From 4f3572954a9d4cbf992072713af284d990b65d87 Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Wed, 18 Jul 2018 15:44:41 +0200 Subject: ovl: copy up inode flags On inode creation copy certain inode flags from the underlying real inode to the overlay inode. This is in preparation for moving overlay functionality out of the VFS. Signed-off-by: Miklos Szeredi --- fs/overlayfs/overlayfs.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'fs/overlayfs/overlayfs.h') diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index 008420e834d8..25cf26e57cdb 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -350,6 +350,13 @@ static inline void ovl_copyattr(struct inode *from, struct inode *to) to->i_ctime = from->i_ctime; } +static inline void ovl_copyflags(struct inode *from, struct inode *to) +{ + unsigned int mask = S_SYNC | S_IMMUTABLE | S_APPEND | S_NOATIME; + + inode_set_flags(to, from->i_flags & mask, mask); +} + /* dir.c */ extern const struct inode_operations ovl_dir_inode_operations; int ovl_cleanup_and_whiteout(struct dentry *workdir, struct inode *dir, -- cgit v1.2.3