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* Blackfin: irq: remove IRQF_DISABLEDYong Zhang2011-10-268-11/+8
| | | | | | | | This flag is a NOOP and can be removed now. Signed-off-by: Yong Zhang <yong.zhang0@gmail.com> Acked-by: Bob Liu <lliubbo@kernel.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: boards: clean up i2c_board_infoMichael Hennerich2011-10-251-28/+0
| | | | | | | | Remove i2c_board_info for driver that doesn't exist anymore. Delete irq_flags for drivers that don't use them anymore. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: drop unused Kconfig symbolPaul Bolle2011-10-251-4/+0
| | | | | Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: bf537-stamp: register ASoC EVAL-ADAU1373 board driverLars-Peter Clausen2011-10-251-0/+12
| | | | | | Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: bf537-stamp: Register adav801 codec and ASoC machine driverLars-Peter Clausen2011-10-251-3/+16
| | | | | | | | | | There is already an entry in the spi device table for the codec, but the modalias was wrong. Also the config symbol name for the codec is wrong, so this is fixed as well. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: bf537-stamp: register adau1701 codec and asoc machine driverLars-Peter Clausen2011-10-251-0/+17
| | | | | | Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: merge asm/mutex.h into kbuild tooMike Frysinger2011-10-252-1/+1
| | | | | | | | This header was being rewritten while the asm-generic kbuild support was in flight, so it missed out on the update. Punt the stub and use the kbuild now that everything has settled. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: bf537-stamp: fix ad73311 codec config macroScott Jiang2011-10-251-2/+2
| | | | | | | SND_BF5XX_SOC is for machine drivers while SND_SOC is for codec drivers. Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: bf537-stamp: fix ad1836 nameScott Jiang2011-10-251-3/+3
| | | | | | | | The ASoC codec name is "ad1836" and not "ad183x" as the change to rename things ultimately did not get merged. Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: kgdb_test: rework code to avoid -O0 usageSonic Zhang2011-10-252-3/+2
| | | | | | | | | | | __kfree_rcu() in rcupdate.h bugs when parameter offset is not a constant at compile time. Since we build the kgdb_test module with -O0 and it includes this header file, we hit the bug. So drop the -O0 and mark the one func we need for the test as noinline (so we can set a breakpoint on it and have it be hit). Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: fix sparse warnings in copy_to/from_userMikhail Gruzdev2011-10-251-3/+3
| | | | | | | | | | | | | | | | | | Fix argument types for copy_to_user. Fix following sparse warnings: arch/blackfin/include/asm/uaccess.h:198:14: warning: incorrect type in argument 2 (different address spaces) arch/blackfin/include/asm/uaccess.h:198:14: expected void const *s arch/blackfin/include/asm/uaccess.h:198:14: got void const [noderef] <asn:1>*from arch/blackfin/include/asm/uaccess.h:208:14: warning: incorrect type in argument 2 (different address spaces) arch/blackfin/include/asm/uaccess.h:208:14: expected void const *s arch/blackfin/include/asm/uaccess.h:208:14: got void const [noderef] <asn:1>*from Signed-off-by: Mikhail Gruzdev <michail.gruzdev@gmail.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: bf548-ezkit: update defconfigSonic Zhang2011-10-251-10/+3
| | | | | Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: SMP: fix scheduling deadlockSteven Miao2011-10-251-1/+6
| | | | | | | | Make sure our smp_send_reschedule() implementation matches the scheduler_ipi() callback so that it can kick the idle cpu. Signed-off-by: Steven Miao <realmz6@gmail.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: H8606: fixup bogus ioresource initThomas Gleixner2011-10-251-1/+2
