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* bonding: allow bond in mode balance-alb to work properly in bridge -try4.3Jiri Pirko2009-05-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | [PATCH net-next] bonding: allow bond in mode balance-alb to work properly in bridge -try4.3 (updated) changes v4.2 -> v4.3 - memcpy the address always, not just in case it differs from master->dev_addr - compare_ether_addr_64bits() is not used so there is no direct need to make new header file (I think it would be good to have bond stuff in separate file anyway). changes v4.1 -> v4.2 - use skb->pkt_type == PACKET_HOST compare rather then comparing skb dest addr against skb->dev->dev_addr The problem is described in following bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=487763 Basically here's what's going on. In every mode, bonding interface uses the same mac address for all enslaved devices (except fail_over_mac). Only balance-alb will simultaneously use multiple MAC addresses across different slaves. When you put this kind of bond device into a bridge it will only add one of mac adresses into a hash list of mac addresses, say X. This mac address is marked as local. But this bonding interface also has mac address Y. Now then packet arrives with destination address Y, this address is not marked as local and the packed looks like it needs to be forwarded. This packet is then lost which is wrong. Notice that interfaces can be added and removed from bond while it is in bridge. *** When the multiple addresses for bridge port approach failed to solve this issue due to STP I started to think other way to solve this. I returned to previous solution but tweaked one. This patch solves the situation in the bonding without touching bridge code. For every incoming frame to bonding the destination address is compared to current address of the slave device from which tha packet came. If these two match destination address is replaced by mac address of the master. This address is known by bridge so it is delivered properly. Note that the comparsion is not made directly, it's used skb->pkt_type == PACKET_HOST instead. This is "set" previously in eth_type_trans(). I experimentally tried that this works as good as searching through the slave list (v4 of this patch). Jirka Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'linux-2.6.31.y' of ↵David S. Miller2009-05-29
|\ | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/inaky/wimax
| * wimax: a new API call was added, increment minor protocol version numberInaky Perez-Gonzalez2009-05-28
| | | | | | | | | | | | | | | | As the 'state_get' API call was added, we need to increase the minor protocol version number so applications that depend on the can check it's presence. Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
| * wimax: Add netlink interface to get device statePaulius Zaleckas2009-05-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | wimax connection manager / daemon has to know what is current state of the device. Previously it was only possible to get notification whet state has changed. Note: By mistake, the new generic netlink's number for WIMAX_GNL_OP_STATE_GET was declared inserting into the existing list of API calls, not appending; thus, it'd break existing API. Fixed by Inaky Perez-Gonzalez <inaky@linux.intel.com> by moving to the tail, where we add to the interface, not modify the interface. Thanks to Stephen Hemminger <shemminger@vyatta.com> for catching this. Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
* | net: correct a comment for the final #endifJiri Pirko2009-05-27
| | | | | | | | | | Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: ALIGN/PTR_ALIGN cleanup in alloc_netdev_mq()/netdev_priv()Eric Dumazet2009-05-27
| | | | | | | | | | | | | | | | | | Use ALIGN() and PTR_ALIGN() macros instead of handcoding them. Get rid of NETDEV_ALIGN_CONST ugly define Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | gro: Avoid unnecessary comparison after skb_gro_headerHerbert Xu2009-05-27
| | | | | | | | | | | | | | | | | | | | For the overwhelming majority of cases, skb_gro_header's return value cannot be NULL. Yet we must check it because of its current form. This patch splits it up into multiple functions in order to avoid this. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* | gro: Optimise length comparison in skb_gro_headerHerbert Xu2009-05-27
