Hello Brian, On 02/08/2017 02:13 AM, Brian Masney wrote: > The description of FAT_IOCTL_GET_VOLUME_ID references volume name, when > it really should be volume ID since the volume label is different in the > FAT filesystem. This patch renames the incorrect volume name references > to volume id. > > This man page supplies an example display_fat_volume_id.c program that > can be used to read the volume ID (serial number) from a filesystem. > Here is an additional test showing that the volume ID and volume name > are two different entities: > > $ dd if=/dev/zero of=fat_volume bs=1M count=1 > $ mkfs.fat -v -n MASNEYB fat_volume > [snip] > Volume ID is da8cecf2, volume label MASNEYB . > $ sudo mount -o loop fat_volume /mnt > $ ./display_fat_volume_id /mnt/ > Volume ID da8c-ecf2 Thanks for the patch, and the omformative commit message! Applied. Cheers, Michael > Signed-off-by: Brian Masney <masneyb@xxxxxxxxxxxxx> > --- > man2/ioctl_fat.2 | 12 ++++++------ > 1 file changed, 6 insertions(+), 6 deletions(-) > > diff --git a/man2/ioctl_fat.2 b/man2/ioctl_fat.2 > index 1417b61..aa6e9f8 100644 > --- a/man2/ioctl_fat.2 > +++ b/man2/ioctl_fat.2 > @@ -88,9 +88,9 @@ It is reset by an archiving system. > The zero value > .B ATTR_NONE > can be used to indicate that no attribute bit is set. > -.SS Reading the volume label > -FAT filesystems are identified by a volume label. > -The volume label can be read with > +.SS Reading the volume ID > +FAT filesystems are identified by a volume ID. > +The volume ID can be read with > .BR FAT_IOCTL_GET_VOLUME_ID . > .PP > The > @@ -106,7 +106,7 @@ flag. > The > .I id > argument is a pointer to the field that will be filled with the volume ID. > -Typically the volume label is displayed to the user as a group of two > +Typically the volume ID is displayed to the user as a group of two > 16-bit fields: > .PP > .in +4n > @@ -347,10 +347,10 @@ main(int argc, char *argv[]) > } > .fi > .in > -.SS Reading the volume label > +.SS Reading the volume ID > The following program demonstrates the use of > .BR ioctl (2) > -to display the volume label of a FAT filesystem. > +to display the volume ID of a FAT filesystem. > .PP > The following output was recorded when applying the program for > directory > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/ -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
