Shouldn't iget_locked be using u64 rather than unsigned long ino?

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Hi,

For a while now, I've been annoyed by the fact that function iget_locked
and friends (test_inode_iunique, find_inode_fast, ilookup, etc.) use
"unsigned long ino" rather than u64 for inode number. File systems need to be
consistent across multiple architectures, and 32-bits is hardly adequate for
modern storage. This can only result in problems and/or unnecessary restrictions
for file systems with block-number based inode numbers like gfs2, and/or force
them to kludge around it to prevent problems in mixed architectures.
(Not that anyone is likely to use GFS2 on a 32-bit arch, but still.) Opinions?

Regards,

Bob Peterson
Red Hat File Systems
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