Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
block: move around bio flagging helpers
We'll need bio_flagged() earlier in bio.h for later patches, move it
together with all related helpers, and mark the bio_flagged()'s bio
argument as const.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
authored by
Pavel Begunkov
and committed by
Jens Axboe
d9f514d3
a0750fae
+15
-15
+15
-15
include/linux/bio.h
+15
-15
include/linux/bio.h
···
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#define bio_data_dir(bio) \
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(op_is_write(bio_op(bio)) ? WRITE : READ)
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+
static inline bool bio_flagged(const struct bio *bio, unsigned int bit)
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{
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return bio->bi_flags & (1U << bit);
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}
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+
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static inline void bio_set_flag(struct bio *bio, unsigned int bit)
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{
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bio->bi_flags |= (1U << bit);
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}
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+
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static inline void bio_clear_flag(struct bio *bio, unsigned int bit)
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{
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bio->bi_flags &= ~(1U << bit);
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}
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+
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/*
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* Check whether this bio carries any data or not. A NULL bio is allowed.
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*/
···
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smp_mb();
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}
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atomic_set(&bio->__bi_cnt, count);
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-
}
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-
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static inline bool bio_flagged(struct bio *bio, unsigned int bit)
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{
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return bio->bi_flags & (1U << bit);
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}
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-
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static inline void bio_set_flag(struct bio *bio, unsigned int bit)
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{
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bio->bi_flags |= (1U << bit);
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}
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static inline void bio_clear_flag(struct bio *bio, unsigned int bit)
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{
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bio->bi_flags &= ~(1U << bit);
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}
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static inline struct bio_vec *bio_first_bvec_all(struct bio *bio)