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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest updates from Shuah Khan:
"This update to Kselftest consists of cleanup patches, fixes, and a new
test for ion buffer sharing.
Fixes include changes to skip firmware tests on systems that aren't
configured to support them, as opposed to failing them"
* tag 'linux-kselftest-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: firmware: skip unsupported custom firmware fallback tests
selftests: firmware: skip unsupported async loading tests
selftests: memfd_test.c: fix compilation warning.
selftests/ftrace: Introduce exit_pass and exit_fail
selftests: ftrace: add more config fragments
android/ion: userspace test utility for ion buffer sharing
selftests: remove obsolete kconfig fragment for cpu-hotplug
selftests: vdso_test: support ARM64 targets
selftests/ftrace: Do not use arch dependent do_IRQ as a target function
selftests: breakpoints: fix compile error on breakpoint_test_arm64
selftests: add missing test result status in memory-hotplug test
selftests/exec: include cwd in long path calculation
selftests: seccomp: update .gitignore with newly added tests
selftests: vm: Update .gitignore with newly added tests
selftests: timers: Update .gitignore with newly added tests
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"This fixes a possible memory leak in an error code path in one of the
utility routines (Xiongfeng Wang)"
* tag 'acpi-fix-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / utils: Fix memory leak in acpi_evaluate_reference() error path
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull two power management fixes from Rafael Wysocki:
"This is the change making /proc/cpuinfo on x86 report current CPU
frequency in "cpu MHz" again in all cases and an additional one
dealing with an overzealous check in one of the helper routines in the
runtime PM framework"
* tag 'pm-fixes-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / runtime: Drop children check from __pm_runtime_set_status()
x86 / CPU: Always show current CPU frequency in /proc/cpuinfo
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Pull amdgpu DC display code for Vega from Dave Airlie:
"This is the pull request for the AMD DC (display code) layer which is
a requirement to program the display engines on the new Vega and Raven
based GPUs. It also contains support for all amdgpu supported GPUs
(CIK, VI, Polaris), which has to be enabled. It is also a kms atomic
modesetting compatible driver (unlike the current in-tree display
code).
I've kept it separate from drm-next because it may have some things
that cause you to reject it.
Background story:
AMD have an internal team creating a shared OS codebase for display at
hw bring up time using information from their hardware teams. This
process doesn't lead to the most Linux friendly/looking code but we
have worked together on cleaning a lot of it up and dealing with
sparse/smatch/checkpatch, and having their team internally adhere to
Linux coding standards.
This tree is a complete history rebased since they started opening it,
we decided not to squash it down as the history may have some value.
Some of the commits therefore might not reach kernel standards, and we
are steadily training people in AMD to better write commit msgs.
There is a major bunch of generated bandwidth calculation and
verification code that comes from their hardware team. On Vega and
before this is float calculations, on Raven (DCN10) this is double
based. They do the required things to do FP in the kernel, and I could
understand this might raise some issues. Rewriting the bandwidth would
be a major undertaken in reverification, it's non-trivial to work out
if a display can handle the complete set of mode information thrown at
it.
Future story:
There is a TODO list with this, and it address most of the remaining
things that would be nice to refine/remove. The DCN10 code is still
under development internally and they push out a lot of patches quite
regularly and are supporting this code base with their display team. I
think we've reached the point where keeping it out of tree is going to
motivate distributions to start carrying the code, so I'd prefer we
get it in tree. I think this code is slightly better than STAGING
quality but not massively so, I'd really like to see that float/double
magic gone and fixed point used, but AMD don't seem to think the
accuracy and revalidation of the code is worth the effort"
* tag 'drm-for-v4.15-amd-dc' of git://people.freedesktop.org/~airlied/linux: (1110 commits)
drm/amd/display: fix MST link training fail division by 0
drm/amd/display: Fix formatting for null pointer dereference fix
drm/amd/display: Remove dangling planes on dc commit state
drm/amd/display: add flip_immediate to commit update for stream
drm/amd/display: Miss register MST encoder cbs
drm/amd/display: Fix warnings on S3 resume
drm/amd/display: use num_timing_generator instead of pipe_count
drm/amd/display: use configurable FBC option in dm
drm/amd/display: fix AZ clock not enabled before program AZ endpoint
amdgpu/dm: Don't use DRM_ERROR in amdgpu_dm_atomic_check
amd/display: Fix potential null dereference in dce_calcs.c
amdgpu/dm: Remove unused forward declaration
drm/amdgpu: Remove unused dc_stream from amdgpu_crtc
amdgpu/dc: Fix double unlock in amdgpu_dm_commit_planes
amdgpu/dc: Fix missing null checks in amdgpu_dm.c
amdgpu/dc: Fix potential null dereferences in amdgpu_dm.c
amdgpu/dc: fix more indentation warnings
amdgpu/dc: handle allocation failures in dc_commit_planes_to_stream.
