Hi Linus,
Please pull from:
git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git overlayfs-linus
I tried to submit this though Al because of the VFS changes, but failed
unfortunately. The VFS changes are small and should only affect overlayfs, so
here it is.
This update contains the following changes:
- a couple of fixes in the "use mounter's permission to access underlying
layers" area;
- mnt_want_write_file() should freeze protect the underlying layer, except in
the case of i_ops, where the callee is expected to do that
- use "clone_file_range" to copy up if possible, resulting in a substantial
speedup;
- misc fixes and cleanups.
Thanks,
Miklos
---
Amir Goldstein (3):
vfs: allow vfs_clone_file_range() across mount points
vfs: call vfs_clone_file_range() under mnt_want_write()
ovl: use vfs_clone_file_range() for copy up if possible
Miklos Szeredi (7):
ovl: copy_up_xattr(): use strnlen
ovl: lookup: do getxattr with mounter's permission
vfs: mnt_want_write_file() should freeze protect underlying sb
ovl: explain error values when removing acl from workdir
ovl: use generic_readlink
vfs: add vfs_get_link() helper
ovl: use vfs_get_link()
Richard Weinberger (1):
ovl: Fix info leak in ovl_lookup_temp()
Vivek Goyal (1):
ovl: during copy up, switch to mounter's creds early
---
fs/ioctl.c | 5 +++-
fs/namei.c | 25 +++++++++++++++++
fs/namespace.c | 7 +++--
fs/nfsd/vfs.c | 3 +-
fs/open.c | 15 +++++-----
fs/overlayfs/copy_up.c | 75 +++++++++++++++++++-------------------------------
fs/overlayfs/dir.c | 5 +++-
fs/overlayfs/inode.c | 44 +++++++----------------------
fs/overlayfs/super.c | 33 ++++++++++++++--------
fs/read_write.c | 13 ++++-----
fs/xattr.c | 13 ++++++---
include/linux/fs.h | 14 ++++++++++
12 files changed, 135 insertions(+), 117 deletions(-)
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