[LTP] [PATCH 2/2] doc/c-test-api.txt: Improve tst_find_backing_dev() doc
Richard Palethorpe
rpalethorpe@suse.de
Mon Nov 14 11:25:10 CET 2022
Hello,
Petr Vorel <pvorel@suse.cz> writes:
> Doc added in 606903cf8 was too complicated. Also there was repeating
> sentence, typo 'unevent'.
>
> While at it, fix also 'voud' typo from 9343d0486.
>
> Fixes: 606903cf8 ("c-test-api: Documentation updated")
> Fixes: 9343d0486 ("tst_device: Add new api tst_find_backing_dev(path, dev)")
>
> Signed-off-by: Petr Vorel <pvorel@suse.cz>
Thanks
Acked-by: Richard Palethorpe <rpalethorpe@suse.com>
> ---
> doc/c-test-api.txt | 9 +++------
> 1 file changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/doc/c-test-api.txt b/doc/c-test-api.txt
> index 8844d9f2f..834a342fd 100644
> --- a/doc/c-test-api.txt
> +++ b/doc/c-test-api.txt
> @@ -1075,12 +1075,9 @@ is created for that intention.
> 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.
> -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.
> +This function finds the block dev that this path belongs to, using uevent in sysfs.
> +For Btrfs it uses '/sys/fs/btrfs/UUID/devices/DEV_NAME/uevent'; for other
> +filesystems it uses '/sys/dev/block/MAJOR:MINOR/uevent'.
>
> [source,c]
> -------------------------------------------------------------------------------
--
Thank you,
Richard.
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