amdgpu/dc: fix indentation warning from smatch.
amdgpu/dc: fix non-ansi function decls.
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git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
Pull thermal management updates from Zhang Rui:
- introduce brcmstb AVS TMON thermal driver (Brian Norris)
- add Rockchip RV1108 support in rockchip thermal driver (Rocky Hao)
- major rework on HISI driver plus additional support of hisi3660
(Daniel Lezcano)
- add nvmem-cells binding on imx6sx (Leonard Crestez)
- fix a NULL pointer dereference on ti thermal driver unloading (Tony
Lindgren)
- improve tmon tool to make it easier to cross-compile tmon (Markus
Mayer)
- add Coffee Lake and Cannon Lake support for intel processor and pch
thermal drivers (Srinivas Pandruvada)
- other small fixes and cleanups (Arvind Yadav, Colin Ian King, Allen
Wild, Nicolin Chen, Baruch SiachNiklas Söderlund, Arnd Bergmann)
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: (44 commits)
thermal: pch: Add Cannon Lake support
thermal: int340x: processor_thermal: Add Coffee Lake support
thermal: int340x: processor_thermal: Add Cannon Lake support
thermal: bxt: remove redundant variable trip
thermal: cpu_cooling: pr_err() strings should end with newlines
thermal: add brcmstb AVS TMON driver
Documentation: devicetree: add binding for Broadcom STB AVS TMON
thermal/drivers/hisi: Add support for hi3660 SoC
thermal/drivers/hisi: Prepare to add support for other hisi platforms
thermal/drivers/hisi: Add platform prefix to function name
thermal/drivers/hisi: Put platform code together
thermal/drivers/qcom-spmi: Use devm_iio_channel_get
thermal/drivers/generic-iio-adc: Switch tz request to devm version
thermal/drivers/step_wise: Fix temperature regulation misbehavior
thermal/drivers/hisi: Use round up step value
thermal/drivers/hisi: Move the clk setup in the corresponding functions
thermal/drivers/hisi: Remove mutex_lock in the code
thermal/drivers/hisi: Remove thermal data back pointer
thermal/drivers/hisi: Convert long to int
thermal/drivers/hisi: Rename and remove unused field
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc updates from Helge Deller:
"Highlights:
- one important fix from Dave to prevent kernel crash when userspace
hands over invalid values to our in-kernel CAS implementation.
- added CPU topology support, including multi-core scheduler support
on PA8900 CPUs
Minor changes:
- minor fixes for sparse (from Luc)
- drop duplicates for CPU_BIG_ENDIAN from parisc and sparc top
Kconfig files (from Babu)
- reorganized parisc PDC (firmware-access) header files for usage
from userspace. Required for upcoming qemu parisc emulator and
SeaBIOS fork to support parisc"
* 'parisc-4.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
arch: Fix duplicates in Kconfig for parisc and sparc
parisc: Make some PDC structures accessible in uapi headers
parisc: Pass endianness info to sparse
parisc: Add CPU topology support
parisc: Fix validity check of pointer size argument in new CAS implementation
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull second round of s390 updates from Martin Schwidefsky:
- rework of the vdso code to avoid the use of the access register mode
- use perf AUX buffers for the transport of diagnostic sample data
- add perf_regs and user stack dump support
- enable perf call graphs for user space programs
- add perf register support for floating-point registers
- all remaining s390 related timer_setup conversions
- bug fixes and cleanups
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (30 commits)
s390: remove unused parameter from Makefile
zfcp: purely mechanical update using timer API, plus blank lines
s390/scsi: Convert timers to use timer_setup()
s390/cpum_sf: correctly set the PID and TID in perf samples
s390/cpum_sf: load program parameter at sampler enablement
s390/perf: add perf register support for floating-point registers
s390/perf: extend perf_regs support to include floating-point registers
s390/perf: define common DWARF register string table
s390/perf: add support for perf_regs and libdw
s390/perf: add perf_regs support and user stack dump
s390/cpum_sf: do not register PMU if no sampling mode is authorized
s390/cpumf: remove raw event support in basic-only sampling mode
s390/perf: add callback to perf to enable using AUX buffer
s390/cpumf: enable using AUX buffer
s390/cpumf: introduce AUX buffer for dump diagnostic sample data
s390/disassembler: increase show_code buffer size
s390: Remove CONFIG_HARDENED_USERCOPY
s390: enable CPU alternatives unconditionally
s390/nmi: remove unused code
s390/mm: remove unused code
...
