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2015-01-08ovl: document lower layer orderingMiklos Szeredi1-2/+6
Reported-by: Fabian Sturm <fabian.sturm@aduu.de> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
2014-12-13ovl: add testsuite to docsMiklos Szeredi1-0/+12
Reported-by: Sedat Dilek <sedat.dilek@gmail.com> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
2014-12-13ovl: support multiple lower layersMiklos Szeredi1-0/+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>
2014-11-20ovl: rename filesystem type to "overlay"Miklos Szeredi1-1/+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>
2014-10-24overlay: overlay filesystem documentationNeil Brown1-0/+198
Document the overlay filesystem. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>