| | | | | | | | | | | | | | | | | | | | By caching frag0_len, we can avoid checking both frag0 and the length separately in skb_gro_header. This helps as skb_gro_header is called four times per packet which amounts to a few million times at 10Gb/s. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* | gro: Only use skb_gro_header for completely non-linear packetsHerbert Xu2009-05-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently skb_gro_header is used for packets which put the hardware header in skb->data with the rest in frags. Since the drivers that need this optimisation all provide completely non-linear packets, we can gain extra optimisations by only performing the frag0 optimisation for completely non-linear packets. In particular, we can simply test frag0 (instead of skb_headlen) to see whether the optimisation is in force. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* | gro: Inline skb_gro_header and cache frag0 virtual addressHerbert Xu2009-05-27
| | | | | | | | | | | | | | | | | | | | | | | | | | The function skb_gro_header is called four times per packet which quickly adds up at 10Gb/s. This patch inlines it to allow better optimisations. Some architectures perform multiplication for page_address, which is done by each skb_gro_header invocation. This patch caches that value in skb->cb to avoid the unnecessary multiplications. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* | phy: Eliminate references to BUS_ID_SIZE.David S. Miller2009-05-27
| | | | | | | | | | | | | | | | | | | | | | Just use the constant 20 to keep things working. If someone is so motivated, this can be converted over to dynamic strings. I tried and it's a lot of work. But for now this is good enough. Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: txq_trans_update() helperEric Dumazet2009-05-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We would like to get rid of netdev->trans_start = jiffies; that about all net drivers have to use in their start_xmit() function, and use txq->trans_start instead. This can be done generically in core network, as suggested by David. Some devices, (particularly loopback) dont need trans_start update, because they dont have transmit watchdog. We could add a new device flag, or rely on fact that txq->tran_start can be updated is txq->xmit_lock_owner is different than -1. Use a helper function to hide our choice. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: remove COMPAT_NET_DEV_OPSAlexander Beregalov2009-05-25
| | | | | | | | | | | | | | | | All drivers are already converted to new net_device_ops API and nobody uses old API anymore. Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | mISDN: Added PCI ID for new Junghanns.net Single E1 cards.Andreas Eversberg2009-05-25
| | | | | | | | | | | | | | | | | | The new ID is validated by Cologne Chip. LEDs control is also supported. Signed-off-by: Andreas Eversberg <andreas@eversberg.eu> Signed-off-by: Karsten Keil <keil@b1-systems.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* | mISDN: Cleanup debug messagesKarsten Keil2009-05-25
| | | | | | | | | | | | | | | | This patch make debug printk's KERN_DEBUG and also fix some codestyle issues. Signed-off-by: Karsten Keil <keil@b1-systems.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* | mISDN: Add PCI ID for Junghanns 8S cardAndreas Eversberg2009-05-25
| | | | | | | | | | | | | | | | new id for HFC-8S Signed-off-by: Andreas Eversberg <andreas@eversberg.eu> Signed-off-by: Karsten Keil <keil@b1-systems.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* | mISDN: Add XHFC support for embedded Speech-Design board to hfcmultiKarsten Keil2009-05-25
| | | | | | | | | | | | | | | | | | | | New version without emulating arch specific stuff for the other architectures, the special IO and init functions for the 8xx microcontroller are in a separate include file. Signed-off-by: Andreas Eversberg <andreas@eversberg.eu> Signed-off-by: Karsten Keil <keil@b1-systems.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* | mISDN: Added layer-1-hold featureAndreas Eversberg2009-05-25
| | | | | | | | | | | | | | | | | | Add IMHOLD_L1 ioctl. The feature will be disabled on closing. Signed-off-by: Andreas Eversberg <andreas@eversberg.eu> Signed-off-by: Karsten Keil <keil@b1-systems.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* | mISDN: Echo canceler now gets delay information from hardwareAndreas Eversberg2009-05-25
| | | | | | | | | | | | | | | | | | Added tx-fifo information for calculation of current delay to sync tx and rx streams for echo canceler. Signed-off-by: Andreas Eversberg <andreas@eversberg.eu> Signed-off-by: Karsten Keil <keil@b1-systems.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* | mISDN: Add watchdog functionality to hfcmulti driverAndreas Eversberg2009-05-25