| | | | | | | | | | | | | | | | IRQF_SHARED is not part of the IORESOURCE_IRQ bits. It's expressed by IORESOURCE_IRQ_SHAREABLE. IORESOURCE_IRQ_HIGHEDGE and IRQF_TRIGGER_HIGH are contradicting values, an interrupt can hardly be configured for both level and edge at the same time. This was introduced in commit 45138439(Blackfin arch: flash memory map and dm9000 resources updating) of course without any hint in the changelog what the heck this is supposed to do. Acked-by: Javier Herrero <jherrero@hvsistemas.es> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Blackfin: SMP: convert to common asm-generic/atomic.hMike Frysinger2011-10-251-94/+10
| | | | | | | Now that common code supports SMP systems, switch our SMP atomic logic over to it to avoid code duplication. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Merge branch 'for-linus' of git://github.com/gregungerer/m68knommuLinus Torvalds2011-10-2535-3208/+2596
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://github.com/gregungerer/m68knommu: m68k: drop unused Kconfig symbols m68k: drop unused Kconfig symbols m68knommu: create common externs for _ram* vars m68knommu: remove extern declarations of memory_start/memory_end from mm/init m68knommu: use generic section names in mm/init code m68knommu: use generic section names in setup code m68k: merge the mmu and non-mmu traps.c files m68k: move hardware vector setting from traps.c to its own file m68k: merge mmu and non-mmu include/asm/entry.h files m68k: merge the mmu and non-mmu kernel/Makefiles m68k: merge mmu and non-mmu arch Makefiles m68k: reorganize Kconfig options to improve mmu/non-mmu selections m68knommu: fix problems with SPI/GPIO on ColdFire 520x m68k: fix memcpy to unmatched/unaligned source and dest on 68000
| * m68k: drop unused Kconfig symbolsPaul Bolle2011-10-211-23/+1
| | | | | | | | | | | | Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
| * m68k: drop unused Kconfig symbolsPaul Bolle2011-10-212-70/+1
| | | | | | | | | | | | Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
| * m68knommu: create common externs for _ram* varsGreg Ungerer2011-10-183-3/+3
| | | | | | | | | | | | | | Create common extern definitions of _rambase, _ramstart and _ramend instead of them being externed when used in code. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
| * m68knommu: remove extern declarations of memory_start/memory_end from mm/initGreg Ungerer2011-10-181-3/+0
| | | | | | | | | | | | | | We do not need to have local extern declarations of memory_start and memory_end in mm/init_no.c. There are declarations already in asm/page_no.h. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
| * m68knommu: use generic section names in mm/init codeGreg Ungerer2011-10-181-9/+8
| | | | | | | | | | | | | | | | We should be including and using sections.h to get at the extern definitions of the linker sections in the m68knommu mm init code. Not defining them locally. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
| * m68knommu: use generic section names in setup codeGreg Ungerer2011-10-182-1/+3
| | | | | | | | | | | | | | | | We should be including and using sections.h to get at the extern definitions of the linker sections in the m68knommu startup code. Not defining them locally. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
| * m68k: merge the mmu and non-mmu traps.c filesGreg Ungerer2011-10-184-1456/+1111
| | | | | | | | | | | | | | | | | | | | | | | | | | The code for handling traps in the non-mmu case is a subset of the mmu enabled case. Merge the non-mmu traps_no.c code back to a single traps.c. There is actually no code mmu specific here at all, and the processor specific code (for the more complex 68020/68030/68040/68060) is already proplerly conditionaly used. The format of console exception dump is a little different, but I don't think will cause any one problems, it is purely for debug purposes. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
| * m68k: move hardware vector setting from traps.c to its own fileGreg Ungerer2011-10-183-116/+146
