Change mmap read-around to share the same code style and data structure with readahead code. Signed-off-by: Fengguang Wu --- mm/filemap.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) --- linux-2.6.24-rc4-mm1.orig/mm/filemap.c +++ linux-2.6.24-rc4-mm1/mm/filemap.c @@ -1333,13 +1333,15 @@ static void do_sync_mmap_readahead(struc if (ra->mmap_miss > MMAP_LOTSAMISS) return; - ra_pages = max_sane_readahead(file->f_ra.ra_pages); + /* + * mmap read-around + */ + ra_pages = max_sane_readahead(ra->ra_pages); if (ra_pages) { - pgoff_t start = 0; - - if (offset > ra_pages / 2) - start = offset - ra_pages / 2; - do_page_cache_readahead(mapping, file, start, ra_pages); + ra->start = max_t(long, 0, offset - ra_pages / 2); + ra->size = ra_pages; + ra->async_size = 0; + ra_submit(ra, mapping, file); } } -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/