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NFS: Fix put_nfs_open_context
authorTrond Myklebust <Trond.Myklebust@netapp.com>
Thu, 26 Jul 2007 16:06:17 +0000 (12:06 -0400)
committerTrond Myklebust <Trond.Myklebust@netapp.com>
Tue, 7 Aug 2007 19:13:17 +0000 (15:13 -0400)
commit5e11934d13c9a3bcb0cadad6c7a7de5c32660422
tree639e5660e9081bc16afccf0c509ff41c413b483dtree | snapshot (tar.bz2 tar.gz zip)
parentb247bbf1da69ce376aa1ceb8057331214589e366commit | diff
NFS: Fix put_nfs_open_context

We need to grab the inode->i_lock atomically with the last reference put in
order to remove the open context that is being freed from the
nfsi->open_files list.

Fix by converting the kref to a standard atomic counter and then using
atomic_dec_and_lock()...

Thanks to Arnd Bergmann for pointing out the problem.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
fs/nfs/inode.c diff | blob | blame | history
include/linux/nfs_fs.h diff | blob | blame | history
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