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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/Documentation
История
David Howells 12debc4248 iget: remove iget() and the read_inode() super op as being obsolete 
Remove the old iget() call and the read_inode() superblock operation it uses
as these are really obsolete, and the use of read_inode() does not produce
proper error handling (no distinction between ENOMEM and EIO when marking an
inode bad).

Furthermore, this removes the temptation to use iget() to find an inode by
number in a filesystem from code outside that filesystem.

iget_locked() should be used instead.  A new function is added in an earlier
patch (iget_failed) that is to be called to mark an inode as bad, unlock it
and release it should the get routine fail.  Mark iget() and read_inode() as
being obsolete and remove references to them from the documentation.

Typically a filesystem will be modified such that the read_inode function
becomes an internal iget function, for example the following:

	void thingyfs_read_inode(struct inode *inode)
	{
		...
	}

would be changed into something like:

	struct inode *thingyfs_iget(struct super_block *sp, unsigned long ino)
	{
		struct inode *inode;
		int ret;

		inode = iget_locked(sb, ino);
		if (!inode)
			return ERR_PTR(-ENOMEM);
		if (!(inode->i_state & I_NEW))
			return inode;

		...
		unlock_new_inode(inode);
		return inode;
	error:
		iget_failed(inode);
		return ERR_PTR(ret);
	}

and then thingyfs_iget() would be called rather than iget(), for example:

	ret = -EINVAL;
	inode = iget(sb, ino);
	if (!inode || is_bad_inode(inode))
		goto error;

becomes:

	inode = thingyfs_iget(sb, ino);
	if (IS_ERR(inode)) {
		ret = PTR_ERR(inode);
		goto error;
	}

