ext4 crypto: inherit encryption policies on inode and directory create
Signed-off-by: Michael Halcrow <mhalcrow@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index acd79198..77a63ff 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -2253,7 +2253,19 @@
else
inode->i_fop = &ext4_file_operations;
ext4_set_aops(inode);
- err = ext4_add_nondir(handle, dentry, inode);
+ err = 0;
+#ifdef CONFIG_EXT4_FS_ENCRYPTION
+ if (!err && ext4_encrypted_inode(dir)) {
+ err = ext4_inherit_context(dir, inode);
+ if (err) {
+ clear_nlink(inode);
+ unlock_new_inode(inode);
+ iput(inode);
+ }
+ }
+#endif
+ if (!err)
+ err = ext4_add_nondir(handle, dentry, inode);
if (!err && IS_DIRSYNC(dir))
ext4_handle_sync(handle);
}
@@ -2437,6 +2449,13 @@
err = ext4_init_new_dir(handle, dir, inode);
if (err)
goto out_clear_inode;
+#ifdef CONFIG_EXT4_FS_ENCRYPTION
+ if (ext4_encrypted_inode(dir)) {
+ err = ext4_inherit_context(dir, inode);
+ if (err)
+ goto out_clear_inode;
+ }
+#endif
err = ext4_mark_inode_dirty(handle, inode);
if (!err)
err = ext4_add_entry(handle, dentry, inode);