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Pull NFS client updates from Anna Schumaker:
"Stable bugfixes:
- Revalidate "." and ".." correctly on open
- Avoid RCU usage in tracepoints
- Fix ugly referral attributes
- Fix a typo in nomigration mount option
- Revert "NFS: Move the flock open mode check into nfs_flock()"
Features:
- Implement a stronger send queue accounting system for NFS over RDMA
- Switch some atomics to the new refcount_t type
Other bugfixes and cleanups:
- Clean up access mode bits
- Remove special-case revalidations in nfs_opendir()
- Improve invalidating NFS over RDMA memory for async operations that
time out
- Handle NFS over RDMA replies with a worqueue
- Handle NFS over RDMA sends with a workqueue
- Fix up replaying interrupted requests
- Remove dead NFS over RDMA definitions
- Update NFS over RDMA copyright information
- Be more consistent with bool initialization and comparisons
- Mark expected switch fall throughs
- Various sunrpc tracepoint cleanups
- Fix various OPEN races
- Fix a typo in nfs_rename()
- Use common error handling code in nfs_lock_and_join_request()
- Check that some structures are properly cleaned up during
net_exit()
- Remove net pointer from dprintk()s"
* tag 'nfs-for-4.15-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (62 commits)
NFS: Revert "NFS: Move the flock open mode check into nfs_flock()"
NFS: Fix typo in nomigration mount option
nfs: Fix ugly referral attributes
NFS: super: mark expected switch fall-throughs
sunrpc: remove net pointer from messages
nfs: remove net pointer from messages
sunrpc: exit_net cleanup check added
nfs client: exit_net cleanup check added
nfs/write: Use common error handling code in nfs_lock_and_join_requests()
NFSv4: Replace closed stateids with the "invalid special stateid"
NFSv4: nfs_set_open_stateid must not trigger state recovery for closed state
NFSv4: Check the open stateid when searching for expired state
NFSv4: Clean up nfs4_delegreturn_done
NFSv4: cleanup nfs4_close_done
NFSv4: Retry NFS4ERR_OLD_STATEID errors in layoutreturn
pNFS: Retry NFS4ERR_OLD_STATEID errors in layoutreturn-on-close
NFSv4: Don't try to CLOSE if the stateid 'other' field has changed
NFSv4: Retry CLOSE and DELEGRETURN on NFS4ERR_OLD_STATEID.
NFS: Fix a typo in nfs_rename()
NFSv4: Fix open create exclusive when the server reboots
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git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs
Pull eCryptfs updates from Tyler Hicks:
- miscellaneous code cleanups and refactoring
- fix a possible use after free bug when unloading the module
* tag 'ecryptfs-4.15-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs:
eCryptfs: constify attribute_group structures.
ecryptfs: remove unnecessary i_version bump
ecryptfs: use ARRAY_SIZE
ecryptfs: Adjust four checks for null pointers
ecryptfs: Return an error code only as a constant in ecryptfs_add_global_auth_tok()
ecryptfs: Delete 21 error messages for a failed memory allocation
eCryptfs: use after free in ecryptfs_release_messaging()
ecryptfs: remove private bin2hex implementation
ecryptfs: add missing \n to end of various error messages
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Pull xfs fixes from Darrick Wong:
"A couple more patches to fix a locking bug and some inconsistent type
usage in some of the new code:
- Fix a forgotten rcu read unlock
- Fix some inconsistent integer type usage"
* tag 'xfs-4.15-merge-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: fix type usage
xfs: fix forgotten rcu read unlock when skipping inode reclaim
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Commit e12937279c8b "NFS: Move the flock open mode check into nfs_flock()"
changed NFSv3 behavior for flock() such that the open mode must match the
lock type, however that requirement shouldn't be enforced for flock().
