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NeilBrown efeb53c0e5 md: Allow md devices to be created by name. 
Using sequential numbers to identify md devices is somewhat artificial.
Using names can be a lot more user-friendly.

Also, creating md devices by opening the device special file is a bit
awkward.

So this patch provides a new option for creating and naming devices.

Writing a name such as "md_home" to
    /sys/modules/md_mod/parameters/new_array
will cause an array with that name to be created.  It will appear in
/sys/block/ /proc/partitions and /proc/mdstat as 'md_home'.
It will have an arbitrary minor number allocated.

md devices that a created by an open are destroyed on the last
close when the device is inactive.
For named md devices, they will not be destroyed until the array
is explicitly stopped, either with the STOP_ARRAY ioctl or by
writing 'clear' to /sys/block/md_XXXX/md/array_state.

The name of the array must start 'md_' to avoid conflict with
other devices.

Signed-off-by: NeilBrown <neilb@suse.de>
 		2009-01-09 08:31:10 +11:00
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accessibility
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acpi Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 2009-01-07 15:41:01 -08:00
amba
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ata fastboot: Make libata initialization even more async 2009-01-07 08:47:11 -08:00
atm
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auxdisplay
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base topology: Fix sparc64 build. 2009-01-07 15:34:47 -08:00
block Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6 2009-01-07 17:23:53 -08:00
bluetooth
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cdrom
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char Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6 2009-01-07 17:23:53 -08:00
clocksource Merge branch 'cpus4096-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-01-02 11:44:09 -08:00
connector
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cpufreq trivial: fix an -> a typos in documentation and comments 2009-01-06 11:28:07 +01:00
cpuidle
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crypto
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dca
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dio
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dma
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edac edac: driver for i5400 MCH (update) 2009-01-06 15:59:30 -08:00
eisa
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firewire firewire: reorder struct fw_card for better cache efficiency 2009-01-04 23:50:38 +01:00
firmware Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6 2009-01-06 17:02:07 -08:00
gpio Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6 2009-01-06 17:02:07 -08:00
gpu trivial: replace last usages of __FUNCTION__ in kernel 2009-01-07 15:48:54 -08:00
hid Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6 2009-01-07 15:37:24 -08:00
hwmon Merge branch 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6 2009-01-07 11:59:51 -08:00
i2c Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6 2009-01-07 15:37:24 -08:00
ide scc_pata: make use of scc_dma_sff_read_status() 2009-01-06 17:21:02 +01:00
idle i7300_idle: struct device - replace bus_id with dev_name(), dev_set_name() 2009-01-06 10:44:39 -08:00
ieee1394 ieee1934: dv1394: interrupt enabling/disabling broken on big-endian 2009-01-04 23:50:36 +01:00
infiniband Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-01-07 11:31:52 -08:00
input Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6 2009-01-07 11:59:27 -08:00
isdn ISDN: struct device - replace bus_id with dev_name(), dev_set_name() 2009-01-06 10:44:39 -08:00
leds
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lguest lguest: do not statically allocate root device 2009-01-06 10:44:34 -08:00
macintosh Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-01-07 11:31:52 -08:00
mca
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md md: Allow md devices to be created by name. 2009-01-09 08:31:10 +11:00
media Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6 2009-01-07 17:22:04 -08:00
memstick memstick: struct device - replace bus_id with dev_name(), dev_set_name() 2009-01-06 10:44:38 -08:00
message Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-01-07 11:31:52 -08:00
mfd mfd: Fix section mismatch in da903x 2009-01-04 15:31:49 +01:00
misc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-01-07 11:31:52 -08:00
mmc Merge branches 'fixes', 'cleanups' and 'boards' 2009-01-07 11:05:42 +01:00
mtd Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-01-07 11:31:52 -08:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6 2009-01-07 17:23:53 -08:00
nubus
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of
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oprofile zero i_uid/i_gid on inode allocation 2009-01-05 11:54:28 -05:00
parisc PCI: parisc: use generic pci_swizzle_interrupt_pin() 2009-01-07 11:12:55 -08:00
parport parport: ieee1284: use del_timer_sync() in parport_wait_event() 2009-01-06 15:59:31 -08:00
pci PCI PM: Put PM callbacks in the order of execution 2009-01-07 11:19:43 -08:00
pcmcia
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pnp pnp: struct device - replace bus_id with dev_name(), dev_set_name() 2009-01-06 10:44:38 -08:00
power power-supply: struct device - replace bus_id with dev_name(), dev_set_name() 2009-01-06 10:44:38 -08:00
ps3
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rapidio rapidio: remove excess kernel-doc notation 2009-01-06 15:59:28 -08:00
regulator mfd: Support configurable numbers of DCDCs and ISINKs on WM8350 2009-01-04 12:17:42 +01:00
rtc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-01-07 11:31:52 -08:00
s390 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-01-07 11:31:52 -08:00
sbus sparc64: Fix unsigned long long warnings in drivers. 2009-01-06 13:20:38 -08:00
scsi Merge git://git.kernel.org/pub/scm/linux/kernel/git/arjan/linux-2.6-async 2009-01-07 15:35:47 -08:00
serial Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-01-07 11:31:52 -08:00
sh
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sn
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spi hwmon: (lm70) Code streamlining and cleanup 2009-01-07 16:37:34 +01:00
ssb
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staging Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6 2009-01-07 17:22:04 -08:00
tc
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telephony
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thermal thermal: struct device - replace bus_id with dev_name(), dev_set_name() 2009-01-06 10:44:37 -08:00
uio UIO: Pass information about ioports to userspace (V2) 2009-01-06 10:44:44 -08:00
usb USB: add siemens_mpi usb-serial "stub" driver 2009-01-07 10:00:13 -08:00
uwb trivial: Fix misspelling of "firmware" in usb.c 2009-01-06 11:28:09 +01:00
video Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-01-07 11:31:52 -08:00
virtio virtio: do not statically allocate root device 2009-01-06 10:44:34 -08:00
w1 w1: struct device - replace bus_id with dev_name(), dev_set_name() 2009-01-06 10:44:34 -08:00
watchdog [WATCHDOG] Add support for the WM8350 watchdog 2008-12-31 16:12:54 +00:00
xen xen: struct device - replace bus_id with dev_name(), dev_set_name() 2009-01-06 10:44:34 -08:00
zorro
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Kconfig
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Makefile USB: move isp1301_omap to drivers/usb/otg 2009-01-07 10:00:02 -08:00