Ilya Loginov 2d4dc890b5 block: add helpers to run flush_dcache_page() against a bio and a request's pages ...

Mtdblock driver doesn't call flush_dcache_page for pages in request.  So,
this causes problems on architectures where the icache doesn't fill from
the dcache or with dcache aliases.  The patch fixes this.

The ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE symbol was introduced to avoid
pointless empty cache-thrashing loops on architectures for which
flush_dcache_page() is a no-op.  Every architecture was provided with this
flush pages on architectires where ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE is
equal 1 or do nothing otherwise.

See "fix mtd_blkdevs problem with caches on some architectures" discussion
on LKML for more information.

Signed-off-by: Ilya Loginov <isloginov@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Peter Horton <phorton@bitbox.co.uk>
Cc: "Ed L. Cashin" <ecashin@coraid.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

2009-11-26 09:16:19 +01:00

..

asmmacro.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

atomic.h

asm-generic: rename atomic.h to atomic-long.h

2009-06-11 21:02:17 +02:00

auxvec.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

bitops.h

Merge git://git.kernel.org/pub/scm/linux/kernel/git/czankel/xtensa-2.6

2009-01-07 11:56:29 -08:00

bitsperlong.h

asm-generic: introduce asm/bitsperlong.h

2009-06-11 21:02:14 +02:00

bootparam.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

bug.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

bugs.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

byteorder.h

byteorder: make swab.h include asm/swab.h like a regular header

2009-01-14 19:56:50 -08:00

cache.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

cacheasm.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

cacheflush.h

block: add helpers to run flush_dcache_page() against a bio and a request's pages

2009-11-26 09:16:19 +01:00

checksum.h

xtensa: Fix checksum header file

2009-05-11 21:48:23 -07:00

coprocessor.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

cpumask.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

cputime.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

current.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

delay.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

device.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

div64.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

dma-mapping.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

dma.h

xtensa: nommu support

2009-04-02 23:41:50 -07:00

elf.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

emergency-restart.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

errno.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

fb.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

fcntl.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

flat.h

xtensa: add flat support

2009-04-02 23:41:29 -07:00

ftrace.h

tracing: make CALLER_ADDRx overwriteable

2009-03-02 16:49:37 -05:00

futex.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

gpio.h

xtensa: support s6000 gpio irqs and alternate function selection

2009-06-22 02:37:26 -07:00

hardirq.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

highmem.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

hw_irq.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

io.h

xtensa: nommu support

2009-04-02 23:41:50 -07:00

ioctl.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

ioctls.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

ipcbuf.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

irq_regs.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

irq.h

xtensa: allow variant to initialize own irq chips

2009-06-22 02:36:59 -07:00

Kbuild

byteorder: make swab.h include asm/swab.h like a regular header

2009-01-14 19:56:50 -08:00

kdebug.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

kmap_types.h

kmap_types: make most arches use generic header file

2009-06-16 19:47:51 -07:00

linkage.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

local.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

mman.h

mm: add MAP_HUGETLB for mmaping pseudo-anonymous huge page regions

2009-09-22 07:17:41 -07:00

mmu_context.h

xtensa: nommu support

2009-04-02 23:41:50 -07:00

mmu.h

xtensa: nommu support

2009-04-02 23:41:50 -07:00

module.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

msgbuf.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

mutex.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

nommu_context.h

xtensa: nommu support

2009-04-02 23:41:50 -07:00

nommu.h

xtensa: nommu support

2009-04-02 23:41:50 -07:00

page.h

asm-generic: rename page.h and uaccess.h

2009-06-11 21:02:17 +02:00

param.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

pci-bridge.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

pci.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

percpu.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

pgalloc.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

pgtable.h

xtensa: nommu support

2009-04-02 23:41:50 -07:00

platform.h

xtensa: remove platform rtc hooks

2009-04-02 23:45:07 -07:00

poll.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

posix_types.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

processor.h

xtensa: nommu support

2009-04-02 23:41:50 -07:00

ptrace.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

regs.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

resource.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

rmap.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

rwsem.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

scatterlist.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

sections.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

segment.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

sembuf.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

serial.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

setup.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

shmbuf.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

shmparam.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

sigcontext.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

siginfo.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

signal.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

smp.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

socket.h

net: implement a SO_DOMAIN getsockoption

2009-08-05 13:02:57 -07:00

sockios.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

spinlock.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

stat.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

statfs.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

string.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

swab.h

headers_check fix: xtensa, swab.h

2009-02-01 11:01:30 +05:30

syscall.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

system.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

termbits.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

termios.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

thread_info.h

sched: INIT_PREEMPT_COUNT

2009-07-10 14:24:05 -07:00

timex.h

xtensa: fix wrong extern declaration renamed in code using it

2009-05-11 22:00:11 -07:00

tlb.h

mm: Pass virtual address to [__]p{te,ud,md}_free_tlb()

2009-07-27 12:10:38 -07:00

tlbflush.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

topology.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

types.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

uaccess.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

ucontext.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

unaligned.h

xtensa: switch to packed struct unaligned access implementation

2008-11-11 06:14:10 -08:00

unistd.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

user.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

vga.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

xor.h

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00