diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2021-01-29 07:38:57 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-02-27 01:49:51 +0300 |
| commit | 5f7136db82996089cdfb2939c7664b29e9da141d (patch) | |
| tree | f6fb9ac2dafb2ca03002f6c86bc0fb1062fadcfa /fs/direct-io.c | |
| parent | 94d4bffdda21baa2c749bc229c41811a7559dd15 (diff) | |
| download | linux-5f7136db82996089cdfb2939c7664b29e9da141d.tar.xz | |
block: Add bio_max_segs
It's often inconvenient to use BIO_MAX_PAGES due to min() requiring the
sign to be the same. Introduce bio_max_segs() and change BIO_MAX_PAGES to
be unsigned to make it easier for the users.
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/direct-io.c')
| -rw-r--r-- | fs/direct-io.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/direct-io.c b/fs/direct-io.c index aa1083ecd623..c9639b4166c2 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -695,7 +695,7 @@ static inline int dio_new_bio(struct dio *dio, struct dio_submit *sdio, if (ret) goto out; sector = start_sector << (sdio->blkbits - 9); - nr_pages = min(sdio->pages_in_io, BIO_MAX_PAGES); + nr_pages = bio_max_segs(sdio->pages_in_io); BUG_ON(nr_pages <= 0); dio_bio_alloc(dio, sdio, map_bh->b_bdev, sector, nr_pages); sdio->boundary = 0; |