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(parent: 9addd7d) | patch
fix idiotic braino in d_alloc_parallel()
authorAl Viro <viro@zeniv.linux.org.uk>
Mon, 20 Jun 2016 05:35:59 +0000 (01:35 -0400)
committerAl Viro <viro@zeniv.linux.org.uk>
Mon, 20 Jun 2016 14:07:42 +0000 (10:07 -0400)
commit46daa6c91414580f39dab1797f2d4d83d1261fb0
tree28ce8447fcc8269544d576de196df8efa335abd2tree | snapshot
parent9addd7d3fb60565fdabb64f4ea62cb0a5c98261acommit | diff
fix idiotic braino in d_alloc_parallel()

Check for d_unhashed() while searching in in-lookup hash was absolutely
wrong.  Worse, it masked a deadlock on dget() done under bitlock that
nests inside ->d_lock.  Thanks to J. R. Okajima for spotting it.

Spotted-by: "J. R. Okajima" <hooanon05g@gmail.com>
Wearing-brown-paperbag: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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