| | | | | | | | | | | | | | | | | | This patch was made by Titus Moldovan and provides IOCTL functions for enabling and disabling the controller's built in watchdog. The use is optional. Signed-off-by: Andreas Eversberg <andreas@eversberg.eu> Signed-off-by: Karsten Keil <keil@b1-systems.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge branch 'master' of ↵David S. Miller2009-05-25
|\ \ | |/ |/| | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
| * wireless: move some utility functions from mac80211 to cfg80211Zhu Yi2009-05-22
| | | | | | | | | | | | | | | | | | | | | | The patch moves some utility functions from mac80211 to cfg80211. Because these functions are doing generic 802.11 operations so they are not mac80211 specific. The moving allows some fullmac drivers to be also benefit from these utility functions. Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: Samuel Ortiz <samuel.ortiz@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | dropmon: add ability to detect when hardware dropsrxpacketsNeil Horman2009-05-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch to add the ability to detect drops in hardware interfaces via dropwatch. Adds a tracepoint to net_rx_action to signal everytime a napi instance is polled. The dropmon code then periodically checks to see if the rx_frames counter has changed, and if so, adds a drop notification to the netlink protocol, using the reserved all-0's vector to indicate the drop location was in hardware, rather than somewhere in the code. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> include/linux/net_dropmon.h | 8 ++ include/trace/napi.h | 11 +++ net/core/dev.c | 5 + net/core/drop_monitor.c | 124 ++++++++++++++++++++++++++++++++++++++++++-- net/core/net-traces.c | 4 + net/core/netpoll.c | 2 6 files changed, 149 insertions(+), 5 deletions(-) Signed-off-by: David S. Miller <davem@davemloft.net>
* | af_packet: Teach to listen for multiple unicast addresses.Eric W. Biederman2009-05-21
|/ | | | | | | | | | | | | | | | The the PACKET_ADD_MEMBERSHIP and the PACKET_DROP_MEMBERSHIP setsockopt calls for af_packet already has all of the infrastructure needed to subscribe to multiple mac addresses. All that is missing is a flag to say that the address we want to listen on is a unicast address. So introduce PACKET_MR_UNICAST and wire it up to dev_unicast_add and dev_unicast_delete. Additionally I noticed that errors from dev_mc_add were not propagated from packet_dev_mc so fix that. Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* sit: stateless autoconf for isatapSascha Hlusiak2009-05-19
| | | | | | | | | | | | | | be sent periodically. The rs_delay can be speficied when adding the PRL entry and defaults to 15 minutes. The RS is sent from every link local adress that's assigned to the tunnel interface. It's directed to the (guessed) linklocal address of the router and is sent through the tunnel. Better: send to ff02::2 encapsuled in unicast directed to router-v4. Signed-off-by: Sascha Hlusiak <contact@saschahlusiak.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: release dst entry in dev_hard_start_xmit()Eric Dumazet2009-05-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | One point of contention in high network loads is the dst_release() performed when a transmited skb is freed. This is because NIC tx completion calls dev_kree_skb() long after original call to dev_queue_xmit(skb). CPU cache is cold and the atomic op in dst_release() stalls. On SMP, this is quite visible if one CPU is 100% handling softirqs for a network device, since dst_clone() is done by other cpus, involving cache line ping pongs. It seems right place to release dst is in dev_hard_start_xmit(), for most devices but ones that are virtual, and some exceptions. David Miller suggested to define a new device flag, set in alloc_netdev_mq() (so that most devices set it at init time), and carefuly unset in devices which dont want a NULL skb->dst in their ndo_start_xmit(). List of devices that must clear this flag is : - loopback device, because it calls netif_rx() and quoting Patrick : "ip_route_input() doesn't accept loopback addresses, so loopback packets already need to have a dst_entry attached." - appletalk/ipddp.c : needs skb->dst in its xmit function - And all devices that call again dev_queue_xmit() from their xmit function (as some classifiers need skb->dst) : bonding, vlan, macvlan, eql, ifb, hdlc_fr Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* syscall: Implement a convinience function restart_syscallEric W. Biederman2009-05-19
