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authorAnthony Liguori <aliguori@us.ibm.com>2008-02-06 19:25:04 -0600
committerEric Van Hensbergen <ericvh@opteron.homeip.net>2008-02-06 19:25:04 -0600
commitdea7bbb603735ceceb07bb370eca17198faf7c8d (patch)
tree9792ffca08225d8b1b19c250c33dd2b74441698f /lib/inflate.c
parent14b8869ff4f00f105ea76678997b4d49d27baae3 (diff)
9p: Convert semaphore to spinlock for p9_idpool
When booting from v9fs, down_interruptible in p9_idpool_get() triggered a BUG as it was being called with IRQs disabled. A spinlock seems like the right thing to be using since the idr functions go out of their way not to sleep. This patch eliminates the BUG by converting the semaphore to a spinlock. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Acked-by: Eric Van Hensbergen <ericvh@gmail.com>
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