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Cc: stable@vger.kernel.org # v4.12
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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The option was incorrectly masking off all other options.
Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
Cc: stable@vger.kernel.org #3.7
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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Before traversing a referral and performing a mount, the mounted-on
directory looks strange:
dr-xr-xr-x. 2 4294967294 4294967294 0 Dec 31 1969 dir.0
nfs4_get_referral is wiping out any cached attributes with what was
returned via GETATTR(fs_locations), but the bit mask for that
operation does not request any file attributes.
Retrieve owner and timestamp information so that the memcpy in
nfs4_get_referral fills in more attributes.
Changes since v1:
- Don't request attributes that the client unconditionally replaces
- Request only MOUNTED_ON_FILEID or FILEID attribute, not both
- encode_fs_locations() doesn't use the third bitmask word
Fixes: 6b97fd3da1ea ("NFSv4: Follow a referral")
Suggested-by: Pradeep Thomas <pradeepthomas@gmail.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Cc: stable@vger.kernel.org
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Addresses-Coverity-ID: 703509
Addresses-Coverity-ID: 703510
Addresses-Coverity-ID: 703511
Addresses-Coverity-ID: 703512
Addresses-Coverity-ID: 703513
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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Publishing of net pointer is not safe, use net->ns.inum as net ID
[ 171.391947] RPC: created new rpcb local clients
(rpcb_local_clnt: ..., rpcb_local_clnt4: ...) for net f00001e7
[ 171.767188] NFSD: starting 90-second grace period (net f00001e7)
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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Publishing of net pointer is not safe,
use net->ns.inum instead
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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Be sure that all_clients list initialized in net_init hook was return
to initial state.
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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Be sure that nfs_client_list and nfs_volume_list lists initialized
in net_init hook were return to initial state in net_exit hook.
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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Add a jump target so that a bit of exception handling can be better reused
at the end of this function.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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When decoding a CLOSE, replace the stateid returned by the server
with the "invalid special stateid" described in RFC5661, Section 8.2.3.
In nfs_set_open_stateid_locked, ignore stateids from closed state.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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In nfs_set_open_stateid_locked, we must ignore stateids from closed state.
Reported-by: Andrew W Elble <aweits@rit.edu>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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If our layoutreturn returns an NFS4ERR_OLD_STATEID, then try to
update the stateid and retry.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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If our layoutreturn on close operation returns an NFS4ERR_OLD_STATEID,
then try to update the stateid and retry. We know that there should
be no further LAYOUTGET requests being launched.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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If the stateid is no longer recognised on the server, either due to a
restart, or due to a competing CLOSE call, then we do not have to
retry. Any open contexts that triggered a reopen of the file, will
also act as triggers for any CLOSE for the updated stateids.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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If we're racing with an OPEN, then retry the operation instead of
declaring it a success.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
[Andrew W Elble: Fix a typo in nfs4_refresh_open_stateid]
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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On successful rename, the "old_dentry" is retained and is attached to
the "new_dir", so we need to call nfs_set_verifier() accordingly.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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If the server that does not implement NFSv4.1 persistent session
semantics reboots while we are performing an exclusive create,
then the return value of NFS4ERR_DELAY when we replay the open
during the grace period causes us to lose the verifier.
When the grace period expires, and we present a new verifier,
the server will then correctly reply NFS4ERR_EXIST.
This commit ensures that we always present the same verifier when
replaying the OPEN.
Reported-by: Tigran Mkrtchyan <tigran.mkrtchyan@desy.de>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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Ben Coddington has noted the following race between OPEN and CLOSE
on a single client.