| | | | | | | | | | | | | | | | | | | | | | | | Most of the trap.c code is general to all m68k arch members. But the code it currently contains to set the hardware vector table is quite specific to the 680x0 family. They can have the vector table at any address unlike other family members (which either support only a single fixed address, or a limited range of addresses). So lets move that code out to a new file, vectors.c. This will make sharing the rest of the trap.c code easier and cleaner. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
| * m68k: merge mmu and non-mmu include/asm/entry.h filesGreg Ungerer2011-10-187-330/+268
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The changes in the mmu version of entry.h (entry_mm.h) and the non-mmu version (entry_no.h) are not about the presence or use of an MMU at all. The main changes are to support the ColdFire processors. The code for trap entry and exit for all types of 68k processor outside coldfire is the same. So merge the files back to a single entry.h and share the common 68k entry/exit code. Some changes are required for the non-mmu entry handlers to adopt the differing macros for system call and interrupt entry, but this is quite strait forward. The changes for the ColdFire remove a couple of instructions for the separate a7 register case, and are no worse for the older single a7 register case. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
| * m68k: merge the mmu and non-mmu kernel/MakefilesGreg Ungerer2011-10-183-31/+20
| | | | | | | | | | | | | | | | | | The few differences between the mmu and non-mmu kernel/Makefiles can easily be handled inside of a single Makefile. Merge the 2 back into a single Makefile. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Sam Ravnborg <sam@ravnborg.org>
| * m68k: merge mmu and non-mmu arch MakefilesGreg Ungerer2011-10-185-250/+174
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Most of the build logic is the same for the mmu and non-mmu m68k targets. Merge the top level architecture Makefiles back into a single Makefile. For the most part this is just adding the non-mmu processor types and their specific cflags and other options into the mmu Makefile. Note that all the BOARD setting logic that was in the non-mmu Makefile is completely removed. It was no longer being used at all. This has been build and run tested on ColdFire targets and ARAnyM. It has been build tested on all the m68k defconfig targets using a gcc-4.5.1 based toolchain. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Sam Ravnborg <sam@ravnborg.org>
| * m68k: reorganize Kconfig options to improve mmu/non-mmu selectionsGreg Ungerer2011-10-186-916/+888
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The current mmu and non-mmu Kconfig files can be merged to form a more general selection of options. The current break up of options is due to the simple brute force merge from the m68k and m68knommu arch directories. Many of the options are not at all specific to having the MMU enabled or not. They are actually associated with a particular CPU type or platform type. Ultimately as we support all processors with the MMU disabled we need many of these options to be selectable without the MMU option enabled. And likewise some of the ColdFire processors, which currently are only supported with the MMU disabled, do have MMU hardware, and will need to have options selected on CPU type, not MMU disabled. This patch removes the old mmu and non-mmu Kconfigs and instead breaks up the configuration into four areas: cpu, machine, bus, devices. The Kconfig.cpu lists all the options associated with selecting a CPU, and includes options specific to each CPU type as well. Kconfig.machine lists all options associated with selecting a machine type. Almost always the machines selectable is restricted by the chosen CPU. Kconfig.bus contains options associated with selecting bus types on the various machine types. That includes PCI bus, PCMCIA bus, etc. Kconfig.devices contains options for drivers and driver associated options. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
