Re: [PATCH 00/74] Union mounts version something or other

From: Valerie Aurora
Date: Tue Mar 22 2011 - 22:12:20 EST

Next message: Linus Torvalds: "Re: [git pull] drm next tree"
Previous message: Cesar Eduardo Barros: "[PATCH] sys_swapon: fix inode locking"
Next in thread: Sedat Dilek: "Re: [PATCH 00/74] Union mounts version something or other"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

And I cc'd linux@xxxxxxxxxxxxxxx on all the patches instead of
linux-kernel@xxxxxxxxxxxxxxx - guess I'm really out of the kernel
business now! Anyway, if you want your replies to go to lkml, you'll
have to hand edit the cc list.

-VAL

On Tue, Mar 22, 2011 at 6:58 PM, Valerie Aurora
<valerie.aurora@xxxxxxxxx> wrote:
> Hi union mounts fans(?),
>
> Here's my current union mounts patch set, against 2.6.36-rc5. I'm
> busy with other things[1] and unlikely to put in significant work on
> union mounts in the next year. I'm happy to answer questions from
> anyone else working on them.
>
> As always, git trees for the kernel, util-linux, and e2fsprogs, lots
> of documentation, and LWN articles describing the various problems
> unioning file systems will encounter are here:
>
> http://valerieaurora.org/union/
>
> The devkit linked to from that page includes my Usermode Linux testing
> environment, including root file system image. The README tells you
> how to run the test suite automatically (yes, an automated test suite
> - with Makefile and version control and comments and stuff!).
>
> I took a quick look at the current overlayfs patch set, and it's
> small, clean, and easy to understand. If it does what people need, I
> say ship it.
>
> Thanks to everyone who reviewed and submitted patches for union mounts!
>
> -VAL
>
> [1] http://adainitiative.org
>
> ---
>
> Felix Fietkau (2):
> whiteout: jffs2 whiteout support
> fallthru: jffs2 fallthru support
>
> Jan Blunck (9):
> VFS: Make lookup_hash() return a struct path
> autofs4: Save autofs trigger's vfsmount in super block info
> whiteout/NFSD: Don't return information about whiteouts to userspace
> whiteout: Add vfs_whiteout() and whiteout inode operation
> whiteout: Allow removal of a directory with whiteouts
> whiteout: tmpfs whiteout support
> union-mount: Introduce MNT_UNION and MS_UNION flags
> union-mount: Free union stack on removal of topmost dentry from
> dcache
> union-mount: Create IS_MNT_UNION()
>
> Valerie Aurora (63):
> VFS: Comment follow_mount() and friends
> Documentation: Fix trivial typo in filesystems/sharedsubtree.txt
> whiteout: Define opaque inode flags and operations
> ext2: Add ext2_dirent_in_use()
> ext2: Split ext2_add_entry() from ext2_add_link()
> whiteout: ext2 whiteout support
> fallthru: Basic fallthru definitions
> fallthru: ext2 fallthru support
> fallthru: tmpfs fallthru support
> VFS: Add hard read-only users count to superblock
> VFS: Make clone_mnt()/copy_tree()/collect_mounts() return errors
> VFS: Add CL_NO_SHARED flag to clone_mnt()/copy_tree()
> VFS: Add CL_NO_SLAVE flag to clone_mnt()/copy_tree()
> VFS: Add CL_MAKE_HARD_READONLY flag to clone_mnt()/copy_tree()
> union-mount: Union mounts documentation
> union-mount: Add CONFIG_UNION_MOUNT option
> union-mount: Create union_stack structure
> union-mount: Add two superblock fields for union mounts
> union-mount: Add union_alloc()
> union-mount: Add union_find_dir()
> union-mount: Create d_free_unions()
> union-mount: Create union_add_dir()
> union-mount: Add union_create_topmost_dir()
> union-mount: Create needs_lookup_union()
> union-mount: Create check_topmost_union_mnt()
> union-mount: Add clone_union_tree() and put_union_sb()
> union-mount: Create build_root_union()
