Commit 4f357295 authored by Miklos Szeredi's avatar Miklos Szeredi
Browse files

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: default avatarMiklos Szeredi <mszeredi@redhat.com>
parent d9854c87

fs/overlayfs/overlayfs.h

+7 −0
Original line number Diff line number Diff line
@@ -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,

fs/overlayfs/util.c

+1 −0
Original line number Diff line number Diff line
@@ -310,6 +310,7 @@ void ovl_inode_init(struct inode *inode, struct dentry *upperdentry, 
		OVL_I(inode)->lower = igrab(d_inode(lowerdentry));



	ovl_copyattr(realinode, inode);

	ovl_copyflags(realinode, inode);

	if (!inode->i_ino)

		inode->i_ino = realinode->i_ino;

}