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ffffffffa02e789e
2009 Feb 11
1
Possible lock inversion in directory locking
...ner or later)?
Honza
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[ INFO: possible circular locking dependency detected ]
2.6.29-rc3-default #5
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cp/3919 is trying to acquire lock:
(&oi->ip_alloc_sem){----}, at: [<ffffffffa02e789e>] ocfs2_prepare_dir_for_insert+0x13d3/0x1999 [ocfs2]
but task is already holding lock:
(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){--..}, at: [<ffffffffa03017ff>] ocfs2_reserve_local_alloc_bits+0xf6/0xdec [ocfs2]
which lock already depends on the new lock.
the existing...