| | | | | | | | | | | Currently when we have a signal pending we have the functionality to restart that the current system call. There are other cases such as nasty lock ordering issues where it makes sense to have a simple fix that uses try lock and restarts the system call. Buying time to figure out how to rework the locking strategy. Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: TX_RING and packet mmapJohann Baudy2009-05-19
| | | | | | | | | | | | | | New packet socket feature that makes packet socket more efficient for transmission. - It reduces number of system call through a PACKET_TX_RING mechanism, based on PACKET_RX_RING (Circular buffer allocated in kernel space which is mmapped from user space). - It minimizes CPU copy using fragmented SKB (almost zero copy). Signed-off-by: Johann Baudy <johann.baudy@gnu-log.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'master' of ↵David S. Miller2009-05-19
|\ | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/scsi/fcoe/fcoe.c
| * libata: Media rotation rate and form factor heuristicsMartin K. Petersen2009-05-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch provides new heuristics for parsing both the form factor and media rotation rate ATA IDENFITY words. The reported ATA version must be 7 or greater and the device must return values defined as valid in the standard. Only then are the characteristics reported to SCSI via the VPD B1 page. This seems like a reasonable compromise to me considering that we have been shipping several kernel releases that key off the rotation rate bit without any version checking whatsoever. With no complaints so far. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
| * Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds2009-05-15
| |\ | | | | | | | | | | | | | | | | | | * 'for-linus' of git://git.kernel.dk/linux-2.6-block: Revert "mm: add /proc controls for pdflush threads" viocd: needs to depend on BLOCK block: fix the bio_vec array index out-of-bounds test
| | * Revert "mm: add /proc controls for pdflush threads"Jens Axboe2009-05-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit fafd688e4c0c34da0f3de909881117d374e4c7af. Work is progressing to switch away from pdflush as the process backing for flushing out dirty data. So it seems pointless to add more knobs to control pdflush threads. The original author of the patch did not have any specific use cases for adding the knobs, so we can easily revert this before 2.6.30 to avoid having to maintain this API forever. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| * | Merge branch 'fixes' of ↵Linus Torvalds2009-05-12
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx: dma: fix ipu_idmac.c to not discard the last queued buffer ioatdma: fix "ioatdma frees DMA memory with wrong function" ipu_idmac: Use disable_irq_nosync() from within irq handlers. dmatest: fix max channels handling
| | * | ioatdma: fix "ioatdma frees DMA memory with wrong function"Maciej Sosnowski2009-05-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | as reported by Alexander Beregalov <a.beregalov@gmail.com> ioatdma 0000:00:08.0: DMA-API: device driver frees DMA memory with wrong function [device address=0x000000007f76f800] [size=2000 bytes] [map ped as single] [unmapped as page] The ioatdma driver was unmapping all regions (either allocated as page or single) using unmap_page. This patch lets dma driver recognize if unmap_single or unmap_page should be used. It introduces two new dma control flags: DMA_COMPL_SRC_UNMAP_SINGLE and DMA_COMPL_DEST_UNMAP_SINGLE. They should be set to indicate dma driver to do dma-unmapping as single (first one for the source, tha latter for the destination). If respective flag is not set, the driver assumes dma-unmapping as page. Signed-off-by: Maciej Sosnowski <maciej.sosnowski@intel.com> Reported-by: Alexander Beregalov <a.beregalov@gmail.com> Tested-by: Alexander Beregalov <a.beregalov@gmail.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
| * | | syscalls.h add the missing sys_pipe2 declarationArnd Bergmann2009-05-12
| | |/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | In order to build the generic syscall table, we need a declaration for every system call. sys_pipe2 was added without a proper declaration, so add this to syscalls.h now. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Ulrich Drepper <drepper@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6Linus Torvalds2009-05-10
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: Revert driver core: move platform_data into platform_device Revert driver core: fix passing platform_data Remove old PRINTK_DEBUG config item Doc/sysfs-rules: Swap the order of the words so the sentence makes more sense Driver core: platform: fix kernel-doc warnings
