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LU-9574 llite: pipeline readahead better with large I/O 88/27388/3
authorJinshan Xiong <jinshan.xiong@intel.com>
Thu, 1 Jun 2017 19:53:35 +0000 (12:53 -0700)
committerJinshan Xiong <jinshan.xiong@intel.com>
Thu, 14 Sep 2017 20:41:45 +0000 (20:41 +0000)
commite94dcdcf70526177633b71cfa1c6cb68c8f28ef0
treef59d81f16dfb77946db54102a336c1dd5b99bad8
parent8e75219aa33aa8955883c8ffa7df0ffadf3c96ac
LU-9574 llite: pipeline readahead better with large I/O

Fixed a bug where next readahead is not set correctly when
appplication issues large I/O;
Extend the readahead window length to at least cover the size of
current I/O.

Signed-off-by: Jinshan Xiong <jinshan.xiong@intel.com>
Change-Id: I43c5e4f25ea30d4a36263db2588bde0401122990
lustre/llite/rw.c