Messages in this thread | | | Date | Mon, 5 Mar 2012 21:35:58 +0000 | From | Al Viro <> | Subject | Re: Linus GIT (3.3.0-rc6+) -- INFO: possible circular locking dependency detected |
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On Mon, Mar 05, 2012 at 01:23:34PM -0800, Andrew Morton wrote: > mmap_sem nests inside i_mutex. > > On the path > > munmap > ->ecryptfs_vma_close > ->filemap_write_and_wait > ->generic_file_aio_write > > we're taking i_mutex inside mmap_sem. So the problem is triggered by > ecryptfs_vma_close() calling filemap_write_and_wait() inside munmap()'s > mmap_sem. > > Question is: what did we recently change to cause this to happen?
AFAICS, it's commit 32001d6fe9ac6b0423e674a3093aa56740849f3b Author: Tyler Hicks <tyhicks@canonical.com> Date: Mon Nov 21 17:31:29 2011 -0600
eCryptfs: Flush file in vma close
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