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| author | Gu Zheng <guz.fnst@cn.fujitsu.com> | 2014-04-03 14:47:16 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-03 16:20:57 -0700 |
| commit | 2b665e276c15ba7d9fc8cdd16931883a51ed13e4 (patch) | |
| tree | 69853d98f18d80cb04dc20c74d1e0e37d6c1a162 /fs/direct-io.c | |
| parent | 9c339255cb01806efbaec3d296f3e44c9357d574 (diff) | |
| download | linux-2b665e276c15ba7d9fc8cdd16931883a51ed13e4.tar.gz linux-2b665e276c15ba7d9fc8cdd16931883a51ed13e4.tar.bz2 linux-2b665e276c15ba7d9fc8cdd16931883a51ed13e4.zip | |
fs/direct-io.c: remove redundant comparison
The return value of bio_get_nr_vecs() cannot be bigger than
BIO_MAX_PAGES, so we can remove redundant the comparison between
nr_pages and BIO_MAX_PAGES.
Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/direct-io.c')
| -rw-r--r-- | fs/direct-io.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/direct-io.c b/fs/direct-io.c index 160a5489a939..6e6bff375244 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -664,7 +664,6 @@ static inline int dio_new_bio(struct dio *dio, struct dio_submit *sdio, goto out; sector = start_sector << (sdio->blkbits - 9); nr_pages = min(sdio->pages_in_io, bio_get_nr_vecs(map_bh->b_bdev)); - nr_pages = min(nr_pages, BIO_MAX_PAGES); BUG_ON(nr_pages <= 0); dio_bio_alloc(dio, sdio, map_bh->b_bdev, sector, nr_pages); sdio->boundary = 0; |