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* net: listening_hash get a spinlock per bucketEric Dumazet2008-11-206-119/+79
| | | | | | | | | | | | | This patch prepares RCU migration of listening_hash table for TCP/DCCP protocols. listening_hash table being small (32 slots per protocol), we add a spinlock for each slot, instead of a single rwlock for whole table. This should reduce hold time of readers, and writers concurrency. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* acenic: convert to net_device_opsStephen Hemminger2008-11-201-8/+12
| | | | | | | Convert this driver to network device ops. Compile tested only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* niu: convert to net_device_opsStephen Hemminger2008-11-201-8/+13
| | | | | | | Convert this driver to network device ops. Compile tested only (give me hw!) Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* forcedeth: convert to net_device_opsStephen Hemminger2008-11-201-12/+17
| | | | | | | Convert this driver to network device ops. Compile tested only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* tg3: convert to net_device_opsStephen Hemminger2008-11-201-12/+19
| | | | | | | Convert this driver to network device ops. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ixgb: convert to net_device_opsStephen Hemminger2008-11-202-27/+36
| | | | | | | Convert this driver to network device ops. Compile tested only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* enic: convert to net_device_opsStephen Hemminger2008-11-201-12/+17
| | | | | | | Convert this driver to network device ops. Compile tested only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ppp: convert to net_device_opsStephen Hemminger2008-11-201-1/+5
| | | | | | | Convert this driver to network device ops. Compile tested only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* e100: convert to net_device_opsStephen Hemminger2008-11-201-11/+16
| | | | | | | Convert to new network device ops interface. Compile tested only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* igb: convert to net_device_opsStephen Hemminger2008-11-201-14/+19
| | | | | | | Convert to new network device ops interface. Compile tested only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* via-velocity: convert to net_device_opsStephen Hemminger2008-11-201-10/+14
| | | | | | | Convert this driver to network device ops. Compile tested only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* e1000: convert to net_device_opsStephen Hemminger2008-11-201-14/+21
| | | | | | | Convert to new network device ops interface. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* cxgb2: convert to net_device_opsStephen Hemminger2008-11-201-11/+19
| | | | | | | Convert this driver to network device ops. Compile teseted only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* cxgb3: convert to net_device_opsStephen Hemminger2008-11-201-13/+16
| | | | | | | Convert this driver to network device ops. Compile tested only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* atlx: convert to net_device_opsStephen Hemminger2008-11-202-28/+33
| | | | | | | Convert this driver to network device ops. Compile tested only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* atl1e: convert to net_device_opsStephen Hemminger2008-11-201-13/+19
| | | | | | | Convert this driver to network device ops. Compile tested only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* tun: convert to net_device_opsStephen Hemminger2008-11-201-5/+20
| | | | | | | | Convert the TUN/TAP tunnel driver to net_device_ops. Split the ops in two, and retain compatability. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* 8139: convert to net_device_opsStephen Hemminger2008-11-202-24/+36
| | | | | | | Convert to new network device ops interface. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* r8169: convert to net_device_opsFrancois Romieu2008-11-201-16/+32
| | | | | | Based upon a patch by Stephen Hemminger. Signed-off-by: David S. Miller <davem@davemloft.net>
* skge: convert to net_device_opsStephen Hemminger2008-11-201-18/+33
| | | | | | | Convert to new network device ops interface. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* sky2: convert to net_device_opsStephen Hemminger2008-11-201-13/+35
| | | | | | | | | Convert to new network device ops interface. Slight additional complexity here because the second port does not allow netpoll and therefore has different virtual function table. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* e1000e: convert to net_device_opsStephen Hemminger2008-11-201-14/+20
| | | | | | Convert e1000e to network device ops. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
* bonding: convert to net_device_opsStephen Hemminger2008-11-203-66/+56
| | | | | | | | | | | Convert to net_device_ops table. Note: for some operations move error checking into generic networking layer (rather than looking at pointers in bonding). A couple of gratituous style cleanups to get rid of extra {} Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: convert to net_device_opsStephen Hemminger2008-11-202-20/+28
| | | | | | | Convert vlan devices and function pointers to net_device_ops. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ip: convert to net_device_ops for ioctlStephen Hemminger2008-11-202-12/+26
