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This patch simply sort the data and metadata buffer lists by their
inplace block number. This makes gfs2_log_flush issue the inplace IO
in sequential order, which will hopefully speed up writing the IO
out to disk.
Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
Pull MMC fixes from Chris Ball:
- sdhci-acpi: Fix initial runtime PM status, add more ACPI IDs
- atmel-mci, omap_hsmmc: DT handling fixes
- esdhc-imx: Fix SDIO IRQs, fix multiblock reads (both h/w errata)
* tag 'mmc-fixes-for-3.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc:
mmc: omap_hsmmc: Skip platform_get_resource_byname() for dt case
mmc: omap_hsmmc: convert to dma_request_slave_channel_compat
mmc: omap_hsmmc: Fix the DT pbias workaround for MMC controllers 2 to 5
mmc: sdhci-pci: add more device ids
mmc: sdhci-acpi: add more device ids
mmc: sdhci-acpi: fix initial runtime pm status
mmc: atmel-mci: convert to dma_request_slave_channel_compat()
mmc: sdhci-esdhc-imx: fix multiblock reads on i.MX53
mmc: sdhci-esdhc-imx: Fix SDIO interrupts
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MMC driver probe will abort for DT case because of failed
platform_get_resource_byname() lookup. Fix it by skipping resource
lookup byname for device tree build.
Issue is hidden because hwmod populates the IO resources which
helps to succeed platform_get_resource_byname() and probe.
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Convert dmaengine channel requests to use
dma_request_slave_channel_compat(). This supports platforms booting
with or without DT populated.
Signed-off-by: Matt Porter <mporter@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Otherwise SDIO cards won't necessarily work when booted with
device tree as we will never power down the SDIO cards. This
means the SDIO card reset does not happen which at least some
WLAN controllers expect to happen with ifconfig wlan0 down.
The PBIAS voltage is only available for the first controller
instance, so let's limit the PBIAS workaround to the first
controller only.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Tested-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Add three more PCI device ids.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Add three more ACPI HIDs. Also, as some devices must be
further distinguished by ACPI UID, slot information is now
associated with HID and UID.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Initial runtime pm status is active.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Use generic DMA DT helper. Platforms booting with or without DT populated
are both supported.
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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The eSDHC controller on the i.MX53 needs an additional, non spec
compliant CMD12 after a multiblock read with a predefined number of
blocks. Otherwise the internal state machine won't go back to the
idle state.
This commit effectively reverts 5b6b0ad6 (mmc: sdhci-esdhc-imx:
fix for mmc cards on i.MX5), which fixed part of the problem by
making multiblock reads work, however this fix was not sufficient
when multi- and singleblock reads got intermixed.
This implements the recommended workaround (Freescale i.MX Reference
Manual, section 29.6.8 "Multi-block Read") by manually sending a
CMD12 with the RSPTYP bits cleared.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Currently SDIO interrupts do not work on i.MX53 and maybe others.
This was observed with a Marvell 8787 based SDIO wifi adapter
using the mwifiex driver and firmware from the Marvell git
repository.
The symptom was a timeout after firmware download.
Observing the SDIO_DAT1 line showed that an interrupt was requested
(level 0) but no interrupt was generated in software, the line
stayed low until a timeout ocurred and the card was reset.
There is a Freescale errata
ENGcm11186 "eSDHC misses SDIO interrupt when CINT is disabled"
The workaround suggested by this errata is already implemented and
involves clearing and then setting the D3CD bit in the host control
register [see esdhc_writel_le()]
However, when esdhc_writeb_le() is later used to write to
SDHCI_HOST_CONTROL it always resets the D3CD bit.
To fix this simply add the D3CD bit to the set of bits
not modified by esdhc_writeb_le().
Signed-off-by: Martin Fuzzey <mfuzzey@parkeon.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
"Just a 2 small driver fixups here"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: wacom - fix a typo for Cintiq 22HDT
Input: synaptics - fix sync lost after resume on some laptops
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And make the lines easier to read.
Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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In summary, the symptom is intermittent key events lost after resume
on some machines with synaptics touchpad (seems this is synaptics _only_),
and key events loss is due to serio port reconnect after psmouse sync lost.
