diff options
| author | Eric Biggers <ebiggers@google.com> | 2017-04-24 10:00:10 -0700 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2017-05-21 18:45:20 +0200 |
| commit | 32c44b9d026211e8160ca083049b38d437e8b3e1 (patch) | |
| tree | e06ef8ca1e1e8c78c44afe083f42f7f5f01f65aa /include/linux/fscrypt_notsupp.h | |
| parent | 12e51922e7ae132867451f3ba422fd54e1325a48 (diff) | |
fscrypt: introduce helper function for filename matching
Introduce a helper function fscrypt_match_name() which tests whether a
fscrypt_name matches a directory entry. Also clean up the magic numbers
and document things properly.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'include/linux/fscrypt_notsupp.h')
| -rw-r--r-- | include/linux/fscrypt_notsupp.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/fscrypt_notsupp.h b/include/linux/fscrypt_notsupp.h index 3511ca798..ec406aed2 100644 --- a/include/linux/fscrypt_notsupp.h +++ b/include/linux/fscrypt_notsupp.h @@ -147,6 +147,15 @@ static inline int fscrypt_fname_usr_to_disk(struct inode *inode, return -EOPNOTSUPP; } +static inline bool fscrypt_match_name(const struct fscrypt_name *fname, + const u8 *de_name, u32 de_name_len) +{ + /* Encryption support disabled; use standard comparison */ + if (de_name_len != fname->disk_name.len) + return false; + return !memcmp(de_name, fname->disk_name.name, fname->disk_name.len); +} + /* bio.c */ static inline void fscrypt_decrypt_bio_pages(struct fscrypt_ctx *ctx, struct bio *bio) |