linux-ext4 - [PATCH v2 05/23] fsverity: make fsverity_verify

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Date:   Tue,  4 Apr 2023 16:53:01 +0200
From:   Andrey Albershteyn <aalbersh@...hat.com>
To:     djwong@...nel.org, dchinner@...hat.com, ebiggers@...nel.org,
        hch@...radead.org, linux-xfs@...r.kernel.org,
        fsverity@...ts.linux.dev
Cc:     rpeterso@...hat.com, agruenba@...hat.com, xiang@...nel.org,
        chao@...nel.org, damien.lemoal@...nsource.wdc.com, jth@...nel.org,
        linux-erofs@...ts.ozlabs.org, linux-btrfs@...r.kernel.org,
        linux-ext4@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net,
        cluster-devel@...hat.com, Andrey Albershteyn <aalbersh@...hat.com>
Subject: [PATCH v2 05/23] fsverity: make fsverity_verify_folio() accept folio's offset and size

Not the whole folio always need to be verified by fs-verity (e.g.
with 1k blocks). Use passed folio's offset and size.

Signed-off-by: Andrey Albershteyn <aalbersh@...hat.com>
---
 include/linux/fsverity.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/linux/fsverity.h b/include/linux/fsverity.h
index 119a3266791f..6d7a4b3ea626 100644
--- a/include/linux/fsverity.h
+++ b/include/linux/fsverity.h
@@ -249,9 +249,10 @@ static inline void fsverity_enqueue_verify_work(struct work_struct *work)
 
 #endif	/* !CONFIG_FS_VERITY */
 
-static inline bool fsverity_verify_folio(struct folio *folio)
+static inline bool fsverity_verify_folio(struct folio *folio, size_t len,
+					 size_t offset)
 {
-	return fsverity_verify_blocks(folio, folio_size(folio), 0);
+	return fsverity_verify_blocks(folio, len, offset);
 }
 
 static inline bool fsverity_verify_page(struct page *page)
-- 
2.38.4