Messages in this thread | | | Date | Sat, 23 May 1998 22:09:38 +0100 | From | Jamie Lokier <> | Subject | Re: /tmp in swap space |
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Larry McVoy wrote: > ... (and EXT2FS will approximate TMPFS for smaller files which fit in > the cache).
If I do the following:
open ("/tmp/file", O_CREAT|O_TRUNC|O_WR) write (....) /* Small enough to fit in cache. */ close () /* Do some work, file still stays in cache. */ unlink ("/tmp/file")
Is ext2 clever enough to avoid writing data blocks for the deleted file to the disk? This has always struck me as the reason why a Linux tmpfs would be useful.
I could ask is ext2 clever enough to avoid writing _anything_ in this case, but I think that's clearly asking too much.
Would a well implemented tmpfs perhaps make `gcc' faster than `gcc -pipe'?
-- Jamie
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