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Dan Williams f0a50d3754 md: handle_stripe5 - add request/completion logic for async expand ops 
When a stripe is being expanded bulk copying takes place to move the data
from the old stripe to the new.  Since raid5_run_ops only operates on one
stripe at a time these bulk copies are handled in-line under the stripe
lock.  In the dma offload case we poll for the completion of the operation.

After the data has been copied into the new stripe the parity needs to be
recalculated across the new disks.  We reuse the existing postxor
functionality to carry out this calculation.  By setting STRIPE_OP_POSTXOR
without setting STRIPE_OP_BIODRAIN the completion path in handle stripe
can differentiate expand operations from normal write operations.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Acked-By: NeilBrown <neilb@suse.de>
2007-07-13 08:06:17 -07:00
..
acorn
acpi ACPI: fix acpi_osi=!Linux 2007-07-02 21:06:48 -07:00
amba
ata pata_pcmcia: Switch to ata_sff_port_start 2007-07-03 11:31:06 -04:00
atm potential compiler error, irqfunc caller sites update 2007-07-06 10:23:43 -07:00
auxdisplay cfag12864bfb: Use sys_ instead of cfb_ framebuffer accessors 2007-06-01 08:18:28 -07:00
base firmware: remove orphaned Email 2007-06-08 12:41:08 -07:00
block loop: preallocate eight loop devices 2007-06-08 17:23:32 -07:00
bluetooth [Bluetooth] Always send HCI_Reset for Broadcom devices 2007-05-24 14:26:15 +02:00
cdrom potential parse error in ifdef part 3 2007-06-08 17:23:33 -07:00
char Add support SiS based XGI chips to SiS DRM. 2007-06-27 09:54:49 -07:00
clocksource
connector [NETLINK]: Switch cb_lock spinlock to mutex and allow to override it 2007-04-25 22:29:03 -07:00
cpufreq
crypto [CRYPTO] geode: Fix in-place operations and set key 2007-05-24 21:23:24 +10:00
dio
dma async_tx: add the async_tx api 2007-07-13 08:06:14 -07:00
edac [S390] Kconfig: menus with depends on HAS_IOMEM. 2007-05-10 15:46:07 +02:00
eisa
fc4
firewire firewire: add Kconfig help on building both stacks 2007-06-29 17:32:07 +02:00
firmware
hid USB HID: hiddev - fix race between hiddev_send_event() and hiddev_release() 2007-05-10 08:45:56 +02:00
hwmon hwmon/coretemp: fix a broken error path 2007-06-24 08:59:10 -07:00
i2c [ARM] 4403/1: Make the PXA-I2C driver work with lockdep validator 2007-05-26 10:09:39 +01:00
ide qd65xx: fix PIO mode selection 2007-07-08 15:21:58 +02:00
ieee1394 ieee1394: fix to ether1394_tx in ether1394.c 2007-06-16 12:43:20 +02:00
infiniband IPoIB/cm: Partial error clean up unmaps wrong address 2007-07-02 20:48:31 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2007-07-05 15:55:37 -07:00
isdn isdn/diva: fix section mismatch 2007-06-08 17:23:33 -07:00
kvm KVM: Prevent guest fpu state from leaking into the host 2007-06-15 12:30:59 +03:00
leds [S390] Kconfig: menus with depends on HAS_IOMEM. 2007-05-10 15:46:07 +02:00
macintosh x86_64: Fix only make Macintosh drivers default on Macs 2007-06-22 18:41:18 -07:00
mca
md md: handle_stripe5 - add request/completion logic for async expand ops 2007-07-13 08:06:17 -07:00
media V4L/DVB (5822): Fix the return value in ttpci_budget_init() 2007-07-03 15:11:21 -03:00
message [SCSI] fusion: fix for BZ 8426 - massive slowdown on SCSI CD/DVD drive 2007-06-05 11:04:56 -05:00
mfd SM501: Check SM501 ID register on initialisation 2007-06-24 08:59:11 -07:00
misc Remove the blink driver 2007-07-04 15:24:39 -07:00
mmc mmc: get back read-only switch function 2007-06-13 19:11:20 +02:00
mtd Merge git://git.infradead.org/mtd-2.6 2007-06-04 17:54:09 -07:00
net potential compiler error, irqfunc caller sites update 2007-07-06 10:23:43 -07:00
nubus
oprofile Detach sched.h from mm.h 2007-05-21 09:18:19 -07:00
parisc [PARISC] stop lcd driver from stripping initial whitespace 2007-06-21 17:46:19 -04:00
parport [PARISC] fix section mismatch in parport_gsc 2007-05-27 12:13:53 -04:00
pci msi: mask the msix vector before we unmap it 2007-06-01 08:18:27 -07:00
pcmcia at91: fix enable/disable_irq_wake symmetry in pcmcia driver 2007-05-31 07:58:13 -07:00
pnp PNP SMCf010 quirk: work around Toshiba Portege 4000 ACPI issues 2007-07-06 10:23:43 -07:00
ps3
rapidio
rtc RTC: use fallback IRQ if PNP tables don't provide one 2007-06-01 08:18:29 -07:00
s390 s390: netiucv inlining cleanup 2007-06-20 19:12:42 -04:00
sbus [SPARC]: Missing #include <linux/mm.h> in drivers/sbus/char/flash.c 2007-05-31 01:52:53 -07:00
scsi scsi disk help file is not complete 2007-07-02 10:12:34 -04:00
serial serial: clear proper MPSC interrupt cause bits 2007-06-28 11:38:29 -07:00
sh
sn
spi Blackfin SPI driver: fix bug SPI DMA incomplete transmission 2007-06-11 17:34:17 +08:00
tc potential parse error in ifdef part 3 2007-06-08 17:23:33 -07:00
telephony [S390] Kconfig: menus with depends on HAS_IOMEM. 2007-05-10 15:46:07 +02:00
usb potential compiler error, irqfunc caller sites update 2007-07-06 10:23:43 -07:00
video fix section mismatch in chipsfb 2007-06-28 11:34:54 -07:00
w1 w1_therm_read_bin: don't call flush_signals() 2007-06-28 11:38:19 -07:00
zorro
Kconfig
Makefile Merge branch 'juju' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 2007-05-10 13:30:08 -07:00