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| author | Stefani Seibold <stefani@seibold.net> | 2009-12-21 14:37:27 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-22 14:17:56 -0800 |
| commit | c1e13f25674ed564948ecb7dfe5f83e578892896 (patch) | |
| tree | 24fac07b3e2b66dff01c3127b34077de1de4c101 /drivers/scsi/libsrp.c | |
| parent | 45465487897a1c6d508b14b904dc5777f7ec7e04 (diff) | |
| download | kernel_samsung_smdk4412-c1e13f25674ed564948ecb7dfe5f83e578892896.zip kernel_samsung_smdk4412-c1e13f25674ed564948ecb7dfe5f83e578892896.tar.gz kernel_samsung_smdk4412-c1e13f25674ed564948ecb7dfe5f83e578892896.tar.bz2 | |
kfifo: move out spinlock
Move the pointer to the spinlock out of struct kfifo. Most users in
tree do not actually use a spinlock, so the few exceptions now have to
call kfifo_{get,put}_locked, which takes an extra argument to a
spinlock.
Signed-off-by: Stefani Seibold <stefani@seibold.net>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Acked-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/scsi/libsrp.c')
| -rw-r--r-- | drivers/scsi/libsrp.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/scsi/libsrp.c b/drivers/scsi/libsrp.c index b1b5e51..db1b41c 100644 --- a/drivers/scsi/libsrp.c +++ b/drivers/scsi/libsrp.c @@ -58,8 +58,7 @@ static int srp_iu_pool_alloc(struct srp_queue *q, size_t max, goto free_pool; spin_lock_init(&q->lock); - kfifo_init(&q->queue, (void *) q->pool, max * sizeof(void *), - &q->lock); + kfifo_init(&q->queue, (void *) q->pool, max * sizeof(void *)); for (i = 0, iue = q->items; i < max; i++) { __kfifo_put(&q->queue, (void *) &iue, sizeof(void *)); @@ -164,7 +163,8 @@ struct iu_entry *srp_iu_get(struct srp_target *target) { struct iu_entry *iue = NULL; - kfifo_get(&target->iu_queue.queue, (void *) &iue, sizeof(void *)); + kfifo_get_locked(&target->iu_queue.queue, (void *) &iue, + sizeof(void *), &target->iu_queue.lock); if (!iue) return iue; iue->target = target; @@ -176,7 +176,8 @@ EXPORT_SYMBOL_GPL(srp_iu_get); void srp_iu_put(struct iu_entry *iue) { - kfifo_put(&iue->target->iu_queue.queue, (void *) &iue, sizeof(void *)); + kfifo_put_locked(&iue->target->iu_queue.queue, (void *) &iue, + sizeof(void *), &iue->target->iu_queue.lock); } EXPORT_SYMBOL_GPL(srp_iu_put); |