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| author | Andrew Morton <akpm@osdl.org> | 2004-08-23 21:44:06 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2004-08-23 21:44:06 -0700 |
| commit | 467474d051718d839e345fee6867de5d14051f00 (patch) | |
| tree | f74efca6aaf74a99d37e4f5ce290441733e1a3cb /mm | |
| parent | 484107a59940c58f44c18f82a8c0070226c6cd4d (diff) | |
| download | history-467474d051718d839e345fee6867de5d14051f00.tar.gz | |
[PATCH] file_ra_state_init speedup
Marcelo points out that this function's main caller already memsets the
structure, so avoid doing it again.
Also, an earlier knfsd patch withdrew file_ra_state_init()'s other caller, so
unexport this function.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/readahead.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/mm/readahead.c b/mm/readahead.c index 3780d40b39ad93..c58ae5694421f3 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -28,16 +28,15 @@ struct backing_dev_info default_backing_dev_info = { EXPORT_SYMBOL_GPL(default_backing_dev_info); /* - * Initialise a struct file's readahead state + * Initialise a struct file's readahead state. Assumes that the caller has + * memset *ra to zero. */ void file_ra_state_init(struct file_ra_state *ra, struct address_space *mapping) { - memset(ra, 0, sizeof(*ra)); ra->ra_pages = mapping->backing_dev_info->ra_pages; ra->average = ra->ra_pages / 2; } -EXPORT_SYMBOL(file_ra_state_init); /* * Return max readahead size for this inode in number-of-pages. |