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* ovl: document lower layer orderingMiklos Szeredi2015-01-081-2/+6
| | | | | Reported-by: Fabian Sturm <fabian.sturm@aduu.de> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
* ovl: add testsuite to docsMiklos Szeredi2014-12-131-0/+12
| | | | | Reported-by: Sedat Dilek <sedat.dilek@gmail.com> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
* ovl: support multiple lower layersMiklos Szeredi2014-12-131-0/+12
| | | | | | | | Allow "lowerdir=" option to contain multiple lower directories separated by a colon (e.g. "lowerdir=/bin:/usr/bin"). Colon characters in filenames can be escaped with a backslash. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
* ovl: rename filesystem type to "overlay"Miklos Szeredi2014-11-201-1/+1
| | | | | | | | | | | | | | | Some distributions carry an "old" format of overlayfs while mainline has a "new" format. The distros will possibly want to keep the old overlayfs alongside the new for compatibility reasons. To make it possible to differentiate the two versions change the name of the new one from "overlayfs" to "overlay". Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Reported-by: Serge Hallyn <serge.hallyn@ubuntu.com> Cc: Andy Whitcroft <apw@canonical.com>
* overlay: overlay filesystem documentationNeil Brown2014-10-241-0/+198
Document the overlay filesystem. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>