- DT clean-ups in da9055-core, max14577, rn5t618, arizona, hi6421, stmpe, twl4030
- Export symbols for use in modules in max14577
- Plenty of static code analysis/Coccinelle fixes throughout the SS
- Regmap clean-ups in arizona, wm5102, wm5110, da9052, tps65217, rk808
- Remove unused/duplicate code in da9052, 88pm860x, ti_ssp, lpc_sch, arizona
- Bug fixes in ti_am335x_tscadc, da9052, ti_am335x_tscadc, rtsx_pcr
- IRQ fixups in arizona, stmpe, max14577
- Regulator related changes in axp20x
- Pass DMA coherency information from parent => child in MFD core
- Rename DT document files for consistency
- Add ACPI support to the MFD core
- Add Andreas Werner to MAINTAINERS for MEN F21BMC
New drivers/supported devices:
- New driver for MEN 14F021P00 Board Management Controller
- New driver for Ricoh RN5T618 PMIC
- New driver for Rockchip RK808
- New driver for HiSilicon Hi6421 PMIC
- New driver for Qualcomm SPMI PMICs
- Add support for Intel Braswell in lpc_ich
- Add support for Intel 9 Series PCH in lpc_ich
- Add support for Intel Quark ILB in lpc_sch
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Merge tag 'mfd-for-linus-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Changes to existing drivers:
- DT clean-ups in da9055-core, max14577, rn5t618, arizona, hi6421, stmpe, twl4030
- Export symbols for use in modules in max14577
- Plenty of static code analysis/Coccinelle fixes throughout the SS
- Regmap clean-ups in arizona, wm5102, wm5110, da9052, tps65217, rk808
- Remove unused/duplicate code in da9052, 88pm860x, ti_ssp, lpc_sch, arizona
- Bug fixes in ti_am335x_tscadc, da9052, ti_am335x_tscadc, rtsx_pcr
- IRQ fixups in arizona, stmpe, max14577
- Regulator related changes in axp20x
- Pass DMA coherency information from parent => child in MFD core
- Rename DT document files for consistency
- Add ACPI support to the MFD core
- Add Andreas Werner to MAINTAINERS for MEN F21BMC
New drivers/supported devices:
- New driver for MEN 14F021P00 Board Management Controller
- New driver for Ricoh RN5T618 PMIC
- New driver for Rockchip RK808
- New driver for HiSilicon Hi6421 PMIC
- New driver for Qualcomm SPMI PMICs
- Add support for Intel Braswell in lpc_ich
- Add support for Intel 9 Series PCH in lpc_ich
- Add support for Intel Quark ILB in lpc_sch"
[ Delayed to after the poweer/reset pull due to Kconfig problems with
recursive Kconfig select/depends-on chains. - Linus ]
* tag 'mfd-for-linus-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (79 commits)
mfd: cros_ec: wait for completion of commands that return IN_PROGRESS
i2c: i2c-cros-ec-tunnel: Set retries to 3
mfd: cros_ec: move locking into cros_ec_cmd_xfer
mfd: cros_ec: stop calling ->cmd_xfer() directly
mfd: cros_ec: Delay for 50ms when we see EC_CMD_REBOOT_EC
MAINTAINERS: Adds Andreas Werner to maintainers list for MEN F21BMC
mfd: arizona: Correct mask to allow setting micbias external cap
mfd: Add ACPI support
Revert "mfd: wm5102: Manually apply register patch"
mfd: ti_am335x_tscadc: Update logic in CTRL register for 5-wire TS
mfd: dt-bindings: atmel-gpbr: Rename doc file to conform to naming convention
mfd: dt-bindings: qcom-pm8xxx: Rename doc file to conform to naming convention
mfd: Inherit coherent_dma_mask from parent device
mfd: Document DT bindings for Qualcomm SPMI PMICs
mfd: Add support for Qualcomm SPMI PMICs
mfd: dt-bindings: pm8xxx: Add new compatible string
mfd: axp209x: Drop the parent supplies field
mfd: twl4030-power: Use 'ti,system-power-controller' as alternative way to support system power off
mfd: dt-bindings: twl4030-power: Use the standard property to mark power control
mfd: syscon: Add Atmel GPBR DT bindings documention
...
