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ipc: drop ipc_lock_by_ptr

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After previous cleanups and optimizations, this function is no longer
heavily used and we don't have a good reason to keep it.  Update the few
remaining callers and get rid of it.

Signed-off-by: Davidlohr Bueso <[email protected]>
Cc: Sedat Dilek <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: Manfred Spraul <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Davidlohr Bueso 2013-09-11 14:26:29 -07:00 • committed by Linus Torvalds
commit 32a2750010
3 changed files with 6 additions and 9 deletions
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6
ipc/util.h
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@ -171,12 +171,6 @@ static inline void ipc_assert_locked_object(struct kern_ipc_perm *perm)
assert_spin_locked(&perm->lock);
}
static inline void ipc_lock_by_ptr(struct kern_ipc_perm *perm)
{
rcu_read_lock();
ipc_lock_object(perm);
}
static inline void ipc_unlock(struct kern_ipc_perm *perm)
{
ipc_unlock_object(perm);