Hello,
Jim Meyering <j...@meyering.net> writes:
> Pádraig Brady wrote:
>> I've just noticed that `tail -f` will not work over NFS
>> as changes on the remote system will not go through
>> the local VFS and so will not be noticed by inotify.
>>
>> So what to do? I suppose we could statfs("filename")
>
> Yes, I think something like that is required.
> For even less impact, call fstatfs on the file descriptor.
When this check should be done? At initialization before enter the
tail_forever/tail_forever_inotify loop? In this case, shouldn't we take
into account that the underyling FS can be changed when "tail -F" is
used? Like:
(sleep 5s; mount -F nfs server:/foo/bar /mnt/) &
tail -F /mnt/file
Cheers,
Giuseppe
