linux/net
Linus Torvalds a66d2c8f7e Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull the big VFS changes from Al Viro:
 "This one is *big* and changes quite a few things around VFS.  What's in there:

   - the first of two really major architecture changes - death to open
     intents.

     The former is finally there; it was very long in making, but with
     Miklos getting through really hard and messy final push in
     fs/namei.c, we finally have it.  Unlike his variant, this one
     doesn't introduce struct opendata; what we have instead is
     ->atomic_open() taking preallocated struct file * and passing
     everything via its fields.

     Instead of returning struct file *, it returns -E...  on error, 0
     on success and 1 in "deal with it yourself" case (e.g.  symlink
     found on server, etc.).

     See comments before fs/namei.c:atomic_open().  That made a lot of
     goodies finally possible and quite a few are in that pile:
     ->lookup(), ->d_revalidate() and ->create() do not get struct
     nameidata * anymore; ->lookup() and ->d_revalidate() get lookup
     flags instead, ->create() gets "do we want it exclusive" flag.

     With the introduction of new helper (kern_path_locked()) we are rid
     of all struct nameidata instances outside of fs/namei.c; it's still
     visible in namei.h, but not for long.  Come the next cycle,
     declaration will move either to fs/internal.h or to fs/namei.c
     itself.  [me, miklos, hch]

   - The second major change: behaviour of final fput().  Now we have
     __fput() done without any locks held by caller *and* not from deep
     in call stack.

     That obviously lifts a lot of constraints on the locking in there.
     Moreover, it's legal now to call fput() from atomic contexts (which
     has immediately simplified life for aio.c).  We also don't need
     anti-recursion logics in __scm_destroy() anymore.

     There is a price, though - the damn thing has become partially
     asynchronous.  For fput() from normal process we are guaranteed
     that pending __fput() will be done before the caller returns to
     userland, exits or gets stopped for ptrace.

     For kernel threads and atomic contexts it's done via
     schedule_work(), so theoretically we might need a way to make sure
     it's finished; so far only one such place had been found, but there
     might be more.

     There's flush_delayed_fput() (do all pending __fput()) and there's
     __fput_sync() (fput() analog doing __fput() immediately).  I hope
     we won't need them often; see warnings in fs/file_table.c for
     details.  [me, based on task_work series from Oleg merged last
     cycle]

   - sync series from Jan

   - large part of "death to sync_supers()" work from Artem; the only
     bits missing here are exofs and ext4 ones.  As far as I understand,
     those are going via the exofs and ext4 trees resp.; once they are
     in, we can put ->write_super() to the rest, along with the thread
     calling it.

   - preparatory bits from unionmount series (from dhowells).

   - assorted cleanups and fixes all over the place, as usual.

  This is not the last pile for this cycle; there's at least jlayton's
  ESTALE work and fsfreeze series (the latter - in dire need of fixes,
  so I'm not sure it'll make the cut this cycle).  I'll probably throw
  symlink/hardlink restrictions stuff from Kees into the next pile, too.
  Plus there's a lot of misc patches I hadn't thrown into that one -
  it's large enough as it is..."