Pull Ceph updates from Sage Weil:
"There is the long-awaited discard support for RBD (Guangliang Zhao,
Josh Durgin), a pile of RBD bug fixes that didn't belong in late -rc's
(Ilya Dryomov, Li RongQing), a pile of fs/ceph bug fixes and
performance and debugging improvements (Yan, Zheng, John Spray), and a
smattering of cleanups (Chao Yu, Fabian Frederick, Joe Perches)"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (40 commits)
ceph: fix divide-by-zero in __validate_layout()
rbd: rbd workqueues need a resque worker
libceph: ceph-msgr workqueue needs a resque worker
ceph: fix bool assignments
libceph: separate multiple ops with commas in debugfs output
libceph: sync osd op definitions in rados.h
libceph: remove redundant declaration
ceph: additional debugfs output
ceph: export ceph_session_state_name function
ceph: include the initial ACL in create/mkdir/mknod MDS requests
ceph: use pagelist to present MDS request data
libceph: reference counting pagelist
ceph: fix llistxattr on symlink
ceph: send client metadata to MDS
ceph: remove redundant code for max file size verification
ceph: remove redundant io_iter_advance()
ceph: move ceph_find_inode() outside the s_mutex
ceph: request xattrs if xattr_version is zero
rbd: set the remaining discard properties to enable support
rbd: use helpers to handle discard for layered images correctly
...
Pull pivot_root() fix from Andy Lutomirski.
Prevent a leak of unreachable mounts.
* 'CVE-2014-7970' of git://git.kernel.org/pub/scm/linux/kernel/git/luto/linux:
mnt: Prevent pivot_root from creating a loop in the mount tree
Andy Lutomirski recently demonstrated that when chroot is used to set
the root path below the path for the new ``root'' passed to pivot_root
the pivot_root system call succeeds and leaks mounts.
In examining the code I see that starting with a new root that is
below the current root in the mount tree will result in a loop in the
mount tree after the mounts are detached and then reattached to one
another. Resulting in all kinds of ugliness including a leak of that
mounts involved in the leak of the mount loop.
Prevent this problem by ensuring that the new mount is reachable from
the current root of the mount tree.
[Added stable cc. Fixes CVE-2014-7970. --Andy]
Cc: stable@vger.kernel.org
Reported-by: Andy Lutomirski <luto@amacapital.net>
Reviewed-by: Andy Lutomirski <luto@amacapital.net>
Link: http://lkml.kernel.org/r/87bnpmihks.fsf@x220.int.ebiederm.org
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Need to use WQ_MEM_RECLAIM for our workqueues to prevent I/O lockups
under memory pressure - we sit on the memory reclaim path.
Cc: stable@vger.kernel.org # 3.17, needs backporting for 3.16
Signed-off-by: Ilya Dryomov <idryomov@redhat.com>
Tested-by: Micha Krause <micha@krausam.de>
Reviewed-by: Sage Weil <sage@redhat.com>
Commit f363e45fd1 ("net/ceph: make ceph_msgr_wq non-reentrant")
effectively removed WQ_MEM_RECLAIM flag from ceph_msgr_wq. This is
wrong - libceph is very much a memory reclaim path, so restore it.
