summaryrefslogtreecommitdiff
AgeCommit message (Collapse)Author
2010-06-27Merge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6Linus Torvalds
* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6: NFSv4: Fix an embarassing typo in encode_attrs() NFSv4: Ensure that /proc/self/mountinfo displays the minor version number NFSv4.1: Ensure that we initialise the session when following a referral SUNRPC: Fix a re-entrancy bug in xs_tcp_read_calldir() nfs4 use mandatory attribute file type in nfs4_get_root
2010-06-27Merge branch 'sh/for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 * 'sh/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: clocksource: sh_cmt: Fix up bogus shift value. arch/sh/mm: Eliminate a double lock sh: Fix up IORESOURCE_PCI_FIXED usage in pcibios_fixup_device_resources(). sh: remove duplicated #include
2010-06-27Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: MAINTAINERS - Add an entry for the input MT protocol Input: wacom - fix serial number handling on Cintiq 21UX2 Input: fixup X86_MRST selects Input: sysrq - fix "stuck" SysRq mode Input: ad7877 - fix spi word size to 16 bit Input: pcf8574_keypad - fix off by one in pcf8574_kp_irq_handler()
2010-06-27Merge branch 'for_linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6: ext3: update ctime when changing the file's permission by setfacl ext2: update ctime when changing the file's permission by setfacl
2010-06-27Merge branch 'virtio' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6 * 'virtio' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6: virtio-pci: disable msi at startup virtio: return ENOMEM on out of memory
2010-06-27Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: PCI/PM: Do not use native PCIe PME by default
2010-06-27Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: usb/endpoint, fix dangling pointer use ALSA: asihpi - Get rid of incorrect "long" types and casts. ASoC: DaVinci: Fix McASP hardware FIFO configuration ALSA: hda - Fix line-in for mb5 model MacBook (Pro) 5,1 / 5,2 ALSA: usb-audio: fix UAC2 control value queries ALSA: usb-audio: parse UAC2 sample rate ranges correctly ALSA: usb-audio: fix control messages for USB_RECIP_INTERFACE ALSA: usb-audio: add check for faulty clock in parse_audio_format_rates_v2() ALSA: hda - Don't check capture source mixer if no ADC is available
2010-06-27Merge branch 'hwmon-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging * 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: hwmon: (k8temp) Bypass core swapping on single-core processors hwmon: (i5k_amb) Fix sysfs attribute for lockdep hwmon: (k10temp) Do not blacklist known working CPU models
2010-06-27Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdogLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: watchdog: at32ap700x_wdt: register misc device last in probe() function watchdog: [PATCH 3/3] imx2_wdt: fix section mismatch
2010-06-27Merge git://git.infradead.org/iommu-2.6Linus Torvalds
* git://git.infradead.org/iommu-2.6: intel-iommu: Force-disable IOMMU for iGFX on broken Cantiga revisions. intel-iommu: Fix double lock in get_domain_for_dev() intel-iommu: Fix reference by physical address in intel_iommu_attach_device()
2010-06-27Merge branch 'for-linus' of git://gitorious.org/linux-omap-dss2/linuxLinus Torvalds
* 'for-linus' of git://gitorious.org/linux-omap-dss2/linux: OMAP: OMAPFB: fix rfbi.c compile error OMAPFB: LCDC: change update_mode to DISABLED when going suspend
2010-06-27Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: MAINTAINERS: change mailing list address for CIFS cifs: remove bogus first_time check in NTLMv2 session setup code cifs: don't call cifs_new_fileinfo unless cifs_open succeeds cifs: don't ignore cifs_posix_open_inode_helper return value cifs: clean up arguments to cifs_open_inode_helper cifs: pass instantiated filp back after open call cifs: move cifs_new_fileinfo call out of cifs_posix_open cifs: implement drop_inode superblock op cifs: don't attempt busy-file rename unless it's in same directory
2010-06-27Merge branch 'merge' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds
