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a490a07a67
kernel_optimize_test/drivers
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Mike Snitzer a490a07a67 dm mpath: allow table load with no priority groups 
This patch adjusts the multipath target to allow a table with both 0
priority groups and 0 for the initial priority group number.

If any mpath device is held open when all paths in the last priority
group have failed, userspace multipathd will attempt to reload the
associated DM table to reflect the fact that the device no longer has
any priority groups.  But the reload attempt always failed because the
multipath target did not allow 0 priority groups.

All multipath target messages related to priority group (enable_group,
disable_group, switch_group) will handle a priority group of 0 (will
cause error).

When reloading a multipath table with 0 priority groups, userspace
multipathd must be updated to specify an initial priority group number
of 0 (rather than 1).

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: Babu Moger <babu.moger@lsi.com>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2011-03-24 13:54:33 +00:00
..
accessibility
acpi acpi: tie ACPI backlight devices to PCI devices if possible 2011-03-22 17:44:00 -07:00
amba
ata Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2011-03-18 06:31:43 -07:00
atm Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2011-03-18 10:37:40 -07:00
auxdisplay
base
block Merge git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 2011-03-22 16:25:25 -07:00
bluetooth Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2011-03-18 10:37:40 -07:00
cdrom
char Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 2011-03-20 18:14:55 -07:00
clk
clocksource
connector
cpufreq
cpuidle
crypto
dca drivers/dca/dca-core.c: use list_move() instead of list_del()/list_add() combination 2011-03-22 17:44:12 -07:00
dio
dma Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx 2011-03-22 17:53:13 -07:00
edac Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2011-03-18 10:37:40 -07:00
eisa
firewire Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 2011-03-21 10:05:22 -07:00
firmware sigma-firmware: loader for Analog Devices' SigmaStudio 2011-03-22 17:44:15 -07:00
gpio Merge branch 'spi/next' of git://git.secretlab.ca/git/linux-2.6 2011-03-18 10:56:02 -07:00
gpu nouveau: change the backlight parent device to the connector, not the PCI dev 2011-03-22 17:43:59 -07:00
hid backlight: add backlight type 2011-03-22 17:43:59 -07:00
hwmon hwmon: (ads1015) Make gain and datarate configurable 2011-03-21 17:59:37 +01:00
hwspinlock
i2c Merge branch 'for-linus/2639/i2c-2' of git://git.fluff.org/bjdooks/linux 2011-03-22 10:05:27 -07:00
ide
idle
ieee802154
infiniband Merge branch 'kvm-updates/2.6.39' of git://git.kernel.org/pub/scm/virt/kvm/kvm 2011-03-17 18:40:35 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2011-03-19 22:27:06 -07:00
isdn Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 2011-03-20 18:14:55 -07:00
leds drivers/leds/leds-lp5523.c: world-writable engine* sysfs files 2011-03-22 17:43:59 -07:00
lguest
macintosh backlight: add backlight type 2011-03-22 17:43:59 -07:00
mca
md dm mpath: allow table load with no priority groups 2011-03-24 13:54:33 +00:00
media Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2011-03-19 22:27:06 -07:00
memstick
message Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 2011-03-20 18:14:55 -07:00
mfd Merge branch 'devel-stable' of master.kernel.org:/home/rmk/linux-2.6-arm 2011-03-17 19:08:06 -07:00
misc drivers/misc/pch_phub.c: add MODULE_DEVICE_TABLE 2011-03-22 17:44:11 -07:00
mmc drivers/mmc/host/omap_hsmmc.c: use resource_size() 2011-03-22 17:44:15 -07:00
mtd Merge branch 'linux-next' of git://git.infradead.org/ubifs-2.6 2011-03-18 10:50:27 -07:00
net zlib: slim down zlib_deflate() workspace when possible 2011-03-22 17:44:17 -07:00
nfc
nubus
of
oprofile
parisc
parport
pci Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 2011-03-18 10:56:44 -07:00
pcmcia
platform backlight: add backlight type 2011-03-22 17:43:59 -07:00
pnp pnp: only assign IORESOURCE_DMA if CONFIG_ISA_DMA_API is enabled 2011-03-22 17:44:16 -07:00
power
pps pps: remove unreachable code 2011-03-22 17:44:17 -07:00
ps3
rapidio rapidio: change to new flag variable 2011-03-17 14:05:35 +01:00
regulator
rtc rtc: add real-time clock driver for NVIDIA Tegra 2011-03-22 17:44:16 -07:00
s390 Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6 2011-03-17 17:54:40 -07:00
sbus
scsi sd: Fail discard requests when logical block provisioning has been disabled 2011-03-22 09:35:53 -07:00
sfi
sh
sn
spi Merge branch 'spi/next' of git://git.secretlab.ca/git/linux-2.6 2011-03-18 10:56:02 -07:00
ssb
staging backlight: add backlight type 2011-03-22 17:43:59 -07:00
target Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2011-03-18 10:37:40 -07:00
tc
telephony
thermal
tty tty: stop using "delayed_work" in the tty layer 2011-03-22 16:17:32 -07:00
uio
usb backlight: add backlight type 2011-03-22 17:43:59 -07:00
uwb
vhost
video kstrto*: converting strings to integers done (hopefully) right 2011-03-22 17:44:14 -07:00
virtio
vlynq
w1
watchdog Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2011-03-18 10:37:40 -07:00
xen Merge branch 'stable/xen.pm.bug-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen 2011-03-17 18:37:42 -07:00
zorro
Kconfig
Makefile