From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 14 Mar 2011 22:56:51 +0000 (-0400)
Subject: New AT_... flag: AT_EMPTY_PATH
X-Git-Tag: v2.6.39-rc1~514^2~21
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f52e0c11305aa09ed56cad97ffc8f0cdc3d78b5d;p=pandora-kernel.git

New AT_... flag: AT_EMPTY_PATH

For name_to_handle_at(2) we'll want both ...at()-style syscall that
would be usable for non-directory descriptors (with empty relative
pathname).  Introduce new flag (AT_EMPTY_PATH) to deal with that and
corresponding LOOKUP_EMPTY; teach user_path_at() and path_init() to
deal with the latter.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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