Process 1 Process 2 Server
========= ========= ======
1) OPEN file
2) OPEN file
3) Process OPEN (1) seqid=1
4) Process OPEN (2) seqid=2
5) Reply OPEN (2)
6) Receive reply (2)
7) new stateid, seqid=2
8) CLOSE file, using
stateid w/ seqid=2
9) Reply OPEN (1)
10( Process CLOSE (8)
11) Reply CLOSE (8)
12) Forget stateid
file closed
13) Receive reply (7)
14) Forget stateid
file closed.
15) Receive reply (1).
16) New stateid seqid=1
is really the same
stateid that was
closed.
IOW: the reply to the first OPEN is delayed. Since "Process 2" does
not wait before closing the file, and it does not cache the closed
stateid, then when the delayed reply is finally received, it is treated
as setting up a new stateid by the client.
The fix is to ensure that the client processes the OPEN and CLOSE calls
in the same order in which the server processed them.
This commit ensures that we examine the seqid of the stateid
returned by OPEN. If it is a new stateid, we assume the seqid
must be equal to the value 1, and that each state transition
increments the seqid value by 1 (See RFC7530, Section 9.1.4.2,
and RFC5661, Section 8.2.2).
If the tracker sees that an OPEN returns with a seqid that is greater
than the cached seqid + 1, then it bumps a flag to ensure that the
caller waits for the RPCs carrying the missing seqids to complete.
Note that there can still be pathologies where the server crashes before
it can even send us the missing seqids. Since the OPEN call is still
holding a slot when it waits here, that could cause the recovery to
stall forever. To avoid that, we time out after a 5 second wait.
Reported-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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Display information about the RPC procedure being requested in the
trace log. This sometimes critical information cannot always be
derived from other RPC trace entries.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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The rpc_task_begin trace point always display a task ID of zero.
Move the trace point call site so that it picks up the new task ID.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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mount.nf-11159 8.... 905.248380: xprt_transmit: [FAILED TO PARSE] xid=351291440 status=0 addr=192.168.2.5 port=20049
mount.nf-11159 8.... 905.248381: rpc_task_sleep: task:6210@1 flags=0e80 state=0005 status=0 timeout=60000 queue=xprt_pending
kworker/-1591 1.... 905.248419: xprt_lookup_rqst: [FAILED TO PARSE] xid=351291440 status=0 addr=192.168.2.5 port=20049
kworker/-1591 1.... 905.248423: xprt_complete_rqst: [FAILED TO PARSE] xid=351291440 status=24 addr=192.168.2.5 port=20049
Byte swapping is not available during trace-cmd report.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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Bool initializations should use true and false. Bool tests don't need
comparisons.
Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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There isn't an obvious way to acquire and release the RCU lock during a
tracepoint, so we can't use the rpc_peeraddr2str() function here.
Instead, rely on the client's cl_hostname, which should have similar
enough information without needing an rcu_dereference().
Reported-by: Dave Jones <davej@codemonkey.org.uk>
Cc: stable@vger.kernel.org # v3.12
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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Credit work contributed by Oracle engineers since 2014.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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Clean up. This include should have been removed by
commit 23826c7aeac7 ("xprtrdma: Serialize credit accounting again").
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Devesh Sharma <devesh.sharma@broadcom.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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Clean up: C-structure style XDR encoding and decoding logic has
been replaced over the past several merge windows on both the
client and server. These data structures are no longer used.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Devesh Sharma <devesh.sharma@broadcom.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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Lift the Send and LocalInv completion handlers out of soft IRQ mode
to make room for other work. Also, move the Send CQ to a different
CPU than the CPU where the Receive CQ is running, for improved
scalability.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Devesh Sharma <devesh.sharma@broadcom.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull overlayfs updates from Miklos Szeredi:
- Report constant st_ino values across copy-up even if underlying
layers are on different filesystems, but using different st_dev
values for each layer.
Ideally we'd report the same st_dev across the overlay, and it's
possible to do for filesystems that use only 32bits for st_ino by
unifying the inum space. It would be nice if it wasn't a choice of 32
or 64, rather filesystems could report their current maximum (that
could change on resize, so it wouldn't be set in stone).
- miscellaneus fixes and a cleanup of ovl_fill_super(), that was long
overdue.
