diff options
author | Eric Biggers <ebiggers@google.com> | 2019-08-04 19:35:48 -0700 |
---|---|---|
committer | Eric Biggers <ebiggers@google.com> | 2019-08-12 19:18:50 -0700 |
commit | 8ce589c773180f15d9ef426679a92909e8233dbe (patch) | |
tree | bccd934160dc40b2d2ed72f2cd450ea41bac15c0 /fs | |
parent | 29b3692e6dbf82266ec3c2764c236f8708d7fc89 (diff) |
f2fs: wire up new fscrypt ioctls
Wire up the new ioctls for adding and removing fscrypt keys to/from the
filesystem, and the new ioctl for retrieving v2 encryption policies.
The key removal ioctls also required making f2fs_drop_inode() call
fscrypt_drop_inode().
For more details see Documentation/filesystems/fscrypt.rst and the
fscrypt patches that added the implementation of these ioctls.
Acked-by: Jaegeuk Kim <jaegeuk@kernel.org>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Diffstat (limited to 'fs')
-rw-r--r-- | fs/f2fs/file.c | 58 | ||||
-rw-r--r-- | fs/f2fs/super.c | 2 |
2 files changed, 60 insertions, 0 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 3e58a6f697dd..6a7349f9ac15 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -2184,6 +2184,49 @@ out_err: return err; } +static int f2fs_ioc_get_encryption_policy_ex(struct file *filp, + unsigned long arg) +{ + if (!f2fs_sb_has_encrypt(F2FS_I_SB(file_inode(filp)))) + return -EOPNOTSUPP; + + return fscrypt_ioctl_get_policy_ex(filp, (void __user *)arg); +} + +static int f2fs_ioc_add_encryption_key(struct file *filp, unsigned long arg) +{ + if (!f2fs_sb_has_encrypt(F2FS_I_SB(file_inode(filp)))) + return -EOPNOTSUPP; + + return fscrypt_ioctl_add_key(filp, (void __user *)arg); +} + +static int f2fs_ioc_remove_encryption_key(struct file *filp, unsigned long arg) +{ + if (!f2fs_sb_has_encrypt(F2FS_I_SB(file_inode(filp)))) + return -EOPNOTSUPP; + + return fscrypt_ioctl_remove_key(filp, (void __user *)arg); +} + +static int f2fs_ioc_remove_encryption_key_all_users(struct file *filp, + unsigned long arg) +{ + if (!f2fs_sb_has_encrypt(F2FS_I_SB(file_inode(filp)))) + return -EOPNOTSUPP; + + return fscrypt_ioctl_remove_key_all_users(filp, (void __user *)arg); +} + +static int f2fs_ioc_get_encryption_key_status(struct file *filp, + unsigned long arg) +{ + if (!f2fs_sb_has_encrypt(F2FS_I_SB(file_inode(filp)))) + return -EOPNOTSUPP; + + return fscrypt_ioctl_get_key_status(filp, (void __user *)arg); +} + static int f2fs_ioc_gc(struct file *filp, unsigned long arg) { struct inode *inode = file_inode(filp); @@ -3092,6 +3135,16 @@ long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) return f2fs_ioc_get_encryption_policy(filp, arg); case F2FS_IOC_GET_ENCRYPTION_PWSALT: return f2fs_ioc_get_encryption_pwsalt(filp, arg); + case FS_IOC_GET_ENCRYPTION_POLICY_EX: + return f2fs_ioc_get_encryption_policy_ex(filp, arg); + case FS_IOC_ADD_ENCRYPTION_KEY: + return f2fs_ioc_add_encryption_key(filp, arg); + case FS_IOC_REMOVE_ENCRYPTION_KEY: + return f2fs_ioc_remove_encryption_key(filp, arg); + case FS_IOC_REMOVE_ENCRYPTION_KEY_ALL_USERS: + return f2fs_ioc_remove_encryption_key_all_users(filp, arg); + case FS_IOC_GET_ENCRYPTION_KEY_STATUS: + return f2fs_ioc_get_encryption_key_status(filp, arg); case F2FS_IOC_GARBAGE_COLLECT: return f2fs_ioc_gc(filp, arg); case F2FS_IOC_GARBAGE_COLLECT_RANGE: @@ -3219,6 +3272,11 @@ long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) case F2FS_IOC_SET_ENCRYPTION_POLICY: case F2FS_IOC_GET_ENCRYPTION_PWSALT: case F2FS_IOC_GET_ENCRYPTION_POLICY: + case FS_IOC_GET_ENCRYPTION_POLICY_EX: + case FS_IOC_ADD_ENCRYPTION_KEY: + case FS_IOC_REMOVE_ENCRYPTION_KEY: + case FS_IOC_REMOVE_ENCRYPTION_KEY_ALL_USERS: + case FS_IOC_GET_ENCRYPTION_KEY_STATUS: case F2FS_IOC_GARBAGE_COLLECT: case F2FS_IOC_GARBAGE_COLLECT_RANGE: case F2FS_IOC_WRITE_CHECKPOINT: diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 78a1b873e48a..e15bd29bd453 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -913,6 +913,8 @@ static int f2fs_drop_inode(struct inode *inode) return 0; } ret = generic_drop_inode(inode); + if (!ret) + ret = fscrypt_drop_inode(inode); trace_f2fs_drop_inode(inode, ret); return ret; } |