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2012-03-27Btrfs: change scrub to support big blocksStefan Behrens
Scrub used to be coded for nodesize == leafsize == sectorsize == PAGE_SIZE. This is now changed to support sizes for nodesize and leafsize which are N * PAGE_SIZE. Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2012-03-27Btrfs: minor cleanup in scrubStefan Behrens
Just a minor cleanup commit in preparation for the big block changes. Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2012-03-27Btrfs: introduce common define for max number of mirrorsStefan Behrens
Readahead already has a define for the max number of mirrors. Scrub needs such a define now, the rest of the code will need something like this soon. Therefore the define was added to ctree.h and removed from the readahead code. Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2012-03-27watchdog: txx9wdt: fix timeoutWim Van Sebroeck
timeout should be an unsigned int. Set the timeout value properly in the watchdog_device struct so that we don't get an faulty values for the WDIOC_GETTIMEOUT ioctl call. Add check to see that timeout is a valid parameter after it is loaded as a module. Signed-off-by: Wim Van Sebroeck <wim@iguana.be> Acked-by: Wolfram Sang <w.sang@pengutronix.de>
2012-03-27watchdog: Convert txx9wdt driver to watchdog frameworkAxel Lin
This patch converts txx9wdt driver to watchdog framework. Also use devm_* APIs to save a few error handling code. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: coh901327_wdt.c: fix timeoutWim Van Sebroeck
Set the timeout value properly so that we don't get faulty values for the WDIOC_GETTIMEOUT iotcl. 'margin' should be an unsigned int. Also add a check to see if margin is a valid parameter after it is loaded as a module. Signed-off-by: Wim Van Sebroeck <wim@iguana.be> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Wolfram Sang <w.sang@pengutronix.de>
2012-03-27watchdog: coh901327: convert to use watchdog coreLinus Walleij
This converts the COH901327 watchdog to use the watchdog core. I followed Wolframs document, looked at some other drivers and tested it on the U300. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Cc: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: Add support for WDIOC_GETTIMELEFT IOCTL in watchdog coreViresh Kumar
This patch adds support for WDIOC_GETTIMELEFT IOCTL in watchdog core. So, there is another function pointer added to struct watchdog_ops, which can be passed by drivers to support this IOCTL. Related documentation is updated too. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: ep93xx_wdt: timeout is an unsigned int value.Wim Van Sebroeck
the timeout is a positive thus unsigned int value. Also re-add the comment about the actual heartbeat. Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: ep93xx_wdt: Fix timeout after conversion to watchdog coreMika Westerberg
After the conversion of this driver to the watchdog core, I noticed that we miss setting the initial timeout of the wdt device. This results in a failure of the WDIOC_GETTIMEOUT ioctl call. Reviewed-by: Mika Westerberg <mika.westerberg@iki.fi> Tested-by: Mika Westerberg <mika.westerberg@iki.fi> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: Convert ep93xx driver to watchdog coreH Hartley Sweeten
Convert the ep93xx_wdt driver to the watchdog framework API. Also, use the dev_<fmt> functions instead of pr_<fmt> for logging. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Ryan Mallon <rmallon@gmail.com> Cc: Mika Westerberg <mika.westerberg@iki.fi> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: sp805: Use devm routinesViresh Kumar
sp805 driver currently uses normal kzalloc, ioremap, etc routines. This patch replaces these routines with devm_kzalloc and devm_request_mem_region etc, so that we don't need to handle freeing of resources for error cases and module removal routine. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: sp805: replace readl/writel with lighter _relaxed variantsViresh Kumar
readl/writel versions for ARM contain memory barrier instruction for synchronizing DMA buffers. These are not required at least on this module. So use lighter _relaxed variants. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: sp805: Fix documentation style commentViresh Kumar
@ was missing before variables names, in their description. Also adev is mentioned as dev in comment. Fix both these issues. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: mpcore_wdt: Allow platform_get_irq() to failViresh Kumar
irq is not necessary for mpcore wdt. Don't return error if it is not passed. But if it is passed, then request_irq must pass. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: mpcore_wdt: Use devm routinesViresh Kumar
mpcore_wdt driver currently uses normal kzalloc, request_irq, ioremap, etc routines. This patch replaces these routines with devm_kzalloc and devm_request_mem_region etc, so that we don't need to handle freeing of resources for error cases and module removal routine. Also, request_irq is moved before registering misc device, so that we are ready for irq as soon as device is registered. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: mpcore_wdt: Rename dev to pdev for pointing to struct platform_deviceViresh Kumar