- created a path_put_init() helper that clears out the pointers after
putting the ref.
I think this could be useful elsewhere, so added it to <linux/path.h>
* 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs: (30 commits)
ovl: remove unneeded arg from ovl_verify_origin()
ovl: Put upperdentry if ovl_check_origin() fails
ovl: rename ufs to ofs
ovl: clean up getting lower layers
ovl: clean up workdir creation
ovl: clean up getting upper layer
ovl: move ovl_get_workdir() and ovl_get_lower_layers()
ovl: reduce the number of arguments for ovl_workdir_create()
ovl: change order of setup in ovl_fill_super()
ovl: factor out ovl_free_fs() helper
ovl: grab reference to workbasedir early
ovl: split out ovl_get_indexdir() from ovl_fill_super()
ovl: split out ovl_get_lower_layers() from ovl_fill_super()
ovl: split out ovl_get_workdir() from ovl_fill_super()
ovl: split out ovl_get_upper() from ovl_fill_super()
ovl: split out ovl_get_lowerstack() from ovl_fill_super()
ovl: split out ovl_get_workpath() from ovl_fill_super()
ovl: split out ovl_get_upperpath() from ovl_fill_super()
ovl: use path_put_init() in error paths for ovl_fill_super()
vfs: add path_put_init()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux
Pull file locking update from Jeff Layton:
"A couple of fixes for a patch that went into v4.14, and the bug report
just came in a few days ago.. It passes my (minimal) testing, and has
been in linux-next for a few days now.
I also would like to get my address changed in MAINTAINERS to clear
that hurdle"
* tag 'locks-v4.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux:
fcntl: don't cap l_start and l_end values for F_GETLK64 in compat syscall
fcntl: don't leak fd reference when fixup_compat_flock fails
MAINTAINERS: s/jlayton@poochiereds.net/jlayton@kernel.org/
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull cramfs updates from Al Viro:
"Nicolas Pitre's cramfs work"
* 'work.cramfs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
cramfs: rehabilitate it
cramfs: add mmap support
cramfs: implement uncompressed and arbitrary data block positioning
cramfs: direct memory access support
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc vfs updates from Al Viro:
"Assorted stuff, really no common topic here"
* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
vfs: grab the lock instead of blocking in __fd_install during resizing
vfs: stop clearing close on exec when closing a fd
include/linux/fs.h: fix comment about struct address_space
fs: make fiemap work from compat_ioctl
coda: fix 'kernel memory exposure attempt' in fsync
pstore: remove unneeded unlikely()
vfs: remove unneeded unlikely()
stubs for mount_bdev() and kill_block_super() in !CONFIG_BLOCK case
make vfs_ustat() static
do_handle_open() should be static
elf_fdpic: fix unused variable warning
fold destroy_super() into __put_super()
new helper: destroy_unused_super()
fix address space warnings in ipc/
acct.h: get rid of detritus
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull get_user_pages_fast() conversion from Al Viro:
"A bunch of places switched to get_user_pages_fast()"
* 'work.get_user_pages_fast' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
ceph: use get_user_pages_fast()
pvr2fs: use get_user_pages_fast()
atomisp: use get_user_pages_fast()
st: use get_user_pages_fast()
via_dmablit(): use get_user_pages_fast()
fsl_hypervisor: switch to get_user_pages_fast()
rapidio: switch to get_user_pages_fast()
vchiq_2835_arm: switch to get_user_pages_fast()
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull iov_iter updates from Al Viro:
- bio_{map,copy}_user_iov() series; those are cleanups - fixes from the
same pile went into mainline (and stable) in late September.
- fs/iomap.c iov_iter-related fixes
- new primitive - iov_iter_for_each_range(), which applies a function
to kernel-mapped segments of an iov_iter.
Usable for kvec and bvec ones, the latter does kmap()/kunmap() around
the callback. _Not_ usable for iovec- or pipe-backed iov_iter; the
latter is not hard to fix if the need ever appears, the former is by
design.
Another related primitive will have to wait for the next cycle - it
passes page + offset + size instead of pointer + size, and that one
will be usable for everything _except_ kvec. Unfortunately, that one
didn't get exposure in -next yet, so...
