From: Chengguang Xu <charliecgxu@xxxxxxxxxxx> Set 'DONTCACHE' flag to overlayfs inode so that upper inode to be always synced before eviction. Signed-off-by: Chengguang Xu <charliecgxu@xxxxxxxxxxx> --- fs/overlayfs/inode.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c index 027ffc0a2539..c4472299d5df 100644 --- a/fs/overlayfs/inode.c +++ b/fs/overlayfs/inode.c @@ -791,6 +791,7 @@ void ovl_inode_init(struct inode *inode, struct ovl_inode_params *oip, ovl_copyattr(realinode, inode); ovl_copyflags(realinode, inode); ovl_map_ino(inode, ino, fsid); + d_mark_dontcache(inode); } static void ovl_fill_inode(struct inode *inode, umode_t mode, dev_t rdev) -- 2.27.0