[PATCH V3 7/9] blktrace: use helper in blk_trace_setup_lba()

Chaitanya Kulkarni
2019-07-02T17:42:33Z

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 of part_nr_sects_read().

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
---
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;