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* [SCSI] iscsi class, qla4xxx, iscsi_tcp: export local addressMike Christie2007-06-022-0/+10
| | | | | | | | | | This patch exports the local address for the session. For qla4xxx this is the ip of the hba's port. For software this is the src addr of the socket. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Cc: David C Somayajulu <david.somayajulu@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] qla4xxx: add iscsi_transport capps for fw capacilitiesMike Christie2007-06-021-0/+2
| | | | | | | | | | | | | | Userspace will want to know what the driver/FW/HW capabilites when it comes to some operations like if the hardware can do discovery or if it can store iscsi info like what target was used for boot. This patch adds some new caps so userspace can tell if the driver supports hardware/fw based sendtargets discovery and if the hardware has some flash which may be holding or can contain some iscsi target info . Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Cc: David C Somayajulu <david.somayajulu@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] libiscsi: make can_queue configurableMike Christie2007-06-023-5/+7
| | | | | | | | | | | | This patch allows us to set can_queue and cmds_per_lun from userspace when we create the session/host. From there we can set it on a per target basis. The patch fully converts iscsi_tcp, but only hooks up ib_iser for cmd_per_lun since it currently has a lots of preallocations based on can_queue. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Cc: Roland Dreier <rdreier@cisco.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] libiscsi: fix iscsi cmdsn allocationMike Christie2007-06-022-11/+3Star
| | | | | | | | | | | | | | | | | | | | | The cmdsn allocation and pdu transmit code can race, and we can end up sending a pdu with cmdsn 10 before a pdu with 5. The target will then fail the connection/session. This patch fixes the problem by delaying the cmdsn allocation until we are about to send the pdu. This also removes the xmitmutex. We were using the connection xmitmutex during error handling to handle races with mtask and ctask cleanup and completion. For ctasks we now have nice refcounting and for the mtask, if we hit the case where the mtask timesout and it is floating around somewhere in the driver, we end up dropping the session. And to handle session level cleanup, we use the xmit suspend bit along with scsi_flush_queue and the session lock to make sure that the xmit thread is not possibly transmitting a task while we are trying to kill it. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Cc: Roland Dreier <rdreier@cisco.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] iscsi class, iscsi_tcp, ib_iser: add sysfs chap fileMike Christie2007-06-012-0/+13
| | | | | | | | | | | | | | The attached patches add sysfs files for the chap settings to the iscsi transport class, iscsi_tcp and ib_iser. This is needed for software iscsi because there are times when iscsid can die and it will need to reread the values it was using. And it is needed by qla4xxx for basic management opertaions. This patch does not hook in qla4xxx yet, because I am not sure the mbx command to use. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Cc: Roland Dreier <rdreier@cisco.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] iscsi: Some fixes in preparation for bidirectional support - total_lengthMike Christie2007-06-011-11/+10Star
| | | | | | | | | | | | | - Remove shadow of request length from struct iscsi_cmd_task. - change all users to use scsi_cmnd->request_bufflen directly (With bidi we will use scsi-ml API to retrieve in/out length) Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: Benny Halevy <bhalevy@panasas.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Cc: Roland Dreier <rdreier@cisco.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] iscsi: Some fixes in preparation for bidirectional support - exp_datasnMike Christie2007-06-011-1/+0Star
| | | | | | | | | | | | | | | | This patch fixes handling of expected datasn/r2tsn as received from target. It is done according to: T10 rfc3720 section 3.2.2.3. Data Sequencing. . unify expected datasn/r2tsn into one counter . calculate than check expected datasn/r2tsn. On error print a message and fail the request. (TODO use iscsi retransmits) . remove the FIXME ;) . avoid zero length memset Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: Benny Halevy <bhalevy@panasas.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] iscsi class, qla4xxx, iscsi_tcp, ib_iser: export/set initiator nameMike Christie2007-06-012-0/+3
