Lines Matching defs:lower
183 * If lower filesystem supports NFS file handles, this also guaranties
202 * upper files, so we cannot use the lower origin st_ino
206 * same dir on a lower layer. With the "verify_lower"
207 * feature, we do not use the lower origin st_ino, if
223 * If we are querying a metacopy dentry and lower
226 * vfs_getattr(). If lower itself is metacopy, then
238 * If lower is not same as lowerdata or if there was
268 * and non-covered lower hardlinks. It does not include the upper
528 * overlayfs instance as lower layer. We need to annotate the
640 OVL_I(inode)->lower = igrab(d_inode(oip->lowerpath->dentry));
685 * hardlinks and non-covered lower hardlinks. During the lifetime of a non-pure
695 * lower inode nlink in the index inode xattr trusted.overlay.nlink.
702 * For the last, lower cover up case, we simplify things by preceding the
713 * nlink relative to the lower inode - "L[+-]NUM"
811 * checks, so NULL lower/upper in dentry must match NULL lower/upper in
813 * 'unknown' lower/upper.
816 /* Real lower dir moved to upper layer under us? */
826 * Allow non-NULL lower inode in ovl_inode even if lowerdentry is NULL.
828 * or hardlinked overlay dentry and lower dentry cannot be followed
829 * by origin because lower fs does not support file handles.
836 * This happens when finding a lower alias for a copied up hard link.
911 * Does overlay inode need to be hashed by lower inode?
914 struct dentry *lower, bool index)
919 if (!lower)
930 /* No, if lower hardlink is or will be broken on copy up */
932 !d_is_dir(lower) && d_inode(lower)->i_nlink > 1)
939 /* Otherwise, hash by lower inode for fsnotify */
972 * Copy up origin (lower) may exist for non-indexed upper, but we must
973 * not use lower as hash key if this is a broken hardlink.