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bcachefs: #if 0 out (enable|disable)_encryption()

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These weren't hooked up, but they probably should be - add some comments
for context.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2025-03-16 13:39:14 -04:00
parent 9962cb7748
commit 9b39835e93
2 changed files with 15 additions and 0 deletions
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13
fs/bcachefs/checksum.c
View File

@ -693,6 +693,14 @@ static int bch2_alloc_ciphers(struct bch_fs *c)
return 0;
}
#if 0
/*
* This seems to be duplicating code in cmd_remove_passphrase() in
* bcachefs-tools, but we might want to switch userspace to use this - and
* perhaps add an ioctl for calling this at runtime, so we can take the
* passphrase off of a mounted filesystem (which has come up).
*/
int bch2_disable_encryption(struct bch_fs *c)
{
struct bch_sb_field_crypt *crypt;
@ -725,6 +733,10 @@ out:
return ret;
}
/*
* For enabling encryption on an existing filesystem: not hooked up yet, but it
* should be
*/
int bch2_enable_encryption(struct bch_fs *c, bool keyed)
{
struct bch_encrypted_key key;
@ -781,6 +793,7 @@ err:
memzero_explicit(&key, sizeof(key));
return ret;
}
#endif
void bch2_fs_encryption_exit(struct bch_fs *c)
{

2
fs/bcachefs/checksum.h
View File

@ -103,8 +103,10 @@ extern const struct bch_sb_field_ops bch_sb_field_ops_crypt;
int bch2_decrypt_sb_key(struct bch_fs *, struct bch_sb_field_crypt *,
struct bch_key *);
#if 0
int bch2_disable_encryption(struct bch_fs *);
int bch2_enable_encryption(struct bch_fs *, bool);
#endif
void bch2_fs_encryption_exit(struct bch_fs *);
int bch2_fs_encryption_init(struct bch_fs *);