| | | | | | | | | | | | | | | For iscsi root boot, software iscsi needs to know what the BIOS/OF initiator used for the initiator name so this puts it in sysfs for userspace to be able to pick up. For hw iscsi, it is nice to see what the card is using. This patch adds the new param, and hooks in qla4xxx, iscsi_tcp, and ib_iser. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Cc: Roland Dreier <rdreier@cisco.com> Cc: David C Somayajulu <david.somayajulu@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] libiscsi, iscsi_tcp, ib_iser : add sw iscsi host get/set params helpersMike Christie2007-06-011-1/+12
| | | | | | | | | | | iscsid and udev need to key off the hw address being used so add some helpers for iser and iscsi tcp. Also convert them Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Cc: Roland Dreier <rdreier@cisco.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] iscsi class: add iscsi host set param eventMike Christie2007-06-012-0/+9
| | | | | | | | | The iscsi class uses the set_param event to set session and connection params. This patch adds a set_host_param so we can set host level values. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] iscsi_transport, qla4xxx: have class lookup host for driversMike Christie2007-06-011-1/+1
| | | | | | | | | | We are going to be adding more host level sysfs attrs and set_params, so this patch has them take a scsi_host instead of either a scsi_host or host no. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Cc: David C Somayajulu <david.somayajulu@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] iscsi_transport: export hw addressMike Christie2007-06-012-1/+12
| | | | | | | Add hw address sysfs file. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] introduce shost_priv helperChristoph Hellwig2007-05-311-0/+4
| | | | | | | | | | | | | | | Currently accessing the scsi host private data is rather messy because it comes as an unsigned long that always needs a cast first. This patch introduces a helper that does the cast called shost_priv. It's similar in spirit to netdev_priv for network drivers. This is the first patch introducing the macro, and the second patch in the series will convert esp and it's subdrivers as an example. Further conversion will wait until the helper is in the tree to make patch juggling easier. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] Merge up to linux-2.6 headJames Bottomley2007-05-31147-745/+27925
|\ | | | | | | | | | | | | | | | | | | | | Conflicts: drivers/scsi/jazz_esp.c Same changes made by both SCSI and SPARC trees: problem with UTF-8 conversion in the copyright. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * alpha: support new syscallsRichard Henderson2007-05-302-1/+49
| | | | | | | | | | | | | | Some of the new syscalls require supporting TIF_RESTORE_SIGMASK. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * alpha: cleanup in bitops.hRichard Henderson2007-05-301-21/+29
| | | | | | | | | | | | | | | | | | | | | | Remove 2 functions private to the alpha implemetation, in favor of similar functions in <linux/log2.h>. Provide a more efficient version of the fls64 function for pre-ev67 alphas. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2007-05-3013-65/+86
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] Fix some section mismatch warnings [ARM] 4417/1: Serial: Fix AMBA drivers locking [ARM] 4394/1: ARMv7: Add the TLB range operations [ARM] 4410/1: Remove extern declarations in coyote/ixdpg425-pci.c [ARM] 4416/1: NWFPE: fix undeclared symbols [ARM] 4415/1: AML5900: fix sparse warnings from map_io [ARM] 4414/1: S3C2443: sparse fix for clock.c [ARM] 4412/1: S3C2412: reset errata fix [ARM] 4411/1: KS8695: Another serial driver fix [ARM] oprofile: avoid lockdep warnings on mpcore oprofile init [ARM] Fix stacktrace FP range checking [ARM] use __used attribute [ARM] enable arbitary speed tty ioctls and split input/output speed [ARM] remove unused header file: arch/arm/mach-s3c2410/bast.h [ARM] 4406/1: Trivial NSLU2 / NAS-100D header & setup code cleanup [ARM] 4405/1: NSLU2, DSM-G600 frequency fixup code [ARM] 4404/1: Trivial IXP42x Kconfig cleanup [ARM] 4403/1: Make the PXA-I2C driver work with lockdep validator [ARM] 4402/1: S3C2443: Add physical address of HSMMC controller [ARM] 4401/1: S3C2443: Add definitions for port GPIOJ
| | * [ARM] 4394/1: ARMv7: Add the TLB range operationsCatalin Marinas2007-05-301-0/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | We are currently using the ARMv6 operations but need to duplicate some of the code because of the introduction of the new CPU barrier instructions in ARMv7. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * [ARM] 4412/1: S3C2412: reset errata fixBen Dooks2007-05-301-0/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The S3C2412 has an reset-errata where the clock may cause a glitch switching back to EXTCLK. We force a switch to EXTCLK before writing the reset register to force use of the CLKCON sync logic to properly switch. Fix problem reported by Matthieu Castet. