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Subject[RFC PATCH 0/5] allow unprivileged overlay mounts
Date
Hi Eric,

Can you please have a look at this patchset?

The most interesting one is the last oneliner adding FS_USERNS_MOUNT;
whether I'm correct in stating that this isn't going to introduce any
holes, or not...

Thanks,
Miklos

---
Miklos Szeredi (5):
ovl: document permission model
ovl: ignore failure to copy up unknown xattrs
vfs: allow unprivileged whiteout creation
ovl: user xattr
ovl: unprivieged mounts

Documentation/filesystems/overlayfs.txt | 44 +++++++++++++
fs/char_dev.c | 3 +
fs/namei.c | 17 ++---
fs/overlayfs/copy_up.c | 34 +++++++---
fs/overlayfs/dir.c | 2 +-
fs/overlayfs/export.c | 2 +-
fs/overlayfs/inode.c | 39 ++++++------
fs/overlayfs/namei.c | 56 +++++++++--------
fs/overlayfs/overlayfs.h | 81 +++++++++++++++---------
fs/overlayfs/ovl_entry.h | 1 +
fs/overlayfs/readdir.c | 5 +-
fs/overlayfs/super.c | 53 +++++++++++-----
fs/overlayfs/util.c | 82 +++++++++++++++++++++----
include/linux/device_cgroup.h | 3 +
14 files changed, 298 insertions(+), 124 deletions(-)

--
2.21.0

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