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block: remove BIO_PAGE_REFFED 

Now that all block direct I/O helpers use page pinning, this flag is
unused.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/20230614140341.521331-4-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2023-06-14 16:03:40 +02:00 committed by Jens Axboe
parent 2e82f6c3bf
commit e4cc64657b
3 changed files with 1 additions and 5 deletions
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2
block/blk.h
View File

@ -445,8 +445,6 @@ static inline void bio_release_page(struct bio *bio, struct page *page)
{
if (bio_flagged(bio, BIO_PAGE_PINNED))
unpin_user_page(page);
else if (bio_flagged(bio, BIO_PAGE_REFFED))
put_page(page);
}
struct request_queue *blk_alloc_queue(int node_id);

3
include/linux/bio.h
View File

@ -492,8 +492,7 @@ void zero_fill_bio(struct bio *bio);
static inline void bio_release_pages(struct bio *bio, bool mark_dirty)
{
if (bio_flagged(bio, BIO_PAGE_REFFED) ||
bio_flagged(bio, BIO_PAGE_PINNED))
if (bio_flagged(bio, BIO_PAGE_PINNED))
__bio_release_pages(bio, mark_dirty);
}

1
include/linux/blk_types.h
View File

@ -326,7 +326,6 @@ struct bio {
*/
enum {
BIO_PAGE_PINNED, /* Unpin pages in bio_release_pages() */
BIO_PAGE_REFFED, /* put pages in bio_release_pages() */
BIO_CLONED, /* doesn't own data */
BIO_BOUNCED, /* bio is a bounce bio */
BIO_QUIET, /* Make BIO Quiet */