git://git.whamcloud.com - fs/lustre-release.git/commit

Whamcloud - gitweb

git://git.whamcloud.com / fs / lustre-release.git / commit

author	nikita <nikita>
	Tue, 20 Sep 2005 13:24:54 +0000 (13:24 +0000)
committer	nikita <nikita>
	Tue, 20 Sep 2005 13:24:54 +0000 (13:24 +0000)
commit	5787b1bcc5f7914bd1197a8f2dd1485f87fa3855
tree	de9713d16cc10fd668729deec3b7ca729522370d	tree \| snapshot
parent	cffe3443ac693bae817a695e3a473ad71fefd914	commit \| diff

Land changes to the read-ahead algorithm improving its behavior for random
reads:

- always try to read-ahead at least file region that will be read by read(2)
call.

- try to detect random reads, and avoid excessive read-ahead in that case.

b=6252
r=adilger

lustre/ChangeLog		diff \| blob \| history
lustre/llite/file.c		diff \| blob \| history
lustre/llite/llite_internal.h		diff \| blob \| history
lustre/llite/rw.c		diff \| blob \| history

Lustre primary development and releases

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