diff mbox series

[8/8] blktrace: use helper in blk_trace_setup_lba()

Message ID 20190613145955.4813-9-chaitanya.kulkarni@wdc.com (mailing list archive)
State Superseded
Headers show
Series block: use right accessor to read nr_sects | expand

Commit Message

Chaitanya Kulkarni June 13, 2019, 2:59 p.m. UTC 
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@wdc.com>
---
 kernel/trace/blktrace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

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;