| | * | Revert driver core: move platform_data into platform_deviceGreg Kroah-Hartman2009-05-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 006f4571a15fae3a0575f2a0f9e9b63b3d1012f8: This patch moves platform_data from struct device into struct platform_device, based on the two ideas: 1. Now all platform_driver is registered by platform_driver_register, which makes probe()/release()/... of platform_driver passed parameter of platform_device *, so platform driver can get platform_data from platform_device; 2. Other kind of devices do not need to use platform_data, we can decrease size of device if moving it to platform_device. Taking into consideration of thousands of files to be fixed and they can't be finished in one night(maybe it will take a long time), so we keep platform_data in device to allow two kind of cases coexist until all platform devices pass its platfrom data from platform_device->platform_data. All patches to do this kind of conversion are welcome. As we don't really want to do it, it was a bad idea. Cc: David Brownell <david-b@pacbell.net> Cc: Ming Lei <tom.leiming@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | | Merge branch 'for-linus' of ↵Linus Torvalds2009-05-10
| |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (22 commits) Fix the race between capifs remount and node creation Fix races around the access to ->s_options switch ufs directories to ufs_sync_file() Switch open_exec() and sys_uselib() to do_open_filp() Make open_exec() and sys_uselib() use may_open(), instead of duplicating its parts Reduce path_lookup() abuses Make checkpatch.pl shut up on fs/inode.c NULL noise in fs/super.c:kill_bdev_super() romfs: cleanup romfs_fs.h ROMFS: romfs_dev_read() error ignored fs: dcache fix LRU ordering ocfs2: Use nd_set_link(). Fix deadlock in ipathfs ->get_sb() Fix a leak in failure exit in 9p ->get_sb() Convert obvious places to deactivate_locked_super() New helper: deactivate_locked_super() reiserfs: remove privroot hiding in lookup reiserfs: dont associate security.* with xattr files reiserfs: fixup xattr_root caching Always lookup priv_root on reiserfs mount and keep it ...
| | * | | Fix races around the access to ->s_optionsAl Viro2009-05-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Put generic_show_options read access to s_options under rcu_read_lock, split save_mount_options() into "we are setting it the first time" (uses in foo_fill_super()) and "we are relacing and freeing the old one", synchronize_rcu() before kfree() in the latter. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | | Switch open_exec() and sys_uselib() to do_open_filp()Al Viro2009-05-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ... and make path_lookup_open() static Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | | romfs: cleanup romfs_fs.hChristoph Hellwig2009-05-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There's no kernel-only content in it anymore, so move it to header-y and remove the superflous #ifdef __KERNEL__. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | | New helper: deactivate_locked_super()Al Viro2009-05-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Does equivalent of up_write(&s->s_umount); deactivate_super(s); However, it does not does not unlock it until it's all over. As the result, it's safe to use to dispose of new superblock on ->get_sb() failure exits - nobody will see the sucker until it's all over. Equivalent using up_write/deactivate_super is safe for that purpose if superblock is either safe to use or has NULL ->s_root when we unlock. Normally filesystems take the required precautions, but a) we do have bugs in that area in some of them. b) up_write/deactivate_super sequence is extremely common, so the helper makes sense anyway. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | | reiserfs: remove privroot hiding in lookupJeff Mahoney2009-05-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With Al Viro's patch to move privroot lookup to fs mount, there's no need to have special code to hide the privroot in reiserfs_lookup. I've also cleaned up the privroot hiding in reiserfs_readdir_dentry and removed the last user of reiserfs_xattrs(). Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | | reiserfs: fixup xattr_root cachingJeff Mahoney2009-05-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The xattr_root caching was broken from my previous patch set. It wouldn't cause corruption, but could cause decreased performance due to allocating a larger chunk of the journal (~ 27 blocks) than it would actually use. This patch loads the xattr root dentry at xattr initialization and creates it on-demand. Since we're using the cached dentry, there's no point in keeping lookup_or_create_dir around, so that's removed. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | | Always lookup priv_root on reiserfs mount and keep itAl Viro2009-05-09