* 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (127 commits)
  ext4: switch EXT4_IOC_RESIZE_FS to mnt_want_write_file()
  btrfs: switch btrfs_ioctl_balance() to mnt_want_write_file()
  switch dentry_open() to struct path, make it grab references itself
  spufs: shift dget/mntget towards dentry_open()
  zoran: don't bother with struct file * in zoran_map
  ecryptfs: don't reinvent the wheels, please - use struct completion
  don't expose I_NEW inodes via dentry->d_inode
  tidy up namei.c a bit
  unobfuscate follow_up() a bit
  ext3: pass custom EOF to generic_file_llseek_size()
  ext4: use core vfs llseek code for dir seeks
  vfs: allow custom EOF in generic_file_llseek code
  vfs: Avoid unnecessary WB_SYNC_NONE writeback during sys_sync and reorder sync passes
  vfs: Remove unnecessary flushing of block devices
  vfs: Make sys_sync writeout also block device inodes
  vfs: Create function for iterating over block devices
  vfs: Reorder operations during sys_sync
  quota: Move quota syncing to ->sync_fs method
  quota: Split dquot_quota_sync() to writeback and cache flushing part
  vfs: Move noop_backing_dev_info check from sync into writeback
  ...
2012-07-23 12:27:27 -07:00
..
9p Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-06-28 11:20:31 -07:00
802 tokenring: delete all remaining driver support 2012-05-15 20:23:16 -04:00
8021q net: Fix memory leak - vlan_info struct 2012-07-10 23:32:27 -07:00
appletalk appletalk: Remove out of date message in printk 2012-06-07 13:11:59 -07:00
atm Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2012-05-22 19:22:50 -07:00
ax25 ax25: Fix missing break 2012-07-16 23:22:36 -07:00
batman-adv batman-adv: check incoming packet type for bla 2012-07-06 00:08:46 +02:00
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-06-28 11:20:31 -07:00
bridge bridge: Assign rtnl_link_ops to bridge devices created via ioctl (v2) 2012-06-26 21:12:32 -07:00
caif caif: Fix access to freed pernet memory 2012-07-16 23:06:20 -07:00
can net: remove skb_orphan_try() 2012-06-15 15:30:15 -07:00
ceph libceph: fix messenger retry 2012-07-17 19:35:59 -07:00
core Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-07-23 12:27:27 -07:00
dcb net: dcb: add CEE notify calls 2012-04-25 19:47:17 -04:00
dccp net: include/net/sock.h cleanup 2012-05-17 04:50:21 -04:00
decnet net: Convert net_ratelimit uses to net_<level>_ratelimited 2012-05-15 13:45:03 -04:00
dns_resolver Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2012-05-21 20:27:36 -07:00
dsa dsa: Convert compare_ether_addr to ether_addr_equal 2012-05-09 20:49:19 -04:00
ethernet net, drivers/net: Convert compare_ether_addr_64bits to ether_addr_equal_64bits 2012-05-10 23:33:01 -04:00
ieee802154 ieee802154: verify packet size before trying to allocate it 2012-07-08 23:49:30 -07:00
ipv4 cipso: don't follow a NULL pointer when setsockopt() is called 2012-07-18 09:01:12 -07:00
ipv6 tcp: heed result of security_inet_conn_request() in tcp_v6_conn_request() 2012-06-25 16:05:19 -07:00
ipx ipx: Remove spurious NULL checking in ipx_ioctl(). 2012-05-19 00:51:04 -04:00
irda net: Convert all sysctl registrations to register_net_sysctl 2012-04-20 21:22:30 -04:00
iucv net: remove skb_orphan_try() 2012-06-15 15:30:15 -07:00
key net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
l2tp net: l2tp_eth: use LLTX to avoid LOCKDEP splats 2012-06-26 16:42:33 -07:00
lapb lapb: Neaten debugging 2012-05-17 18:45:20 -04:00
llc net: include/net/sock.h cleanup 2012-05-17 04:50:21 -04:00
mac80211 mac80211: destroy assoc_data correctly if assoc fails 2012-07-09 15:01:00 -04:00
mac802154 mac802154: add missed braces 2012-06-25 16:35:30 -07:00
netfilter ipvs: fix oops in ip_vs_dst_event on rmmod 2012-07-17 12:00:58 +02:00
netlabel netlabel: use GFP flags from caller instead of GFP_ATOMIC 2012-03-22 19:29:57 -04:00
netlink genetlink: Build a generic netlink family module alias 2012-05-29 22:33:56 -04:00
netrom net: Convert all sysctl registrations to register_net_sysctl 2012-04-20 21:22:30 -04:00
nfc NFC: Prevent NULL deref when getting socket name 2012-07-09 15:01:00 -04:00
openvswitch Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-05-16 22:17:37 -04:00
packet af_packet: packet_getsockopt() cleanup 2012-04-21 16:36:42 -04:00
phonet net: remove my future former mail address 2012-06-17 16:29:38 -07:00
rds rds_rdma: don't assume infiniband device is PCI 2012-05-29 17:30:07 -04:00
rfkill device.h: cleanup users outside of linux/include (C files) 2012-03-11 14:27:37 -04:00
rose net: Convert all sysctl registrations to register_net_sysctl 2012-04-20 21:22:30 -04:00
rxrpc net/rxrpc/ar-peer.c: remove invalid reference to list iterator variable 2012-07-09 15:24:33 -07:00
sched sch_sfb: Fix missing NULL check 2012-07-12 08:33:18 -07:00
sctp sctp: Fix list corruption resulting from freeing an association on a list 2012-07-16 22:32:26 -07:00
sunrpc NFS client bugfixes for Linux 3.5 2012-06-15 17:37:23 -07:00
tipc tipc: compress out gratuitous extra carriage returns 2012-04-30 15:53:56 -04:00
unix net: sock_diag_handler structs can be const 2012-04-25 20:46:59 -04:00
wanrouter net/wanrouter: Deprecate and schedule for removal 2012-05-24 16:22:53 -04:00
wimax net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
wireless cfg80211: fix potential deadlock in regulatory 2012-06-13 10:17:53 +02:00
x25 net: add a limit parameter to sk_add_backlog() 2012-04-23 22:28:28 -04:00
xfrm ipv6: fix incorrect ipsec fragment 2012-05-27 01:11:22 -04:00
compat.c Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2012-05-21 20:27:36 -07:00
Kconfig net: drop NET dependency from HAVE_BPF_JIT 2012-05-21 12:50:12 -07:00
Makefile econet: remove ancient bug ridden protocol 2012-05-18 01:35:08 -04:00
nonet.c llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
socket.c Merge branch 'for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2012-05-22 17:37:47 -07:00
sysctl_net.c net: delete all instances of special processing for token ring 2012-05-15 20:14:35 -04:00