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NeilBrown 7ecaa1e6a1 [PATCH] md: Infrastructure to allow normal IO to continue while array is expanding 
We need to allow that different stripes are of different effective sizes, and
use the appropriate size.  Also, when a stripe is being expanded, we must
block any IO attempts until the stripe is stable again.

Key elements in this change are:
 - each stripe_head gets a 'disk' field which is part of the key,
   thus there can sometimes be two stripe heads of the same area of
   the array, but covering different numbers of devices.  One of these
   will be marked STRIPE_EXPANDING and so won't accept new requests.
 - conf->expand_progress tracks how the expansion is progressing and
   is used to determine whether the target part of the array has been
   expanded yet or not.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-27 08:45:01 -08:00
..
acorn
acpi [PATCH] more s/fucn/func/ typo fixes 2006-03-26 08:57:09 -08:00
amba
atm Merge master.kernel.org:/pub/scm/linux/kernel/git/sam/kbuild 2006-03-25 08:48:48 -08:00
base [PATCH] Notifier chain update: API changes 2006-03-27 08:44:50 -08:00
block [PATCH] mempool: use mempool_create_slab_pool() 2006-03-26 08:57:00 -08:00
bluetooth
cdrom [PATCH] Remove MODULE_PARM 2006-03-25 08:22:52 -08:00
char [PATCH] RTC subsystem: ARM cleanup 2006-03-27 08:44:50 -08:00
connector
cpufreq [PATCH] Notifier chain update: API changes 2006-03-27 08:44:50 -08:00
crypto
dio [PATCH] hp300: fix driver_register() return handling, remove dio_module_init() 2006-03-25 08:22:53 -08:00
edac [PATCH] EDAC: use EXPORT_SYMBOL_GPL 2006-03-26 08:57:08 -08:00
eisa [PATCH] EISA: Ignore generated file drivers/eisa/devlist.h 2006-03-25 08:23:01 -08:00
fc4
firmware [PATCH] Notifier chain update: API changes 2006-03-27 08:44:50 -08:00
hwmon [PATCH] s/;;/;/g 2006-03-24 07:33:24 -08:00
i2c [PATCH] RTC subsystem: I2C cleanup 2006-03-27 08:44:51 -08:00
ide [PATCH] ide: fix section mismatch warning 2006-03-25 08:22:53 -08:00
ieee1394 [PATCH] bitops: hweight() related cleanup 2006-03-26 08:57:15 -08:00
infiniband IPoIB: P_Key change event handling 2006-03-24 15:47:30 -08:00
input Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2006-03-26 09:41:18 -08:00
isdn Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2006-03-26 09:41:18 -08:00
macintosh [PATCH] Notifier chain update: API changes 2006-03-27 08:44:50 -08:00
mca
md [PATCH] md: Infrastructure to allow normal IO to continue while array is expanding 2006-03-27 08:45:01 -08:00
media Merge master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb 2006-03-25 08:37:36 -08:00
message [PATCH] mempool: use mempool_create_slab_pool() 2006-03-26 08:57:00 -08:00
mfd [PATCH] show MCP menu only on ARCH_SA1100 2006-03-24 07:33:28 -08:00
misc [PATCH] Notifier chain update: API changes 2006-03-27 08:44:50 -08:00
mmc [PATCH] Remove MODULE_PARM 2006-03-25 08:22:52 -08:00
mtd Kconfig help: MTD_JEDECPROBE already supports Intel 2006-03-26 19:15:03 +02:00
net [PATCH] pnp: IRDA: adjust pnp_register_driver signature 2006-03-27 08:44:53 -08:00
nubus
oprofile
parisc [PATCH] Notifier chain update: API changes 2006-03-27 08:44:50 -08:00
parport [PATCH] pnp: parport: adjust pnp_register_driver signature 2006-03-27 08:44:52 -08:00
pci [PATCH] sem2mutex: misc static one-file mutexes 2006-03-26 08:56:55 -08:00
pcmcia
pnp [PATCH] pnp: PNP: adjust pnp_register_driver signature 2006-03-27 08:44:53 -08:00
rapidio
rtc [PATCH] RTC subsystem: M48T86 driver 2006-03-27 08:44:52 -08:00
s390 Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2006-03-26 09:41:18 -08:00
sbus
scsi [PATCH] Notifier chain update: API changes 2006-03-27 08:44:50 -08:00
serial Merge master.kernel.org:/home/rmk/linux-2.6-serial 2006-03-25 20:31:32 -08:00
sh
sn
spi
tc
telephony [PATCH] sem2mutex: misc static one-file mutexes 2006-03-26 08:56:55 -08:00
usb [PATCH] Notifier chain update: API changes 2006-03-27 08:44:50 -08:00
video [PATCH] video/sis/init301.c:SiS_ChrontelDoSomething2(): remove dead code 2006-03-27 08:44:58 -08:00
w1 fix typos "wich" -> "which" 2006-03-24 18:23:14 +01:00
zorro [PATCH] amiga: fix driver_register() return handling, remove zorro_module_init() 2006-03-25 08:22:53 -08:00
Kconfig [PATCH] RTC Subsystem: library functions 2006-03-27 08:44:50 -08:00
Makefile [PATCH] RTC Subsystem: library functions 2006-03-27 08:44:50 -08:00