08 Mar, 2010
2 commits
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Constify struct sysfs_ops.
This is part of the ops structure constification
effort started by Arjan van de Ven et al.Benefits of this constification:
* prevents modification of data that is shared
(referenced) by many other structure instances
at runtime* detects/prevents accidental (but not intentional)
modification attempts on archs that enforce
read-only kernel data at runtime* potentially better optimized code as the compiler
can assume that the const data cannot be changed* the compiler/linker move const data into .rodata
and therefore exclude them from false sharingSigned-off-by: Emese Revfy
Acked-by: David Teigland
Acked-by: Matt Domsch
Acked-by: Maciej Sosnowski
Acked-by: Hans J. Koch
Acked-by: Pekka Enberg
Acked-by: Jens Axboe
Acked-by: Stephen Hemminger
Signed-off-by: Greg Kroah-Hartman -
Passing the attribute to the low level IO functions allows all kinds
of cleanups, by sharing low level IO code without requiring
an own function for every piece of data.Also drivers can extend the attributes with own data fields
and use that in the low level function.This makes the class attributes the same as sysdev_class attributes
and plain attributes.This will allow further cleanups in drivers.
Full tree sweep converting all users.
Signed-off-by: Andi Kleen
Signed-off-by: Greg Kroah-Hartman
07 Mar, 2010
2 commits
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* 'for-2.6.34' of git://linux-nfs.org/~bfields/linux: (22 commits)
nfsd4: fix minor memory leak
svcrpc: treat uid's as unsigned
nfsd: ensure sockets are closed on error
Revert "sunrpc: move the close processing after do recvfrom method"
Revert "sunrpc: fix peername failed on closed listener"
sunrpc: remove unnecessary svc_xprt_put
NFSD: NFSv4 callback client should use RPC_TASK_SOFTCONN
xfs_export_operations.commit_metadata
commit_metadata export operation replacing nfsd_sync_dir
lockd: don't clear sm_monitored on nsm_reboot_lookup
lockd: release reference to nsm_handle in nlm_host_rebooted
nfsd: Use vfs_fsync_range() in nfsd_commit
NFSD: Create PF_INET6 listener in write_ports
SUNRPC: NFS kernel APIs shouldn't return ENOENT for "transport not found"
SUNRPC: Bury "#ifdef IPV6" in svc_create_xprt()
NFSD: Support AF_INET6 in svc_addsock() function
SUNRPC: Use rpc_pton() in ip_map_parse()
nfsd: 4.1 has an rfc number
nfsd41: Create the recovery entry for the NFSv4.1 client
nfsd: use vfs_fsync for non-directories
... -
The macro any_online_node() is prone to producing sparse warnings due to
the local symbol 'node'. Since all the in-tree users are really
requesting the first online node (the mask argument is either
NODE_MASK_ALL or node_online_map) just use the first_online_node macro and
remove the any_online_node macro since there are no users.Signed-off-by: H Hartley Sweeten
Acked-by: David Rientjes
Reviewed-by: KAMEZAWA Hiroyuki
Cc: Mel Gorman
Cc: Lee Schermerhorn
Acked-by: Benjamin Herrenschmidt
Cc: Paul Mackerras
Cc: Dave Hansen
Cc: Milton Miller
Cc: Nathan Fontenot
Cc: Geoff Levand
Cc: Grant Likely
Cc: J. Bruce Fields
Cc: Neil Brown
Cc: Trond Myklebust
Cc: David S. Miller
Cc: Benny Halevy
Cc: Chuck Lever
Cc: Ricardo Labiaga
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
06 Mar, 2010
8 commits
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* 'nfs-for-2.6.34' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6: (44 commits)
NFS: Remove requirement for inode->i_mutex from nfs_invalidate_mapping
NFS: Clean up nfs_sync_mapping
NFS: Simplify nfs_wb_page()
NFS: Replace __nfs_write_mapping with sync_inode()
NFS: Simplify nfs_wb_page_cancel()
NFS: Ensure inode is always marked I_DIRTY_DATASYNC, if it has unstable pages
NFS: Run COMMIT as an asynchronous RPC call when wbc->for_background is set
NFS: Reduce the number of unnecessary COMMIT calls
NFS: Add a count of the number of unstable writes carried by an inode
NFS: Cleanup - move nfs_write_inode() into fs/nfs/write.c
nfs41 fix NFS4ERR_CLID_INUSE for exchange id
NFS: Fix an allocation-under-spinlock bug
SUNRPC: Handle EINVAL error returns from the TCP connect operation
NFSv4.1: Various fixes to the sequence flag error handling
nfs4: renewd renew operations should take/put a client reference
nfs41: renewd sequence operations should take/put client reference
nfs: prevent backlogging of renewd requests
nfs: kill renewd before clearing client minor version
NFS: Make close(2) asynchronous when closing NFS O_DIRECT files
NFS: Improve NFS iostat byte count accuracy for writes
... -
This patch adds 9P2010.L protocol negotiation with the server
Signed-off-by: Sripathi Kodi
Signed-off-by: Eric Van Hensbergen -
Removes 'dotu' variable and make everything dependent
on 'proto_version' field.Signed-off-by: Sripathi Kodi
Signed-off-by: Eric Van Hensbergen -
Add new mount V9FS mount option to specify protocol version
This patch adds a new mount option to specify protocol version.
