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| author | Tejun Heo <tj@kernel.org> | 2013-02-27 17:04:57 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-27 19:10:20 -0800 |
| commit | 19a101a02ec65400233459ee7cef7037dbe8f15b (patch) | |
| tree | 4166d34c37ba10d1b288a9dc037cf03c03eb3a3a /net/9p | |
| parent | ee94d523bf92d3b8b2de166943d48ac7fd695e10 (diff) | |
| download | linux-19a101a02ec65400233459ee7cef7037dbe8f15b.tar.gz | |
net/9p: convert to idr_alloc()
Convert to the much saner new idr interface. 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> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'net/9p')
| -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); |