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Re: [RFC] FSFS filesystem options (long, sorry)

From: Mattias Engdegård <mattias_at_virtutech.se>
Date: 2007-03-05 15:59:07 CET

"Michael Sinz" <Michael.Sinz@sinz.org> writes:

>(It is not like we are saving any storage space by not having it
>complete, even when/if we start talking about 650,000 revisions -
>that is only 6 characters of filename and even if stored in 32-bit
>unicode, that comes to 24 bytes within the inode or directory entry.
>(Unless we want to work on old PDP-11/RT-11 systems with 6.3
>character file names and over 1 million revisions :-)

It's not a matter of storage space but performance. Shorter names means
that more of them fit into a directory block on disk, more of them fit into
cache, and more of them are returned with each getdents() system call.

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Received on Mon Mar 5 16:00:27 2007

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