split the slow part of lock_parent() off
Turn the "trylock failed" part into uninlined __lock_parent().
Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk>
parent
65d8eb5a
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Turn the "trylock failed" part into uninlined __lock_parent().
Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk>