diff options
| author | Tejun Heo <tj@kernel.org> | 2013-02-27 17:04:56 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-27 19:10:19 -0800 |
| commit | ee94d523bf92d3b8b2de166943d48ac7fd695e10 (patch) | |
| tree | 841fc7212003a43da67a7da6eee05dbe7556b742 /kernel/posix-timers.c | |
| parent | 0e9c3be20d88aa5ed13fde4ece50f45eb96824ad (diff) | |
| download | lwn-ee94d523bf92d3b8b2de166943d48ac7fd695e10.tar.gz lwn-ee94d523bf92d3b8b2de166943d48ac7fd695e10.zip | |
posix-timers: convert to idr_alloc()
Convert to the much saner new idr interface.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/posix-timers.c')
| -rw-r--r-- | kernel/posix-timers.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c index 7edfe4b901e7..6edbb2c55c22 100644 --- a/kernel/posix-timers.c +++ b/kernel/posix-timers.c @@ -552,24 +552,22 @@ SYSCALL_DEFINE3(timer_create, const clockid_t, which_clock, return -EAGAIN; spin_lock_init(&new_timer->it_lock); - retry: - if (unlikely(!idr_pre_get(&posix_timers_id, GFP_KERNEL))) { - error = -EAGAIN; - goto out; - } + + idr_preload(GFP_KERNEL); spin_lock_irq(&idr_lock); - error = idr_get_new(&posix_timers_id, new_timer, &new_timer_id); + error = idr_alloc(&posix_timers_id, new_timer, 0, 0, GFP_NOWAIT); spin_unlock_irq(&idr_lock); - if (error) { - if (error == -EAGAIN) - goto retry; + idr_preload_end(); + if (error < 0) { /* * Weird looking, but we return EAGAIN if the IDR is * full (proper POSIX return value for this) */ - error = -EAGAIN; + if (error == -ENOSPC) + error = -EAGAIN; goto out; } + new_timer_id = error; it_id_set = IT_ID_SET; new_timer->it_id = (timer_t) new_timer_id; |