| | | | | | | Convert to net_device_ops function table pointer for ioctl. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* macvlan: convert to net_device_opsStephen Hemminger2008-11-201-7/+12
| | | | | | | Convert to net_device_ops function table. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* veth: convert to net_device_opsStephen Hemminger2008-11-201-4/+8
| | | | | | | Convert to net_device_ops function table. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bridge: convert to net_device_opsStephen Hemminger2008-11-201-7/+11
| | | | | | | Convert to net_device_ops function table. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ifb: convert to net_device_opsStephen Hemminger2008-11-201-3/+8
| | | | | | | Convert to new network device ops interface. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netdev: convert loopback to net_device_opsStephen Hemminger2008-11-201-4/+8
| | | | | | | First device to convert over is the loopback device. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netdev: expose ethernet address primitivesStephen Hemminger2008-11-203-7/+14
| | | | | | | | When ethernet devices are converted, the function pointer setup by eth_setup() need to be done during intialization. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netdev: introduce dev_get_stats()Stephen Hemminger2008-11-208-18/+33
| | | | | | | | | | | | In order for the network device ops get_stats call to be immutable, the handling of the default internal network device stats block has to be changed. Add a new helper function which replaces the old use of internal_get_stats. Note: change return code to make it clear that the caller should not go changing the returned statistics. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netdev: network device operations infrastructureStephen Hemminger2008-11-206-105/+259
| | | | | | | | | | | | | | | | | | | | | | | | This patch changes the network device internal API to move adminstrative operations out of the network device structure and into a separate structure. This patch involves some hackery to maintain compatablity between the new and old model, so all 300+ drivers don't have to be changed at once. For drivers that aren't converted yet, the netdevice_ops virt function list still resides in the net_device structure. For old protocols, the new net_device_ops are copied out to the old net_device pointers. After the transistion is completed the nag message can be changed to an WARN_ON, and the compatiablity code can be made configurable. Some function pointers aren't moved: * destructor can't be in net_device_ops because it may need to be referenced after the module is unloaded. * neighbor setup is manipulated in a couple of places that need special consideration * hard_start_xmit is in the fast path for transmit. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: af_unix should use KERN_INFO instead of KERN_DEBUGEric Dumazet2008-11-201-1/+1
| | | | | | | As spotted by Joe Perches, we should use KERN_INFO in unix_sock_destructor() Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* drivers/s390/ - csum_partial - remove unnecessary castsJoe Perches2008-11-201-4/+4
| | | | | | | | The first argument to csum_partial is const void * casts to char/u8 * are not necessary Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* include/net net/ - csum_partial - remove unnecessary castsJoe Perches2008-11-2010-19/+19
| | | | | | | | The first argument to csum_partial is const void * casts to char/u8 * are not necessary Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: inet_diag_handler structs can be constEric Dumazet2008-11-202-2/+2
| | | | | Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: make /proc/net/protocols namespace awareEric Dumazet2008-11-201-5/+24
| | | | | | | | | | | | | Converting /proc/net/protocols to be namespace aware is quite easy and permits us to use sock_prot_inuse_get(). This provides seperate counters for each protocol. For example we can really count TCPv6 sockets and TCPv4 sockets, while previously, we had the same value, and this value was not namespace aware. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: af_packet should update its inuse counterEric Dumazet2008-11-191-0/+2
| | | | | | | | | | | This patch is a preparation to namespace conversion of /proc/net/protocols In order to have relevant information for PACKET protocols, we should use sock_prot_inuse_add() to update a (percpu and pernamespace) counter of inuse sockets. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'master' of ↵David S. Miller2008-11-19387-2523/+11924
|\ | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/isdn/i4l/isdn_net.c fs/cifs/connect.c
| * Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds2008-11-187-25/+42
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://git.kernel.dk/linux-2.6-block: block: hold extra reference to bio in blk_rq_map_user_iov() relay: fix cpu offline problem Release old elevator on change elevator block: fix boot failure with CONFIG_DEBUG_BLOCK_EXT_DEVT=y and nash block/md: fix md autodetection block: make add_partition() return pointer to hd_struct block: fix add_partition() error path