Cc: stable@vger.kernel.org # needs backporting for < 3.12
Signed-off-by: Ilya Dryomov <idryomov@redhat.com>
Tested-by: Micha Krause <micha@krausam.de>
Reviewed-by: Sage Weil <sage@redhat.com>
Fix some coccinelle warnings:
fs/ceph/caps.c:2400:6-10: WARNING: Assignment of bool to 0/1
fs/ceph/caps.c:2401:6-15: WARNING: Assignment of bool to 0/1
fs/ceph/caps.c:2402:6-17: WARNING: Assignment of bool to 0/1
fs/ceph/caps.c:2403:6-22: WARNING: Assignment of bool to 0/1
fs/ceph/caps.c:2404:6-22: WARNING: Assignment of bool to 0/1
fs/ceph/caps.c:2405:6-19: WARNING: Assignment of bool to 0/1
fs/ceph/caps.c:2440:4-20: WARNING: Assignment of bool to 0/1
fs/ceph/caps.c:2469:3-16: WARNING: Assignment of bool to 0/1
fs/ceph/caps.c:2490:2-18: WARNING: Assignment of bool to 0/1
fs/ceph/caps.c:2519:3-7: WARNING: Assignment of bool to 0/1
fs/ceph/caps.c:2549:3-12: WARNING: Assignment of bool to 0/1
fs/ceph/caps.c:2575:2-6: WARNING: Assignment of bool to 0/1
fs/ceph/caps.c:2589:3-7: WARNING: Assignment of bool to 0/1
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Ilya Dryomov <idryomov@redhat.com>
For requests with multiple ops, separate ops with commas instead of \t,
which is a field separator here.
Signed-off-by: Ilya Dryomov <idryomov@redhat.com>
Reviewed-by: Sage Weil <sage@redhat.com>
Bring in missing osd ops and strings, use macros to eliminate multiple
points of maintenance.
Signed-off-by: Ilya Dryomov <idryomov@redhat.com>
Reviewed-by: Sage Weil <sage@redhat.com>
ceph_release_page_vector was defined twice in libceph.h
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Ilya Dryomov <idryomov@redhat.com>
Current code set new file/directory's initial ACL in a non-atomic
manner.
Client first sends request to MDS to create new file/directory, then set
the initial ACL after the new file/directory is successfully created.
The fix is include the initial ACL in create/mkdir/mknod MDS requests.
So MDS can handle creating file/directory and setting the initial ACL in
one request.
Signed-off-by: Yan, Zheng <zyan@redhat.com>
Reviewed-by: Sage Weil <sage@redhat.com>
Current code uses page array to present MDS request data. Pages in the
array are allocated/freed by caller of ceph_mdsc_do_request(). If request
is interrupted, the pages can be freed while they are still being used by
the request message.
The fix is use pagelist to present MDS request data. Pagelist is
reference counted.
Signed-off-by: Yan, Zheng <zyan@redhat.com>
Reviewed-by: Sage Weil <sage@redhat.com>
this allow pagelist to present data that may be sent multiple times.
Signed-off-by: Yan, Zheng <zyan@redhat.com>
Reviewed-by: Sage Weil <sage@redhat.com>
Implement version 2 of CEPH_MSG_CLIENT_SESSION syntax,
which includes additional client metadata to allow
the MDS to report on clients by user-sensible names
like hostname.
Signed-off-by: John Spray <john.spray@redhat.com>
Reviewed-by: Yan, Zheng <zyan@redhat.com>
Both ceph_update_writeable_page and ceph_setattr will verify file size
with max size ceph supported.
There are two caller for ceph_update_writeable_page, ceph_write_begin and
ceph_page_mkwrite. For ceph_write_begin, we have already verified the size in
generic_write_checks of ceph_write_iter; for ceph_page_mkwrite, we have no
chance to change file size when mmap. Likewise we have already verified the size
in inode_change_ok when we call ceph_setattr.
So let's remove the redundant code for max file size verification.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Reviewed-by: Yan, Zheng <zyan@redhat.com>
ceph_find_inode() may wait on freeing inode, using it inside the s_mutex
may cause deadlock. (the freeing inode is waiting for OSD read reply, but
dispatch thread is blocked by the s_mutex)
Signed-off-by: Yan, Zheng <zyan@redhat.com>
Reviewed-by: Sage Weil <sage@redhat.com>
Following sequence of events can happen.
- Client releases an inode, queues cap release message.
- A 'lookup' reply brings the same inode back, but the reply
doesn't contain xattrs because MDS didn't receive the cap release
message and thought client already has up-to-data xattrs.
