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block: inline a part of bio_release_pages()

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Inline BIO_NO_PAGE_REF check of bio_release_pages() to avoid function
call.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2021-10-19 22:24:14 +01:00 committed by Jens Axboe
parent 1497a51a32
commit c809084ab0
2 changed files with 9 additions and 6 deletions
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7
block/bio.c
View File

@ -1033,21 +1033,18 @@ int bio_add_page(struct bio *bio, struct page *page,
}
EXPORT_SYMBOL(bio_add_page);
void bio_release_pages(struct bio *bio, bool mark_dirty)
void __bio_release_pages(struct bio *bio, bool mark_dirty)
{
struct bvec_iter_all iter_all;
struct bio_vec *bvec;
if (bio_flagged(bio, BIO_NO_PAGE_REF))
return;
bio_for_each_segment_all(bvec, bio, iter_all) {
if (mark_dirty && !PageCompound(bvec->bv_page))
set_page_dirty_lock(bvec->bv_page);
put_page(bvec->bv_page);
}
}
EXPORT_SYMBOL_GPL(bio_release_pages);
EXPORT_SYMBOL_GPL(__bio_release_pages);
static void __bio_iov_bvec_set(struct bio *bio, struct iov_iter *iter)
{

8
include/linux/bio.h
View File

@ -417,7 +417,7 @@ int bio_add_zone_append_page(struct bio *bio, struct page *page,
void __bio_add_page(struct bio *bio, struct page *page,
unsigned int len, unsigned int off);
int bio_iov_iter_get_pages(struct bio *bio, struct iov_iter *iter);
void bio_release_pages(struct bio *bio, bool mark_dirty);
void __bio_release_pages(struct bio *bio, bool mark_dirty);
extern void bio_set_pages_dirty(struct bio *bio);
extern void bio_check_pages_dirty(struct bio *bio);
@ -428,6 +428,12 @@ extern void bio_free_pages(struct bio *bio);
void guard_bio_eod(struct bio *bio);
void zero_fill_bio(struct bio *bio);
static inline void bio_release_pages(struct bio *bio, bool mark_dirty)
{
if (!bio_flagged(bio, BIO_NO_PAGE_REF))
__bio_release_pages(bio, mark_dirty);
}
extern const char *bio_devname(struct bio *bio, char *buffer);
#define bio_dev(bio) \