Pointer to struct platform_device is named as dev, which makes it confusing when we write statements like dev->dev to access struct device within it. This patch renames such names to pdev. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: xen: don't clear is_active when xen_wdt_stop() failedJan Beulich
xen_wdt_release() shouldn't clear is_active even when the watchdog didn't get stopped (which by itself shouldn't happen, but let's return a proper error in this case rather than adding a BUG() upon hypercall failure). Signed-off-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: xen: don't unconditionally enable the watchdog during resumeJan Beulich
This was found to be a problem particularly after guest migration. Signed-off-by: Jan Beulich <jbeulich@suse.com> Reported-by: Wouter de Geus <benv-xensource.com@junerules.com> Reported-by: Ian Campbell <Ian.Campbell@citrix.com> Tested-by: Wouter de Geus <benv-xensource.com@junerules.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: fix compiler error for missing parenthesisJaehoon Chung
Joe's patch(watchdog: Use pr_<fmt> and pr_<level>) missed parenthesis in s3c2410_wdt.c. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: ep93xx_wdt.c: fix platform probeWim Van Sebroeck
Fix the device/driver init so that the misc_register happens as last (since this opens userspace access to the device). Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: ep93xx: Convert the watchdog driver into a platform device.H Hartley Sweeten
Convert the ep93xx watchdog driver into a platform device and remove it's dependency on <mach/hardware.h>. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Ryan Mallon <rmallon@gmail.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be> Reviewed-by: Mika Westerberg <mika.westerberg@iki.fi> Acked-by: Arnd Bergmann <arnd@arndb.de>
2012-03-27watchdog: fix set_timeout operationsWim Van Sebroeck
Since we changed the behaviour of the set_timeout operation in the watchdog API, we need to change the allready converted drivers so that they update the timeout field at the end of the set_timeout operation. Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: watchdog_dev: Let the driver update the timeout field on ↵Hans de Goede
set_timeout success When a set_timeout operation succeeds this does not necessarily mean that the exact timeout requested has been achieved, because the watchdog does not necessarily have a 1 second resolution. So rather then have the core set the timeout member of the watchdog_device struct to the exact requested value, instead the driver should set it to the actually achieved timeout value. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: softdog: convert to watchdog coreAlan Cox
Convert softdog.c to the new watchdog API. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: Convert max63xx_wdt driver to watchdog frameworkAxel Lin
This patch converts max63xx_wdt driver to watchdog framework. Also use devm_* APIs to save a few error handling code. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: pnx4008: convert driver to use the watchdog frameworkWolfram Sang
Make this driver a user of the watchdog framework and remove parts now handled by the core. Tested on a custom lpc32xx-board. [wim@iguana.be: Added set_timeout operation] Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: Convert wm8350_wdt driver to watchdog coreAxel Lin
This patch converts wm8350_wdt driver to use watchdog core APIs. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: Convert jz4740_wdt driver to watchdog coreAxel Lin
This patch converts jz4740_wdt driver to use watchdog core APIs. Also use devm_* APIs to save a few error handling code. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: nowayout is boolWim Van Sebroeck
nowayout is actually a boolean value. So make it bool for all watchdog device drivers. Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: Use pr_<fmt> and pr_<level>Joe Perches
Use the current logging styles. Make sure all output has a prefix. Add missing newlines. Remove now unnecessary PFX, NAME, and miscellaneous other #defines. Coalesce formats. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: pnx4008: don't use __raw_-accessorsWolfram Sang
__raw_readl/__raw_writel are not meant for drivers [1]. [1] http://thread.gmane.org/gmane.linux.ports.arm.kernel/117626 Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: pnx4008: cleanup resource handling using managed devicesWolfram Sang
The resource handling in this driver was flaky: IO_ADDRESS instead of ioremap (and no unmapping), an unneeded static resource, no central exit path for error cases. Fix this by converting the driver to use managed resources. Also use dev_*-messages instead of pr_* while we are here. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: sp805_wdt: add pm callbacks to support standby/S2R/hibernationViresh Kumar
Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: make imx2_wdt report boot status correctlyOskar Schirmer