With this option it is possible to use "-o version=" switch to
specify 9P protocol version to use. Valid options for version
are:
9p2000
9p2000.u
9p2010.LSigned-off-by: Sripathi Kodi
Signed-off-by: Eric Van Hensbergen -
With this patch we have
# mount -t 9p -o trans=virtio virtio2 /mnt/
# mount -t 9p -o trans=virtio virtio2 /mnt/
mount: virtio2 already mounted or /mnt/ busy
mount: according to mtab, virtio2 is already mounted on /mnt
# mount -t 9p -o trans=virtio virtio3 /mnt/ -o debug=0xfff
mount: special device virtio3 does not existSigned-off-by: Aneesh Kumar K.V
Signed-off-by: Eric Van Hensbergen -
Use a list to track the channel instead of statically
allocated arraySigned-off-by: Aneesh Kumar K.V
Signed-off-by: Eric Van Hensbergen -
This is needed for supporting multiple mount points.
We can find out the device names to be used with mount by checking
/sys/devices/virtio-pci/virtio*/device file
if the device file have value 9 then the specific virtio device can
be used for mounting.ex:
#cat /sys/devices/virtio-pci/virtio1/device
9now we can mount using
# mount -t 9p -o trans=virtio virtio1 /mnt/Signed-off-by: Aneesh Kumar K.V
Signed-off-by: Eric Van Hensbergen
05 Mar, 2010
2 commits
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Resolve merge conflict in fs/xfs/linux-2.6/xfs_export.c.
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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (52 commits)
init: Open /dev/console from rootfs
mqueue: fix typo "failues" -> "failures"
mqueue: only set error codes if they are really necessary
mqueue: simplify do_open() error handling
mqueue: apply mathematics distributivity on mq_bytes calculation
mqueue: remove unneeded info->messages initialization
mqueue: fix mq_open() file descriptor leak on user-space processes
fix race in d_splice_alias()
set S_DEAD on unlink() and non-directory rename() victims
vfs: add NOFOLLOW flag to umount(2)
get rid of ->mnt_parent in tomoyo/realpath
hppfs can use existing proc_mnt, no need for do_kern_mount() in there
Mirror MS_KERNMOUNT in ->mnt_flags
get rid of useless vfsmount_lock use in put_mnt_ns()
Take vfsmount_lock to fs/internal.h
get rid of insanity with namespace roots in tomoyo
take check for new events in namespace (guts of mounts_poll()) to namespace.c
Don't mess with generic_permission() under ->d_lock in hpfs
sanitize const/signedness for udf
nilfs: sanitize const/signedness in dealing with ->d_name.name
...Fix up fairly trivial (famous last words...) conflicts in
drivers/infiniband/core/uverbs_main.c and security/tomoyo/realpath.c
04 Mar, 2010
1 commit
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kill_litter_super() from ->kill_sb() will take care of the junk
03 Mar, 2010
2 commits
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We should consistently treat uid's as unsigned--it's confusing when
the display of uid's in the cache contents isn't consistent with their
representation in upcalls.Signed-off-by: J. Bruce Fields
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This can, for instance, happen if the user specifies a link local IPv6
address.Signed-off-by: Trond Myklebust
Cc: stable@kernel.org
02 Mar, 2010
1 commit
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Fix the following build error when IGMP_SNOOPING is not enabled.
