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Johannes Berg 134e63756d genetlink: make netns aware 
This makes generic netlink network namespace aware. No
generic netlink families except for the controller family
are made namespace aware, they need to be checked one by
one and then set the family->netnsok member to true.

A new function genlmsg_multicast_netns() is introduced to
allow sending a multicast message in a given namespace,
for example when it applies to an object that lives in
that namespace, a new function genlmsg_multicast_allns()
to send a message to all network namespaces (for objects
that do not have an associated netns).

The function genlmsg_multicast() is changed to multicast
the message in just init_net, which is currently correct
for all generic netlink families since they only work in
init_net right now. Some will later want to work in all
net namespaces because they do not care about the netns
at all -- those will have to be converted to use one of
the new functions genlmsg_multicast_allns() or
genlmsg_multicast_netns() whenever they are made netns
aware in some way.

After this patch families can easily decide whether or
not they should be available in all net namespaces. Many
genl families us it for objects not related to networking
and should therefore be available in all namespaces, but
that will have to be done on a per family basis.

Note that this doesn't touch on the checkpoint/restart
problem where network namespaces could be used, genl
families and multicast groups are numbered globally and
I see no easy way of changing that, especially since it
must be possible to multicast to all network namespaces
for those families that do not care about netns.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2009-07-12 14:03:27 -07:00
..
9p 9P doesn't need BKL in ->umount_begin() 2009-06-17 00:36:36 -04:00
adfs Cleanup of adfs headers 2009-06-17 00:36:36 -04:00
affs affs: add ->sync_fs 2009-06-11 21:36:14 -04:00
afs AFS: Fix lock imbalance 2009-06-30 13:30:44 -07:00
autofs switch follow_down() 2009-06-11 21:36:01 -04:00
autofs4 switch follow_down() 2009-06-11 21:36:01 -04:00
befs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2009-06-17 08:46:57 -07:00
bfs bfs: add ->sync_fs 2009-06-11 21:36:14 -04:00
btrfs Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable 2009-07-02 16:52:38 -07:00
cachefiles enforce ->sync_fs is only called for rw superblock 2009-06-11 21:36:06 -04:00
cifs cifs: fix fh_mutex locking in cifs_reopen_file 2009-06-27 23:46:43 +00:00
coda splice: implement default splice_read method 2009-05-11 14:13:10 +02:00
configfs
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cramfs
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debugfs debugfs: use specified mode to possibly mark files read/write only 2009-06-15 21:30:28 -07:00
devpts devpts: remove module-related code 2009-06-24 08:15:24 -04:00
dlm genetlink: make netns aware 2009-07-12 14:03:27 -07:00
ecryptfs push BKL down into ->put_super 2009-06-11 21:36:07 -04:00
efs get rid of BKL in fs/efs 2009-06-17 00:36:36 -04:00
exofs [SCSI] Merge branch 'linus' 2009-06-12 10:02:03 -05:00
exportfs
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ext2 ext2: return -EIO not -ESTALE on directory traversal through deleted inode 2009-06-30 18:56:00 -07:00
ext3 helpers for acl caching + switch to those 2009-06-24 08:17:07 -04:00
ext4 helpers for acl caching + switch to those 2009-06-24 08:17:07 -04:00
fat fat: Fix the removal of opts->fs_dmask 2009-06-20 21:50:47 +09:00
freevxfs push BKL down into ->put_super 2009-06-11 21:36:07 -04:00
fscache FS-Cache: Fixup renamed filenames in comments in internal.h 2009-05-27 10:20:13 -07:00
fuse fuse: invalidation reverse calls 2009-06-30 20:12:24 +02:00
gfs2 block: rename CONFIG_LBD to CONFIG_LBDAF 2009-06-19 08:08:50 +02:00
hfs hfs: add ->sync_fs 2009-06-11 21:36:15 -04:00
hfsplus hfsplus: add ->sync_fs 2009-06-11 21:36:16 -04:00
hostfs hostfs: set maximum filesize in superblock for proper LFS support 2009-06-30 18:56:03 -07:00
