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Diffstat (limited to 'include/linux/bio.h')
-rw-r--r--include/linux/bio.h41
1 files changed, 24 insertions, 17 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 9538f20ffaa5..fe6bdfbbef66 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -417,7 +417,8 @@ 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_iov_bvec_set(struct bio *bio, struct iov_iter *iter);
+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);
@@ -428,23 +429,13 @@ extern void bio_free_pages(struct bio *bio);
void guard_bio_eod(struct bio *bio);
void zero_fill_bio(struct bio *bio);
-extern const char *bio_devname(struct bio *bio, char *buffer);
+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);
+}
-#define bio_set_dev(bio, bdev) \
-do { \
- bio_clear_flag(bio, BIO_REMAPPED); \
- if ((bio)->bi_bdev != (bdev)) \
- bio_clear_flag(bio, BIO_THROTTLED); \
- (bio)->bi_bdev = (bdev); \
- bio_associate_blkg(bio); \
-} while (0)
-
-#define bio_copy_dev(dst, src) \
-do { \
- bio_clear_flag(dst, BIO_REMAPPED); \
- (dst)->bi_bdev = (src)->bi_bdev; \
- bio_clone_blkg_association(dst, src); \
-} while (0)
+extern const char *bio_devname(struct bio *bio, char *buffer);
#define bio_dev(bio) \
disk_devt((bio)->bi_bdev->bd_disk)
@@ -463,6 +454,22 @@ static inline void bio_clone_blkg_association(struct bio *dst,
struct bio *src) { }
#endif /* CONFIG_BLK_CGROUP */
+static inline void bio_set_dev(struct bio *bio, struct block_device *bdev)
+{
+ bio_clear_flag(bio, BIO_REMAPPED);
+ if (bio->bi_bdev != bdev)
+ bio_clear_flag(bio, BIO_THROTTLED);
+ bio->bi_bdev = bdev;
+ bio_associate_blkg(bio);
+}
+
+static inline void bio_copy_dev(struct bio *dst, struct bio *src)
+{
+ bio_clear_flag(dst, BIO_REMAPPED);
+ dst->bi_bdev = src->bi_bdev;
+ bio_clone_blkg_association(dst, src);
+}
+
/*
* BIO list management for use by remapping drivers (e.g. DM or MD) and loop.
*