In file included from net/bridge/br.c:24:
net/bridge/br_private.h: In function 'br_multicast_is_router':
net/bridge/br_private.h:361: error: 'struct net_bridge' has no member named 'multicast_router'
net/bridge/br_private.h:362: error: 'struct net_bridge' has no member named 'multicast_router'
net/bridge/br_private.h:363: error: 'struct net_bridge' has no member named 'multicast_router_timer'Signed-off-by: Sridhar Samudrala
Acked-by: Randy Dunlap
Acked-by: Herbert Xu
Signed-off-by: David S. Miller
01 Mar, 2010
6 commits
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One the changes in commit d7979ae4a "svc: Move close processing to a
single place" is:err_delete:
- svc_delete_socket(svsk);
+ set_bit(SK_CLOSE, &svsk->sk_flags);
return -EAGAIN;This is insufficient. The recvfrom methods must always call
svc_xprt_received on completion so that the socket gets re-queued if
there is any more work to do. This particular path did not make that
call because it actually destroyed the svsk, making requeue pointless.
When the svc_delete_socket was change to just set a bit, we should have
added a call to svc_xprt_received,This is the problem that b0401d7253 attempted to fix, incorrectly.
Signed-off-by: J. Bruce Fields
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Conflicts:
drivers/firmware/iscsi_ibft.c -
We use scm_send and scm_recv on both unix domain and
netlink sockets, but only unix domain sockets support
everything required for file descriptor passing,
so error if someone attempts to pass file descriptors
over netlink sockets.Cc: stable@kernel.org
Signed-off-by: Eric W. Biederman
Signed-off-by: David S. Miller -
This reverts commit b0401d725334a94d57335790b8ac2404144748ee, which
moved svc_delete_xprt() outside of XPT_BUSY, and allowed it to be called
after svc_xpt_recived(), removing its last reference and destroying it
after it had already been queued for future processing.Signed-off-by: J. Bruce Fields
-
This reverts commit b292cf9ce70d221c3f04ff62db5ab13d9a249ca8. The
commit that it attempted to patch up,
b0401d725334a94d57335790b8ac2404144748ee, was fundamentally wrong, and
will also be reverted.Signed-off-by: J. Bruce Fields
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* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (44 commits)
rcu: Fix accelerated GPs for last non-dynticked CPU
rcu: Make non-RCU_PROVE_LOCKING rcu_read_lock_sched_held() understand boot
rcu: Fix accelerated grace periods for last non-dynticked CPU
rcu: Export rcu_scheduler_active
rcu: Make rcu_read_lock_sched_held() take boot time into account
rcu: Make lockdep_rcu_dereference() message less alarmist
sched, cgroups: Fix module export
rcu: Add RCU_CPU_STALL_VERBOSE to dump detailed per-task information
rcu: Fix rcutorture mod_timer argument to delay one jiffy
rcu: Fix deadlock in TREE_PREEMPT_RCU CPU stall detection
rcu: Convert to raw_spinlocks
rcu: Stop overflowing signed integers
rcu: Use canonical URL for Mathieu's dissertation
rcu: Accelerate grace period if last non-dynticked CPU
rcu: Fix citation of Mathieu's dissertation
rcu: Documentation update for CONFIG_PROVE_RCU
security: Apply lockdep-based checking to rcu_dereference() uses
idr: Apply lockdep-based diagnostics to rcu_dereference() uses
radix-tree: Disable RCU lockdep checking in radix tree
vfs: Abstract rcu_dereference_check for files-fdtable use
...
28 Feb, 2010
16 commits
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NETIF_F_NTUPLE flag setting introduced a bug: non-ntuple flags
like LRO may be successfully set, before ioctl(2) returns failure
to userspace.The set-flags operation should be all-or-none, rather than leaving
things in an inconsistent state prior to reporting failure to
userspace.Signed-off-by: Jeff Garzik
Signed-off-by: David S. Miller -
The Inode field in /proc/net/{tcp,udp,packet,raw,...} is useful to know the types of
file descriptors associated to a process. Actually lsof utility uses the field.
