block: export bio_release_pages and bio_iov_iter_get_pages

morbidrsa · axboe · commit 29b2a3aa2967 · 2020-05-12T20:36:28.000-06:00
Export bio_release_pages and bio_iov_iter_get_pages, so they can be used
from modular code.

Signed-off-by: Johannes Thumshirn &lt;johannes.thumshirn@wdc.com&gt;
Reviewed-by: Martin K. Petersen &lt;martin.petersen@oracle.com&gt;
Reviewed-by: Hannes Reinecke &lt;hare@suse.de&gt;
Signed-off-by: Jens Axboe &lt;axboe@kernel.dk&gt;
diff --git a/block/bio.c b/block/bio.c
@@ -951,6 +951,7 @@ void bio_release_pages(struct bio *bio, bool mark_dirty)
 		put_page(bvec->bv_page);
 	}
 }
+EXPORT_SYMBOL_GPL(bio_release_pages);
 
 static int __bio_iov_bvec_add_pages(struct bio *bio, struct iov_iter *iter)
 {
@@ -1114,6 +1115,7 @@ int bio_iov_iter_get_pages(struct bio *bio, struct iov_iter *iter)
 		bio_set_flag(bio, BIO_NO_PAGE_REF);
 	return bio->bi_vcnt ? 0 : ret;
 }
+EXPORT_SYMBOL_GPL(bio_iov_iter_get_pages);
 
 static void submit_bio_wait_endio(struct bio *bio)
 {

Original file line number	Diff line number	Diff line change
`@@ -951,6 +951,7 @@ void bio_release_pages(struct bio *bio, bool mark_dirty)`
`951`	`951`	`put_page(bvec->bv_page);`
`952`	`952`	`}`
`953`	`953`	`}`
	`954`	`+EXPORT_SYMBOL_GPL(bio_release_pages);`
`954`	`955`
`955`	`956`	`static int __bio_iov_bvec_add_pages(struct bio bio, struct iov_iter iter)`
`956`	`957`	`{`
`@@ -1114,6 +1115,7 @@ int bio_iov_iter_get_pages(struct bio bio, struct iov_iter iter)`
`1114`	`1115`	`bio_set_flag(bio, BIO_NO_PAGE_REF);`
`1115`	`1116`	`return bio->bi_vcnt ? 0 : ret;`
`1116`	`1117`	`}`
	`1118`	`+EXPORT_SYMBOL_GPL(bio_iov_iter_get_pages);`
`1117`	`1119`
`1118`	`1120`	`static void submit_bio_wait_endio(struct bio *bio)`
`1119`	`1121`	`{`