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linux-stable/drivers
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NeilBrown e2d5992522 md/raid1,raid10: use freeze_array in place of raise_barrier in various places. 
Various places in raid1 and raid10 are calling raise_barrier when they
really should call freeze_array.
The former is only intended to be called from "make_request".
The later has extra checks for 'nr_queued' and makes a call to
flush_pending_writes(), so it is safe to call it from within the
management thread.

Using raise_barrier will sometimes deadlock.  Using freeze_array
should not.

As 'freeze_array' currently expects one request to be pending (in
handle_read_error - the only previous caller), we need to pass
it the number of pending requests (extra) to ignore.

The deadlock was made particularly noticeable by commits
050b66152f (raid10) and 6b740b8d79 (raid1) which
appeared in 3.4, so the fix is appropriate for any -stable
kernel since then.

This patch probably won't apply directly to some early kernels and
will need to be applied by hand.

Cc: stable@vger.kernel.org
Reported-by: Alexander Lyakas <alex.bolshoy@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
2013-06-13 13:40:48 +10:00
..
accessibility
acpi PCI updates for v3.9: 2013-04-05 19:29:36 -07:00
amba ARM: 7675/1: amba: tegra-ahb: Fix build error w/ PM_SLEEP w/o PM_RUNTIME 2013-03-15 17:20:02 +00:00
ata [libata] Fix HDIO_DRIVE_* ioctl() Linux 3.9 regression 2013-04-03 19:48:49 -04:00
atm
auxdisplay
base regmap: Back out work buffer fix 2013-04-09 18:03:25 +01:00
bcma
block Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 2013-04-17 12:52:02 -07:00
bluetooth Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth 2013-03-18 15:17:11 -04:00
bus
cdrom
char vm: convert HPET mmap to vm_iomap_memory() helper 2013-04-19 09:46:39 -07:00
clk clk: tegra: Allow PLLE training to succeed 2013-04-01 11:44:38 -07:00
clocksource
connector
cpufreq cpufreq / intel_pstate: Set timer timeout correctly 2013-04-08 22:09:23 +02:00
cpuidle
crypto crypto: ux500 - add missing comma 2013-04-05 21:02:17 +08:00
dca
devfreq
dio
dma dmaengine: at_hdmac: fix race condition in atc_advance_work() 2013-04-18 08:54:22 -07:00
edac EDAC: Merge mci.mem_is_per_rank with mci.csbased 2013-03-16 06:32:30 +01:00
eisa EISA/PCI: Init EISA early, before PNP 2013-04-01 12:02:05 -06:00
extcon extcon: max77693: Initialize register of MUIC device to bring up it without platform data 2013-03-13 17:38:57 +09:00
firewire
firmware Move utf16 functions to kernel core and rename 2013-04-15 21:23:03 +01:00
gpio gpio: pca953x: fix irq_domain_add_simple usage 2013-04-11 19:01:19 +02:00
gpu drm/fb-helper: Fix locking in drm_fb_helper_hotplug_event 2013-04-12 14:21:12 +10:00
hid HID: magicmouse: fix race between input_register() and probe() 2013-04-04 09:49:56 +02:00
hsi
hv
hwmon hwmon: (lm75.h) Update header inclusion 2013-03-18 21:19:49 +01:00
hwspinlock hwspinlock: fix __hwspin_lock_request error path 2013-04-05 17:45:11 +03:00
i2c ACPI / I2C: Use parent's ACPI_HANDLE() in acpi_i2c_register_devices() 2013-04-02 15:30:41 +02:00
ide
idle intel_idle: additional Haswell CPU-id 2013-03-15 10:55:31 -04:00
iio First round of iio fixes post the 3.9 merge window. 2013-03-06 05:48:24 +08:00