* 'merge' of git://git.secretlab.ca/git/linux-2.6: powerpc/5200: fix lite5200 ethernet phy address powerpc/5200: Fix build error in sound code. powerpc/5200: fix oops during going to standby powerpc/5200: add lite5200 onboard I2C eeprom and flash maintainers: Add git trees for SPI and device tree of: Drop properties with "/" in their name
2010-06-27Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha-2.6: alpha: Fix de2104x driver failing to readout MAC address correctly alpha: Detect Super IO chip, no IDE on Avanti, enable EPP19 alpha: fix pci_mmap_resource API breakage alpha: fix __arch_hweight32 typo
2010-06-27Merge branch 'merge' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc: Fix mpic_resume on early G5 macs powerpc: rtas_flash needs to use rtas_data_buf powerpc: Unconditionally enabled irq stacks powerpc/kexec: Wait for online/possible CPUs only. powerpc: Disable CONFIG_SYSFS_DEPRECATED powerpc/boot: Remove addRamdisk.c since it is now unused powerpc: Move kdump default base address to 64MB on 64bit powerpc: Remove dead CONFIG_HIGHPTE powerpc/fsl-booke: Move loadcam_entry back to asm code to fix SMP ftrace powerpc/fsl-booke: Fix InstructionTLBError execute permission check
2010-06-27Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: TPM: ReadPubEK output struct fix
2010-06-27Merge branch 'rc-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 * 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: kbuild: fix LOCALVERSION handling to match description kbuild: Fix modpost segfault
2010-06-27Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: ACPI / PM: Do not enable GPEs for system wakeup in advance ACPICA: Truncate I/O addresses to 16 bits for Windows compatibility ACPICA: Limit maximum time for Sleep() operator ACPICA: Fix namestring associated with AE_NO_HANDLER exception ACPI / ACPICA: Fix sysfs GPE interface ACPI / ACPICA: Fix GPE initialization ACPI / ACPICA: Avoid writing full enable masks to GPE registers ACPI / ACPICA: Fix low-level GPE manipulation code ACPI / ACPICA: Use helper function for computing GPE masks ACPI / ACPICA: Do not attempt to disable GPE when installing handler ACPI: Disable Vista compatibility for Sony VGN-NS50B_L ACPI: fan: fix unbalanced code block ACPI: Store NVS state even when entering suspend to RAM suspend: Move NVS save/restore code to generic suspend functionality ACPI: Do not try to set up acpi processor stuff on cores exceeding maxcpus= ACPI: acpi_pad: Don't needlessly mark LAPIC unstable
2010-06-27KEYS: Propagate error code instead of returning -EINVALDan Carpenter
This is from a Smatch check I'm writing. strncpy_from_user() returns -EFAULT on error so the first change just silences a warning but doesn't change how the code works. The other change is a bug fix because install_thread_keyring_to_cred() can return a variety of errors such as -EINVAL, -EEXIST, -ENOMEM or -EKEYREVOKED. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-06-27vhost: break out of polling loop on errorMichael S. Tsirkin
When ring parsing fails, we currently handle this as ring empty condition. This means that we enable kicks and recheck ring empty: if this not empty, we re-start polling which of course will fail again. Instead, let's return a negative error code and stop polling. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-06-26phylib: Add autoload support for the LXT973 phy.David Woodhouse
Commit e13647c1 (phylib: Add support for the LXT973 phy.) added a new ID but neglected to also add it to the MODULE_DEVICE_TABLE. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-26ISDN: hysdn, fix potential NULL dereferenceJiri Slaby
Stanse found that lp is dereferenced earlier than checked for being NULL in hysdn_rx_netpkt. Move the initialization below the test. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Cc: Karsten Keil <isdn@linux-pingi.de> Cc: "David S. Miller" <davem@davemloft.net> Cc: Stephen Hemminger <shemminger@vyatta.com> Cc: Patrick McHardy <kaber@trash.net> Cc: netdev@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-26vxge: fix memory leak in vxge_alloc_msix() error pathMichal Schmidt
When pci_enable_msix() returned ret<0, entries and vxge_entries were leaked. While at it, use the centralized exit idiom in the function. Signed-off-by: Michal Schmidt <mschmidt@redhat.com> Acked-by: Ram Vepa <ram.vepa@exar.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-26Merge branch 'master' of /home/davem/src/GIT/linux-2.6/David S. Miller
