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Subject[GIT PULL] multi-layer support for overlay filesystem
Al,

Please pull from

git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git overlayfs-next

This adds support for multiple read-only layers to overlayfs. It also makes the
writable upper layer optional.

Thanks,
Miklos

---
Miklos Szeredi (12):
ovl: check whiteout while reading directory
ovl: make path-type a bitmap
ovl: dont replace opaque dir
ovl: add mutli-layer infrastructure
ovl: helper to iterate layers
ovl: multi-layer readdir
ovl: multi-layer lookup
ovl: allow statfs if no upper layer
ovl: mount: change order of initialization
ovl: improve mount helpers
ovl: make upperdir optional
ovl: support multiple lower layers

---
Documentation/filesystems/overlayfs.txt | 12 +
fs/overlayfs/copy_up.c | 4 +-
fs/overlayfs/dir.c | 24 +-
fs/overlayfs/inode.c | 9 +-
fs/overlayfs/overlayfs.h | 14 +-
fs/overlayfs/readdir.c | 120 +++-----
fs/overlayfs/super.c | 521 ++++++++++++++++++++------------
7 files changed, 427 insertions(+), 277 deletions(-)


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