Andrew, The following patches are based on yesterday's discussions, compiled and tested OK:
smaller file_ra_state: [PATCH 1/7] readahead: compacting file_ra_state [PATCH 2/7] readahead: mmap read-around simplification [PATCH 3/7] readahead: combine file_ra_state.prev_index/prev_offset into prev_ code cleanups: [PATCH 4/7] readahead: remove several readahead macros [PATCH 5/7] readahead: remove the limit max_sectors_kb imposed on max_readahead_kb support of interleaved reads: [PATCH 6/7] radixtree: introduce radix_tree_scan_hole() [PATCH 7/7] readahead: basic support of interleaved reads The diffstat is block/ll_rw_blk.c | 9 ----- fs/ext3/dir.c | 2 - fs/ext4/dir.c | 2 - fs/splice.c | 2 - include/linux/fs.h | 14 +++----- include/linux/mm.h | 2 - include/linux/radix-tree.h | 2 + lib/radix-tree.c | 34 ++++++++++++++++++++ mm/filemap.c | 17 +++++----- mm/readahead.c | 58 +++++++++++++++++++---------------- 10 files changed, 86 insertions(+), 56 deletions(-) Regards, Fengguang Wu -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/