[PATCH 11/26] ubifs: Preload crypto context in ->lookup()
Richard Weinberger
richard at nod.at
Fri Oct 21 05:48:26 PDT 2016
...and mark the dentry as encrypted.
Signed-off-by: Richard Weinberger <richard at nod.at>
---
fs/ubifs/dir.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index a77edc5ca5c9..7ee32768ba19 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -218,6 +218,21 @@ static struct dentry *ubifs_lookup(struct inode *dir, struct dentry *dentry,
dbg_gen("'%pd' in dir ino %lu", dentry, dir->i_ino);
+ if (ubifs_crypt_is_encrypted(dir)) {
+ err = fscrypt_get_encryption_info(dir);
+
+ /*
+ * DCACHE_ENCRYPTED_WITH_KEY is set if the dentry is
+ * created while the directory was encrypted and we
+ * have access to the key.
+ */
+ if (fscrypt_has_encryption_key(dir))
+ fscrypt_set_encrypted_dentry(dentry);
+ fscrypt_set_d_op(dentry);
+ if (err && err != -ENOKEY)
+ return ERR_PTR(err);
+ }
+
if (dentry->d_name.len > UBIFS_MAX_NLEN)
return ERR_PTR(-ENAMETOOLONG);
--
2.7.3
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