> union-mount: Create prepare_mnt_union() and cleanup_mnt_union()
> union-mount: Prevent improper union-related remounts
> union-mount: Prevent topmost file system from being mounted elsewhere
> union-mount: Prevent bind mounts of union mounts
> union-mount: Implement union mount
> union-mount: Temporarily disable some syscalls
> union-mount: Basic infrastructure of __lookup_union()
> union-mount: Process negative dentries in __lookup_union()
> union-mount: Return files found in lower layers in __lookup_union()
> union-mount: Build union stack in __lookup_union()
> union-mount: Follow mount in __lookup_union()
> union-mount: Add lookup_union()
> union-mount: Add do_lookup_union() wrapper for __lookup_union()
> union-mount: Call union lookup functions in lookup path
> union-mount: Create whiteout on unlink()
> union-mount: Create whiteout on rmdir()
> union-mount: Set opaque flag on new directories in unioned file
> systems
> union-mount: Copy up directory entries on first readdir()
> union-mount: Add generic_readdir_fallthru() helper
> fallthru: ext2 support for lookup of d_type/d_ino in fallthrus
> fallthru: tmpfs support for lookup of d_type/d_ino in fallthrus
> fallthru: jffs2 support for lookup of d_type/d_ino in fallthrus
> VFS: Split inode_permission() and create path_permission()
> VFS: Create user_path_nd() to lookup both parent and target
> union-mount: In-kernel file copyup routines
> union-mount: Implement union-aware access()/faccessat()
> union-mount: Implement union-aware link()
> union-mount: Implement union-aware rename()
> union-mount: Implement union-aware writable open()
> union-mount: Implement union-aware chown()
> union-mount: Implement union-aware truncate()
> union-mount: Implement union-aware chmod()/fchmodat()
> union-mount: Implement union-aware lchown()
> union-mount: Implement union-aware utimensat()
> union-mount: Implement union-aware setxattr()
> union-mount: Implement union-aware lsetxattr()
>
> Documentation/filesystems/sharedsubtree.txt | 4 +-
> Documentation/filesystems/union-mounts.txt | 751 +++++++++++++++++++++++++
> Documentation/filesystems/vfs.txt | 16 +-
> fs/Kconfig | 13 +
> fs/Makefile | 1 +
> fs/autofs4/autofs_i.h | 1 +
> fs/autofs4/init.c | 11 +-
> fs/autofs4/root.c | 6 +
> fs/compat.c | 9 +
> fs/dcache.c | 32 +-
> fs/ext2/dir.c | 116 ++++-
> fs/ext2/ext2.h | 3 +
> fs/ext2/inode.c | 11 +-
> fs/ext2/namei.c | 85 +++-
> fs/ext2/super.c | 6 +
> fs/jffs2/dir.c | 117 ++++-
> fs/jffs2/fs.c | 4 +
> fs/jffs2/super.c | 2 +-
> fs/libfs.c | 20 +-
> fs/namei.c | 807 ++++++++++++++++++++++++---
> fs/namespace.c | 394 +++++++++++--
> fs/nfsd/nfs3xdr.c | 5 +
> fs/nfsd/nfs4xdr.c | 5 +
> fs/nfsd/nfsxdr.c | 4 +
> fs/open.c | 116 ++++-
> fs/pnode.c | 5 +-
> fs/pnode.h | 3 +
> fs/readdir.c | 18 +
> fs/super.c | 9 +
> fs/union.c | 714 ++++++++++++++++++++++++
> fs/union.h | 105 ++++
> fs/utimes.c | 14 +-
> fs/xattr.c | 65 ++-
> include/linux/dcache.h | 37 ++-
> include/linux/ext2_fs.h | 8 +
> include/linux/fs.h | 45 ++
> include/linux/jffs2.h | 8 +
> include/linux/mount.h | 4 +
> include/linux/namei.h | 2 +
> kernel/audit_tree.c | 10 +-
> mm/shmem.c | 193 ++++++-
> 41 files changed, 3551 insertions(+), 228 deletions(-)
> create mode 100644 Documentation/filesystems/union-mounts.txt
> create mode 100644 fs/union.c
> create mode 100644 fs/union.h
>
>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

Next message: Linus Torvalds: "Re: [git pull] drm next tree"
Previous message: Cesar Eduardo Barros: "[PATCH] sys_swapon: fix inode locking"
Next in thread: Sedat Dilek: "Re: [PATCH 00/74] Union mounts version something or other"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]