infiniband firmware,IB/qib: revert firmware file move 2013-04-05 12:19:39 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2013-04-19 09:15:13 -07:00
iommu IOMMU fixes for Linux v3.9-rc4 2013-03-27 09:25:11 -07:00
ipack
irqchip irqchip: gic: fix irq_trigger return 2013-03-26 20:52:25 +01:00
isdn isdn: hisax: netjet requires VIRT_TO_BUS 2013-03-17 12:01:10 -04:00
leds
lguest
macintosh
mailbox mailbox, pl320-ipc: remove __init from probe function 2013-03-04 14:23:11 +01:00
md md/raid1,raid10: use freeze_array in place of raise_barrier in various places. 2013-06-13 13:40:48 +10:00
media Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid 2013-04-04 08:40:45 -07:00
memory
memstick
message
mfd mfd: twl4030-madc: Remove __exit_p annotation 2013-03-15 07:42:22 +01:00
misc misc/vmw_vmci: Add dependency on CONFIG_NET 2013-04-03 11:53:39 -07:00
mmc
mtd mtdchar: remove no-longer-used vma helpers 2013-04-19 10:05:39 -07:00
net net: ax88796: avoid 64 bit arithmetic 2013-04-19 17:57:48 -04:00
nfc NFC: microread: Fix build failure due to a new MEI bus API 2013-04-01 00:52:42 +02:00
ntb
nubus
of
oprofile fs: Limit sys_mount to only request filesystem modules. 2013-03-03 19:36:31 -08:00
parisc
parport
pci PCI/PM: Disable runtime PM of PCIe ports 2013-04-03 15:54:59 -06:00
pcmcia
pinctrl Here are a few pinctrl fixes for the v3.9 rc series: 2013-03-24 10:11:29 -07:00
platform Merge branch 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86 2013-04-18 15:14:34 -07:00
pnp ACPI / glue: Add .match() callback to struct acpi_bus_type 2013-03-04 14:23:40 +01:00
power
pps
ps3
ptp
pwm
rapidio
regulator Merge remote-tracking branch 'regulator/fix/twl' into tmp 2013-03-05 10:12:43 +08:00
remoteproc remoteproc: fix FW_CONFIG typo 2013-04-07 15:11:27 +03:00
rpmsg
rtc Revert "drivers/rtc/rtc-at91rm9200.c: use a variable for storing IMR" 2013-04-05 09:36:53 -07:00
s390 qeth: fix qeth_wait_for_threads() deadlock for OSN devices 2013-04-08 17:16:57 -04:00
sbus bbc_i2c: fix section mismatch warning 2013-03-31 19:29:12 -04:00
scsi [SCSI] lpfc: fix potential NULL pointer dereference in lpfc_sli4_rq_put() 2013-04-11 14:17:15 -07:00
sfi
sh
sn
spi spi: Fixes for v3.9 2013-04-05 10:04:41 -07:00
ssb ssb: implement spurious tone avoidance 2013-04-10 10:31:26 -04:00
staging staging: comedi: s626: fix continuous acquisition 2013-03-25 11:35:38 -07:00
target target: Fix incorrect fallthrough of ALUA Standby/Offline/Transition CDBs 2013-04-11 01:48:49 -07:00
tc
thermal thermal: exynos_thermal: return a proper error code while thermal_zone_device_register fail. 2013-03-11 23:09:29 +08:00
tty tty: mxser: fix cycle termination condition in mxser_probe() and mxser_module_init() 2013-04-08 11:30:04 -07:00
uio
usb USB / PM: Don't try to hide PM QoS flags from usb_port_device_release() 2013-04-02 01:25:09 +02:00
uwb
vfio vfio-pci: Fix possible integer overflow 2013-03-26 11:33:16 -06:00
vhost Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2013-04-12 15:26:42 -07:00
video vm: convert fb_mmap to vm_iomap_memory() helper 2013-04-19 09:57:35 -07:00
virt
virtio
vlynq
vme
w1 w1: fix oops when w1_search is called from netlink connector 2013-03-12 16:20:46 -07:00
watchdog watchdog: Revert the AT91RM9200_WATCHDOG dependency 2013-04-14 09:09:10 +02:00
xen Bug-fixes: 2013-04-10 15:57:33 -07:00
zorro
Kconfig
Makefile