diff options
| author | Jan Kara | 2007-05-06 23:49:26 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2007-05-07 21:12:52 +0200 |
| commit | 6ce745ed39d35f9d547d00d406db2be7c6c175b3 (patch) | |
| tree | 16f471389c9f619c37891fdb6e1843e1f2721c78 /include | |
| parent | readahead: improve heuristic detecting sequential reads (diff) | |
| download | kernel-qcow2-linux-6ce745ed39d35f9d547d00d406db2be7c6c175b3.tar.gz kernel-qcow2-linux-6ce745ed39d35f9d547d00d406db2be7c6c175b3.tar.xz kernel-qcow2-linux-6ce745ed39d35f9d547d00d406db2be7c6c175b3.zip | |
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 <jack@suse.cz>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: WU Fengguang <wfg@mail.ustc.edu.cn>
Signed-off-by: Fengguang Wu <wfg@mail.ustc.edu.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/fs.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 0949e243b8b9..55a74ffa7e3b 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -696,13 +696,13 @@ struct file_ra_state { unsigned long size; unsigned long flags; /* ra flags RA_FLAG_xxx*/ unsigned long cache_hit; /* cache hit count*/ - unsigned long prev_page; /* Cache last read() position */ + unsigned long prev_index; /* Cache last read() position */ unsigned long ahead_start; /* Ahead window */ unsigned long ahead_size; unsigned long 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 */ - unsigned int offset; /* Offset where last read() ended in a page */ + unsigned int prev_offset; /* Offset where last read() ended in a page */ }; #define RA_FLAG_MISS 0x01 /* a cache miss occured against this file */ #define RA_FLAG_INCACHE 0x02 /* file is already in cache */ |