[LTP] [PATCH 2/2] c-test-api: Documentation updated

Alessandro Carminati
2022-10-26T14:10:40Z

Since the tst_find_backing_dev logic is changed, the doc is updated
accordingly.

Signed-off-by: Alessandro Carminati <alessandro.carminati@gmail.com>
---
doc/c-test-api.txt | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/doc/c-test-api.txt b/doc/c-test-api.txt
index 64ee3397f..b579e85ee 100644
--- a/doc/c-test-api.txt
+++ b/doc/c-test-api.txt
@@ -1067,12 +1067,11 @@ is created for that intention.
-------------------------------------------------------------------------------
#include "tst_test.h"

-voud tst_find_backing_dev(const char *path, char *dev);
+void tst_find_backing_dev(const char *path, char *dev);
-------------------------------------------------------------------------------

-This function finds the block dev that this path belongs to, it uses stat function
-to get the major/minor number of the path. Then scan them in '/proc/self/mountinfo'
-and list 2th column value after ' - ' string as its block dev if match succeeds.
+This function finds the block dev that this path belongs to, it uses the unevent
+file in sysfs to find the device name from the major and minor numbers.

[source,c]
-------------------------------------------------------------------------------