linux-kernel - [PATCH 2/3] f2fs crypto: sync with ext4's fname padding

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Message-Id: <1455332195-76333-2-git-send-email-jaegeuk@kernel.org>
Date:	Fri, 12 Feb 2016 18:56:34 -0800
From:	Jaegeuk Kim <jaegeuk@...nel.org>
To:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	linux-f2fs-devel@...ts.sourceforge.net
Cc:	Jaegeuk Kim <jaegeuk@...nel.org>
Subject: [PATCH 2/3] f2fs crypto: sync with ext4's fname padding

This patch fixes wrong adoption on fname padding.

Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
---
 fs/f2fs/crypto_fname.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/f2fs/crypto_fname.c b/fs/f2fs/crypto_fname.c
index 905c065..73741fb 100644
--- a/fs/f2fs/crypto_fname.c
+++ b/fs/f2fs/crypto_fname.c
@@ -267,13 +267,13 @@ int f2fs_fname_crypto_alloc_buffer(struct inode *inode,
 				   u32 ilen, struct f2fs_str *crypto_str)
 {
 	unsigned int olen;
-	int padding = 16;
+	int padding = 32;
 	struct f2fs_crypt_info *ci = F2FS_I(inode)->i_crypt_info;
 
 	if (ci)
 		padding = 4 << (ci->ci_flags & F2FS_POLICY_FLAGS_PAD_MASK);
-	if (padding < F2FS_CRYPTO_BLOCK_SIZE)
-		padding = F2FS_CRYPTO_BLOCK_SIZE;
+	if (ilen < F2FS_CRYPTO_BLOCK_SIZE)
+		ilen = F2FS_CRYPTO_BLOCK_SIZE;
 	olen = f2fs_fname_crypto_round_up(ilen, padding);
 	crypto_str->len = olen;
 	if (olen < F2FS_FNAME_CRYPTO_DIGEST_SIZE * 2)
-- 
2.6.3