| * m68knommu: fix problems with SPI/GPIO on ColdFire 520xPeter Turczak2011-10-184-63/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The problem has its root in the calculation of the set-port offsets (macro MCFGPIO_SETR() in arch/m68k/include/asm/gpio.h), this assumes that all ports have the same offset from the base port address (MCFGPIO_SETR) which is defined in mcf520xsim.h as an alias of MCFGIO_PSETR_BUSCTL. Because the BUSCTL and BE port do not have a set-register (see MCF5208 Reference Manual Page 13-10, Table 13-3) the offset calculations went wrong. Because the BE and BUSCTL port do not seem useful in these parts, as they lack a set register, I removed them and adapted the gpio chip bases which are also used for the offset-calculations. Now both setting and resetting the chip selects works as expected from userland and from the kernelspace. Signed-off-by: Peter Turczak <peter@turczak.de> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
| * m68k: fix memcpy to unmatched/unaligned source and dest on 68000Greg Ungerer2011-10-181-0/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The original 68000 processors cannot copy 16bit or larger quantities from odd addresses. All newer members of the 68k family (including ColdFire) can do this. In the current memcpy implementation after trying to align the destination address to a 16bit boundary if we end up with an odd source address we go off and try to copy multi-byte quantities from it. This will trap on the 68000. The only solution if we end with an odd source address is to byte wise copy the whole memcpy region. We only need to do this if we are supporting original 68000 processors. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
* | ehea: fix skb_frag_size typoEric Dumazet2011-10-251-1/+1
| | | | | | | | | | | | | | | | | | Commit 9e903e085262 ("net: add skb frag size accessors") introduced a typo in ehea driver. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge branch 'nfs-for-3.2' of git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds2011-10-2527-309/+238
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'nfs-for-3.2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (26 commits) Check validity of cl_rpcclient in nfs_server_list_show NFS: Get rid of the nfs_rdata_mempool NFS: Don't rely on PageError in nfs_readpage_release_partial NFS: Get rid of unnecessary calls to ClearPageError() in read code NFS: Get rid of nfs_restart_rpc() NFS: Get rid of the unused nfs_write_data->flags field NFS: Get rid of the unused nfs_read_data->flags field NFSv4: Translate NFS4ERR_BADNAME into ENOENT when applied to a lookup NFS: Remove the unused "lookupfh()" version of nfs4_proc_lookup() NFS: Use the inode->i_version to cache NFSv4 change attribute information SUNRPC: Remove unnecessary export of rpc_sockaddr2uaddr SUNRPC: Fix rpc_sockaddr2uaddr nfs/super.c: local functions should be static pnfsblock: fix writeback deadlock pnfsblock: fix NULL pointer dereference pnfs: recoalesce when ld read pagelist fails pnfs: recoalesce when ld write pagelist fails pnfs: make _set_lo_fail generic pnfsblock: add missing rpc_put_mount and path_put SUNRPC/NFS: make rpc pipe upcall generic ...
| * | Check validity of cl_rpcclient in nfs_server_list_showMalahal Naineni2011-10-201-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | As soon as the nfs_client gets created, its cl_rpcclient is set to ERR_PTR(-EINVAL). The rpc client structure is allocated later. Check if the client is ready before using the cl_rpcclient pointer. Signed-off-by: Malahal Naineni <malahal@us.ibm.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | NFS: Get rid of the nfs_rdata_mempoolTrond Myklebust2011-10-191-13/+4
| | | | | | | | | | | | | | | | | | We don't need a mempool in order to guarantee reliable NFS read performance. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | NFS: Don't rely on PageError in nfs_readpage_release_partialTrond Myklebust2011-10-192-5/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Don't rely on the PageError flag to tell us if one of the partial reads of the page failed. Instead, replace that with a dedicated flag in the struct nfs_page. Then clean out redundant uses of the PageError flag: the VM no longer checks it for reads. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | NFS: Get rid of unnecessary calls to ClearPageError() in read codeTrond Myklebust2011-10-192-3/+0
