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

From: Jaegeuk Kim
Date: Fri Feb 12 2016 - 21:57:46 EST


This patch fixes wrong adoption on fname padding.

Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
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