The fix is force sending a getattr request to MDS if xattrs_version
is 0. The getattr mask is set to CEPH_STAT_CAP_XATTR, so MDS knows client
does not have xattr.
Signed-off-by: Yan, Zheng <zyan@redhat.com>
max_discard_sectors must be set for the queue to support discard.
Operations implementing discard for rbd zero data, so report that.
Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
Only allocate two osd ops for discard requests, since the
preallocation hint is only added for regular writes. Use
rbd_img_obj_request_fill() to recreate the original write or discard
osd operations, isolating that logic to one place, and change the
assert in rbd_osd_req_create_copyup() to accept discard requests as
well.
Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
rbd_img_request_fill() creates a ceph_osd_request and has logic for
adding the appropriate osd ops to it based on the request type and
image properties.
For layered images, the original rbd_obj_request is resent with a
copyup operation in front, using a new ceph_osd_request. The logic for
adding the original operations should be the same as when first
sending them, so move it to a helper function.
op_type only needs to be checked once, so create a helper for that as
well and call it outside the loop in rbd_img_request_fill().
Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
Discard requests are a form of write, so they should go through the
same process as plain write requests and trigger copy-on-write for
layered images.
Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
Discard may try to delete an object from a non-layered image that does not exist.
If this occurs, the image already has no data in that range, so change the
result to success.
Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
Discards take a reference to the snapshot context of an image when
they are created. This reference needs to be cleaned up when the
request is done just as it is for regular writes.
Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
In rbd_img_request_fill() the image size is only checked to determine
whether we can truncate an object instead of zeroing it for discard
requests. Take rbd_dev->header_rwsem while reading the image size, and
move this read into the discard check, so that non-discard ops don't
need to take the semaphore in this function.
Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
This patch add the discard support for rbd driver.
There are three types operation in the driver:
1. The objects would be removed if they completely contained
within the discard range.
2. The objects would be truncated if they partly contained within
the discard range, and align with their boundary.
3. Others would be zeroed.
A discard request from blkdev_issue_discard() is defined which
REQ_WRITE and REQ_DISCARD both marked and no data, so we must
check the REQ_DISCARD first when getting the request type.
This resolve:
http://tracker.ceph.com/issues/190
[ Ilya Dryomov: This is incomplete and somewhat buggy, see follow up
commits by Josh Durgin for refinements and fixes which weren't
folded in to preserve authorship. ]
Signed-off-by: Guangliang Zhao <lucienchao@gmail.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
It could only handle the read and write operations now,
extend it for the coming discard support.
Signed-off-by: Guangliang Zhao <lucienchao@gmail.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
It need to copyup the parent's content when layered writing,
but an entire object write would overwrite it, so skip it.
Signed-off-by: Guangliang Zhao <lucienchao@gmail.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
These fields may both change while the image is mapped if a snapshot
is created or deleted or the image is resized. They are guarded by
rbd_dev->header_rwsem, so hold that while reading them, and store a
local copy to refer to outside of the critical section. The local copy
will stay consistent since the snapshot context is reference counted,
and the mapping size is just a u64. This prevents torn loads from
giving us inconsistent values.
Move reading header.snapc into the caller of rbd_img_request_create()
so that we only need to take the semaphore once. The read-only caller,
rbd_parent_request_create() can just pass NULL for snapc, since the
snapshot context is only relevant for writes.
Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
Trying to map an image out of a pool for which we don't have an 'x'
permission bit fails with -ERANGE from ceph_extract_encoded_string()
due to an unsigned vs signed bug. Fix it and get rid of the -EINVAL
sink, thus propagating rbd::get_id cls method errors. (I've seen
a bunch of unexplained -ERANGE reports, I bet this is it).
Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
queue_work() doesn't "fail to queue", it returns false if work was
already on a queue, which can't happen here since we allocate
event_work right before we queue it. So don't bother at all.
Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
we may corrupt waiting list if a request in the waiting list is kicked.
Signed-off-by: Yan, Zheng <zyan@redhat.com>
Reviewed-by: Sage Weil <sage@redhat.com>
Use the more common pr_warn.
