Reserving Space on Disk

[Topher Eliot]

|> Alternetly how about mmap?  You can mmap a half a meg at a time, that ought
|> to reduce the number of syscalls, only write once every 8K (or whatever
|> the disk block size is) reducing the memmory bandwidth, but will this result
|> in fewer context switches then write?  Then writev?

Well, it would avoid explicit context switches, but would undoubtedly involve
some non-trivial number of page faults.  Can anyone out there educate us on
how many page faults could be expected?

Topher Eliot
Data General Corporation                eliot at dg-rtp.dg.com
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