Unfortunately, unlike /proc/net/{tcp,udp,packet,raw,...}, /proc/net/netlink doesn't have the field.
This patch adds the field to /proc/net/netlink.Signed-off-by: Masatake YAMATO
Acked-by: Eric Dumazet
Signed-off-by: David S. Miller -
Signed-off-by: David S. Miller
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This patch allows the user to the IGMP parameters related to the
snooping function of the bridge. This includes various time
values and retransmission limits.Signed-off-by: Herbert Xu
Signed-off-by: David S. Miller -
This patch allows the user to control the hash elasticity/max
parameters. The elasticity setting does not take effect until
the next new multicast group is added. At which point it is
checked and if after rehashing it still can't be satisfied then
snooping will be disabled.The max setting on the other hand takes effect immediately. It
must be a power of two and cannot be set to a value less than the
current number of multicast group entries. This is the only way
to shrink the multicast hash.Signed-off-by: Herbert Xu
Signed-off-by: David S. Miller -
This patch allows the user to disable IGMP snooping completely
through a sysfs toggle. It also allows the user to reenable
snooping when it has been automatically disabled due to hash
collisions. If the collisions have not been resolved however
the system will refuse to reenable snooping.Signed-off-by: Herbert Xu
Signed-off-by: David S. Miller -
This patch allows the user to forcibly enable/disable ports as
having multicast routers attached. A port with a multicast router
will receive all multicast traffic.The value 0 disables it completely. The default is 1 which lets
the system automatically detect the presence of routers (currently
this is limited to picking up queries), and 2 means that the port
will always receive all multicast traffic.Signed-off-by: Herbert Xu
Signed-off-by: David S. Miller -
This patch finally hooks up the multicast snooping module to the
data path. In particular, all multicast packets passing through
the bridge are fed into the module and switched by it.Signed-off-by: Herbert Xu
Signed-off-by: David S. Miller -
This patch hooks up the bridge start/stop and add/delete/disable
port functions to the new multicast module.Signed-off-by: Herbert Xu
Signed-off-by: David S. Miller -
This patch adds code to perform selective multicast forwarding.
We forward multicast traffic to a set of ports plus all multicast
router ports. In order to avoid duplications among these two
sets of ports, we order all ports by the numeric value of their
pointers. The two lists are then walked in lock-step to eliminate
duplicates.Signed-off-by: Herbert Xu
Signed-off-by: David S. Miller -
This patch adds the core functionality of IGMP snooping support
without actually hooking it up. So this patch should be a no-op
as far as the bridge's external behaviour is concerned.All the new code and data is controlled by the Kconfig option
BRIDGE_IGMP_SNOOPING. A run-time toggle is also available.The multicast switching is done using an hash table that is
lockless on the read-side through RCU. On the write-side the
new multicast_lock is used for all operations. The hash table
supports dynamic growth/rehashing.The hash table will be rehashed if any chain length exceeds a
preset limit. If rehashing does not reduce the maximum chain
length then snooping will be disabled.These features may be added in future (in no particular order):
* IGMPv3 source support
* Non-querier router detection
* IPv6Signed-off-by: Herbert Xu
Signed-off-by: David S. Miller -
This patch moves the main loop body in br_flood into the function
may_deliver. The code that clones an skb and delivers it is moved
into the deliver_clone function.This allows this to be reused by the future multicast forward
function.Signed-off-by: Herbert Xu
Signed-off-by: David S. Miller -
this patch makes BR_INPUT_SKB_CB available on the xmit path so
that we could avoid passing the br pointer around for the purpose
of collecting device statistics.Signed-off-by: Herbert Xu
Signed-off-by: David S. Miller -
When the packet is delivered to the local bridge device we may
end up cloning it unnecessarily if no bridge port can receive
the packet in br_flood.This patch avoids this by moving the skb_clone into br_flood.
Signed-off-by: Herbert Xu
Signed-off-by: David S. Miller -
This patch allows tail-call on the call to br_pass_frame_up
in br_handle_frame_finish. This is now possible because of the
previous patch to call br_pass_frame_up last.Signed-off-by: Herbert Xu
Signed-off-by: David S. Miller
