pnfsblock: don't spinlock when freeing block_dev
authorPeng Tao <bergwolf@gmail.com>
Thu, 12 Jan 2012 15:18:47 +0000 (23:18 +0800)
committerTrond Myklebust <Trond.Myklebust@netapp.com>
Thu, 12 Jan 2012 21:39:04 +0000 (16:39 -0500)
commit93a3844ee0f843b05a1df4b52e1a19ff26b98d24
treeefd2ca7a8a711e779a04c47af6166abd8f844073
parent57582b372f63d0f655b1a35b0d306d73d1a46775
pnfsblock: don't spinlock when freeing block_dev

bl_free_block_dev() may sleep. We can not call it with spinlock held.
Besides, there is no need to take bm_lock as we are last user freeing bm_devlist.

Cc: <stable@vger.kernel.org> #3.1+
Signed-off-by: Peng Tao <peng_tao@emc.com>
Signed-off-by: Benny Halevy <bhalevy@tonian.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
fs/nfs/blocklayout/blocklayout.c