Note that is_bad_inode() does not need to be called.  The error returned by
thingyfs_iget() should render it unnecessary.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2008-02-07 08:42:29 -08:00
..
ABI Documentation: create new scheduler/ subdirectory 2008-02-07 08:42:17 -08:00
DocBook Add chapter IDs to z8530book.tmpl 2008-02-07 08:42:17 -08:00
RCU Preempt-RCU: update RCU Documentation. 2008-01-25 21:08:25 +01:00
accounting make getdelays cgroupstats aware 2007-11-14 18:45:38 -08:00
aoe
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arm fix typo 'the same the\>' 2008-02-03 14:59:11 +02:00
auxdisplay
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blackfin
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block
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cdrom
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connector
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console
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controllers update Documentation/controller/memory.txt 2008-02-07 08:42:22 -08:00
cpu-freq [ARM] pxa: add cpufreq support 2008-01-26 15:07:52 +00:00
cris
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crypto [CRYPTO] doc: Update api-intro.txt 2008-01-11 08:16:14 +11:00
device-mapper dm: uevent generate events 2007-10-20 02:01:26 +01:00
driver-model Driver core: Update some prototypes in platform.txt 2008-02-02 15:14:49 -08:00
dvb V4L/DVB (7077): bt878: remove handcrafted PCI subsystem ID check 2008-01-25 19:05:22 -02:00
early-userspace
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fault-injection
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fb fb: defio nopage 2008-02-06 10:41:15 -08:00
filesystems iget: remove iget() and the read_inode() super op as being obsolete 2008-02-07 08:42:29 -08:00
firmware_class
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frv move frv docs one level up 2008-02-03 15:54:28 +02:00
hrtimer
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hrtimers
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hwmon hwmon: Add power meter spec to Documentation/hwmon/sysfs-interface 2007-11-08 08:42:45 -05:00
i2c deprecate obsolete pca9539 driver 2008-02-05 09:44:13 -08:00
i2o
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i386 x86 boot: document for 32 bit boot protocol 2007-10-30 00:22:22 +01:00
ia64 [IA64] aliasing-test: fix gcc warnings on non-ia64 2008-02-04 15:23:10 -08:00
ide ide-tape: move historical changelog to Documentation/ide/ChangeLog.ide-tape.1995-2002 2008-02-02 19:56:48 +01:00
infiniband
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input typo fixes 2007-10-20 01:34:40 +02:00
ioctl
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isdn spelling fixes: Documentation/ 2007-10-20 01:30:25 +02:00
ja_JP Add ja_JP translation of stable_kernel_rules.txt 2008-02-02 15:14:48 -08:00
kbuild kconfig: document use of HAVE_* 2008-01-28 23:21:19 +01:00
kdump
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ko_KR HOWTO: update misspelling and word incorrected 2007-12-17 10:33:19 -08:00
lguest virtio: reset function 2008-02-04 23:50:03 +11:00
m68k [SCSI] 53c7xx: fix removal fallout 2008-01-11 18:22:30 -06:00
make
…
mips [MIPS] remove Documentation/mips/GT64120.README 2008-01-29 10:15:05 +00:00
namespaces The namespaces compatibility list doc 2007-11-29 09:24:53 -08:00
netlabel
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networking Documentation: "decnet=" should read "decnet.addr=". 2008-02-03 15:18:45 +02:00
parisc
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pcmcia pcmcia: replace kio_addr_t with unsigned int everywhere 2008-02-05 09:44:08 -08:00
power PM: Remove obsolete /sys/devices/.../power/state docs 2008-02-01 18:30:59 -05:00
powerpc [POWERPC] fsl_spi: stop using device_type = "spi" 2008-01-28 08:32:58 -06:00
s390 [S390] cio: Dump ccw device information in case of timeout. 2008-01-26 14:10:55 +01:00
scheduler Documentation: create new scheduler/ subdirectory 2008-02-07 08:42:17 -08:00
scsi [SCSI] aacraid: add Voodoo Lite class of cards. 2008-01-23 11:29:34 -06:00
serial
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sh
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sound [ALSA] hda-codec - Add Dell T3400 support 2008-01-31 17:30:22 +01:00
sparc
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spi
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sysctl oom: add sysctl to enable task memory dump 2008-02-07 08:42:19 -08:00
telephony
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uml
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usb USB: add Printer Gadget Driver 2008-02-01 14:34:49 -08:00
video4linux V4L/DVB (7043): New card supported(partially): Pinnacle 800i 2008-01-25 19:05:06 -02:00
vm kset: move /sys/slab to /sys/kernel/slab 2008-01-24 20:40:16 -08:00
w1 w1-gpio: add GPIO w1 bus master driver 2008-02-06 10:41:15 -08:00
watchdog [WATCHDOG] clarify watchdog operation in documentation 2008-01-18 21:23:05 +00:00
x86_64 documentation: add Documentation/x86-64/00-INDEX 2008-02-04 16:48:02 +01:00
zh_CN Chinese: add translation of Codingstyle 2008-01-24 20:40:04 -08:00
00-INDEX Documentation: create new scheduler/ subdirectory 2008-02-07 08:42:17 -08:00
BUG-HUNTING Documentation: add hint about call traces & module symbols to BUG-HUNTING 2008-02-06 10:41:09 -08:00
Changes
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CodingStyle
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DMA-API.txt
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DMA-ISA-LPC.txt
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DMA-mapping.txt
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HOWTO
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IO-mapping.txt
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IPMI.txt
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IRQ-affinity.txt
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IRQ.txt
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Intel-IOMMU.txt Intel IOMMU: Iommu Gfx workaround 2007-10-22 08:13:19 -07:00
MSI-HOWTO.txt
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ManagementStyle
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PCIEBUS-HOWTO.txt
…
README.DAC960
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README.cycladesZ
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SAK.txt
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SM501.txt
…
SecurityBugs
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Smack.txt Smack: Simplified Mandatory Access Control Kernel 2008-02-05 09:44:20 -08:00
SubmitChecklist Documentation: Fix typo in SubmitChecklist. 2007-10-20 03:13:09 +02:00
SubmittingDrivers Update 2.4 maintainer in document 2007-10-20 02:02:12 +02:00
SubmittingPatches Documentation: mention email-clients.txt in SubmittingPatches 2008-02-03 18:06:58 +02:00
VGA-softcursor.txt
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applying-patches.txt
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atomic_ops.txt
…
basic_profiling.txt
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binfmt_misc.txt
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cachetlb.txt
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cciss.txt
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cgroups.txt cgroups: move cgroups destroy() callbacks to cgroup_diput() 2008-02-07 08:42:18 -08:00
cli-sti-removal.txt
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computone.txt
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cpqarray.txt
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cpu-hotplug.txt [S390] Get rid of additional_cpus kernel parameter. 2008-01-26 14:11:15 +01:00
cpu-load.txt
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cpusets.txt cpusets: update_cpumask documentation fix 2008-02-07 08:42:23 -08:00
cputopology.txt
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dcdbas.txt
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debugging-modules.txt Documentation: Clarify when module debugging actually works. 2008-02-03 15:27:38 +02:00
