diff options
| author | David Howells <[email protected]> | 2023-05-22 21:57:42 +0100 |
|---|---|---|
| committer | Jens Axboe <[email protected]> | 2023-05-24 08:42:44 -0600 |
| commit | fd363244e883323e1ac9412d96fd22b51e255b0c (patch) | |
| tree | a4ab29760b6dac530b091b7d8bb0ba6d79cc6f2c /include | |
| parent | e51bab4e20586fb3afc30536b776a97ed8ffb681 (diff) | |
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 <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: John Hubbard <[email protected]>
cc: Al Viro <[email protected]>
cc: Jens Axboe <[email protected]>
cc: Jan Kara <[email protected]>
cc: Matthew Wilcox <[email protected]>
cc: Logan Gunthorpe <[email protected]>
cc: [email protected]
Reviewed-by: Jan Kara <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/bio.h | 3 | ||||
| -rw-r--r-- | include/linux/blk_types.h | 1 |
2 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h index 0922729acd26..8588bcfbc6ef 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -488,7 +488,8 @@ 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)) + if (bio_flagged(bio, BIO_PAGE_REFFED) || + bio_flagged(bio, BIO_PAGE_PINNED)) __bio_release_pages(bio, mark_dirty); } 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 */ |