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authorLinus Walleij <linus.walleij@linaro.org>2019-02-11 09:17:23 +0100
committerLinus Walleij <linus.walleij@linaro.org>2019-02-11 09:17:23 +0100
commite65372124cd749ebbe4ac2abe5a511d7d1ac68db (patch)
tree1f9fd7cec6ffba19c76fff1e82c562fa1adae5da /include/linux/blktrace_api.h
parenta3240f09307ac978270d423b542f229e2ccc07b8 (diff)
parentd13937116f1e82bf508a6325111b322c30c85eb9 (diff)
Merge tag 'v5.0-rc6' into devel
Linux 5.0-rc6
Diffstat (limited to 'include/linux/blktrace_api.h')
-rw-r--r--include/linux/blktrace_api.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index 8804753805ac..7bb2d8de9f30 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -116,7 +116,13 @@ extern void blk_fill_rwbs(char *rwbs, unsigned int op, int bytes);
static inline sector_t blk_rq_trace_sector(struct request *rq)
{
- return blk_rq_is_passthrough(rq) ? 0 : blk_rq_pos(rq);
+ /*
+ * Tracing should ignore starting sector for passthrough requests and
+ * requests where starting sector didn't get set.
+ */
+ if (blk_rq_is_passthrough(rq) || blk_rq_pos(rq) == (sector_t)-1)
+ return 0;
+ return blk_rq_pos(rq);
}
static inline unsigned int blk_rq_trace_nr_sectors(struct request *rq)