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| author | Eric Biggers <ebiggers@google.com> | 2022-11-10 11:29:42 +0300 |
|---|---|---|
| committer | Eric Biggers <ebiggers@google.com> | 2022-11-16 04:19:29 +0300 |
| commit | 02aef4225258fa6d022ce9040716aeecc3afc521 (patch) | |
| tree | 1aaedc1d1e4c5f19f6b847907d78c1dc0bd657b1 /fs/crypto/fscrypt_private.h | |
| parent | f0c4d9fc9cc9462659728d168387191387e903cc (diff) | |
| download | linux-02aef4225258fa6d022ce9040716aeecc3afc521.tar.xz | |
fscrypt: pass super_block to fscrypt_put_master_key_activeref()
As this code confused Linus [1], pass the super_block as an argument to
fscrypt_put_master_key_activeref(). This removes the need to have the
back-pointer ->mk_sb, so remove that.
[1] https://lore.kernel.org/linux-fscrypt/CAHk-=wgud4Bc_um+htgfagYpZAnOoCb3NUoW67hc9LhOKsMtJg@mail.gmail.com
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20221110082942.351615-1-ebiggers@kernel.org
Diffstat (limited to 'fs/crypto/fscrypt_private.h')
| -rw-r--r-- | fs/crypto/fscrypt_private.h | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/fs/crypto/fscrypt_private.h b/fs/crypto/fscrypt_private.h index d5f68a0c5d15..316a778cec0f 100644 --- a/fs/crypto/fscrypt_private.h +++ b/fs/crypto/fscrypt_private.h @@ -439,13 +439,7 @@ struct fscrypt_master_key_secret { struct fscrypt_master_key { /* - * Back-pointer to the super_block of the filesystem to which this - * master key has been added. Only valid if ->mk_active_refs > 0. - */ - struct super_block *mk_sb; - - /* - * Link in ->mk_sb->s_master_keys->key_hashtable. + * Link in ->s_master_keys->key_hashtable. * Only valid if ->mk_active_refs > 0. */ struct hlist_node mk_node; @@ -456,7 +450,7 @@ struct fscrypt_master_key { /* * Active and structural reference counts. An active ref guarantees * that the struct continues to exist, continues to be in the keyring - * ->mk_sb->s_master_keys, and that any embedded subkeys (e.g. + * ->s_master_keys, and that any embedded subkeys (e.g. * ->mk_direct_keys) that have been prepared continue to exist. * A structural ref only guarantees that the struct continues to exist. * @@ -569,7 +563,8 @@ static inline int master_key_spec_len(const struct fscrypt_key_specifier *spec) void fscrypt_put_master_key(struct fscrypt_master_key *mk); -void fscrypt_put_master_key_activeref(struct fscrypt_master_key *mk); +void fscrypt_put_master_key_activeref(struct super_block *sb, + struct fscrypt_master_key *mk); struct fscrypt_master_key * fscrypt_find_master_key(struct super_block *sb, |