Re: [PATCH] freezer,NFS: add an unsafe schedule_timeout_interruptable freezable helper for NFS
From: kbuild test robot
Date: Thu Aug 29 2019 - 16:23:42 EST
Hi Benjamin,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master]
[cannot apply to v5.3-rc6 next-20190829]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Benjamin-Coddington/freezer-NFS-add-an-unsafe-schedule_timeout_interruptable-freezable-helper-for-NFS/20190829-161623
config: i386-randconfig-a002-201934 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.2-10+deb8u1) 4.9.2
reproduce:
# save the attached .config to linux build tree
make ARCH=i386
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@xxxxxxxxx>
All errors (new ones prefixed by >>):
fs/nfs/nfs4proc.c: In function 'nfs4_delay_interruptible':
>> fs/nfs/nfs4proc.c:418:2: error: implicit declaration of function 'freezable_schedule_timeout_interruptible_unsafe' [-Werror=implicit-function-declaration]
freezable_schedule_timeout_interruptible_unsafe(nfs4_update_delay(timeout));
^
Cyclomatic Complexity 5 include/linux/compiler.h:__read_once_size
Cyclomatic Complexity 5 include/linux/compiler.h:__write_once_size
Cyclomatic Complexity 1 include/linux/kasan-checks.h:kasan_check_read
Cyclomatic Complexity 1 include/linux/kasan-checks.h:kasan_check_write
Cyclomatic Complexity 2 arch/x86/include/asm/bitops.h:arch_set_bit
Cyclomatic Complexity 2 arch/x86/include/asm/bitops.h:arch_clear_bit
Cyclomatic Complexity 2 arch/x86/include/asm/bitops.h:arch_test_and_clear_bit
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:constant_test_bit
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:variable_test_bit
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:fls
Cyclomatic Complexity 1 include/asm-generic/bitops-instrumented.h:set_bit
Cyclomatic Complexity 1 include/asm-generic/bitops-instrumented.h:clear_bit
Cyclomatic Complexity 1 include/asm-generic/bitops-instrumented.h:test_and_clear_bit
Cyclomatic Complexity 2 include/asm-generic/bitops-instrumented.h:test_bit
Cyclomatic Complexity 1 include/linux/log2.h:__ilog2_u32
Cyclomatic Complexity 1 arch/x86/include/asm/current.h:get_current
Cyclomatic Complexity 68 include/asm-generic/getorder.h:get_order
Cyclomatic Complexity 2 arch/x86/include/asm/jump_label.h:arch_static_branch
Cyclomatic Complexity 1 include/linux/jump_label.h:static_key_false
Cyclomatic Complexity 1 include/linux/cpumask.h:cpu_max_bits_warn
Cyclomatic Complexity 1 include/linux/cpumask.h:cpumask_check
Cyclomatic Complexity 1 include/linux/cpumask.h:cpumask_test_cpu
Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:arch_atomic_read
Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:arch_atomic_set
Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:arch_atomic_inc
Cyclomatic Complexity 2 arch/x86/include/asm/atomic.h:arch_atomic_dec_and_test
Cyclomatic Complexity 2 arch/x86/include/asm/atomic.h:arch_atomic_try_cmpxchg
Cyclomatic Complexity 1 arch/x86/include/asm/atomic64_32.h:arch_atomic64_set
Cyclomatic Complexity 1 arch/x86/include/asm/atomic64_32.h:arch_atomic64_read
Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic_read
Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic_set
Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic_inc
Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic_try_cmpxchg
Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic_dec_and_test
Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic64_read
Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic64_set
Cyclomatic Complexity 1 include/linux/err.h:ERR_PTR
Cyclomatic Complexity 1 include/linux/err.h:PTR_ERR
Cyclomatic Complexity 1 include/linux/err.h:IS_ERR
Cyclomatic Complexity 1 include/linux/err.h:ERR_CAST
Cyclomatic Complexity 1 arch/x86/include/asm/irqflags.h:native_save_fl
Cyclomatic Complexity 1 arch/x86/include/asm/irqflags.h:native_restore_fl
Cyclomatic Complexity 1 arch/x86/include/asm/irqflags.h:native_irq_disable
Cyclomatic Complexity 1 arch/x86/include/asm/irqflags.h:arch_local_save_flags