hpfs Push BKL down into ->remount_fs() 2009-06-11 21:36:11 -04:00
hppfs
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hugetlbfs Merge branch 'master' into next 2009-05-22 18:40:59 +10:00
isofs isofs: cleanup mount option processing 2009-06-18 13:03:45 -07:00
jbd jbd: clean up journal_try_to_free_buffers() 2009-06-18 13:03:45 -07:00
jbd2 jbd2: clean up jbd2_journal_try_to_free_buffers() 2009-06-17 20:08:51 -04:00
jffs2 Merge git://git.infradead.org/mtd-2.6 2009-07-01 11:25:46 -07:00
jfs another race fix in jfs_check_acl() 2009-06-24 17:02:42 -04:00
lockd Merge branch 'for-2.6.31' of git://fieldses.org/git/linux-nfsd 2009-06-22 12:55:50 -07:00
minix Making fs/minix/minix.h double including safe 2009-06-22 11:34:42 -07:00
ncpfs NLS: update handling of Unicode 2009-06-15 21:44:43 -07:00
nfs NFS: Correct the NFS mount path when following a referral 2009-06-22 21:28:25 -07:00
nfs_common
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nfsd NFSD: Don't hold unrefcounted creds over call to nfsd_setuser() 2009-07-03 10:21:10 -04:00
nilfs2 switch nilfs2 to inode->i_acl 2009-06-24 08:17:05 -04:00
nls NLS: update handling of Unicode 2009-06-15 21:44:43 -07:00
notify fs/notify/inotify: decrement user inotify count on close 2009-07-02 08:23:00 -04:00
ntfs ntfs: use is_power_of_2() function for clarity. 2009-06-16 19:47:48 -07:00
ocfs2 Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2 2009-06-23 19:36:02 -07:00
omfs switch omfs to simple_fsync() 2009-06-11 21:36:13 -04:00
openpromfs
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partitions Merge branch 'for-2.6.31' of git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6 2009-06-12 09:29:42 -07:00
proc proc: vmcore - use kzalloc in get_new_element() 2009-06-18 13:03:41 -07:00
qnx4 fs/qnx4: sanitize includes 2009-06-11 21:36:12 -04:00
quota quota: cleanup dquota sync functions (version 4) 2009-06-11 21:36:04 -04:00
ramfs ramfs: ignore unknown mount options 2009-06-14 17:58:25 -07:00
reiserfs helpers for acl caching + switch to those 2009-06-24 08:17:07 -04:00
romfs ROMFS: romfs_dev_read() error ignored 2009-05-09 10:49:41 -04:00
smbfs push BKL down into ->put_super 2009-06-11 21:36:07 -04:00
squashfs push BKL down into ->put_super 2009-06-11 21:36:07 -04:00
sysfs Sysfs: fix possible memleak in sysfs_follow_link 2009-06-15 21:30:23 -07:00
sysv get rid of BKL in fs/sysv 2009-06-17 00:36:37 -04:00
ubifs helpers for acl caching + switch to those 2009-06-24 08:17:07 -04:00
udf udf: remove redundant tests on unsigned 2009-06-24 13:48:28 +02:00
ufs ufs: sector_t cannot be negative 2009-06-18 13:03:46 -07:00
xfs switch xfs to generic acl caching helpers 2009-06-24 08:17:07 -04:00
Kconfig Merge branch 'for-2.6.31' of git://fieldses.org/git/linux-nfsd 2009-06-22 12:55:50 -07:00
Kconfig.binfmt
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Makefile
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aio.c eventfd: revised interface and cleanups 2009-06-30 18:55:58 -07:00
anon_inodes.c fs: Provide empty .set_page_dirty() aop for anon inodes 2009-06-18 14:46:10 +02:00
attr.c
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bad_inode.c
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binfmt_aout.c
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binfmt_elf.c elf: fix one check-after-use 2009-07-01 11:14:28 -07:00
binfmt_elf_fdpic.c elf_core_dump: use rcu_read_lock() to access ->real_parent 2009-06-18 13:03:52 -07:00
binfmt_em86.c
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binfmt_flat.c flat: fix data sections alignment 2009-05-29 08:40:02 -07:00
binfmt_misc.c
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binfmt_script.c
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binfmt_som.c
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bio-integrity.c block: Create bip slabs with embedded integrity vectors 2009-07-01 10:56:25 +02:00
bio.c block: Create bip slabs with embedded integrity vectors 2009-07-01 10:56:25 +02:00
