diff options
author | Tejun Heo <tj@kernel.org> | 2013-02-07 12:31:51 +1100 |
---|---|---|
committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2013-02-14 15:26:29 +1100 |
commit | 75d100035cf5bb5cff57bdd4471d4ded4bd1820b (patch) | |
tree | cbcfa743916fdbbdea0472b8bfc4121d281938a8 /net | |
parent | 7dca69394df3cfc46b806afbf7c7d30d8850b939 (diff) |
net/9p: convert to idr_alloc()
Convert to the much saner new idr interface.
Only compile tested.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Ron Minnich <rminnich@sandia.gov>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'net')
-rw-r--r-- | net/9p/util.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/net/9p/util.c b/net/9p/util.c index 6ceeeb384de7..59f278e64f58 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); |