[PATCH 0/3] mmap vs NFS

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.

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• Follow-Ups:
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  • [PATCH 1/3] mm: pull mmap_sem into do_mmap{,_pgoff}
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    • From: Peter Zijlstra <[email protected]>
  • [PATCH 3/3] nfs: use ->mmap_prepare() to avoid an AB-BA deadlock
    • From: Peter Zijlstra <[email protected]>

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