sg_get_reserved_size(struct request_queue *q, int __user *p)
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2.28.0