debugging-via-ohci1394.txt x86: early boot debugging via FireWire (ohci1394_dma=early) 2008-01-30 13:34:11 +01:00
dell_rbu.txt
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devices.txt typo fixes 2007-10-20 01:34:40 +02:00
digiepca.txt
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dontdiff [SCSI] 53c7xx: fix removal fallout 2008-01-11 18:22:30 -06:00
edac.txt move edac.txt two levels up 2008-02-07 08:42:17 -08:00
eisa.txt
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email-clients.txt email-clients.txt: sylpheed is OK at IMAP 2008-02-07 08:42:17 -08:00
exception.txt
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feature-removal-schedule.txt scheduled OSS driver removal 2008-02-06 10:41:02 -08:00
floppy.txt
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gpio.txt gpiolib: update Documentation/gpio.txt 2008-02-05 09:44:13 -08:00
hayes-esp.txt
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highuid.txt
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hpet.txt
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hw_random.txt
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ide.txt ide: remove broken disk byte-swapping support 2008-01-26 20:13:09 +01:00
initrd.txt use the newc archive format as requested by initramfs 2008-02-03 14:54:41 +02:00
io_ordering.txt
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ioctl-number.txt ocfs2: Reserve ioctl range 2008-01-25 14:48:57 -08:00
iostats.txt
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irqflags-tracing.txt
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isapnp.txt
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java.txt Documentation/java.txt: typo and grammar fixes 2007-10-20 02:37:21 +02:00
kernel-doc-nano-HOWTO.txt
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kernel-docs.txt typo fixes 2007-10-20 01:34:40 +02:00
kernel-parameters.txt ide-pci-generic: kill the unused ifdef/endif/MODULE code 2008-02-06 02:57:49 +01:00
keys-request-key.txt
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keys.txt
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kobject.txt kobject: update the kobject/kset documentation 2008-01-24 20:40:41 -08:00
kprobes.txt kprobes: kretprobe user entry-handler 2008-02-06 10:41:11 -08:00
kref.txt docs: convert kref semaphore to mutex 2008-02-06 10:41:09 -08:00
laptop-mode.txt
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ldm.txt
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leds-class.txt
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local_ops.txt Revert "local_t Documentation update" 2008-01-17 15:38:59 -08:00
lockdep-design.txt
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lockstat.txt
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logo.gif
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logo.txt
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magic-number.txt
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markers.txt Linux Kernel Markers: document format string 2007-11-14 18:45:40 -08:00
mca.txt
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md.txt md: allow a maximum extent to be set for resyncing 2008-02-06 10:41:18 -08:00
memory-barriers.txt
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memory-hotplug.txt memory hotplug: document the memory hotplug notifier 2007-10-22 08:13:17 -07:00
memory.txt
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mono.txt
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moxa-smartio
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mtrr.txt
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mutex-design.txt Documentation: Add nested versions of mutex locks to docs 2007-10-20 00:15:26 +02:00
nbd.txt
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nfsroot.txt [IPV4] ipconfig: Fix regression in ip command line processing 2008-01-08 23:29:58 -08:00
nmi_watchdog.txt
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nommu-mmap.txt
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numastat.txt
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oops-tracing.txt
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paride.txt
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parport-lowlevel.txt plip: fix parport_register_device name parameter 2007-11-26 19:39:01 -08:00
parport.txt
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pci-error-recovery.txt
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pci.txt PCI: Remove pci_enable_device_bars() from documentation 2008-02-01 15:04:28 -08:00
pcieaer-howto.txt
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pi-futex.txt
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pm.txt
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pm_qos_interface.txt pm qos infrastructure and interface 2008-02-05 09:44:22 -08:00
pnp.txt Documentation: Replace obsolete "driverfs" with "sysfs". 2008-01-24 20:40:04 -08:00
power_supply_class.txt power_supply: add few more values and props 2008-02-02 02:43:00 +03:00
preempt-locking.txt
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prio_tree.txt
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ramdisk.txt
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rbtree.txt
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rfkill.txt
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riscom8.txt
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robust-futex-ABI.txt
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robust-futexes.txt
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rocket.txt
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rpc-cache.txt
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rt-mutex-design.txt
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rt-mutex.txt
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rtc.txt rtc: cleanup example code 2008-02-06 10:41:14 -08:00
serial-console.txt
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sgi-ioc4.txt
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sgi-visws.txt
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smart-config.txt
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sony-laptop.txt
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sonypi.txt
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sparse.txt
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specialix.txt
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spinlocks.txt
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stable_api_nonsense.txt
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stable_kernel_rules.txt
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stallion.txt
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svga.txt
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sx.txt
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sysfs-rules.txt
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sysrq.txt
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thinkpad-acpi.txt ACPI: thinkpad-acpi: bump up version to 0.17 2007-11-05 13:07:11 -05:00
tty.txt termios: document callback more clearly 2007-11-29 09:24:52 -08:00
unaligned-memory-access.txt Documentation about unaligned memory access 2008-02-06 10:41:07 -08:00
unicode.txt
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unshare.txt
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video-output.txt
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volatile-considered-harmful.txt
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voyager.txt
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zorro.txt
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README.cycladesZ 

The Cyclades-Z must have firmware loaded onto the card before it will
operate.  This operation should be performed during system startup,

The firmware, loader program and the latest device driver code are
available from Cyclades at
    ftp://ftp.cyclades.com/pub/cyclades/cyclades-z/linux/