2010-06-25isdn/gigaset: correct CAPI connection state storageTilman Schmidt
CAPI applications can handle several connections in parallel, so one connection state per application isn't sufficient. Store the connection state in the channel structure instead. Impact: bugfix Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25isdn/gigaset: encode HLC and BC togetherTilman Schmidt
Adapt to buggy device firmware which accepts setting HLC only in the same command line as BC, by encoding HLC and BC in a single command if both are specified, and rejecting HLC without BC. Impact: bugfix Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25isdn/gigaset: correct CAPI DATA_B3 Delivery ConfirmationTilman Schmidt
The Gigaset CAPI driver handled all DATA_B3_REQ messages as if the Delivery Confirmation flag bit was set, delaying the emission of the DATA_B3_CONF reply until the data was actually transmitted. Some CAPI applications (notably Asterisk) aren't happy with that behaviour. Change it to actually evaluate the Delivery Confirmation flag as described the CAPI specification. Impact: bugfix Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25isdn/gigaset: correct CAPI voice connection encodingTilman Schmidt
Make the Gigaset CAPI driver select L2_VOICE (AT^SBPR=2) as the layer 2 encoding for transparent connections, like the ISDN4Linux variant. L2_BITSYNC (AT^SBPR=0) mutes internal connections and distorts external ones. Impact: bugfix Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25isdn/gigaset: honor CAPI application's buffer size requestTilman Schmidt
Fix the Gigaset CAPI driver to limit the length of a connection's payload data receive buffers to the corresponding CAPI application's data buffer size, as some real-life CAPI applications tend to be rather unhappy if they receive bigger data blocks than requested. Impact: bugfix Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25cpmac: do not leak struct net_device on phy_connect errorsFlorian Fainelli
If the call to phy_connect fails, we will return directly instead of freeing the previously allocated struct net_device. Signed-off-by: Florian Fainelli <florian@openwrt.org> CC: stable@kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25smc91c92_cs: fix the problem that lan & modem does not work simultaneouslyKen Kawasaki
smc91c92_cs: Fix the problem that lan & modem does not work simultaneously in the Megahertz multi-function card. We need to write MEGAHERTZ_ISR to retrigger interrupt. Signed-off-by: Ken Kawasaki <ken_kawasaki@spring.nifty.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25ipv6: fix NULL reference in proxy neighbor discoverystephen hemminger
The addition of TLLAO option created a kernel OOPS regression for the case where neighbor advertisement is being sent via proxy path. When using proxy, ipv6_get_ifaddr() returns NULL causing the NULL dereference. Change causing the bug was: commit f7734fdf61ec6bb848e0bafc1fb8bad2c124bb50 Author: Octavian Purdila <opurdila@ixiacom.com> Date: Fri Oct 2 11:39:15 2009 +0000 make TLLAO option for NA packets configurable Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25iwlwifi: set TX_CMD_FLAG_PROT_REQUIRE_MSK in tx_flagWey-Yi Guy
When building tx command, always set TX_CMD_FLAG_PROT_REQUIRE_MSK for 5000 series and up. Without setting this bit the firmware will not examine the RTS/CTS setting and thus not send traffic with the appropriate protection. RTS/CTS is is required for HT traffic in a noisy environment where, without this setting, connections will stall on some hardware as documented in the patch that initially attempted to address this: commit 1152dcc28c66a74b5b3f1a3ede0aa6729bfd48e4 Author: Wey-Yi Guy <wey-yi.w.guy@intel.com> Date: Fri Jan 15 13:42:58 2010 -0800 iwlwifi: Fix throughput stall issue in HT mode for 5000 Similar to 6000 and 1000 series, RTS/CTS is the recommended protection mechanism for 5000 series in HT mode based on the HW design. Using RTS/CTS will better protect the inner exchange from interference, especially in highly-congested environment, it also prevent uCode encounter TX FIFO underrun and other HT mode related performance issues. For 3945 and 4965, different flags are used for RTS/CTS or CTS-to-Self protection. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
