linux-ext4 - [PATCH 5/5] f2fs: support direct I/O with fscrypt using blk-crypto

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Message-Id: <20200709194751.2579207-6-satyat@google.com>
Date:   Thu,  9 Jul 2020 19:47:51 +0000
From:   Satya Tangirala <satyat@...gle.com>
To:     linux-fscrypt@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net, linux-ext4@...r.kernel.org
Cc:     Eric Biggers <ebiggers@...gle.com>,
        Satya Tangirala <satyat@...gle.com>
Subject: [PATCH 5/5] f2fs: support direct I/O with fscrypt using blk-crypto

From: Eric Biggers <ebiggers@...gle.com>

Wire up f2fs with fscrypt direct I/O support.

Signed-off-by: Eric Biggers <ebiggers@...gle.com>
Signed-off-by: Satya Tangirala <satyat@...gle.com>
---
 fs/f2fs/f2fs.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index b35a50f4953c..6d662a37b445 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -4082,7 +4082,9 @@ static inline bool f2fs_force_buffered_io(struct inode *inode,
 	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
 	int rw = iov_iter_rw(iter);
 
-	if (f2fs_post_read_required(inode))
+	if (!fscrypt_dio_supported(iocb, iter))
+		return true;
+	if (fsverity_active(inode))
 		return true;
 	if (f2fs_is_multi_device(sbi))
 		return true;
-- 
2.27.0.383.g050319c2ae-goog