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/freebsd-10.2-release/sys/fs/msdosfs/
H A Dmsdosfs_denode.cdiff 7755 Tue Apr 11 17:13:17 MDT 1995 bde Submitted by: Mike Pritchard <pritc003@maroon.tc.umn.edu>

Fix PR 303: msdosfs: moving a file into another directory causes panic.

" ... the code that does the rename already has the denode
locked when msdosfs_hashins() gets called, resulting in the panic
when the routine attempts to lock the denode again.
...
The attached patch changes the msdosfs_hashins() routine to not lock the
denode. The caller is now resposible for obtaining the lock instead
of having msdosfs_hashins() do it for them."

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