| | * block: hold extra reference to bio in blk_rq_map_user_iov()Jens Axboe2008-11-181-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If the size passed in is OK but we end up mapping too many segments, we call the unmap path directly like from IO completion. But from IO completion we have an extra reference to the bio, so this error case goes OOPS when it attempts to free and already free bio. Fix it by getting an extra reference to the bio before calling the unmap failure case. Reported-by: Petr Vandrovec <vandrove@vc.cvut.cz> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| | * relay: fix cpu offline problemLai Jiangshan2008-11-181-5/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | relay_open() will close allocated buffers when failed. but if cpu offlined, some buffer will not be closed. this patch fixed it. and did cleanup for relay_reset() too. Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| | * Release old elevator on change elevatorZhaolei2008-11-181-1/+7
| | | | | | | | | | | | | | | | | | | | | We should release old elevator when change to use a new one. Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| | * block: fix boot failure with CONFIG_DEBUG_BLOCK_EXT_DEVT=y and nashZhang, Yanmin2008-11-181-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We run into system boot failure with kernel 2.6.28-rc. We found it on a couple of machines, including T61 notebook, nehalem machine, and another HPC NX6325 notebook. All the machines use FedoraCore 8 or FedoraCore 9. With kernel prior to 2.6.28-rc, system boot doesn't fail. I debug it and locate the root cause. Pls. see http://bugzilla.kernel.org/show_bug.cgi?id=11899 https://bugzilla.redhat.com/show_bug.cgi?id=471517 As a matter of fact, there are 2 bugs. 1)root=/dev/sda1, system boot randomly fails. Mostly, boot for 5 times and fails once. nash has a bug. Some of its functions misuse return value 0. Sometimes, 0 means timeout and no uevent available. Sometimes, 0 means nash gets an uevent, but the uevent isn't block-related (for exmaple, usb). If by coincidence, kernel tells nash that uevents are available, but kernel also set timeout, nash might stops collecting other uevents in queue if current uevent isn't block-related. I work out a patch for nash to fix it. http://bugzilla.kernel.org/attachment.cgi?id=18858 2) root=LABEL=/, system always can't boot. initrd init reports switchroot fails. Here is an executation branch of nash when booting: (1) nash read /sys/block/sda/dev; Assume major is 8 (on my desktop) (2) nash query /proc/devices with the major number; It found line "8 sd"; (3) nash use 'sd' to search its own probe table to find device (DISK) type for the device and add it to its own list; (4) Later on, it probes all devices in its list to get filesystem labels; scsi register "8 sd" always. When major is 259, nash fails to find the device(DISK) type. I enables CONFIG_DEBUG_BLOCK_EXT_DEVT=y when compiling kernel, so 259 is picked up for device /dev/sda1, which causes nash to fail to find device (DISK) type. To fixing issue 2), I create a patch for nash and another patch for kernel. http://bugzilla.kernel.org/attachment.cgi?id=18859 http://bugzilla.kernel.org/attachment.cgi?id=18837 Below is the patch for kernel 2.6.28-rc4. It registers blkext, a new block device in proc/devices. With 2 patches on nash and 1 patch on kernel, I boot my machines for dozens of times without failure. Signed-off-by Zhang Yanmin <yanmin.zhang@linux.intel.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| | * block/md: fix md autodetectionTejun Heo2008-11-181-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Block ext devt conversion missed md_autodetect_dev() call in rescan_partitions() leaving md autodetect unable to see partitions. Fix it. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Neil Brown <neilb@suse.de> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| | * block: make add_partition() return pointer to hd_structTejun Heo2008-11-183-17/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make add_partition() return pointer to the new hd_struct on success and ERR_PTR() value on failure. This change will be used to fix md autodetection bug. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Neil Brown <neilb@suse.de> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| | * block: fix add_partition() error pathTejun Heo2008-11-181-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | Partition stats structure was not freed on devt allocation failure path. Fix it. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| * | suspend: use WARN not WARN_ON to print the messageArjan van de Ven2008-11-181-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | By using WARN(), kerneloops.org can collect which component is causing the delay and make statistics about that. suspend_test_finish() is currently the number 2 item but unless we can collect who's causing it we're not going to be able to fix the hot topic ones.. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | Merge branch 'tracing-fixes-for-linus' of ↵Linus Torvalds2008-11-184-19/+135
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: kernel/profile.c: fix section mismatch warning function tracing: fix wrong pos computing when read buffer has been fulfilled tracing: fix mmiotrace resizing crash ring-buffer: no preempt for sched_clock() ring-buffer: buffer record on/off switch
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