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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-02-18 07:28:37 -0800 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-02-18 07:28:37 -0800 |
| commit | 65d2918e716afb89359cfa59734d76c1ff8700cb (patch) | |
| tree | 4685404f96642243d62c3a1a823340913d087090 /kernel/locking/spinlock.c | |
| parent | bf40e5561fd288a505d5d8d8bf45eef96fe7253d (diff) | |
| parent | 338d00cfef07d74a072f96821c64b20f98517d72 (diff) | |
Merge branch 'cleanups'
Merge cleanups requested by Linus.
* cleanups: (3 commits)
pnfs: Refactor the *_layout_mark_request_commit to use pnfs_layout_mark_request_commit
nfs: Can call nfs_clear_page_commit() instead
nfs: Provide and use helper functions for marking a page as unstable
Diffstat (limited to 'kernel/locking/spinlock.c')
| -rw-r--r-- | kernel/locking/spinlock.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/locking/spinlock.c b/kernel/locking/spinlock.c index 4b082b5cac9e..db3ccb1dd614 100644 --- a/kernel/locking/spinlock.c +++ b/kernel/locking/spinlock.c @@ -363,6 +363,14 @@ void __lockfunc _raw_spin_lock_nested(raw_spinlock_t *lock, int subclass) } EXPORT_SYMBOL(_raw_spin_lock_nested); +void __lockfunc _raw_spin_lock_bh_nested(raw_spinlock_t *lock, int subclass) +{ + __local_bh_disable_ip(_RET_IP_, SOFTIRQ_LOCK_OFFSET); + spin_acquire(&lock->dep_map, subclass, 0, _RET_IP_); + LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock); +} +EXPORT_SYMBOL(_raw_spin_lock_bh_nested); + unsigned long __lockfunc _raw_spin_lock_irqsave_nested(raw_spinlock_t *lock, int subclass) { |