Other miscellanea:
o Coalesce formats
o Realign arguments
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
So the recovering MDS does not need to fetch these ununsed inodes during
cache rejoin. This may reduce MDS recovery time.
Signed-off-by: Yan, Zheng <zyan@redhat.com>
If the state variable is krealloced successfully, map->osd_state will be
freed, once following two reallocation failed, and exit the function
without resetting map->osd_state, map->osd_state become a wild pointer.
fix it by resetting them after krealloc successfully.
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
We want "cbc(aes)" algorithm, so select CRYPTO_CBC too, not just
CRYPTO_AES. Otherwise on !CRYPTO_CBC kernels we fail rbd map/mount
with
libceph: error -2 building auth method x request
Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Both not yet registered (r_linger && list_empty(&r_linger_item)) and
registered linger requests should use the new tid on resend to avoid
the dup op detection logic on the OSDs, yet we were doing this only for
"registered" case. Factor out and simplify the "registered" logic and
use the new helper for "not registered" case as well.
Fixes: http://tracker.ceph.com/issues/8806
Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Pull drm updates from Dave Airlie:
"This is the main git pull for the drm,
I pretty much froze major pulls at -rc5/6 time, and haven't had much
fallout, so will probably continue doing that.
Lots of changes all over, big internal header cleanup to make it clear
drm features are legacy things and what are things that modern KMS
drivers should be using. Also big move to use the new generic fences
in all the TTM drivers.
core:
atomic prep work,
vblank rework changes, allows immediate vblank disables
major header reworking and cleanups to better delinate legacy
interfaces from what KMS drivers should be using.
cursor planes locking fixes
ttm:
move to generic fences (affects all TTM drivers)
ppc64 caching fixes
radeon:
userptr support,
uvd for old asics,
reset rework for fence changes
better buffer placement changes,
dpm feature enablement
hdmi audio support fixes
intel:
Cherryview work,
180 degree rotation,
skylake prep work,
execlist command submission
full ppgtt prep work
cursor improvements
edid caching,
vdd handling improvements
nouveau:
fence reworking
kepler memory clock work
gt21x clock work
fan control improvements
hdmi infoframe fixes
DP audio
ast:
ppc64 fixes
caching fix
rcar:
rcar-du DT support
ipuv3:
prep work for capture support
msm:
LVDS support for mdp4, new panel, gpu refactoring
exynos:
exynos3250 SoC support, drop bad mmap interface,
mipi dsi changes, and component match support"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (640 commits)
drm/mst: rework payload table allocation to conform better.
drm/ast: Fix HW cursor image
drm/radeon/kv: add uvd/vce info to dpm debugfs output
drm/radeon/ci: add uvd/vce info to dpm debugfs output
drm/radeon: export reservation_object from dmabuf to ttm
drm/radeon: cope with foreign fences inside the reservation object
drm/radeon: cope with foreign fences inside display
drm/core: use helper to check driver features
drm/radeon/cik: write gfx ucode version to ucode addr reg
drm/radeon/si: print full CS when we hit a packet 0
drm/radeon: remove unecessary includes
drm/radeon/combios: declare legacy_connector_convert as static
drm/radeon/atombios: declare connector convert tables as static
drm/radeon: drop btc_get_max_clock_from_voltage_dependency_table
drm/radeon/dpm: drop clk/voltage dependency filters for BTC
drm/radeon/dpm: drop clk/voltage dependency filters for CI
drm/radeon/dpm: drop clk/voltage dependency filters for SI
drm/radeon/dpm: drop clk/voltage dependency filters for NI
drm/radeon: disable audio when we disable hdmi (v2)
drm/radeon: split audio enable between eg and r600 (v2)
...
