| Message ID | 20221109193819.875478-3-alessandro.carminati@gmail.com |
|---|---|
| State | Accepted |
| Headers | show |
| Series | tst_find_backing_dev: fix stat fails /dev/root | expand |
Hello, Merged, thanks! I removed some trailing whitespace. Alessandro Carminati <alessandro.carminati@gmail.com> writes: > 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, 5 insertions(+), 2 deletions(-) > > diff --git a/doc/c-test-api.txt b/doc/c-test-api.txt > index 64ee3397f..a7888c242 100644 > --- a/doc/c-test-api.txt > +++ b/doc/c-test-api.txt > @@ -1071,8 +1071,11 @@ voud 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. > +to get the major/minor number of the path. > +This function finds the block dev that this path belongs to, it uses the unevent There are trailing whitespace on these lines > +file in sysfs to find the device name. It needs to discriminate between btrfs > +and not btrfs. For non btrfs filesystems it uses the minor, major numbers. For > +btrfs it uses the fs uuid. > > [source,c] > -------------------------------------------------------------------------------
diff --git a/doc/c-test-api.txt b/doc/c-test-api.txt index 64ee3397f..a7888c242 100644 --- a/doc/c-test-api.txt +++ b/doc/c-test-api.txt @@ -1071,8 +1071,11 @@ voud 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. +to get the major/minor number of the path. +This function finds the block dev that this path belongs to, it uses the unevent +file in sysfs to find the device name. It needs to discriminate between btrfs +and not btrfs. For non btrfs filesystems it uses the minor, major numbers. For +btrfs it uses the fs uuid. [source,c] -------------------------------------------------------------------------------
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, 5 insertions(+), 2 deletions(-)