| | | | | | | | | | | | | | | | | | The generic file read code does that for us anyway. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | NFS: Get rid of nfs_restart_rpc()Trond Myklebust2011-10-197-34/+19
| | | | | | | | | | | | | | | | | | It can trivially be replaced with rpc_restart_call_prepare. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | NFS: Get rid of the unused nfs_write_data->flags fieldTrond Myklebust2011-10-191-1/+0
| | | | | | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | NFS: Get rid of the unused nfs_read_data->flags fieldTrond Myklebust2011-10-191-1/+0
| | | | | | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | NFSv4: Translate NFS4ERR_BADNAME into ENOENT when applied to a lookupTrond Myklebust2011-10-181-1/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Both LOOKUP and OPEN operations may return NFS4ERR_BADNAME if we send a an invalid name as a filename argument. As far as the application is concerned, it just has to know that the file doesn't exist, and so ENOENT would be the appropriate reply. We should only return EINVAL if the filename is being used to _create_ a new object on the remote filesystem. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | NFS: Remove the unused "lookupfh()" version of nfs4_proc_lookup()Trond Myklebust2011-10-182-48/+17
| | | | | | | | | | | | | | | | | | ...and also remove the associated nfs_v4_clientops entry. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | NFS: Use the inode->i_version to cache NFSv4 change attribute informationTrond Myklebust2011-10-186-15/+14
| | | | | | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | SUNRPC: Remove unnecessary export of rpc_sockaddr2uaddrTrond Myklebust2011-10-181-1/+0
| | | | | | | | | | | | | | | | | | It is only used internally by the RPC code. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | SUNRPC: Fix rpc_sockaddr2uaddrTrond Myklebust2011-10-183-6/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | rpc_sockaddr2uaddr is only used by net/sunrpc/rpcb_clnt.c, where it is used in a non-blockable context in at least one case. Add non-blocking capability by adding a gfp_t argument Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | nfs/super.c: local functions should be staticH Hartley Sweeten2011-10-181-6/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit ae50c0b5 "pnfs: client stats" added additional information to the output of /proc/self/mountstats. The new functions introduced are only used in this file and should be marked static. If CONFIG_NFS_V4_1 is not defined, empty stub functions are used. If CONFIG_NFS_V4 is not defined these stub functions are not used at all. Adding static for the functions results in compile warnings: fs/nfs/super.c:743: warning: 'show_sessions' defined but not used fs/nfs/super.c:756: warning: 'show_pnfs' defined but not used Fix this by adding a #ifdef CONFIG_NFS_V4 guard around the two show_ functions. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | pnfsblock: fix writeback deadlockPeng Tao2011-10-181-2/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We should check if the sector is already initialized before trying to grab the page from page cache. Otherwise when two pages of the same block are written back by two threads each calling from writepage_locked, it can cause deadlock like bellow. [ 1080.972099] INFO: task kswapd0:25 blocked for more than 120 seconds. [ 1080.972377] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1080.972812] kswapd0 D ffff88000c4926c0 0 25 2 0x00000000 [ 1080.972816] ffff88000df276b0 0000000000000046 ffff88000df27640 ffffffff81013ba7 [ 1080.972821] ffff88000c492310 ffff88000df27fd8 ffff88000df27fd8 00000000001d3440 [ 1080.972824] ffff88000c378000 ffff88000c492310 