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authorMatthew Wilcox (Oracle) <willy@infradead.org>2021-01-29 04:38:57 +0000
committerJens Axboe <axboe@kernel.dk>2021-02-26 15:49:51 -0700
commit5f7136db82996089cdfb2939c7664b29e9da141d (patch)
treef6fb9ac2dafb2ca03002f6c86bc0fb1062fadcfa /fs/nfs
parent94d4bffdda21baa2c749bc229c41811a7559dd15 (diff)
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/nfs')
-rw-r--r--fs/nfs/blocklayout/blocklayout.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c
index 1a96ce28efb0..fe860c538747 100644
--- a/fs/nfs/blocklayout/blocklayout.c
+++ b/fs/nfs/blocklayout/blocklayout.c
@@ -115,13 +115,13 @@ bl_submit_bio(struct bio *bio)
return NULL;
}
-static struct bio *
-bl_alloc_init_bio(int npg, struct block_device *bdev, sector_t disk_sector,
+static struct bio *bl_alloc_init_bio(unsigned int npg,
+ struct block_device *bdev, sector_t disk_sector,
bio_end_io_t end_io, struct parallel_io *par)
{
struct bio *bio;
- npg = min(npg, BIO_MAX_PAGES);
+ npg = bio_max_segs(npg);
bio = bio_alloc(GFP_NOIO, npg);
if (bio) {
bio->bi_iter.bi_sector = disk_sector;