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71a8ad3175
if we are trying to move over an existing whiteout, try a rename2(..., RENAME_EXCHANGE) first, so in one atomic operation we get both the file renamed and the whiteout created in the old source. Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
fuse-overlayfs
An implementation of overlay+shiftfs in FUSE for rootless containers.
Limitations:
Read-only mode is not supported, so it is always required to specify an upperdir and a workingdir.
Usage:
$ fuse-overlayfs -o lowerdir=lowerdir/a:lowerdir/b,upperdir=up,workdir=workdir merged
Specify a different UID/GID mapping:
$ fuse-overlayfs -o uidmapping=0:10:100:100:10000:2000,gidmapping=0:10:100:100:10000:2000,lowerdir=lowerdir/a:lowerdir/b,upperdir=up,workdir=workdir merged