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path: root/fs/f2fs/namei.c
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Diffstat (limited to 'fs/f2fs/namei.c')
-rw-r--r--fs/f2fs/namei.c56
1 files changed, 25 insertions, 31 deletions
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index b3c423a645bc..3bddd9f657e5 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -169,7 +169,7 @@ static int f2fs_link(struct dentry *old_dentry, struct inode *dir,
int err;
if (f2fs_encrypted_inode(dir) &&
- !f2fs_is_child_context_consistent_with_parent(dir, inode))
+ !fscrypt_has_permitted_context(dir, inode))
return -EPERM;
f2fs_balance_fs(sbi, true);
@@ -352,20 +352,20 @@ static int f2fs_symlink(struct inode *dir, struct dentry *dentry,
struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
struct inode *inode;
size_t len = strlen(symname);
- struct f2fs_str disk_link = FSTR_INIT((char *)symname, len + 1);
- struct f2fs_encrypted_symlink_data *sd = NULL;
+ struct fscrypt_str disk_link = FSTR_INIT((char *)symname, len + 1);
+ struct fscrypt_symlink_data *sd = NULL;
int err;
if (f2fs_encrypted_inode(dir)) {
- err = f2fs_get_encryption_info(dir);
+ err = fscrypt_get_encryption_info(dir);
if (err)
return err;
- if (!f2fs_encrypted_inode(dir))
+ if (!fscrypt_has_encryption_key(dir))
return -EPERM;
- disk_link.len = (f2fs_fname_encrypted_size(dir, len) +
- sizeof(struct f2fs_encrypted_symlink_data));
+ disk_link.len = (fscrypt_fname_encrypted_size(dir, len) +
+ sizeof(struct fscrypt_symlink_data));
}
if (disk_link.len > dir->i_sb->s_blocksize)
@@ -393,7 +393,7 @@ static int f2fs_symlink(struct inode *dir, struct dentry *dentry,
if (f2fs_encrypted_inode(inode)) {
struct qstr istr = QSTR_INIT(symname, len);
- struct f2fs_str ostr;
+ struct fscrypt_str ostr;
sd = kzalloc(disk_link.len, GFP_NOFS);
if (!sd) {
@@ -401,18 +401,18 @@ static int f2fs_symlink(struct inode *dir, struct dentry *dentry,
goto err_out;
}
- err = f2fs_get_encryption_info(inode);
+ err = fscrypt_get_encryption_info(inode);
if (err)
goto err_out;
- if (!f2fs_encrypted_inode(inode)) {
+ if (!fscrypt_has_encryption_key(inode)) {
err = -EPERM;
goto err_out;
}
ostr.name = sd->encrypted_path;
ostr.len = disk_link.len;
- err = f2fs_fname_usr_to_disk(inode, &istr, &ostr);
+ err = fscrypt_fname_usr_to_disk(inode, &istr, &ostr);
if (err < 0)
goto err_out;
@@ -593,7 +593,7 @@ out:
static int f2fs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
{
if (f2fs_encrypted_inode(dir)) {
- int err = f2fs_get_encryption_info(dir);
+ int err = fscrypt_get_encryption_info(dir);
if (err)
return err;
}
@@ -623,8 +623,7 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
int err = -ENOENT;
if ((old_dir != new_dir) && f2fs_encrypted_inode(new_dir) &&
- !f2fs_is_child_context_consistent_with_parent(new_dir,
- old_inode)) {
+ !fscrypt_has_permitted_context(new_dir, old_inode)) {
err = -EPERM;
goto out;
}
@@ -804,11 +803,9 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
int err = -ENOENT;
if ((f2fs_encrypted_inode(old_dir) || f2fs_encrypted_inode(new_dir)) &&
- (old_dir != new_dir) &&
- (!f2fs_is_child_context_consistent_with_parent(new_dir,
- old_inode) ||
- !f2fs_is_child_context_consistent_with_parent(old_dir,
- new_inode)))
+ (old_dir != new_dir) &&
+ (!fscrypt_has_permitted_context(new_dir, old_inode) ||
+ !fscrypt_has_permitted_context(old_dir, new_inode)))
return -EPERM;
old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page);
@@ -970,16 +967,15 @@ static int f2fs_rename2(struct inode *old_dir, struct dentry *old_dentry,
return f2fs_rename(old_dir, old_dentry, new_dir, new_dentry, flags);
}
-#ifdef CONFIG_F2FS_FS_ENCRYPTION
static const char *f2fs_encrypted_get_link(struct dentry *dentry,
struct inode *inode,
struct delayed_call *done)
{
struct page *cpage = NULL;
char *caddr, *paddr = NULL;
- struct f2fs_str cstr = FSTR_INIT(NULL, 0);
- struct f2fs_str pstr = FSTR_INIT(NULL, 0);
- struct f2fs_encrypted_symlink_data *sd;
+ struct fscrypt_str cstr = FSTR_INIT(NULL, 0);
+ struct fscrypt_str pstr = FSTR_INIT(NULL, 0);
+ struct fscrypt_symlink_data *sd;
loff_t size = min_t(loff_t, i_size_read(inode), PAGE_SIZE - 1);
u32 max_size = inode->i_sb->s_blocksize;
int res;
@@ -987,7 +983,7 @@ static const char *f2fs_encrypted_get_link(struct dentry *dentry,
if (!dentry)
return ERR_PTR(-ECHILD);
- res = f2fs_get_encryption_info(inode);
+ res = fscrypt_get_encryption_info(inode);
if (res)
return ERR_PTR(res);
@@ -998,7 +994,7 @@ static const char *f2fs_encrypted_get_link(struct dentry *dentry,
caddr[size] = 0;
/* Symlink is encrypted */
- sd = (struct f2fs_encrypted_symlink_data *)caddr;
+ sd = (struct fscrypt_symlink_data *)caddr;
cstr.name = sd->encrypted_path;
cstr.len = le16_to_cpu(sd->len);
@@ -1014,17 +1010,16 @@ static const char *f2fs_encrypted_get_link(struct dentry *dentry,
goto errout;
}
- if ((cstr.len + sizeof(struct f2fs_encrypted_symlink_data) - 1) >
- max_size) {
+ if ((cstr.len + sizeof(struct fscrypt_symlink_data) - 1) > max_size) {
/* Symlink data on the disk is corrupted */
res = -EIO;
goto errout;
}
- res = f2fs_fname_crypto_alloc_buffer(inode, cstr.len, &pstr);
+ res = fscrypt_fname_alloc_buffer(inode, cstr.len, &pstr);
if (res)
goto errout;
- res = f2fs_fname_disk_to_usr(inode, NULL, &cstr, &pstr);
+ res = fscrypt_fname_disk_to_usr(inode, 0, 0, &cstr, &pstr);
if (res < 0)
goto errout;
@@ -1037,7 +1032,7 @@ static const char *f2fs_encrypted_get_link(struct dentry *dentry,
set_delayed_call(done, kfree_link, paddr);
return paddr;
errout:
- f2fs_fname_crypto_free_buffer(&pstr);
+ fscrypt_fname_free_buffer(&pstr);
page_cache_release(cpage);
return ERR_PTR(res);
}
@@ -1054,7 +1049,6 @@ const struct inode_operations f2fs_encrypted_symlink_inode_operations = {
.removexattr = generic_removexattr,
#endif
};
-#endif
const struct inode_operations f2fs_dir_inode_operations = {
.create = f2fs_create,