[Box Backup] Question about mount-point parsing
Joe Krahn
boxbackup@fluffy.co.uk
Mon, 13 Dec 2004 16:04:48 -0500
Ben Summers wrote:
>
> On 13 Dec 2004, at 17:18, Joe Krahn wrote:
>
>> Is the mount-point lookup in BackupDaemon.cpp related to avoiding 'one
>> filesystem' problems?
>
>
> No.
>
>>
>> The comment says:
>> // Linux can't tell you where a directory is mounted. So we have to
>> // read the mount entries from /etc/mtab! Bizarre that the OS itself
>> // can't tell you, but there you go.
>>
>> This is sort of what the stat.st_dev field is for, but not exactly.
>> Depends what you're trying to do.
>
>
> For this purpose, the integer device ID isn't good enough and the actual
> name is required.
>
> Ben
OK, but what is the purpose of determining the mount point?
Joe