- a bit more lustre iov_iter work, including a use case for
iov_iter_for_each_range() (checksum calculation)
- vhost/scsi leak fix in failure exit
- misc cleanups and detritectomy...
* 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (21 commits)
iomap_dio_actor(): fix iov_iter bugs
switch ksocknal_lib_recv_...() to use of iov_iter_for_each_range()
lustre: switch struct ksock_conn to iov_iter
vhost/scsi: switch to iov_iter_get_pages()
fix a page leak in vhost_scsi_iov_to_sgl() error recovery
new primitive: iov_iter_for_each_range()
lnet_return_rx_credits_locked: don't abuse list_entry
xen: don't open-code iov_iter_kvec()
orangefs: remove detritus from struct orangefs_kiocb_s
kill iov_shorten()
bio_alloc_map_data(): do bmd->iter setup right there
bio_copy_user_iov(): saner bio size calculation
bio_map_user_iov(): get rid of copying iov_iter
bio_copy_from_iter(): get rid of copying iov_iter
move more stuff down into bio_copy_user_iov()
blk_rq_map_user_iov(): move iov_iter_advance() down
bio_map_user_iov(): get rid of the iov_for_each()
bio_map_user_iov(): move alignment check into the main loop
don't rely upon subsequent bio_add_pc_page() calls failing
... and with iov_iter_get_pages_alloc() it becomes even simpler
...
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull compat and uaccess updates from Al Viro:
- {get,put}_compat_sigset() series
- assorted compat ioctl stuff
- more set_fs() elimination
- a few more timespec64 conversions
- several removals of pointless access_ok() in places where it was
followed only by non-__ variants of primitives
* 'misc.compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (24 commits)
coredump: call do_unlinkat directly instead of sys_unlink
fs: expose do_unlinkat for built-in callers
ext4: take handling of EXT4_IOC_GROUP_ADD into a helper, get rid of set_fs()
ipmi: get rid of pointless access_ok()
pi433: sanitize ioctl
cxlflash: get rid of pointless access_ok()
mtdchar: get rid of pointless access_ok()
r128: switch compat ioctls to drm_ioctl_kernel()
selection: get rid of field-by-field copyin
VT_RESIZEX: get rid of field-by-field copyin
i2c compat ioctls: move to ->compat_ioctl()
sched_rr_get_interval(): move compat to native, get rid of set_fs()
mips: switch to {get,put}_compat_sigset()
sparc: switch to {get,put}_compat_sigset()
s390: switch to {get,put}_compat_sigset()
ppc: switch to {get,put}_compat_sigset()
parisc: switch to {get,put}_compat_sigset()
get_compat_sigset()
get rid of {get,put}_compat_itimerspec()
io_getevents: Use timespec64 to represent timeouts
...
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Pull more block layer updates from Jens Axboe:
"A followup pull request, with some parts that either needed a bit more
testing before going in, merge sync, or just later arriving fixes.
This contains:
- Timer related updates from Kees. These were purposefully delayed
since I didn't want to pull in a later v4.14-rc tag to my block
tree.
- ide-cd prep sense buffer fix from Bart. Also delayed, as not to
clash with the late fix we put into 4.14-rc.
- Small BFQ updates series from Luca and Paolo.
- Single nvmet fix from James, fixing a non-functional case there.
- Bio fast clone fix from Michael, which made bcache return the wrong
data for some cases.
- Legacy IO path regression hang fix from Ming"
* 'for-linus' of git://git.kernel.dk/linux-block:
bio: ensure __bio_clone_fast copies bi_partno
nvmet_fc: fix better length checking
block: wake up all tasks blocked in get_request()
block, bfq: move debug blkio stats behind CONFIG_DEBUG_BLK_CGROUP
block, bfq: update blkio stats outside the scheduler lock
block, bfq: add missing invocations of bfqg_stats_update_io_add/remove
doc, block, bfq: update max IOPS sustainable with BFQ
ide: Make ide_cdrom_prep_fs() initialize the sense buffer pointer
md: Convert timers to use timer_setup()
block: swim3: Convert timers to use timer_setup()
block/aoe: Convert timers to use timer_setup()
amifloppy: Convert timers to use timer_setup()
block/floppy: Convert callback to pass timer_list
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