ffff8800175d3d40 ffff880017fc75a8 [ 1080.972828] Call Trace: [ 1080.972860] [<ffffffff81013ba7>] ? read_tsc+0x9/0x19 [ 1080.972877] [<ffffffff810e0b23>] ? lock_page+0x2b/0x2b [ 1080.972899] [<ffffffff81475a1d>] io_schedule+0x63/0x7e [ 1080.972902] [<ffffffff810e0b31>] sleep_on_page+0xe/0x12 [ 1080.972905] [<ffffffff81475fe8>] __wait_on_bit_lock+0x46/0x8f [ 1080.972916] [<ffffffff810822d7>] ? lock_release_holdtime.part.7+0x6b/0x72 [ 1080.972919] [<ffffffff810e0af6>] __lock_page+0x66/0x68 [ 1080.972928] [<ffffffff81072705>] ? autoremove_wake_function+0x3d/0x3d [ 1080.972932] [<ffffffff810e0b1f>] lock_page+0x27/0x2b [ 1080.972934] [<ffffffff810e0bcf>] find_lock_page+0x34/0x57 [ 1080.972937] [<ffffffff810e1738>] find_or_create_page+0x34/0x8a [ 1080.972947] [<ffffffffa034245b>] bl_write_pagelist+0x205/0x6da [blocklayoutdriver] [ 1080.972951] [<ffffffffa034145d>] ? bl_free_lseg+0x38/0x38 [blocklayoutdriver] [ 1080.972995] [<ffffffffa02e27b9>] ? nfs_write_rpcsetup+0x118/0x123 [nfs] [ 1080.973033] [<ffffffffa030246b>] pnfs_generic_pg_writepages+0x10b/0x1f4 [nfs] [ 1080.973089] [<ffffffffa02deaae>] nfs_pageio_doio+0x1a/0x43 [nfs] [ 1080.973098] [<ffffffffa02df035>] nfs_pageio_complete+0x16/0x2d [nfs] [ 1080.973108] [<ffffffffa02e2d8f>] nfs_writepage_locked+0xa0/0xbf [nfs] [ 1080.973119] [<ffffffffa02e36a1>] nfs_writepage+0x16/0x2b [nfs] [ 1080.973122] [<ffffffff810e8762>] ? clear_page_dirty_for_io+0x87/0x9a [ 1080.973133] [<ffffffff810efc5b>] shrink_page_list+0x39b/0x6c8 [ 1080.973139] [<ffffffff810f03bb>] shrink_inactive_list+0x22c/0x39e [ 1080.973144] [<ffffffff810822d7>] ? lock_release_holdtime.part.7+0x6b/0x72 [ 1080.973148] [<ffffffff810f0c33>] shrink_zone+0x445/0x588 [ 1080.973152] [<ffffffff810f1a11>] balance_pgdat+0x2c2/0x56b [ 1080.973170] [<ffffffff81254208>] ? __bitmap_weight+0x34/0x80 [ 1080.973175] [<ffffffff810f1f78>] kswapd+0x2be/0x2fa [ 1080.973179] [<ffffffff810726c8>] ? __init_waitqueue_head+0x4b/0x4b [ 1080.973183] [<ffffffff810f1cba>] ? balance_pgdat+0x56b/0x56b [ 1080.973187] [<ffffffff81071f69>] kthread+0xa8/0xb0 [ 1080.973200] [<ffffffff814806b4>] kernel_thread_helper+0x4/0x10 [ 1080.973205] [<ffffffff81071ec1>] ? __init_kthread_worker+0x5a/0x5a [ 1080.973210] [<ffffffff814806b0>] ? gs_change+0x13/0x13 [ 1080.973213] no locks held by kswapd0/25. Signed-off-by: Peng Tao <peng_tao@emc.com> Signed-off-by: Jim Rees <rees@umich.edu> Cc: stable@kernel.org [3.0] Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | pnfsblock: fix NULL pointer dereferencePeng Tao2011-10-181-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | bl_add_page_to_bio returns error pointer. bio should be reset to NULL in failure cases as the out path always calls bl_submit_bio. Signed-off-by: Peng Tao <peng_tao@emc.com> Signed-off-by: Jim Rees <rees@umich.edu> Cc: stable@kernel.org [3.0] Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | pnfs: recoalesce when ld read pagelist failsPeng Tao2011-10-183-15/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For pnfs pagelist read failure, we need to pg_recoalesce and resend IO to mds. Signed-off-by: Peng Tao <peng_tao@emc.com> Signed-off-by: Jim Rees <rees@umich.edu> Cc: stable@kernel.org [3.0] Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | pnfs: recoalesce when ld write pagelist failsPeng Tao2011-10-183-15/+32
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For pnfs pagelist write failure, we need to pg_recoalesce and resend IO to mds. Signed-off-by: Peng Tao <peng_tao@emc.com> Signed-off-by: Jim Rees <rees@umich.edu> Cc: stable@kernel.org [3.0] Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | pnfs: make _set_lo_fail genericPeng Tao2011-10-184-30/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | file layout and block layout both use it to set mark layout io failure bit. So make it generic. Signed-off-by: Peng Tao <peng_tao@emc.com> Signed-off-by: Jim Rees <rees@umich.edu> Cc: stable@kernel.org [3.0] Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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