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ext4 crypto: migrate into vfs's crypto engine

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This patch removes the most parts of internal crypto codes.
And then, it modifies and adds some ext4-specific crypt codes to use the generic
facility.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Jaegeuk Kim
2016-07-10 14:01:03 -04:00
committed by Theodore Ts'o
parent ff0031d848
commit a7550b30ab
19 changed files with 303 additions and 2003 deletions
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14
fs/ext4/inline.c
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@@ -1326,7 +1326,7 @@ int htree_inlinedir_to_tree(struct file *dir_file,
struct ext4_iloc iloc;
void *dir_buf = NULL;
struct ext4_dir_entry_2 fake;
struct ext4_str tmp_str;
struct fscrypt_str tmp_str;
ret = ext4_get_inode_loc(inode, &iloc);
if (ret)
@@ -1739,20 +1739,20 @@ ext4_get_inline_entry(struct inode *inode,
return (struct ext4_dir_entry_2 *)(inline_pos + offset);
}
int empty_inline_dir(struct inode *dir, int *has_inline_data)
bool empty_inline_dir(struct inode *dir, int *has_inline_data)
{
int err, inline_size;
struct ext4_iloc iloc;
void *inline_pos;
unsigned int offset;
struct ext4_dir_entry_2 *de;
int ret = 1;
bool ret = true;
err = ext4_get_inode_loc(dir, &iloc);
if (err) {
EXT4_ERROR_INODE(dir, "error %d getting inode %lu block",
err, dir->i_ino);
return 1;
return true;
}
down_read(&EXT4_I(dir)->xattr_sem);
@@ -1766,7 +1766,7 @@ int empty_inline_dir(struct inode *dir, int *has_inline_data)
ext4_warning(dir->i_sb,
"bad inline directory (dir #%lu) - no `..'",
dir->i_ino);
ret = 1;
ret = true;
goto out;
}
@@ -1784,11 +1784,11 @@ int empty_inline_dir(struct inode *dir, int *has_inline_data)
dir->i_ino, le32_to_cpu(de->inode),
le16_to_cpu(de->rec_len), de->name_len,
inline_size);
ret = 1;
ret = true;
goto out;
}
if (le32_to_cpu(de->inode)) {
ret = 0;
ret = false;
goto out;
}
offset += ext4_rec_len_from_disk(de->rec_len, inline_size);