Unionfs: Stackable namespace unification filesystem

The following patches are in a git repo at:

git://git.kernel.org/pub/scm/linux/kernel/git/jsipek/unionfs.git

(master.kernel.org:/pub/scm/linux/kernel/git/jsipek/unionfs.git)

The repository contains the following 35 commits (also available as patches
in replies to this email).

Commits 1..9 (already in -mm):
These patches are already in Andrew Morton's -mm tree.

fsstack: Introduce fsstack_copy_{attr,inode}_*
fsstack: Remove unneeded wrapper
eCryptfs: Use fsstack's generic copy inode attr functions
fsstack: Fix up eCryptfs compilation
struct path: Rename Reiserfs's struct path
struct path: Rename DM's struct path
struct path: Move struct path from fs/namei.c into include/linux
struct path: make eCryptfs a user of struct path
fs/stack.c should #include <linux/fs_stack.h>

Commits 10..11 (additional fixes to the above)
These patches are not yet in -mm, and they fix two things the above
patches missed.

fsstack: Make fsstack_copy_attr_all copy inode size
fsstack: Fix up ecryptfs's fsstack usage

Commits 12..35 (Unionfs):
These patches make up stripped down version of Unionfs. They depend
on fsstack (see above patches).

Unionfs: Documentation
lookup_one_len_nd - lookup_one_len with nameidata argument
Unionfs: Branch management functionality
Unionfs: Common file operations
Unionfs: Copyup Functionality
Unionfs: Dentry operations
Unionfs: File operations
Unionfs: Directory file operations
Unionfs: Directory manipulation helper functions
Unionfs: Inode operations
Unionfs: Lookup helper functions
Unionfs: Main module functions
Unionfs: Readdir state
Unionfs: Rename
Unionfs: Privileged operations workqueue
Unionfs: Handling of stale inodes
Unionfs: Miscellaneous helper functions
Unionfs: Superblock operations
Unionfs: Helper macros/inlines
Unionfs: Internal include file
Unionfs: Include file
Unionfs: Unlink
Unionfs: Kconfig and Makefile
Unionfs: Extended Attributes support


As always, comments are welcomed.

Thanks,

Josef "Jeff" Sipek.
jsipek@xxxxxxxxxxxxx
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Relevant Pages

  • Re: unionfs: several more problems
    ... I just posted a series of patches to unionfs (already in unionfs.git on ... korg), which fix every problem LTP found, as well as other problems ... I'd like to call your attention to one small unionfs_writepage fix. ...
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    ... are you talking about VFS/ecryptfs patches (which are in the stable ... I'm talking about Unionfs, which seems like a rather critical feature to ... It is possible that the bug is in the -mm code. ... either causes an EBUSY on unmount or an oops on unmount :-) ...
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    ... With the patches I just posted, ... commands in unionfs. ... bindex = ibstart; ... (including the lower level not supporting bmap, as in the tmpfs case), ...
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