Lines Matching refs:lower

24 all non-directory objects will report an st_dev from the lower or
34 and a 'lower' filesystem.  When a name exists in both filesystems, the
36 'lower' filesystem is either hidden or, in the case of directories,
39 It would be more correct to refer to an upper and lower 'directory
43 lower.
45 The lower filesystem can be any filesystem supported by Linux and does
46 not need to be writable.  The lower filesystem can even be another
58 upper and lower filesystems and refers to a non-directory in either,
59 then the lower object is hidden - the name refers only to the upper
62 Where both upper and lower objects are directories, a merged directory
68   mount -t overlay overlay -olowerdir=/lower,upperdir=/upper,\
79 exists, else the lower.
83 directory only.  These attributes of the lower directory are hidden.
88 In order to support rm and rmdir without changing the lower
95 matching name in the lower level is ignored, and the whiteout itself
100 directory in the lower filesystem with the same name is ignored.
106 lower directories are each read and the name lists merged in the
107 obvious way (upper is read first, then lower - entries that already
131 underlying directory (upper or lower).
138 files etc.) are presented either from the upper or lower filesystem as
139 appropriate.  When a file in the lower filesystem is accessed in a way
141 some metadata etc., the file is first copied from the lower filesystem
153 data is copied from the lower to the upper filesystem.  Finally any
163 Multiple lower layers
166 Multiple lower layers can now be given using the the colon (":") as a
174 The specified lower directories will be stacked beginning from the
210 the upper or the lower trees.