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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

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Pull ext4 updates from Ted Ts'o:
 "Lots of bug fixes and cleanups"

* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (40 commits)
  ext4: remove unused variable
  ext4: use journal inode to determine journal overhead
  ext4: create function to read journal inode
  ext4: unmap metadata when zeroing blocks
  ext4: remove plugging from ext4_file_write_iter()
  ext4: allow unlocked direct IO when pages are cached
  ext4: require encryption feature for EXT4_IOC_SET_ENCRYPTION_POLICY
  fscrypto: use standard macros to compute length of fname ciphertext
  ext4: do not unnecessarily null-terminate encrypted symlink data
  ext4: release bh in make_indexed_dir
  ext4: Allow parallel DIO reads
  ext4: allow DAX writeback for hole punch
  jbd2: fix lockdep annotation in add_transaction_credits()
  blockgroup_lock.h: simplify definition of NR_BG_LOCKS
  blockgroup_lock.h: remove debris from bgl_lock_ptr() conversion
  fscrypto: make filename crypto functions return 0 on success
  fscrypto: rename completion callbacks to reflect usage
  fscrypto: remove unnecessary includes
  fscrypto: improved validation when loading inode encryption metadata
  ext4: fix memory leak when symlink decryption fails
  ...
This commit is contained in:
Linus Torvalds
2016-10-07 15:15:33 -07:00
parent 513a4befae 18017479ca
commit 2eee010d09
24 changed files with 534 additions and 524 deletions
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include/linux/fscrypto.h
-24
View File
@@ -111,23 +111,6 @@ struct fscrypt_completion_result {
struct fscrypt_completion_result ecr = { \
COMPLETION_INITIALIZER((ecr).completion), 0 }
static inline int fscrypt_key_size(int mode)
{
switch (mode) {
case FS_ENCRYPTION_MODE_AES_256_XTS:
return FS_AES_256_XTS_KEY_SIZE;
case FS_ENCRYPTION_MODE_AES_256_GCM:
return FS_AES_256_GCM_KEY_SIZE;
case FS_ENCRYPTION_MODE_AES_256_CBC:
return FS_AES_256_CBC_KEY_SIZE;
case FS_ENCRYPTION_MODE_AES_256_CTS:
return FS_AES_256_CTS_KEY_SIZE;
default:
BUG();
}
return 0;
}
#define FS_FNAME_NUM_SCATTER_ENTRIES 4
#define FS_CRYPTO_BLOCK_SIZE 16
#define FS_FNAME_CRYPTO_DIGEST_SIZE 32
@@ -202,13 +185,6 @@ static inline bool fscrypt_valid_filenames_enc_mode(u32 mode)
return (mode == FS_ENCRYPTION_MODE_AES_256_CTS);
}
static inline u32 fscrypt_validate_encryption_key_size(u32 mode, u32 size)
{
if (size == fscrypt_key_size(mode))
return size;
return 0;
}
static inline bool fscrypt_is_dot_dotdot(const struct qstr *str)
{
if (str->len == 1 && str->name[0] == '.')