[PATCH 04/20] block: Add some exports for bcachefs

Kent Overstreet
2023-07-12T21:12:10Z

From: Kent Overstreet <kent.overstreet@gmail.com>

- bio_set_pages_dirty(), bio_check_pages_dirty() - dio path
- blk_status_to_str() - error messages
- bio_add_folio() - this should definitely be exported for everyone,
it's the modern version of bio_add_page()

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Cc: linux-block@vger.kernel.org
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
block/bio.c | 2 ++
block/blk-core.c | 1 +
block/blk.h | 1 -
include/linux/blkdev.h | 1 +
4 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/block/bio.c b/block/bio.c
index 043944fd46..1e75840d17 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -1481,6 +1481,7 @@ void bio_set_pages_dirty(struct bio *bio)
set_page_dirty_lock(bvec->bv_page);
}
}
+EXPORT_SYMBOL_GPL(bio_set_pages_dirty);

/*
* bio_check_pages_dirty() will check that all the BIO's pages are still dirty.
@@ -1540,6 +1541,7 @@ void bio_check_pages_dirty(struct bio *bio)
spin_unlock_irqrestore(&bio_dirty_lock, flags);
schedule_work(&bio_dirty_work);
}
+EXPORT_SYMBOL_GPL(bio_check_pages_dirty);

static inline bool bio_remaining_done(struct bio *bio)
{
diff --git a/block/blk-core.c b/block/blk-core.c
index 1da77e7d62..b7b0237c36 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -205,6 +205,7 @@ const char *blk_status_to_str(blk_status_t status)
return "<null>";
return blk_errors[idx].name;
}
+EXPORT_SYMBOL_GPL(blk_status_to_str);

/**
* blk_sync_queue - cancel any pending callbacks on a queue
diff --git a/block/blk.h b/block/blk.h
index 45547bcf11..f20f9ca03e 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -251,7 +251,6 @@ static inline void bio_integrity_free(struct bio *bio)

unsigned long blk_rq_timeout(unsigned long timeout);
void blk_add_timer(struct request *req);
-const char *blk_status_to_str(blk_status_t status);

bool blk_attempt_plug_merge(struct request_queue *q, struct bio *bio,
unsigned int nr_segs);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index c0ffe203a6..7a32dc98e1 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -854,6 +854,7 @@ extern const char *blk_op_str(enum req_op op);

int blk_status_to_errno(blk_status_t status);
blk_status_t errno_to_blk_status(int errno);
+const char *blk_status_to_str(blk_status_t status);

/* only poll the hardware once, don't continue until a completion was found */
#define BLK_POLL_ONESHOT (1 << 0)
--
2.40.1