From 6ce745ed39d35f9d547d00d406db2be7c6c175b3 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Sun, 6 May 2007 14:49:26 -0700 Subject: readahead: code cleanup Rename file_ra_state.prev_page to prev_index and file_ra_state.offset to prev_offset. Also update of prev_index in do_generic_mapping_read() is now moved close to the update of prev_offset. [wfg@mail.ustc.edu.cn: fix it] Signed-off-by: Jan Kara Cc: Nick Piggin Cc: WU Fengguang Signed-off-by: Fengguang Wu Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/filemap.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'mm/filemap.c') diff --git a/mm/filemap.c b/mm/filemap.c index 07f5b77114a..5631d6b2a62 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -877,8 +877,8 @@ void do_generic_mapping_read(struct address_space *mapping, cached_page = NULL; index = *ppos >> PAGE_CACHE_SHIFT; next_index = index; - prev_index = ra.prev_page; - prev_offset = ra.offset; + prev_index = ra.prev_index; + prev_offset = ra.prev_offset; last_index = (*ppos + desc->count + PAGE_CACHE_SIZE-1) >> PAGE_CACHE_SHIFT; offset = *ppos & ~PAGE_CACHE_MASK; @@ -947,7 +947,8 @@ page_ok: offset += ret; index += offset >> PAGE_CACHE_SHIFT; offset &= ~PAGE_CACHE_MASK; - prev_offset = ra.offset = offset; + prev_offset = offset; + ra.prev_offset = offset; page_cache_release(page); if (ret == nr && desc->count) -- cgit v1.2.3