fscrypt: rename keyinfo.c to keysetup.c

Rename keyinfo.c to keysetup.c since this better describes what the file
does (sets up the key), and it matches the new file keysetup_v1.c.

Reviewed-by: Theodore Ts'o <[email protected]>
Signed-off-by: Eric Biggers <[email protected]>

fs/crypto/Makefile

@@ -4,7 +4,7 @@ obj-$(CONFIG_FS_ENCRYPTION)	+= fscrypto.o
 fscrypto-y := crypto.o \
 	      fname.o \
 	      hooks.o \
-	      keyinfo.o \
+	      keysetup.o \
 	      keysetup_v1.o \
 	      policy.o
 

fs/crypto/fscrypt_private.h

@@ -156,7 +156,7 @@ extern bool fscrypt_fname_encrypted_size(const struct inode *inode,
 					 u32 orig_len, u32 max_len,
 					 u32 *encrypted_len_ret);
 
-/* keyinfo.c */
+/* keysetup.c */
 
 struct fscrypt_mode {
 	const char *friendly_name;