[Cluster-devel] [PATCH v4 04/12] mm: Add readahead address space operation

From: "Matthew Wilcox (Oracle)" This replaces ->readpages with a saner interface: - Return the number of pages not read instead of an ignored error code. - Pages are already in the page cache when ->readahead is called. - Implementation looks up the pages in the page cache instead of having

[Cluster-devel] [PATCH v4 05/12] fs: Convert mpage_readpages to mpage_readahead

From: "Matthew Wilcox (Oracle)" Implement the new readahead aop and convert all callers (block_dev, exfat, ext2, fat, gfs2, hpfs, isofs, jfs, nilfs2, ocfs2, omfs, qnx6, reiserfs & udf). The callers are all trivial except for GFS2 & OCFS2. Signed-off-by: Matthew Wilcox (Oracle) Cc: cluster-deve

[Cluster-devel] [PATCH v4 00/12] Change readahead API

From: "Matthew Wilcox (Oracle)" I would particularly value feedback on this from the gfs2 and ocfs2 maintainers. They have non-trivial changes, and a review on patch 5 would be greatly appreciated. This series adds a readahead address_space operation to eventually replace the readpages operatio

[Cluster-devel] [PATCH v4 03/12] readahead: Put pages in cache earlier

From: "Matthew Wilcox (Oracle)" At allocation time, put the pages in the cache unless we're using ->readpages. Signed-off-by: Matthew Wilcox (Oracle) Cc: linux-bt...@vger.kernel.org Cc: linux-er...@lists.ozlabs.org Cc: linux-e...@vger.kernel.org Cc: linux-f2fs-de...@lists.sourceforge.net Cc: li