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[Xen-devel] [PATCH V4 7/9] blktrace: use helper in blk_trace_setup_lba()
- To: linux-block@xxxxxxxxxxxxxxx
- From: Chaitanya Kulkarni <chaitanya.kulkarni@xxxxxxx>
- Date: Mon, 8 Jul 2019 11:47:09 -0700
- Cc: damien.lemoal@xxxxxxx, linux-btrace@xxxxxxxxxxxxxxx, bvanassche@xxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, konrad.wilk@xxxxxxxxxx, Chaitanya Kulkarni <chaitanya.kulkarni@xxxxxxx>, yuchao0@xxxxxxxxxx, colyli@xxxxxxx, linux-bcache@xxxxxxxxxxxxxxx, jaegeuk@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, kent.overstreet@xxxxxxxxx, roger.pau@xxxxxxxxxx
- Delivery-date: Mon, 08 Jul 2019 18:48:04 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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@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;
--
2.17.0
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