diff options
| author | Christoph Hellwig <hch@lst.de> | 2021-10-12 18:18:01 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-10-18 06:17:35 -0600 |
| commit | 9a6083becbe113ed1e28059ce659dc8ae71b33c3 (patch) | |
| tree | 13aac80b0b2196750ddad1fe3aaa586d17638691 /block/bio.c | |
| parent | b6559d8f9fdd7f0e139161cffea2645bd8d084c6 (diff) | |
block: move bio_full out of bio.h
bio_full is only used in bio.c, so move it there.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20211012161804.991559-6-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/bio.c')
| -rw-r--r-- | block/bio.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/block/bio.c b/block/bio.c index 35b875563c8b..7e2899071de2 100644 --- a/block/bio.c +++ b/block/bio.c @@ -772,6 +772,23 @@ const char *bio_devname(struct bio *bio, char *buf) } EXPORT_SYMBOL(bio_devname); +/** + * bio_full - check if the bio is full + * @bio: bio to check + * @len: length of one segment to be added + * + * Return true if @bio is full and one segment with @len bytes can't be + * added to the bio, otherwise return false + */ +static inline bool bio_full(struct bio *bio, unsigned len) +{ + if (bio->bi_vcnt >= bio->bi_max_vecs) + return true; + if (bio->bi_iter.bi_size > UINT_MAX - len) + return true; + return false; +} + static inline bool page_is_mergeable(const struct bio_vec *bv, struct page *page, unsigned int len, unsigned int off, bool *same_page) |