From 5de0b4d0cd153c471640b13aae6ae6d18d0a4603 Mon Sep 17 00:00:00 2001 From: Theodore Ts'o Date: Fri, 1 May 2015 16:56:45 -0400 Subject: ext4 crypto: simplify and speed up filename encryption Avoid using SHA-1 when calculating the user-visible filename when the encryption key is available, and avoid decrypting lots of filenames when searching for a directory entry in a directory block. Change-Id: If4655f144784978ba0305b597bfa1c8d7bb69e63 Signed-off-by: Theodore Ts'o --- fs/ext4/dir.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/ext4/dir.c') diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c index 61db51a5ce4c..5665d82d2332 100644 --- a/fs/ext4/dir.c +++ b/fs/ext4/dir.c @@ -249,7 +249,7 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx) } else { /* Directory is encrypted */ err = ext4_fname_disk_to_usr(enc_ctx, - de, &fname_crypto_str); + NULL, de, &fname_crypto_str); if (err < 0) goto errout; if (!dir_emit(ctx, -- cgit v1.2.3