Convert to the much saner new idr interface.
Only compile tested.
Signed-off-by: Tejun Heo <t...@kernel.org>
Cc: Eric Van Hensbergen <eri...@gmail.com>
Cc: Ron Minnich <rminn...@sandia.gov>
Cc: Latchesar Ionkov <lu...@ionkov.net>
Cc: v9fs-develo...@lists.sourceforge.net
---
This patch depends on an earlier idr changes and I think it would be
best to route these together through -mm. Please holler if there's
any objection. Thanks.
net/9p/util.c | 17 ++++++-----------
1 file changed, 6 insertions(+), 11 deletions(-)
diff --git a/net/9p/util.c b/net/9p/util.c
index 6ceeeb3..59f278e 100644
--- a/net/9p/util.c
+++ b/net/9p/util.c
@@ -87,23 +87,18 @@ EXPORT_SYMBOL(p9_idpool_destroy);
int p9_idpool_get(struct p9_idpool *p)
{
- int i = 0;
- int error;
+ int i;
unsigned long flags;
-retry:
- if (idr_pre_get(&p->pool, GFP_NOFS) == 0)
- return -1;
-
+ idr_preload(GFP_NOFS);
spin_lock_irqsave(&p->lock, flags);
/* no need to store exactly p, we just need something non-null */
- error = idr_get_new(&p->pool, p, &i);
- spin_unlock_irqrestore(&p->lock, flags);
+ i = idr_alloc(&p->pool, p, 0, 0, GFP_NOWAIT);
- if (error == -EAGAIN)
- goto retry;
- else if (error)
+ spin_unlock_irqrestore(&p->lock, flags);
+ idr_preload_end();
+ if (i < 0)
return -1;
p9_debug(P9_DEBUG_MUX, " id %d pool %p\n", i, p);
--
1.8.1
--
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