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authorFengguang Wu <wfg@mail.ustc.edu.cn>2007-10-16 12:24:32 +0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 20:42:52 +0400
commit0bb7ba6b9c358c12084a3cbc6ac08c8d1e973937 (patch)
tree81dc745c660557af4d9ea8b9816846d0395ece20 /include/linux/fs.h
parent937085aa35cc873d427d250a1e304d641af24628 (diff)
downloadlinux-0bb7ba6b9c358c12084a3cbc6ac08c8d1e973937.tar.xz
readahead: mmap read-around simplification
Fold file_ra_state.mmap_hit into file_ra_state.mmap_miss and make it an int. Signed-off-by: Fengguang Wu <wfg@mail.ustc.edu.cn> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/fs.h')
-rw-r--r--include/linux/fs.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 7a998c49a086..8250811081ff 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -703,8 +703,7 @@ struct file_ra_state {
there are only # of pages ahead */
unsigned int ra_pages; /* Maximum readahead window */
- unsigned long mmap_hit; /* Cache hit stat for mmap accesses */
- unsigned long mmap_miss; /* Cache miss stat for mmap accesses */
+ int mmap_miss; /* Cache miss stat for mmap accesses */
unsigned long prev_index; /* Cache last read() position */
unsigned int prev_offset; /* Offset where last read() ended in a page */
};