| | |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | ... even if it's a negative dentry. That way we can set ->d_op on root before anyone could race with us. Simplify d_compare(), while we are at it. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2009-05-10
| |\ \ \ | | |/ / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (26 commits) bonding: fix panic if initialization fails IXP4xx: complete Ethernet netdev setup before calling register_netdev(). IXP4xx: use "ENODEV" instead of "ENOSYS" in module initialization. ipvs: Fix IPv4 FWMARK virtual services ipv4: Make INET_LRO a bool instead of tristate. net: remove stale reference to fastroute from Kconfig help text net: update skb_recycle_check() for hardware timestamping changes bnx2: Fix panic in bnx2_poll_work(). net-sched: fix bfifo default limit igb: resolve panic on shutdown when SR-IOV is enabled wimax: oops: wimax_dev_add() is the only one that can initialize the state wimax: fix oops if netlink fails to add attribute Bluetooth: Move dev_set_name() to a context that can sleep netfilter: ctnetlink: fix wrong message type in user updates netfilter: xt_cluster: fix use of cluster match with 32 nodes netfilter: ip6t_ipv6header: fix match on packets ending with NEXTHDR_NONE netfilter: add missing linux/types.h include to xt_LED.h mac80211: pid, fix memory corruption mac80211: minstrel, fix memory corruption cfg80211: fix comment on regulatory hint processing ...
| * | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds2009-05-08
| |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: (32 commits) [CIFS] Fix double list addition in cifs posix open code [CIFS] Allow raw ntlmssp code to be enabled with sec=ntlmssp [CIFS] Fix SMB uid in NTLMSSP authenticate request [CIFS] NTLMSSP reenabled after move from connect.c to sess.c [CIFS] Remove sparse warning [CIFS] remove checkpatch warning [CIFS] Fix final user of old string conversion code [CIFS] remove cifs_strfromUCS_le [CIFS] NTLMSSP support moving into new file, old dead code removed [CIFS] Fix endian conversion of vcnum field [CIFS] Remove trailing whitespace [CIFS] Remove sparse endian warnings [CIFS] Add remaining ntlmssp flags and standardize field names [CIFS] Fix build warning cifs: fix length handling in cifs_get_name_from_search_buf [CIFS] Remove unneeded QuerySymlink call and fix mapping for unmapped status [CIFS] rename cifs_strndup to cifs_strndup_from_ucs Added loop check when mounting DFS tree. Enable dfs submounts to handle remote referrals. [CIFS] Remove older session setup implementation ...
| | * \ \ Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6Steve French2009-04-30
| | |\ \ \
| | * | | | nls: add a nls_nullsize inlineJeff Layton2009-04-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It's possible for character sets to require a multi-byte null string terminator. Add a helper function that determines the size of the null terminator at runtime. Signed-off-by: Jeff Layton <jlayton@redhat.com> Acked-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
| * | | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2009-05-05
| |\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (30 commits) e1000: fix virtualization bug bonding: fix alb mode locking regression Bluetooth: Fix issue with sysfs handling for connections usbnet: CDC EEM support (v5) tcp: Fix tcp_prequeue() to get correct rto_min value ehea: fix invalid pointer access ne2k-pci: Do not register device until initialized. Subject: [PATCH] br2684: restore net_dev initialization net: Only store high 16 bits of kernel generated filter priorities virtio_net: Fix function name typo virtio_net: Cleanup command queue scatterlist usage bonding: correct the cleanup in bond_create() virtio: add missing include to virtio_net.h smsc95xx: add support for LAN9512 and LAN9514 smsc95xx: configure LED outputs netconsole: take care of NETDEV_UNREGISTER event xt_socket: checks for the state of nf_conntrack bonding: bond_slave_info_query() fix cxgb3: fixing gcc 4.4 compiler warning: suggest parentheses around operand of ‘!’ netfilter: use likely() in xt_info_rdlock_bh() ...
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