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Trond Myklebust 7fe7f8487a NFS: Avoid a deadlock situation on write 
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>
 		2007-05-24 10:44:20 -04:00
..
acpi acpi: fix potential call to a freed memory section. 2007-05-17 05:23:04 -07:00
asm-alpha alpha: fix hard_smp_processor_id compile error 2007-05-15 08:54:00 -07:00
asm-arm Merge master.kernel.org:/home/rmk/linux-2.6-arm 2007-05-21 10:00:22 -07:00
asm-arm26 Consolidate asm/poll.h 2007-05-11 08:29:34 -07:00
asm-avr32 [AVR32] Implement platform hooks for atmel_lcdfb driver 2007-05-15 14:13:27 +02:00
asm-blackfin Blackfin arch: Change NO_ACCESS_CHECK to ACCESS_CHECK 2007-05-21 09:50:23 -07:00
asm-cris Consolidate asm/poll.h 2007-05-11 08:29:34 -07:00
asm-frv Consolidate asm/poll.h 2007-05-11 08:29:34 -07:00
asm-generic kbuild: introduce __init_refok/__initdata_refok to supress section mismatch warnings 2007-05-19 09:11:58 +02:00
asm-h8300 h8300 atomic.h update 2007-05-15 08:54:00 -07:00
asm-i386 Detach sched.h from mm.h 2007-05-21 09:18:19 -07:00
asm-ia64 [IA64] Fix bogus messages about system calls not implemented. 2007-05-18 14:15:58 -07:00
asm-m32r m32r: __xchg() should be always_inline 2007-05-15 18:56:37 -07:00
asm-m68k m68k: implement __clear_user() 2007-05-15 08:54:00 -07:00
asm-m68knommu Remove tas() 2007-05-08 11:15:20 -07:00
asm-mips Detach sched.h from mm.h 2007-05-21 09:18:19 -07:00
asm-parisc Detach sched.h from mm.h 2007-05-21 09:18:19 -07:00
asm-powerpc Detach sched.h from mm.h 2007-05-21 09:18:19 -07:00
asm-ppc Merge branch 'linux-2.6' 2007-05-10 21:08:37 +10:00
asm-s390 [S390] Wire up signald, timerfd and eventfd syscalls. 2007-05-21 11:25:28 +02:00
asm-sh sh: Fix dreamcast build for IRQ changes. 2007-05-21 15:10:04 +09:00
asm-sh64 sh64: generic quicklist support. 2007-05-14 09:55:35 +09:00
asm-sparc [SPARC32]: asm/system.h needs asm/smp.h 2007-05-14 03:53:47 -07:00
asm-sparc64 [SPARC64]: Add hypervisor API negotiation and fix console bugs. 2007-05-15 20:23:02 -07:00
asm-um uml: iRQ stacks 2007-05-11 08:29:34 -07:00
asm-v850 Consolidate asm/poll.h 2007-05-11 08:29:34 -07:00
asm-x86_64 Detach sched.h from mm.h 2007-05-21 09:18:19 -07:00
asm-xtensa Consolidate asm/poll.h 2007-05-11 08:29:34 -07:00
crypto [CRYPTO] cryptd: Add software async crypto daemon 2007-05-02 14:38:32 +10:00
keys [AF_RXRPC]: Provide secure RxRPC sockets for use by userspace and kernel both 2007-04-26 15:48:28 -07:00
linux NFS: Avoid a deadlock situation on write 2007-05-24 10:44:20 -04:00
math-emu Delete unused header file math-emu/extended.h 2007-05-08 11:15:05 -07:00
media V4L/DVB (5592): DMA: Correctly free resources on error, sync PCI streamed data 2007-05-09 10:12:42 -03:00
mtd UBI: Unsorted Block Images 2007-04-27 14:23:33 +03:00
net [NETFILTER]: nf_conntrack: Removes unused destroy operation of l3proto 2007-05-10 23:47:46 -07:00
pcmcia add new_id to PCMCIA drivers 2007-05-07 12:12:50 -07:00
rdma Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband 2007-05-21 16:19:32 -07:00
rxrpc [AF_RXRPC]: Delete the old RxRPC code. 2007-04-26 15:55:48 -07:00
scsi [SCSI] sas_scsi_host: Convert to use the kthread API 2007-05-06 09:33:17 -05:00
sound [ALSA] version 1.0.14rc4 2007-05-16 11:45:47 +02:00
video atmel_lcdfb: AT91/AT32 LCD Controller framebuffer driver 2007-05-11 08:29:37 -07:00
Kbuild
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