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Message-ID: <20150222085152.GE29656@ZenIV.linux.org.uk>
Date: Sun, 22 Feb 2015 08:51:52 +0000
From: Al Viro <viro@...IV.linux.org.uk>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
linux-fsdevel <linux-fsdevel@...r.kernel.org>
Subject: Re: [git pull] more vfs bits
On Sat, Feb 21, 2015 at 07:16:16PM -0800, Linus Torvalds wrote:
> On Sat, Feb 21, 2015 at 6:51 PM, Al Viro <viro@...iv.linux.org.uk> wrote:
> >
> > Umm... Works for me. Let's do it this way, then:
> > * rename those guys through the whole series
> > * leave the "annotate the filesystems" bits to sit in a vfs.git
> > branch
> > * slap trylock_super() + bugfixes I'd been doing today
> > (procfs and debugfs symlink removals racing with follow_link, oopsable;
> > double-copy in autofs dev_ioctl.c, with length not rechecked after
> > copying, theoretically oopsable + reasonably likely data leak) on top of queue
> > * feed it through local tests and send an updated pull request later
> > tonight.
>
> Ok, I guess I can live with that.
Looks like it survived all the local beating so far...
Stuff in there: assorted fixes, multilayer overlayfs from Miklos, beginning
of David's series (long-term goal being to have VFS understand stacking
relationships, rather than kludging that up in a bunch of places; for now
it's mostly infrastructure pieces along with some optimizations that could
be standalone). Pushed, please pull from the usual place -
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git for-linus
Shortlog:
Al Viro (10):
switch ll_lookup_finish_locks() and ll_revalidate_it_finish() to inode
configfs: configfs_create() init callback is never NULL and it never fails
configfs: fold create_dir() into its only caller
configfs_add_file: fold into its sole caller
don't bother with most of the bad_file_ops methods
hypfs: switch to read_iter/write_iter
Documentation/filesystems/Locking: ->get_sb() is long gone
debugfs: leave freeing a symlink body until inode eviction
procfs: fix race between symlink removals and traversals
autofs4 copy_dev_ioctl(): keep the value of ->size we'd used for allocation
Bastien Nocera (1):
coredump: Fix typo in comment
David Howells (14):
configfs: Fix potential NULL d_inode dereference
Infiniband: Fix potential NULL d_inode dereference
VFS: Introduce inode-getting helpers for layered/unioned fs environments
VFS: Add a whiteout dentry type
VFS: Add a fallthrough flag for marking virtual dentries
VFS: Split DCACHE_FILE_TYPE into regular and special types
Apparmor: mediated_filesystem() should use dentry->d_sb not inode->i_sb
Apparmor: Use d_is_positive/negative() rather than testing dentry->d_inode
TOMOYO: Use d_is_dir() rather than d_inode and S_ISDIR()
Smack: Use d_is_positive() rather than testing dentry->d_inode
SELinux: Use d_is_positive() rather than testing dentry->d_inode
VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry)
Cachefiles: Fix up scripted S_ISDIR/S_ISREG/S_ISLNK conversions
fanotify: Fix up scripted S_ISDIR/S_ISREG/S_ISLNK conversions
Kinglong Mee (1):
fs/aio.c: Remove duplicate function name in pr_debug messages
Konstantin Khlebnikov (1):
trylock_super(): replacement for grab_super_passive()
Miklos Szeredi (16):
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: check whiteout on lowest layer as well
ovl: lookup ENAMETOOLONG on lower means ENOENT
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
ovl: add testsuite to docs
ovl: document lower layer ordering
Omar Sandoval (1):
posix_acl: fix reference leaks in posix_acl_create
Rasmus Villemoes (1):
autofs4: Wrong format for printing dentry
Seunghun Lee (1):
ovl: Prevent rw remount when it should be ro mount
hujianyang (5):
ovl: Cleanup redundant blank lines
ovl: Use macros to present ovl_xattr
ovl: Fix kernel panic while mounting overlayfs
ovl: Fix opaque regression in ovl_lookup
ovl: discard independent cursor in readdir()
Diffstat:
Documentation/filesystems/Locking | 2 -
Documentation/filesystems/overlayfs.txt | 28 +
arch/s390/hypfs/inode.c | 53 +-
drivers/infiniband/hw/ipath/ipath_fs.c | 2 +-
drivers/infiniband/hw/qib/qib_fs.c | 2 +-
drivers/staging/lustre/lustre/llite/dcache.c | 12 +-
drivers/staging/lustre/lustre/llite/file.c | 8 +-
.../staging/lustre/lustre/llite/llite_internal.h | 4 +-
drivers/staging/lustre/lustre/llite/namei.c | 12 +-
fs/9p/vfs_inode.c | 2 +-
fs/aio.c | 6 +-
fs/autofs4/dev-ioctl.c | 8 +-
fs/autofs4/expire.c | 2 +-
fs/autofs4/root.c | 6 +-
fs/bad_inode.c | 147 ------
fs/btrfs/ioctl.c | 4 +-
fs/cachefiles/daemon.c | 4 +-
fs/cachefiles/interface.c | 4 +-
fs/cachefiles/namei.c | 16 +-
fs/cachefiles/rdwr.c | 2 +-
fs/ceph/dir.c | 2 +-
fs/ceph/file.c | 2 +-
fs/coda/dir.c | 2 +-
fs/configfs/configfs_internal.h | 3 +-
fs/configfs/dir.c | 72 ++-
fs/configfs/file.c | 28 +-
fs/configfs/inode.c | 12 +-
fs/coredump.c | 2 +-
fs/dcache.c | 37 +-
fs/debugfs/inode.c | 36 +-
fs/ecryptfs/file.c | 2 +-
fs/ecryptfs/inode.c | 4 +-
fs/exportfs/expfs.c | 2 +-
fs/fs-writeback.c | 6 +-
fs/fuse/dir.c | 2 +-
fs/gfs2/dir.c | 2 +-
fs/hfsplus/dir.c | 2 +-
fs/hppfs/hppfs.c | 4 +-
fs/internal.h | 2 +-
fs/jffs2/dir.c | 14 +-
fs/jffs2/super.c | 2 +-
fs/libfs.c | 2 +-
fs/namei.c | 2 +-
fs/namespace.c | 10 +-
fs/nfsd/nfs4recover.c | 4 +-
fs/nfsd/nfsfh.c | 8 +-
fs/nfsd/vfs.c | 8 +-
fs/notify/fanotify/fanotify.c | 6 +-
fs/overlayfs/copy_up.c | 5 +-
fs/overlayfs/dir.c | 34 +-
fs/overlayfs/inode.c | 12 +-
fs/overlayfs/overlayfs.h | 18 +-
fs/overlayfs/readdir.c | 181 +++----
fs/overlayfs/super.c | 564 ++++++++++++++-------
fs/posix_acl.c | 18 +-
fs/proc/generic.c | 12 -
fs/proc/inode.c | 21 +
fs/proc/internal.h | 1 +
fs/reiserfs/xattr.c | 4 +-
fs/super.c | 40 +-
fs/xfs/xfs_ioctl.c | 2 +-
include/linux/dcache.h | 120 ++++-
mm/shmem.c | 4 +-
security/apparmor/include/apparmor.h | 4 +-
security/apparmor/lsm.c | 20 +-
security/apparmor/path.c | 2 +-
security/inode.c | 2 +-
security/selinux/hooks.c | 8 +-
security/smack/smack_lsm.c | 4 +-
security/tomoyo/file.c | 4 +-
70 files changed, 924 insertions(+), 758 deletions(-)
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