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xfs: fix per-ag reference counting in inode reclaim tree walking
[pandora-kernel.git]
/
fs
/
xfs
/
xfs_mount.c
diff --git
a/fs/xfs/xfs_mount.c
b/fs/xfs/xfs_mount.c
index
b1498ab
..
19e9dfa
100644
(file)
--- a/
fs/xfs/xfs_mount.c
+++ b/
fs/xfs/xfs_mount.c
@@
-275,6
+275,7
@@
xfs_free_perag(
pag = radix_tree_delete(&mp->m_perag_tree, agno);
spin_unlock(&mp->m_perag_lock);
ASSERT(pag);
+ ASSERT(atomic_read(&pag->pag_ref) == 0);
call_rcu(&pag->rcu_head, __xfs_free_perag);
}
}