Removing psmouse and inserting it back during the suspend/resume process
is able to work around the issue, so the difference between psmouse_connect()
and psmouse_reconnect() is the key to the root cause of this problem.
After comparing the two different paths, synaptics driver has its own
implementation of synaptics_reconnect(), and the missing psmouse_probe()
seems significant, the patch below added psmouse_probe() to the reconnect
process, and has been verified many times that the issue could not be reliably
reproduced.
There are two PS/2 commands in psmouse_probe():
1. PSMOUSE_CMD_GETID
2. PSMOUSE_CMD_RESET_DIS
Only the PSMOUSE_CMD_GETID seems to be significant. The
PSMOUSE_CMD_RESET_DIS is irrelevant to this issue after trying
several times. So we have only implemented this patch to issue
the PSMOUSE_CMD_GETID so far.
Tested-by: Daniel Manrique <daniel.manrique@canonical.com>
Signed-off-by: James M Leddy <james.leddy@canonical.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Pull kvm bugfixes from Gleb Natapov:
"The bulk of the fixes is in MIPS KVM kernel<->userspace ABI. MIPS KVM
is new for 3.10 and some problems were found with current ABI. It is
better to fix them now and do not have a kernel with broken one"
* 'fixes' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: Fix race in apic->pending_events processing
KVM: fix sil/dil/bpl/spl in the mod/rm fields
KVM: Emulate multibyte NOP
ARM: KVM: be more thorough when invalidating TLBs
ARM: KVM: prevent NULL pointer dereferences with KVM VCPU ioctl
mips/kvm: Use ENOIOCTLCMD to indicate unimplemented ioctls.
mips/kvm: Fix ABI by moving manipulation of CP0 registers to KVM_{G,S}ET_ONE_REG
mips/kvm: Use ARRAY_SIZE() instead of hardcoded constants in kvm_arch_vcpu_ioctl_{s,g}et_regs
mips/kvm: Fix name of gpr field in struct kvm_regs.
mips/kvm: Fix ABI for use of 64-bit registers.
mips/kvm: Fix ABI for use of FPU.
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apic->pending_events processing has a race that may cause INIT and
SIPI
processing to be reordered:
vpu0: vcpu1:
set INIT
test_and_clear_bit(KVM_APIC_INIT)
process INIT
set INIT
set SIPI
test_and_clear_bit(KVM_APIC_SIPI)
process SIPI
At the end INIT is left pending in pending_events. The following patch
fixes this by latching pending event before processing them.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
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The x86-64 extended low-byte registers were fetched correctly from reg,
but not from mod/rm.
This fixes another bug in the boot of RHEL5.9 64-bit, but it is still
not enough.
Cc: <stable@vger.kernel.org> # 3.9
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
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This is encountered when booting RHEL5.9 64-bit. There is another bug
after this one that is not a simple emulation failure, but this one lets
the boot proceed a bit.
Cc: <stable@vger.kernel.org> # 3.9
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
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The KVM/ARM MMU code doesn't take care of invalidating TLBs before
freeing a {pte,pmd} table. This could cause problems if the page
is reallocated and then speculated into by another CPU.
Reported-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Christoffer Dall <cdall@cs.columbia.edu>
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Some ARM KVM VCPU ioctls require the vCPU to be properly initialized
with the KVM_ARM_VCPU_INIT ioctl before being used with further
requests. KVM_RUN checks whether this initialization has been
done, but other ioctls do not.
Namely KVM_GET_REG_LIST will dereference an array with index -1
without initialization and thus leads to a kernel oops.
Fix this by adding checks before executing the ioctl handlers.
[ Removed superflous comment from static function - Christoffer ]
Changes from v1:
* moved check into a static function with a meaningful name
Signed-off-by: Andre Przywara <andre.przywara@linaro.org>
Signed-off-by: Christoffer Dall <cdall@cs.columbia.edu>
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The Linux Way is to return -ENOIOCTLCMD to the vfs when an
unimplemented ioctl is requested. Do this in kvm_mips instead of a
random mixture of -ENOTSUPP and -EINVAL.
Signed-off-by: David Daney <david.daney@cavium.com>
Acked-by: Sanjay Lal <sanjayl@kymasys.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Because not all 256 CP0 registers are ever implemented, we need a
different method of manipulating them. Use the
KVM_SET_ONE_REG/KVM_GET_ONE_REG mechanism.
