block: Add some exports for bcachefs

 - 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>
Link: https://lore.kernel.org/r/20230813182636.2966159-2-kent.overstreet@linux.dev
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/bio.c b/block/bio.c
index 8d1533af7c609f3993f22846b6da554727ecd968..bb3ea4e05d4ca15a84ac54ace37661bc2e8151b0 100644 (file)
--- a/block/bio.c
+++ b/block/bio.c
@@ -1472,6 +1472,7 @@ 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.
@@ -1531,6 +1532,7 @@ defer:
        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 99d8b9812b18f49a393f2ad714f91dfac91efb61..141e54545cc1dd0d92f42a169ddc461f76386a48 100644 (file)
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -208,6 +208,7 @@ 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 9d22ec3a53bcfcc559eead35176ca3ce97c88850..08a358bc0919e2e8f5a53bbca4519ba6ad9d0b15 100644 (file)
--- a/block/blk.h
+++ b/block/blk.h
@@ -254,7 +254,6 @@ 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 2f5371b8482c004ee992f33367bbf2fc5358f00d..4feed1fc141f615d7bc97dadf63bc94616869f9a 100644 (file)
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -847,6 +847,7 @@ 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)