| Commit message (Collapse) | Author | Age |
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Data length has to be aligned in the budgeting request. Code
in xattr.c did not do this.
Signed-off-by: Zoltan Sogor <weth@inf.u-szeged.hu>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Use "if (0) printk()" construct in debugging print macros to
make the debugging messages be checked even if debugging is
off.
This patch also removes some unneeded spaces and blank lines.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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UBIFS does not presently re-use inode numbers, so leaving
i_generation zero is most appropriate for now.
Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
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Signed-off-by: Zoltan Sogor <weth@inf.u-szeged.hu>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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No functional changes, just lessen the amount of indentations.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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At the moment UBIFS reserves twice old index size space for the
index. But this is not enough in some cases, because if the indexing
node are very fragmented and there are many small gaps, while the
dirty index has big znodes - in-the-gaps method would fail.
Thus, reserve trise as more, in which case we are guaranteed that
we can commit in any case.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Useful when something fails and there are many processes
racing.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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UBIFS aligns node lengths to 8, so budgeting has to do the
same. Well, direntry, inode, and page budgets are already
aligned, but not inode data budget (e.g., data in special
devices or symlinks). Do this for inode data as well.
Also, add corresponding debugging checks.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Budgeting is a crucial UBIFS subsystem - add more assertions
to improve requests checking. This is not compiled in when
UBIFS debugging is disabled.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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The debug function that checks orphans, does so using the
TNC mutex. That means it will not see a correct picture
if the inode is removed from the orphan tree before it is
removed from TNC.
Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
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Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
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The values in these two fields need to be preserved independently
and so a union cannot be used.
Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
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Every time anything is deleted, UBIFS writes the deletion inode
node twice - once in 'ubifs_jnl_update()' and the second time in
'ubifs_jnl_write_inode()'. However, the second write is not needed
if no commit happened after 'ubifs_jnl_update()'. This patch
checks that condition and avoids writing the deletion inode for
the second time.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Increment the commit number at the beginnig of the commit, instead
of doing this after the commit. This is needed for further
optimizations.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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The 'last_reference' parameter of 'pack_inode()' is not really
needed because 'inode->i_nlink' may be tested instead. Zap it.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Simplify 'ubifs_jnl_write_inode()' by removing the 'deletion'
parameter which is not really needed because we may test
inode->i_nlink and check whether this is a deletion or not.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Orphan inodes are deleted inodes which will disappear after FS
re-mount. There is not need to write orphan inodes back, because
they are not needed on the flash media.
So optimize orphans a little by not writing them back. Just mark
them as clean, free the budget, and report success to VFS.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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We use ubifs_ro_mode() quite a lot, and not in fast-path, so
there is no reason to blow the code up by having it inlined.
Also, we usually want R/O mode change to be seen to other
CPUs as soon as possible, so when we make this a function
call, we will automatically have a memory barrier.
Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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UBI transparently handles write errors by automatically copying
and remapping the affected eraseblock. If UBI is unable to do
that, for example its pool of eraseblocks reserved for bad block
handling is empty, then the error is propagated to UBIFS. UBIFS
must protect the media from falling into an inconsistent state
by immediately switching to read-only mode. In the case of log
updates, this was not being done.
Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
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UBIFS recovery testing debug facility simulates media failures.
When simulating an IO error, the error code returned must be
-EIO but it was not always if the user switched off the
debug recovery testing option at the same time.
Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
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Although the inode is marked as clean when it is being deleted,
it might stay and be used as orphan, and be marked as dirty.
So we have to free the budget when we delete it.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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1. Print inode mode in some of debugging messages
2. Add few more useful assertions
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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The 'ubifs_release_dirty_inode_budget()' was buggy and incorrectly
freed the budget, which led to not freeing all dirty data budget.
This patch fixes that.
Also, this patch fixes ubifs_mkdir() which passed 1 in dirty_ino_d,
which makes no sense. Well, it is harmless though.
Also, add few more useful assertions. And improve few debugging
messages.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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We encouredge people to mount using volume name, not device
numbers. So print the name of the mounted UBI volume, not just
IDs.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Signed-off-by: Sebastian Siewior <bigeasy@linutronix.de>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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* 'for-linus' of git://neil.brown.name/md:
md: cancel check/repair requests when recovery is needed
Allow raid10 resync to happening in larger chunks.
Allow faulty devices to be removed from a readonly array.
Don't let a blocked_rdev interfere with read request in raid5/6
Fail safely when trying to grow an array with a write-intent bitmap.
Restore force switch of md array to readonly at reboot time.
Make writes to md/safe_mode_delay immediately effective.
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If a 'repair' is requested when an array is in a position to 'recover' raid1
will perform the repair while md believes a recovery is happening. Address
this at both ends, i.e. cancel check/repair requests upon detecting a
recover condition and do not call ->spare_active after completing a
check/repair.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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The raid10 resync/recovery code currently limits the amount of
in-flight resync IO to 2Meg. This was copied from raid1 where
it seems quite adequate. However for raid10, some layouts require
a bit of seeking to perform a resync, and allowing a larger buffer
size means that the seeking can be significantly reduced.
There is probably no real need to limit the amount of in-flight
IO at all. Any shortage of memory will naturally reduce the
amount of buffer space available down to a set minimum, and any
concurrent normal IO will quickly cause resync IO to back off.
The only problem would be that normal IO has to wait for all resync IO
to finish, so a very large amount of resync IO could cause unpleasant
latency when normal IO starts up.
So: increase RESYNC_DEPTH to allow 32Meg of buffer (if memory is
available) which seems to be a good amount. Also reduce the amount
of memory reserved as there is no need to keep 2Meg just for resync if
memory is tight.