block_dev.c vfs: Rename fsync_super() to sync_filesystem() (version 4) 2009-06-11 21:36:04 -04:00
buffer.c Merge branch 'for-2.6.31' of git://git.kernel.dk/linux-2.6-block 2009-06-11 11:10:35 -07:00
char_dev.c fs: Remove i_cindex from struct inode 2009-06-11 21:36:09 -04:00
compat.c trivial: fix comment typo in fs/compat.c 2009-06-12 18:01:44 +02:00
compat_binfmt_elf.c
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compat_ioctl.c fs: Add new pre-allocation ioctls to vfs for compatibility with legacy xfs ioctls 2009-06-24 08:15:27 -04:00
dcache.c dcache: extrace and use d_unlinked() 2009-06-11 21:36:06 -04:00
dcookies.c
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direct-io.c block: Do away with the notion of hardsect_size 2009-05-22 23:22:54 +02:00
drop_caches.c mm: remove __invalidate_mapping_pages variant 2009-06-16 19:47:43 -07:00
eventfd.c eventfd: revised interface and cleanups 2009-06-30 18:55:58 -07:00
eventpoll.c epoll: fix nested calls support 2009-06-18 13:03:41 -07:00
exec.c Merge branch 'perfcounters-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-06-11 14:01:07 -07:00
fcntl.c send_sigio_to_task: sanitize the usage of fown->signum 2009-06-16 15:36:17 -07:00
fifo.c
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file.c
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file_table.c fs: move mark_files_ro into file_table.c 2009-06-11 21:36:02 -04:00
filesystems.c
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fs-writeback.c cleanup __writeback_single_inode 2009-06-24 08:15:26 -04:00
fs_struct.c
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generic_acl.c
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inode.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2009-06-24 10:03:12 -07:00
internal.h Trim a bit of crap from fs.h 2009-06-11 21:36:07 -04:00
ioctl.c fs: Add new pre-allocation ioctls to vfs for compatibility with legacy xfs ioctls 2009-06-24 08:15:27 -04:00
ioprio.c
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libfs.c New helper - simple_fsync() 2009-06-11 21:36:11 -04:00
locks.c
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mbcache.c
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mpage.c
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namei.c integrity: add ima_counts_put (updated) 2009-06-29 08:59:10 +10:00
namespace.c ... and the same for vfsmount id/mount group id 2009-06-24 08:15:26 -04:00
nfsctl.c
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no-block.c
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open.c fs: Add new pre-allocation ioctls to vfs for compatibility with legacy xfs ioctls 2009-06-24 08:15:27 -04:00
pipe.c splice: implement default splice_read method 2009-05-11 14:13:10 +02:00
pnode.c
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pnode.h
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posix_acl.c
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read_write.c splice: implement default splice_read method 2009-05-11 14:13:10 +02:00
read_write.h
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readdir.c
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select.c poll: avoid extra wakeups in select/poll 2009-06-16 19:47:48 -07:00
seq_file.c seq_file: add function to write binary data 2009-06-18 13:03:57 -07:00
signalfd.c
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splice.c splice: fix kmaps in default_file_splice_write() 2009-05-19 11:37:46 +02:00
stack.c
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stat.c
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super.c ... and the same for vfsmount id/mount group id 2009-06-24 08:15:26 -04:00
sync.c remove the call to ->write_super in __sync_filesystem 2009-06-11 21:36:17 -04:00
timerfd.c
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utimes.c
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xattr.c fs: introduce mnt_clone_write 2009-06-11 21:36:02 -04:00
xattr_acl.c
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