Pull misc kbuild updates from Michal Marek:
"This is the less critical kbuild stuff for v3.18-rc1:
- make deb-pkg debuginfo fix, ppc64el support and warning fix for
recent dpkg tools
- make TAGS fixes
- new coccinelle patch
- kbuild documentation improvements"
* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
deb-pkg: remove obsolete -isp option to dpkg-gencontrol
coccinelle: misc: semantic patch to delete overly complex return code processing
deb-pkg: Add support for powerpc little endian
builddeb: put the dbg files into the correct directory
scripts/tags.sh: fix DEFINE_HASHTABLE in emacs case
scripts/tags.sh: remove *PCGFLAGS regular expressions
scripts/tags.sh: Don't specify kind-spec for emacs' ctags/etags
Documentation: kbuild: Improve grammar
Documentation: kbuild: Remove obsolete dtc_cpp section
Documentation: kbuild: Improve if_changed documentation
Documentation: kbuild: Remove obsolete include/asm symlink step
Pull kbuild changes from Michal Marek:
- fix for handling dependencies of *-objs targets by Masahiro Yamada
- lots of cleanups in the kbuild machinery, also by Masahiro
- fixes for the kconfig build to use an UTF-8 capable ncurses library
if possible and to build on not-so-standard installs
- some more minor fixes
* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
kbuild: Do not reference *-n variables in the Makefile
kbuild: simplify build, clean, modbuiltin shorthands
kbuild: arm: Do not define "comma" twice
kbuild: remove obj-n and lib-n handling
kbuild: remove unnecessary variable initializaions
kbuild: remove unnecessary "obj- := dummy.o" trick
kbuild: handle C=... and M=... after entering into build directory
kbuild: use $(Q) for sub-make target
kbuild: fake the "Entering directory ..." message more simply
kconfig/lxdialog: get ncurses CFLAGS with pkg-config
kconfig: nconfig: fix multi-byte UTF handling
kconfig: lxdialog: fix spelling
kbuild: Make scripts executable
kbuild: remove redundant clean-files from scripts/kconfig/Makefile
kbuild: refactor script/kconfig/Makefile
kbuild: handle the dependency of multi-objs hostprogs appropriately
kbuild: handle multi-objs dependency appropriately
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Merge tag 'fscache-fixes-20141013' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull fs-cache fixes from David Howells:
"Two fixes for bugs in CacheFiles and a cleanup in FS-Cache"
* tag 'fscache-fixes-20141013' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
fs/fscache/object-list.c: use __seq_open_private()
CacheFiles: Fix incorrect test for in-memory object collision
CacheFiles: Handle object being killed before being set up
UBIFS is unable to mount a file-system (Hujianyang)
* Few fixes for the ubiblock sybsystem, error path fixes
* The ubiblock subsystem has had the volume size change handling improved
* Few fixes and nicifications in the fastmap subsystem
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Merge tag 'upstream-3.18-rc1-v2' of git://git.infradead.org/linux-ubifs
Pull UBI/UBIFS fixes from Artem Bityutskiy:
- fix for a theoretical race condition which could lead to a situation
when UBIFS is unable to mount a file-system (Hujianyang)
- a few fixes for the ubiblock sybsystem, error path fixes
- the ubiblock subsystem has had the volume size change handling
improved
- a few fixes and nicifications in the fastmap subsystem
* tag 'upstream-3.18-rc1-v2' of git://git.infradead.org/linux-ubifs:
UBI: Fastmap: Calc fastmap size correctly
UBIFS: Fix trivial typo in power_cut_emulated()
UBI: Fix trivial typo in __schedule_ubi_work
UBI: wl: Rename cancel flag to shutdown
UBI: ubi_eba_read_leb: Remove in vain variable assignment
UBIFS: Align the dump messages of SB_NODE
UBI: Fix livelock in produce_free_peb()
UBI: return on error in rename_volumes()
UBI: Improve comment on work_sem
UBIFS: Remove bogus assert
UBI: Dispatch update notification if the volume is updated
UBI: block: Add support for the UBI_VOLUME_UPDATED notification
UBI: block: Fix block device size setting
UBI: block: fix dereference on uninitialized dev
UBI: add missing kmem_cache_free() in process_pool_aeb error path
UBIFS: fix free log space calculation
UBIFS: fix a race condition
