Re: [PATCH -V7 4/9] vfs: Add open by file handle support

[Steve French]

I think open by handle will turn out to be useful, but in discussing
various "duplicate inode number" checks that we are having to add to
cifs, it reminded me that we probably need a "generation number" or
some equivalent (birth time is probably good enough as well) to be
able to tell the case where a file is deleted and new file is created
reusing the same inode number (eventually Samba needs to return this
to posix clients if inode numbers are to be useful - and I don't know
how to tell Samba how to get birth time or generation numbers out of
stat in userspace)

-- 
Thanks,

Steve
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