On Wed, 2007-11-14 at 21:01 +0100, Peter Zijlstra wrote:

Currently there is an AB-BA deadlock in NFS mmap.

nfs_file_mmap() can take i_mutex, while holding mmap_sem, whereas the regular
locking order is the other way around.

This patch-set attempts to solve this issue.

Looks good from the NFS point of view.

Acked-by: Trond Myklebust <redacted>

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