2010-06-25iwlwifi: fix multicastJohannes Berg
commit 3474ad635db371b0d8d0ee40086f15d223d5b6a4 Author: Johannes Berg <johannes.berg@intel.com> Date: Thu Apr 29 04:43:05 2010 -0700 iwlwifi: apply filter flags directly broke multicast. The reason, it turns out, is that the code previously checked if ALLMULTI _changed_, which the new code no longer did, and normally it _never_ changes. Had somebody changed it manually, the code prior to my patch there would have been broken already. The reason is that we always, unconditionally, ask the device to pass up all multicast frames, but the new code made it depend on ALLMULTI which broke it since now we'd pass up multicast frames depending on the default filter in the device, which isn't necessarily what we want (since we don't program it right now). Fix this by simply not checking allmulti as we have allmulti behaviour enabled already anyway. Reported-by: Maxim Levitsky <maximlevitsky@gmail.com> Tested-by: Maxim Levitsky <maximlevitsky@gmail.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2010-06-25sparc64: fix the build error due to smp_kgdb_capture_client()Dongdong Deng
Signed-off-by: Dongdong Deng <dongdong.deng@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25x86, Calgary: Increase max PHB numberDarrick J. Wong
Newer systems (x3950M2) can have 48 PHBs per chassis and 8 chassis, so bump the limits up and provide an explanation of the requirements for each class. Signed-off-by: Darrick J. Wong <djwong@us.ibm.com> Acked-by: Muli Ben-Yehuda <muli@il.ibm.com> Cc: Corinna Schultz <cschultz@linux.vnet.ibm.com> Cc: <stable@kernel.org> LKML-Reference: <20100624212647.GI15515@tux1.beaverton.ibm.com> [ v2: Fixed build bug, added back PHBS_PER_CALGARY == 4 ] Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-06-25sched: Prevent compiler from optimising the sched_avg_update() loopWill Deacon
GCC 4.4.1 on ARM has been observed to replace the while loop in sched_avg_update with a call to uldivmod, resulting in the following build failure at link-time: kernel/built-in.o: In function `sched_avg_update': kernel/sched.c:1261: undefined reference to `__aeabi_uldivmod' kernel/sched.c:1261: undefined reference to `__aeabi_uldivmod' make: *** [.tmp_vmlinux1] Error 1 This patch introduces a fake data hazard to the loop body to prevent the compiler optimising the loop away. Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: <stable@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-06-24Bluetooth: Bring back var 'i' incrementGustavo F. Padovan
commit ff6e2163f28a1094fb5ca5950fe2b43c3cf6bc7a accidentally added a regression on the bnep code. Fixing it. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-24MAINTAINERS - Add an entry for the input MT protocolHenrik Rydberg
This patch adds a maintainer for the input multitouch (MT) protocol, such that get_maintainer.pl selects it whenever an MT event is present in the patch. Signed-off-by: Henrik Rydberg <rydberg@euromail.se> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2010-06-25ext3: update ctime when changing the file's permission by setfaclMiao Xie
ext3 didn't update the ctime of the file when its permission was changed. Steps to reproduce: # touch aaa # stat -c %Z aaa 1275289822 # setfacl -m 'u::x,g::x,o::x' aaa # stat -c %Z aaa 1275289822 <- unchanged But, according to the spec of the ctime, ext3 must update it. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Jan Kara <jack@suse.cz>
2010-06-25ext2: update ctime when changing the file's permission by setfaclJan Kara
ext2 didn't update the ctime of the file when its permission was changed. Steps to reproduce: # touch aaa # stat -c %Z aaa 1275289822 # setfacl -m 'u::x,g::x,o::x' aaa # stat -c %Z aaa 1275289822 <- unchanged But, according to the spec of the ctime, ext2 must update it. Port of ext3 patch by Miao Xie <miaox@cn.fujitsu.com>. Signed-off-by: Jan Kara <jack@suse.cz>
2010-06-24xfrm: check bundle policy existance before dereferencing itTimo Teräs
