Rewrite readahead code
commit76833a426ad9d83ae3ad5bef9165fb26cb2490b9
authorPetr Tesarik <petr@tesarici.cz>
Tue, 25 Sep 2012 21:54:31 +0000 (25 23:54 +0200)
committerPetr Tesarik <petr@tesarici.cz>
Tue, 25 Sep 2012 21:54:31 +0000 (25 23:54 +0200)
treed5824f033c645d4f6484cff47f7aae2a348c2b8e
parent0e86aee045f5f73c7dd5bca8c0c6a00c8d9a0032
Rewrite readahead code

The old code was hard to understand. Rewrite it with physical extents
in mind, because physical size should control the readahead directly,
rather than any derived values.
libhed/file.c