[PATCH RFC 4/9] pidfs: make inodes mutable

[Christian Brauner <brauner@kernel.org>]

Prepare for allowing extended attributes to be set on pidfd inodes by
allowing them to be mutable.

Signed-off-by: Christian Brauner <brauner@kernel.org>
---
 fs/pidfs.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/pidfs.c b/fs/pidfs.c
index 9373d03fd263..ca217bfe6e40 100644
--- a/fs/pidfs.c
+++ b/fs/pidfs.c
@@ -892,6 +892,8 @@ static int pidfs_init_inode(struct inode *inode, void *data)
 
 	inode->i_private = data;
 	inode->i_flags |= S_PRIVATE | S_ANON_INODE;
+	/* We allow to set xattrs. */
+	inode->i_flags &= ~S_IMMUTABLE;
 	inode->i_mode |= S_IRWXU;
 	inode->i_op = &pidfs_inode_operations;
 	inode->i_fop = &pidfs_file_operations;

-- 
2.47.2