Cyclomatic Complexity 1 arch/x86/include/asm/irqflags.h:arch_local_irq_restore
Cyclomatic Complexity 1 arch/x86/include/asm/irqflags.h:arch_local_irq_disable
Cyclomatic Complexity 1 arch/x86/include/asm/irqflags.h:arch_local_irq_save
Cyclomatic Complexity 1 arch/x86/include/asm/irqflags.h:arch_irqs_disabled_flags
Cyclomatic Complexity 1 arch/x86/include/asm/processor.h:rep_nop
Cyclomatic Complexity 1 arch/x86/include/asm/processor.h:cpu_relax
Cyclomatic Complexity 1 include/linux/thread_info.h:test_ti_thread_flag
Cyclomatic Complexity 5 arch/x86/include/asm/preempt.h:__preempt_count_add
Cyclomatic Complexity 5 arch/x86/include/asm/preempt.h:__preempt_count_sub
Cyclomatic Complexity 1 include/linux/spinlock.h:spin_lock
Cyclomatic Complexity 1 include/linux/spinlock.h:spin_unlock
Cyclomatic Complexity 2 include/linux/seqlock.h:seqcount_lockdep_reader_access
Cyclomatic Complexity 2 include/linux/seqlock.h:__read_seqcount_begin
Cyclomatic Complexity 1 include/linux/seqlock.h:raw_read_seqcount_begin
Cyclomatic Complexity 1 include/linux/seqlock.h:read_seqcount_begin
Cyclomatic Complexity 1 include/linux/seqlock.h:raw_seqcount_begin
Cyclomatic Complexity 1 include/linux/seqlock.h:__read_seqcount_retry
Cyclomatic Complexity 1 include/linux/seqlock.h:read_seqcount_retry
Cyclomatic Complexity 1 include/linux/seqlock.h:raw_write_seqcount_begin
Cyclomatic Complexity 1 include/linux/seqlock.h:raw_write_seqcount_end
Cyclomatic Complexity 1 include/linux/seqlock.h:write_seqcount_begin_nested
Cyclomatic Complexity 1 include/linux/seqlock.h:write_seqcount_begin
Cyclomatic Complexity 1 include/linux/seqlock.h:write_seqcount_end
Cyclomatic Complexity 1 include/linux/seqlock.h:write_seqlock
Cyclomatic Complexity 1 include/linux/seqlock.h:write_sequnlock
Cyclomatic Complexity 1 include/linux/rcupdate.h:__rcu_read_lock
Cyclomatic Complexity 1 include/linux/rcupdate.h:__rcu_read_unlock
Cyclomatic Complexity 1 include/linux/rcupdate.h:rcu_lock_acquire
Cyclomatic Complexity 1 include/linux/rcupdate.h:rcu_lock_release
Cyclomatic Complexity 4 include/linux/rcupdate.h:rcu_read_lock
Cyclomatic Complexity 4 include/linux/rcupdate.h:rcu_read_unlock
Cyclomatic Complexity 1 include/linux/rcupdate.h:rcu_read_lock_sched_notrace
Cyclomatic Complexity 1 include/linux/rcupdate.h:rcu_read_unlock_sched_notrace
Cyclomatic Complexity 1 include/linux/ktime.h:ktime_to_ns
Cyclomatic Complexity 2 include/linux/page-flags.h:compound_head
Cyclomatic Complexity 1 include/linux/gfp.h:alloc_pages
Cyclomatic Complexity 2 include/linux/page_ref.h:page_ref_dec_and_test
Cyclomatic Complexity 1 include/linux/refcount.h:refcount_set
Cyclomatic Complexity 1 include/linux/refcount.h:refcount_read
Cyclomatic Complexity 1 arch/x86/include/asm/refcount.h:refcount_inc
Cyclomatic Complexity 3 arch/x86/include/asm/refcount.h:refcount_dec_and_test
Cyclomatic Complexity 5 arch/x86/include/asm/refcount.h:refcount_add_not_zero
Cyclomatic Complexity 1 arch/x86/include/asm/refcount.h:refcount_inc_not_zero
Cyclomatic Complexity 1 arch/x86/include/asm/signal.h:__const_sigismember
Cyclomatic Complexity 1 include/linux/sched.h:task_thread_info
Cyclomatic Complexity 1 include/linux/sched.h:test_tsk_thread_flag
Cyclomatic Complexity 2 include/linux/dcache.h:dget
Cyclomatic Complexity 1 include/linux/dcache.h:d_really_is_negative
Cyclomatic Complexity 1 include/linux/dcache.h:d_really_is_positive
Cyclomatic Complexity 1 include/linux/dcache.h:d_inode
Cyclomatic Complexity 2 include/linux/fs.h:i_size_read
Cyclomatic Complexity 1 include/linux/fs.h:file_inode
Cyclomatic Complexity 1 include/linux/mm.h:put_page_testzero
Cyclomatic Complexity 1 include/linux/mm.h:put_devmap_managed_page
vim +/freezable_schedule_timeout_interruptible_unsafe +418 fs/nfs/nfs4proc.c
413
414 static int nfs4_delay_interruptible(long *timeout)
415 {
416 might_sleep();
417
> 418 freezable_schedule_timeout_interruptible_unsafe(nfs4_update_delay(timeout));
419 if (!signal_pending(current))
420 return 0;
421 return __fatal_signal_pending(current) ? -EINTR :-ERESTARTSYS;
422 }
423
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