Now unused code and definitions are removed.
Signed-off-by: David Daney <david.daney@cavium.com>
Acked-by: Sanjay Lal <sanjayl@kymasys.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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kvm_arch_vcpu_ioctl_{s,g}et_regs
Also we cannot set special zero register, so force it to zero.
Signed-off-by: David Daney <david.daney@cavium.com>
Acked-by: Sanjay Lal <sanjayl@kymasys.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: David Daney <david.daney@cavium.com>
Acked-by: Sanjay Lal <sanjayl@kymasys.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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All registers are 64-bits wide, 32-bit guests use the least
significant portion of the register storage fields.
Signed-off-by: David Daney <david.daney@cavium.com>
Acked-by: Sanjay Lal <sanjayl@kymasys.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Define a non-empty struct kvm_fpu.
Signed-off-by: David Daney <david.daney@cavium.com>
Acked-by: Sanjay Lal <sanjayl@kymasys.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Pull gfs2 fixes from Steven Whitehouse:
"There are four patches this time.
The first fixes a problem where the wrong descriptor type was being
written into the log for journaled data blocks.
The second fixes a race relating to the deallocation of allocator
data.
The third provides a fallback if kmalloc is unable to satisfy a
request to allocate a directory hash table.
The fourth fixes the iopen glock caching so that inodes are deleted in
a more timely manner after rmdir/unlink"
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-fixes:
GFS2: Don't cache iopen glocks
GFS2: Fall back to vmalloc if kmalloc fails for dir hash tables
GFS2: Increase i_writecount during gfs2_setattr_size
GFS2: Set log descriptor type for jdata blocks
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This patch makes GFS2 immediately reclaim/delete all iopen glocks
as soon as they're dequeued. This allows deleters to get an
EXclusive lock on iopen so files are deleted properly instead of
being set as unlinked.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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This version has one more correction: the vmalloc calls are replaced
by __vmalloc calls to preserve the GFP_NOFS flag.
When GFS2's directory management code allocates buffers for a
directory hash table, if it can't get the memory it needs, it
currently gives a bad return code. Rather than giving an error,
this patch allows it to use virtual memory rather than kernel
memory for the hash table. This should make it possible for
directories to function properly, even when kernel memory becomes
very fragmented.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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This patch calls get_write_access in a few functions. This
merely increases inode->i_writecount for the duration of the function.
That will ensure that any file closes won't delete the inode's
multi-block reservation while the function is running.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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This patch sets the log descriptor type according to whether the
journal commit is for (journaled) data or metadata. This was
recently broken when the functions to process data and metadata
log ops were combined.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse fixes from Miklos Szeredi:
"One patch fixes an Oops introduced in 3.9 with the readdirplus
feature. The rest are fixes for async-dio in 3.10"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: fix alignment in short read optimization for async_dio
fuse: return -EIOCBQUEUED from fuse_direct_IO() for all async requests
fuse: fix readdirplus Oops in fuse_dentry_revalidate
fuse: update inode size and invalidate attributes on fallocate
fuse: truncate pagecache range on hole punch
fuse: allocate for_background dio requests based on io->async state
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The bug was introduced with async_dio feature: trying to optimize short reads,
we cut number-of-bytes-to-read to i_size boundary. Hence the following example:
truncate --size=300 /mnt/file
dd if=/mnt/file of=/dev/null iflag=direct
led to FUSE_READ request of 300 bytes size. This turned out to be problem
for userspace fuse implementations who rely on assumption that kernel fuse
does not change alignment of request from client FS.
The patch turns off the optimization if async_dio is disabled. And, if it's
enabled, the patch fixes adjustment of number-of-bytes-to-read to preserve
alignment.
Note, that we cannot throw out short read optimization entirely because
otherwise a direct read of a huge size issued on a tiny file would generate
a huge amount of fuse requests and most of them would be ACKed by userspace
with zero bytes read.
Signed-off-by: Maxim Patlasov <MPatlasov@parallels.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
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If request submission fails for an async request (i.e.,
get_user_pages() returns -ERESTARTSYS), we currently skip the
-EIOCBQUEUED return and drop into wait_for_sync_kiocb() forever.
