Re: [RFC 5/5] squashfs: support readpages

2013-09-16 Thread Minchan Kim
eturn 0; -- 1.7.9.5 On Tue, Sep 17, 2013 at 10:52:14AM +0900, Minchan Kim wrote: > This patch had a bug so I send fixed below patchset. > Thanks. > > >From ccbf1322b6322bc34bb3e6f75a27f4fecf84ed02 Mon Sep 17 00:00:00 2001 > From: Minchan Kim > Date: Mon, 16 Sep 2013 14:28:49

Re: [RFC 5/5] squashfs: support readpages

2013-09-16 Thread Minchan Kim
This patch had a bug so I send fixed below patchset. Thanks. >From ccbf1322b6322bc34bb3e6f75a27f4fecf84ed02 Mon Sep 17 00:00:00 2001 From: Minchan Kim Date: Mon, 16 Sep 2013 14:28:49 +0900 Subject: [RFC 5/5] squashfs: support readpages This patch supports squashfs_readpages so it can

[RFC 5/5] squashfs: support readpages

2013-09-16 Thread Minchan Kim
This patch supports squashfs_readpages so it can do readahead pages without unplugging I/O scheduler. With blktrace, I confirmed following test. 2 compression ratio 1G file(ie, 500M consumed by real storage) sequential read with fadvise(SEQUENTIAL) hint and tune some knobs for block device and re