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * [ARM] use __used attributeDavid Rientjes2007-05-303-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | Use the newly introduced __used attribute in place of the deprecated __attribute_used__. Functionally the same. Signed-off-by: David Rientjes <rientjes@google.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * [ARM] enable arbitary speed tty ioctls and split input/output speedAlan Cox2007-05-293-3/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add the ioctls and values needed for this to the ARM26/ARM32 ports. The actual code has been in the base kernel for a while and automatically turns on when a port sets the required defines. [RMK: also added termbits.h changes to avoid build breakage] Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * [ARM] 4406/1: Trivial NSLU2 / NAS-100D header & setup code cleanupMichael-Luke Jones2007-05-262-58/+16Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This trivial patch updates the nslu2 and nas-100d headers to remove pointless GPIO defines, and updates nslu2-setup.c accordingly. In addition minor style cleanups to some comments are included. Signed-off-by: Michael-Luke Jones <mlj28@cam.ac.uk> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * [ARM] 4405/1: NSLU2, DSM-G600 frequency fixup codeMichael-Luke Jones2007-05-261-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch is required as the frequency fixup in nslu2_init does not run sufficiently early in the boot sequence to take effect. In addition the dsmg600 setup code behaviour has been improved such that a 'fixup' routine is avoided. Signed-off-by: Michael-Luke Jones <mlj28@cam.ac.uk> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * [ARM] 4402/1: S3C2443: Add physical address of HSMMC controllerBen Dooks2007-05-261-0/+4
| | | | | | | | | | | | | | | | | | | | | Add physical address of HSMMC to include/asm-arm/arch-s3c2410/map.h Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * [ARM] 4401/1: S3C2443: Add definitions for port GPIOJBen Dooks2007-05-261-0/+4
| | | | | | | | | | | | | | | | | | | | | Add definitions for S3C2443 functions in GPIOJ Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | NOHZ: prevent multiplication overflow - stop timer for huge timeoutsThomas Gleixner2007-05-301-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | get_next_timer_interrupt() returns a delta of (LONG_MAX > 1) in case there is no timer pending. On 64 bit machines this results in a multiplication overflow in tick_nohz_stop_sched_tick(). Reported by: Dave Miller <davem@davemloft.net> Make the return value a constant and limit the return value to a 32 bit value. When the max timeout value is returned, we can safely stop the tick timer device. The max jiffies delta results in a 12 days timeout for HZ=1000. In the long term the get_next_timer_interrupt() code needs to be reworked to return ktime instead of jiffies, but we have to wait until the last users of the original NO_IDLE_HZ code are converted. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | [SPARC64]: Fill holes in hypervisor APIs and fix KTSB registry.David S. Miller2007-05-291-47/+593
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Several interfaces were missing and others misnumbered or improperly documented. Also, make sure to check the return value when registering the kernel TSBs with the hypervisor. This helped to find the 4MB kernel TSB alignment bug fixed in a previous changeset. Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [SPARC64]: Fix two bugs wrt. kernel 4MB TSB.David S. Miller2007-05-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1) The TSB lookup was not using the correct hash mask. 2) It was not aligned on a boundary equal to it's size, which is required by the sun4v Hypervisor. wasn't having it's return value checked, and that bug will be fixed up as well in a subsequent changeset. Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [SPARC]: Emulate cmpxchg like pariscKyle McMartin2007-05-291-0/+38
| | | | | | | | | | | | | | | Signed-off-by: Kyle McMartin <kyle@parisc-linux.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [SPARC64]: Eliminate NR_CPUS limitations.David S. Miller2007-05-292-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Cheetah systems can have cpuids as large as 1023, although physical systems don't have that many cpus. Only three limitations existed in the kernel preventing arbitrary NR_CPUS values: 1) dcache dirty cpu state stored in page->flags on D-cache aliasing platforms. With some build time calculations and some build-time BUG checks on page->flags layout, this one was easily solved. 2) The cheetah XCALL delivery code could only handle a cpumask with up to 32 cpus set. Some simple looping logic clears that up too. 3) thread_info->cpu was a u8, easily changed to a u16. There are a few spots in the kernel that still put NR_CPUS sized arrays on the kernel stack, but that's not a sparc64 specific problem. Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [SPARC64]: Use machine description and OBP properly for cpu probing.David S. Miller2007-05-298-14/+69
| | | | | | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [SPARC64]: Report proper system soft state to the hypervisor.David S. Miller2007-05-294-6/+27
| | | | | | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [SPARC64]: Kill unused DIE_PAGE_FAULT enum value.Christoph Hellwig2007-05-291-1/+0Star
| |/ | | | | | | | | | | | | | | sparc64 got rid of the pagefault notifiers, so the enum value for them can go away aswell. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
| * Merge branch 'master' of ↵Linus Torvalds2007-05-255-24/+20Star
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 * 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (25 commits) [XFRM]: Allow packet drops during larval state resolution. [CASSINI]: Check pci_set_mwi() return value. [NET]: "wrong timeout value" in sk_wait_data() v2 [NETFILTER]: nf_nat_h323: call set_h225_addr instead of set_h225_addr_hook [NETFILTER]: nf_conntrack_h323: add missing T.120 address in OLCA [NETFILTER]: nf_conntrack_h323: remove unnecessary process of Information signal [NETFILTER]: nf_conntrack_h323: fix get_h225_addr() for IPv6 address access [NETFILTER]: nf_conntrack_h323: fix ASN.1 types [NETFILTER]: nf_conntrack_ftp: fix newline sequence number calculation [NETFILTER]: nf_conntrack_ftp: fix newline sequence number update [NET_SCHED]: sch_htb: fix event cache time calculation [DCCP]: Fix build warning when debugging is disabled. [TIPC]: Fixed erroneous introduction of for_each_netdev [RTNETLINK]: Fix sending netlink message when replace route. [TR]: Use menuconfig objects. [ARCNET]: Use menuconfig objects. [TIPC]: Use menuconfig objects. [SCTP]: Use menuconfig objects. [IPVS]: Use menuconfig objects. [DCCP]: Use menuconfig objects. ...
| | * [XFRM]: Allow packet drops during larval state resolution.David S. Miller2007-05-252-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The current IPSEC rule resolution behavior we have does not work for a lot of people, even though technically it's an improvement from the -EAGAIN buisness we had before. Right now we'll block until the key manager resolves the route. That works for simple cases, but many folks would rather packets get silently dropped until the key manager resolves the IPSEC rules. We can't tell these folks to "set the socket non-blocking" because they don't have control over the non-block setting of things like the sockets used to resolve DNS deep inside of the resolver libraries in libc. With that in mind I coded up the patch below with some help from Herbert Xu which provides packet-drop behavior during larval state resolution, controllable via sysctl and off by default. This lays the framework to either: 1) Make this default at some point or... 2) Move this logic into xfrm{4,6}_policy.c and implement the ARP-like resolution queue we've all been dreaming of. The idea would be to queue packets to the policy, then once the larval state is resolved by the key manager we re-resolve the route and push the packets out. The packets would timeout if the rule didn't get resolved in a certain amount of time. Signed-off-by: David S. Miller <davem@davemloft.net>
| | * Merge git://git.kernel.org/pub/scm/linux/kernel/git/holtmann/bluetooth-2.6David S. Miller2007-05-251-2/+6
| | |\
| | | * [Bluetooth] Fix L2CAP configuration parameter handlingMarcel Holtmann2007-05-241-2/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The L2CAP configuration parameter handling was missing the support for rejecting unknown options. The capability to reject unknown options is mandatory since the Bluetooth 1.2 specification. This patch implements its and also simplifies the parameter parsing. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
| | * | [NETFILTER]: nf_conntrack_h323: fix ASN.1 typesJing Min Zhao2007-05-251-20/+3Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1. Add support for decoding IPv6 address. I know it was manually added in the header file, but not in the template file. That wouldn't work. 2. Add missing support for decoding T.120 address in OLCA. 3. Remove unnecessary decoding of Information signal. Signed-off-by: Jing Min Zhao <zhaojingmin@vivecode.com> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| | * | [NETFILTER]: nf_conntrack_ftp: fix newline sequence number calculationPatrick McHardy2007-05-251-2/+1Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When the packet size is changed by the FTP NAT helper, the connection tracking helper adjusts the sequence number of the newline character by the size difference. This is wrong because NAT sequence number adjustment happens after helpers are called, so the unadjusted number is compared to the already adjusted one. Based on report by YU, Haitao <yuhaitao@tsinghua.org.cn> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | Merge branch 'release' of ↵Linus Torvalds2007-05-251-5/+2Star
