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authorAl Viro <viro@zeniv.linux.org.uk>2012-03-30 14:13:15 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-03-31 16:03:16 -0400
commitacc9cb3cd425f479d8fc4a441bff45dce23aa6dd (patch)
tree08ffc4b16ad2d00069189440dbfd4b893e2cc96e /Documentation/RCU
parent37c17e1f377696c797e75c1e915e838b3e0c6120 (diff)
downloadblackbird-op-linux-acc9cb3cd425f479d8fc4a441bff45dce23aa6dd.tar.gz
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untangling do_lookup() - eliminate a loop.
d_lookup() *will* fail after successful d_invalidate(), if we are holding i_mutex all along. IOW, we don't need to jump back to l: - we know what path will be taken there and can do that (i.e. d_alloc_and_lookup()) directly. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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