This patch updates the blk_trace_setup_lba() with newly introduced helper
function to read the nr_sects from block device's hd_parts with the
help if part_nr_sects_read() protected by appropriate locking.
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@xxxxxxx>
---
kernel/trace/blktrace.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index e1c6d79fb4cc..35ff49503b85 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -461,7 +461,7 @@ static void blk_trace_setup_lba(struct blk_trace *bt,
if (part) {
bt->start_lba = part->start_sect;
- bt->end_lba = part->start_sect + part->nr_sects;
+ bt->end_lba = part->start_sect + bdev_nr_sects(bdev);
} else {
bt->start_lba = 0;
bt->end_lba = -1ULL;
--
2.19.1