Fix the bundle validation code to not assume having a valid policy. When we have multiple transformations for a xfrm policy, the bundle instance will be a chain of bundles with only the first one having the policy reference. When policy_genid is bumped it will expire the first bundle in the chain which is equivalent of expiring the whole chain. Reported-bisected-and-tested-by: Justin P. Mattock <justinmattock@gmail.com> Signed-off-by: Timo Teräs <timo.teras@iki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-24ceph: fix crush CHOOSE_LEAF when type is already a leafSage Weil
We may not recurse for CHOOSE_LEAF if we start with a leaf node. When that happens, the out2 vector needs to be filled in with the result. Signed-off-by: Sage Weil <sage@newdream.net>
2010-06-24ceph: fix crush recursionSage Weil
There was a longstanding problem with recursion through intervening bucket types on complex hierarchies. Signed-off-by: Sage Weil <sage@newdream.net>
2010-06-24ceph: fix caps debugfs entryYehuda Sadeh
The ceph client structure was not set correctly. Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net> Signed-off-by: Sage Weil <sage@newdream.net>
2010-06-24block: Don't count_vm_events for discard bio in submit_bio.Tao Ma
In submit_bio, we count vm events by check READ/WRITE. But actually DISCARD_NOBARRIER also has the WRITE flag set. It looks as if in blkdev_issue_discard, we also add a page as the payload and the bio_has_data check isn't enough. So add another check for discard bio. Signed-off-by: Tao Ma <tao.ma@oracle.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-06-24md/raid5: don't include 'spare' drives when reshaping to fewer devices.NeilBrown
There are few situations where it would make any sense to add a spare when reducing the number of devices in an array, but it is conceivable: A 6 drive RAID6 with two missing devices could be reshaped to a 5 drive RAID6, and a spare could become available just in time for the reshape, but not early enough to have been recovered first. 'freezing' recovery can make this easy to do without any races. However doing such a thing is a bad idea. md will not record the partially-recovered state of the 'spare' and when the reshape finished it will think that the spare is still spare. Easiest way to avoid this confusion is to simply disallow it. Signed-off-by: NeilBrown <neilb@suse.de>
2010-06-24md/raid5: add a missing 'continue' in a loop.NeilBrown
As the comment says, the tail of this loop only applies to devices that are not fully in sync, so if In_sync was set, we should avoid the rest of the loop. This bug will hardly ever cause an actual problem. The worst it can do is allow an array to be assembled that is dirty and degraded, which is not generally a good idea (without warning the sysadmin first). This will only happen if the array is RAID4 or a RAID5/6 in an intermediate state during a reshape and so has one drive that is all 'parity' - no data - while some other device has failed. This is certainly possible, but not at all common. Signed-off-by: NeilBrown <neilb@suse.de>
2010-06-24md/raid5: Allow recovered part of partially recovered devices to be in-syncNeilBrown
During a recovery of reshape the early part of some devices might be in-sync while the later parts are not. We we know we are looking at an early part it is good to treat that part as in-sync for stripe calculations. This is particularly important for a reshape which suffers device failure. Treating the data as in-sync can mean the difference between data-safety and data-loss. Signed-off-by: NeilBrown <neilb@suse.de>
2010-06-24md/raid5: More careful check for "has array failed".NeilBrown
When we are reshaping an array, the device failure combinations that cause us to decide that the array as failed are more subtle. In particular, any 'spare' will be fully in-sync in the section of the array that has already been reshaped, thus failures that affect only that section are less critical. So encode this subtlety in a new function and call it as appropriate. The case that showed this problem was a 4 drive RAID5 to 8 drive RAID6 conversion where the last two devices failed. This resulted in: good good good good incomplete good good failed failed while converting a 5-drive RAID6 to 8 drive RAID5 The incomplete device causes the whole array to look bad, bad as it was actually good for the section that had been converted to 8-drives, all the data was actually safe. Reported-by: Terry Morris <tbmorris@tbmorris.com> Signed-off-by: NeilBrown <neilb@suse.de>