| |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] acpi_get_sysname() should be __init [IA64] Cleanup acpi header to reuse the generic _PDC defines [IA64] Fix using uninitialized data in _PDC setup [IA64] start_secondary() and smp_callin() should be __cpuinit
| | * | | [IA64] Cleanup acpi header to reuse the generic _PDC definesVenki Pallipadi2007-05-241-5/+2Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ia64 _PDC setup is defined similar to i386. So, cleanup the header to use generic _PDC defines than using specific defines in ia64. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * | | | Don't call a warnign a bug. It's a warning.Linus Torvalds2007-05-241-1/+1
| | |/ / | |/| | | | | | | | | | | | | | | | | | | | | | Change the default printout message for WARN_ON() to say what it is, not something else. I'm tired of having people get all aflutter about a warning. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | Merge branch 'fixes' of git://git.linux-nfs.org/pub/linux/nfs-2.6Linus Torvalds2007-05-241-0/+1
| |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'fixes' of git://git.linux-nfs.org/pub/linux/nfs-2.6: NFS: Fix nfs_direct_dirty_pages() NFS: Fix handful of compiler warnings in direct.c NFS: Avoid a deadlock situation on write
| | * | | NFS: Avoid a deadlock situation on writeTrond Myklebust2007-05-241-0/+1
| | | |/ | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When processes are allowed to attempt to lock a non-contiguous range of nfs write requests, it is possible for generic_writepages to 'wrap round' the address space, and call writepage() on a request that is already locked by the same process. We avoid the deadlock by checking if the page index is contiguous with the list of nfs write requests that is already held in our nfs_pageio_descriptor prior to attempting to lock a new request. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | i386: fix early usage of atomic_add_return and local_add_return on real i386Thomas Gleixner2007-05-242-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The check (boot_cpu_data.x86 == 3) in atomic_add_return() and local_add_return() fails, when those operations are used before boot_cpu_data is filled in. Change the check to (boot_cpu_data.x86 <= 3) to fix this. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | md: don't write more than is required of the last page of a bitmapNeilBrown2007-05-241-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It is possible that real data or metadata follows the bitmap without full page alignment. So limit the last write to be only the required number of bytes, rounded up to the hard sector size of the device. Signed-off-by: Neil Brown <neilb@suse.de> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | recalc_sigpending_tsk fixesRoland McGrath2007-05-241-5/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Steve Hawkes discovered a problem where recalc_sigpending_tsk was called in do_sigaction but no signal_wake_up call was made, preventing later signals from waking up blocked threads with TIF_SIGPENDING already set. In fact, the few other calls to recalc_sigpending_tsk outside the signals code are also subject to this problem in other race conditions. This change makes recalc_sigpending_tsk private to the signals code. It changes the outside calls, as well as do_sigaction, to use the new recalc_sigpending_and_wake instead. Signed-off-by: Roland McGrath <roland@redhat.com> Cc: <Steve.Hawkes@motorola.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | capability.h warning fixAndrew Morton2007-05-241-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | include/linux/capability.h:397: warning: "struct task_struct" declared inside parameter list include/linux/capability.h:397: warning: its scope is only this definition or declaration, which is probably not what you want Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | genhd: send async notification on media changeKristen Carlson Accardi2007-05-241-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Send an uevent to user space to indicate that a media change event has occurred. Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | genhd: expose AN to user spaceKristen Carlson Accardi2007-05-241-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allow user space to determine if a disk supports Asynchronous Notification of media changes. This is done by adding a new sysfs file "capability_flags", which is documented in (insert file name). This sysfs file will export all disk capabilities flags to user space. We also define a new flag to define the media change notification capability. Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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