Ioctl WDIOC_GETBOOTSTATUS is supposed to return some information on why the system did (re)boot recently, value WDIOF_CARDRESET being used to indicate watchdog induced reboot. Up to now, imx2_wdt did not provide a value here, always returning zero to indicate normal boot. Do evaluate the IMX Watchdog Reset Status Register and produce WDIOF_CARDRESET with WDIOC_GETBOOTSTATUS in case of a watchdog induced reset. Signed-off-by: Oskar Schirmer <oskar@scara.com> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27watchdog: documentation: remove index-fileWolfram Sang
The 00-index file in the watchdog directory is, like many others, outdated (conversion-howto is missing) and doesn't contain worthwhile additional information. As it seems to be a maintenance burden without much gain, simply remove it. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27compat: use sys_sendfile64() implementation for sendfile syscallChris Metcalf
<asm-generic/unistd.h> was set up to use sys_sendfile() for the 32-bit compat API instead of sys_sendfile64(), but in fact the right thing to do is to use sys_sendfile64() in all cases. The 32-bit sendfile64() API in glibc uses the sendfile64 syscall, so it has to be capable of doing full 64-bit operations. But the sys_sendfile() kernel implementation has a MAX_NON_LFS test in it which explicitly limits the offset to 2^32. So, we need to use the sys_sendfile64() implementation in the kernel for this case. Cc: <stable@kernel.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2012-03-27CIFS: Add missed forcemand mount optionPavel Shilovsky
The 'forcemand' form of 'forcemandatorylock' mount option was missed when the code moved to use the standard token parser. Return it back. Also fix a comment style in the parser. Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2012-03-27mmc: sh_mmcif: simplify bitmask macrosGuennadi Liakhovetski
Purely cosmetic readability improvement, no functional change. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-03-27mmc: sh_mobile_sdhi: support modular mmc-core with non-standard hotplugGuennadi Liakhovetski
Currently if a platform wants to implement a non-standard card-detection method, it would need to call tmio_mmc_cd_wakeup(), which is an inline function, calling mmc_detect_change(). For this the platform would have to link mmc_core statically into the kernel, losing the ability to build it as a module. This patch adds a callback to the sh_mobile_sdhi driver, which eliminates this dependency. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: Magnus Damm <damm@opensource.se> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-03-27mmc: sh_mobile_sdhi: add a callback for board specific init codeBastian Hecht
Some boards need a preliminary setup stage to prepare the sdhi controller. Signed-off-by: Bastian Hecht <hechtb@gmail.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-03-27mmc: tmio: cosmetic: prettify the tmio_mmc_set_ios() functionGuennadi Liakhovetski
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-03-27mmc: sh_mobile_sdhi: do not manage PM clocks manuallyGuennadi Liakhovetski
On sh-mobile platforms the MMC clock frequency for the TMIO MMC unit is obtained from the same clock, as the one, that runtime power-manages the controller. The SDHI glue code has to access that clock directly, bypassing the runtime PM framework, to get its frequency, but it shouldn't enable or disable it. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-03-27mmc: tmio_mmc: remove unused sdio_irq_enabled flagGuennadi Liakhovetski
The sdio_irq_enabled member of struct tmio_mmc_host is a left-over from the previously removed SDIO IRQ workaround. It is no longer needed and can now be removed too. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-03-27mmc: tmio_mmc: power status flag doesn't have to be exposed in platform dataGuennadi Liakhovetski
The controller power status flag does not have to be accessed from the hot-plug detection code any more, it can now be removed from the platform data and put in the controller private struct. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-03-27mmc: sh_mobile_sdhi: pass card hotplug GPIO number to TMIO MMCGuennadi Liakhovetski
To use TMIO MMC driver ability to interface to the generic MMC GPIO card hotplug detection helper, the SDHI driver has to pass the GPIO number from its own platform data. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-03-27mmc: tmio_mmc: support the generic MMC GPIO card hotplug helperGuennadi Liakhovetski
If the platform specifies the TMIO_MMC_HAS_COLD_CD flag, use the generic MMC GPIO card hotplug helper. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-03-27mmc: tmio: calculate the native hotplug condition only onceGuennadi Liakhovetski
The condition, whether we have to use the native TMIO card hotplug detection interrupt, is rather complex, it is better to only calculate it once and store in the private data. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-03-27mmc: simplify mmc_cd_gpio_request() by removing two parametersGuennadi Liakhovetski
Calculate the IRQ number, using gpio_to_irq() and use fixed flags: trigger on both edges. This makes two out of four arguments of the mmc_cd_gpio_request() function redundant. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-03-27mmc: sdhci-pci: allow 8-bit bus width for Intel PCHAlexander Stein
Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com> Signed-off-by: Chris Ball <cjb@laptop.org>
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