Avoid this by always returning -EIOCBQUEUED for async requests. If
an error occurs, the error is passed into fuse_aio_complete(),
returned via aio_complete() and thus propagated to userspace via
io_getevents().
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Maxim Patlasov <MPatlasov@parallels.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
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Fix bug introduced by commit 4582a4ab2a "FUSE: Adapt readdirplus to application
usage patterns".
We need to check for a positive dentry; negative dentries are not added by
readdirplus. Secondly we need to advise the use of readdirplus on the *parent*,
otherwise the whole thing is useless. Thirdly all this is only relevant if
"readdirplus_auto" mode is selected by the filesystem.
We advise the use of readdirplus only if the dentry was still valid. If we had
to redo the lookup then there was no use in doing the -plus version.
Reported-by: Bernd Schubert <bernd.schubert@itwm.fraunhofer.de>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
CC: Feng Shuo <steve.shuo.feng@gmail.com>
CC: stable@vger.kernel.org
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An fallocate request without FALLOC_FL_KEEP_SIZE set can extend the
size of a file. Update the inode size after a successful fallocate.
Also invalidate the inode attributes after a successful fallocate
to ensure we pick up the latest attribute values (i.e., i_blocks).
Signed-off-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
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fuse supports hole punch via the fallocate() FALLOC_FL_PUNCH_HOLE
interface. When a hole punch is passed through, the page cache
is not cleared and thus allows reading stale data from the cache.
This is easily demonstrable (using FOPEN_KEEP_CACHE) by reading a
smallish random data file into cache, punching a hole and creating
a copy of the file. Drop caches or remount and observe that the
original file no longer matches the file copied after the hole
punch. The original file contains a zeroed range and the latter
file contains stale data.
Protect against writepage requests in progress and punch out the
associated page cache range after a successful client fs hole
punch.
Signed-off-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
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Commit 8b41e671 introduced explicit background checking for fuse_req
structures with BUG_ON() checks for the appropriate type of request in
in the associated send functions. Commit bcba24cc introduced the ability
to send dio requests as background requests but does not update the
request allocation based on the type of I/O request. As a result, a
BUG_ON() triggers in the fuse_request_send_background() background path if
an async I/O is sent.
Allocate a request based on the async state of the fuse_io_priv to avoid
the BUG.
Signed-off-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
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Pull microblaze fixes from Michal Simek:
"One is fixing warning reported by sparse and the second warning was
reported by Geert in his build regressions/improvements status update
for -rc4."
* 'next' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: Use static inline functions in cacheflush.h
microblaze: Fix sparse warnings
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Using static inline functions ensure proper type checking
which also remove compilation warning for no MMU
Compilation warning:
arch/microblaze/include/asm/cacheflush.h: warning: 'addr'
may be used uninitialized in this function [-Wmaybe-uninitialized]
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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arch/microblaze/include/asm/uaccess.h:101:3:
warning: cast removes address space of expression
arch/microblaze/include/asm/uaccess.h:107:2:
warning: cast removes address space of expression
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"A few small fixes for v3.10, documentation things in the core and a
few driver bugs."
* tag 'regulator-v3.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: palmas: Fix "enable_reg" to point to the correct reg for SMPS10
regulator: palmas: Fix incorrect condition
regulator: core: Correct spelling mistake in comment
regulator: dbx500: Make local symbol static
regulator: Fix kernel-doc generation warnings.
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regulator_enable_regmap() uses enable_reg to enable the regulator.
But enable_reg for smps10 points to SMPS10_STATUS which is a
read-only register. Fixed the same by having enable_reg
set to SMPS10_CTRL.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
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Since 'id' cannot take two values at the same time, the condition
should probably be an OR (||) instead of AND (&&).
Introduced by commit 28d1e8cd67 ("regulator: palma: add ramp delay
support through regulator constraints").
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Add a couple kernel-doc lines to get rid of kernel-doc generation
warnings, no functional change.
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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power_state_active_get is used only in this file. Make it static.
While at it also move this function definition inside the
CONFIG_REGULATOR_DEBUG macro as it is called only from within it.
This also avoids further build warning related to unused definition.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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