Thanks to Keld for the suggestion.
Cc: Keld Jørn Simonsen <keld@dkuug.dk>
Signed-off-by: NeilBrown <neilb@suse.de>
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Removing faulty devices from an array is a two stage process.
First the device is moved from being a part of the active array
to being similar to a spare device. Then it can be removed
by a request from user space.
The first step is currently not performed for read-only arrays,
so the second step can never succeed.
So allow readonly arrays to remove failed devices (which aren't
blocked).
Signed-off-by: NeilBrown <neilb@suse.de>
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When we have externally managed metadata, we need to mark a failed
device as 'Blocked' and not allow any writes until that device
have been marked as faulty in the metadata and the Blocked flag has
been removed.
However it is perfectly OK to allow read requests when there is a
Blocked device, and with a readonly array, there may not be any
metadata-handler watching for blocked devices.
So in raid5/raid6 only allow a Blocked device to interfere with
Write request or resync. Read requests go through untouched.
raid1 and raid10 already differentiate between read and write
properly.
Signed-off-by: NeilBrown <neilb@suse.de>
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We cannot currently change the size of a write-intent bitmap.
So if we change the size of an array which has such a bitmap, it
tries to set bits beyond the end of the bitmap.
For now, simply reject any request to change the size of an array
which has a bitmap. mdadm can remove the bitmap and add a new one
after the array has changed size.
Signed-off-by: NeilBrown <neilb@suse.de>
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A recent patch allowed do_md_stop to know whether it was being called
via an ioctl or not, and thus where to allow for an extra open file
descriptor when checking if it is in use.
This broke then switch to readonly performed by the shutdown notifier,
which needs to work even when the array is still (apparently) active
(as md doesn't get told when the filesystem becomes readonly).
So restore this feature by pretending that there can be lots of
file descriptors open, but we still want do_md_stop to switch to
readonly.
Signed-off-by: NeilBrown <neilb@suse.de>
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If we reduce the 'safe_mode_delay', it could still wait for the old
delay to completely expire before doing anything about safe_mode.
Thus the effect if the change is delayed.
To make the effect more immediate, run the timeout function
immediately if the delay was reduced. This may cause it to run
slightly earlier that required, but that is the safer option.
Signed-off-by: NeilBrown <neilb@suse.de>
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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:
Input: xilinx_ps2 - fix warning
Input: bcm5974 - implement autosuspend support
Input: bcm5974 - add driver for Macbook Air and Pro Penryn touchpads
Input: paper over a bug in Synaptics X driver
Input: evdev - split EVIOCGBIT handlig into a separate function
Input: i8042 - Add Dritek quirk for Acer TravelMate 4280
Input: xpad - add Pelican Eclipse D-Pad to the list of devices
Input: gpio-keys - make gpio_keys_device_driver static
Input: gpio-keys - fix possible NULL pointer dereference
Input: wm97xx - enable sub-drivers by default
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drivers/input/serio/xilinx_ps2.c:272: warning: cast from pointer
to integer of different size
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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This driver adds support for the multitouch trackpad on the new
Apple Macbook Air and Macbook Pro Penryn laptops. It replaces the
appletouch driver on those computers, and integrates well with the
synaptics driver of the Xorg system.
[dtor@mail.ru: various cleanups]
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Reported-by: Mattias Jernberg <nostrad@gmail.com>
Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Signed-off-by: Harley Laue <losinggeneration@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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This fixes the sparse warning
symbol 'gpio_keys_device_driver' was not declared. Should it be static?
Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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bdata->button is used in gpio_check_button but never initialized. Having a
device with debounce_interval != 0 without this patch resulted on an oops on
my machine.
Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Currently the support for each WM97xx touchscreen model is compiled out
by default, meaning that the default configuration when the driver is
built is for it to support no hardware. This is suboptimal and leads to
problems like distribution kernels shipping a non-functional driver.
Change the default to support all controllers and update the help text
to reflect this.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-acpi-2.6
* 'release-2.6.27' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-acpi-2.6:
ACPI: Fix thermal shutdowns
ACPI: bounds check IRQ to prevent memory corruption
ACPI: Avoid bogus EC timeout when EC is in Polling mode
ACPI : Add the EC dmi table to fix the incorrect ECDT table
ACPI: Properly clear flags on false-positives and send uevent on sudden unplug
acpi: trivial cleanups
acer-wmi: Fix wireless and bluetooth on early AMW0 v2 laptops
ACPI: WMI: Set instance for query block calls
ACPICA: Additional error checking for pathname utilities
ACPICA: Fix possible memory leak in Unload() operator
ACPICA: Fix memory leak when deleting thermal/processor objects
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'thermal-fix', 'wmi' and 'acpi-cleanups' into release-2.6.27
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Trivial cleanups for ACPI. Fix misspelling in printk(), fix mismerge,
add file header.
AK: removed file header
Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
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In the old acer_acpi, I discovered that on some of the newer AMW0 laptops
that supported the WMID methods, they don't work properly for setting the
wireless and bluetooth values.
So for the AMW0 V2 laptops, we want to use both the 'old' AMW0 and the
'new' WMID methods for setting wireless & bluetooth to guarantee we always
enable it.
This was fixed in acer_acpi some time ago, but I forgot to port the patch
over to acer-wmi when it was merged.
(Without this patch, early AMW0 V2 laptops such as the Aspire 5040 won't
work with acer-wmi, where-as they did with the old acer_acpi).
AK: fix compilation
Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
CC: stable@kernel.org
Signed-off-by: Andi Kleen <ak@linux.intel.com>
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