diff options
| -rw-r--r-- | fs/ecryptfs/crypto.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c index 708f931c36f1..bc2376726090 100644 --- a/fs/ecryptfs/crypto.c +++ b/fs/ecryptfs/crypto.c @@ -37,6 +37,7 @@ #include <linux/slab.h> #include <asm/unaligned.h> #include <linux/kernel.h> +#include <linux/xattr.h> #include "ecryptfs_kernel.h" #define DECRYPT 0 @@ -1131,9 +1132,21 @@ ecryptfs_write_metadata_to_xattr(struct dentry *ecryptfs_dentry, char *page_virt, size_t size) { int rc; + struct dentry *lower_dentry = ecryptfs_dentry_to_lower(ecryptfs_dentry); + struct inode *lower_inode = d_inode(lower_dentry); - rc = ecryptfs_setxattr(ecryptfs_dentry, ecryptfs_inode, - ECRYPTFS_XATTR_NAME, page_virt, size, 0); + if (!(lower_inode->i_opflags & IOP_XATTR)) { + rc = -EOPNOTSUPP; + goto out; + } + + inode_lock(lower_inode); + rc = __vfs_setxattr(lower_dentry, lower_inode, ECRYPTFS_XATTR_NAME, + page_virt, size, 0); + if (!rc && ecryptfs_inode) + fsstack_copy_attr_all(ecryptfs_inode, lower_inode); + inode_unlock(lower_inode); +out: return rc; } |