diff options
author | David Howells <dhowells@redhat.com> | 2023-05-22 23:57:42 +0300 |
---|---|---|
committer | Jens Axboe <axboe@kernel.dk> | 2023-05-24 17:42:44 +0300 |
commit | fd363244e883323e1ac9412d96fd22b51e255b0c (patch) | |
tree | a4ab29760b6dac530b091b7d8bb0ba6d79cc6f2c /include/linux/blk_types.h | |
parent | e51bab4e20586fb3afc30536b776a97ed8ffb681 (diff) | |
download | linux-fd363244e883323e1ac9412d96fd22b51e255b0c.tar.xz |
block: Add BIO_PAGE_PINNED and associated infrastructure
Add BIO_PAGE_PINNED to indicate that the pages in a bio are pinned
(FOLL_PIN) and that the pin will need removing.
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
cc: Al Viro <viro@zeniv.linux.org.uk>
cc: Jens Axboe <axboe@kernel.dk>
cc: Jan Kara <jack@suse.cz>
cc: Matthew Wilcox <willy@infradead.org>
cc: Logan Gunthorpe <logang@deltatee.com>
cc: linux-block@vger.kernel.org
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20230522205744.2825689-5-dhowells@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/blk_types.h')
-rw-r--r-- | include/linux/blk_types.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index dfd2c2cb909d..8ef209e3aa96 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -323,6 +323,7 @@ struct bio { * bio flags */ 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 */ |