0001 // SPDX-License-Identifier: GPL-2.0
0002 /// Use DEFINE_DEBUGFS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTRIBUTE
0003 /// for debugfs files.
0004 ///
0005 //# Rationale: DEFINE_SIMPLE_ATTRIBUTE + debugfs_create_file()
0006 //# imposes some significant overhead as compared to
0007 //# DEFINE_DEBUGFS_ATTRIBUTE + debugfs_create_file_unsafe().
0008 //
0009 // Copyright (C): 2016 Nicolai Stange
0010 // Options: --no-includes
0011 //
0012
0013 virtual context
0014 virtual patch
0015 virtual org
0016 virtual report
0017
0018 @dsa@
0019 declarer name DEFINE_SIMPLE_ATTRIBUTE;
0020 identifier dsa_fops;
0021 expression dsa_get, dsa_set, dsa_fmt;
0022 position p;
0023 @@
0024 DEFINE_SIMPLE_ATTRIBUTE@p(dsa_fops, dsa_get, dsa_set, dsa_fmt);
0025
0026 @dcf@
0027 expression name, mode, parent, data;
0028 identifier dsa.dsa_fops;
0029 @@
0030 debugfs_create_file(name, mode, parent, data, &dsa_fops)
0031
0032
0033 @context_dsa depends on context && dcf@
0034 declarer name DEFINE_DEBUGFS_ATTRIBUTE;
0035 identifier dsa.dsa_fops;
0036 expression dsa.dsa_get, dsa.dsa_set, dsa.dsa_fmt;
0037 @@
0038 * DEFINE_SIMPLE_ATTRIBUTE(dsa_fops, dsa_get, dsa_set, dsa_fmt);
0039
0040
0041 @patch_dcf depends on patch expression@
0042 expression name, mode, parent, data;
0043 identifier dsa.dsa_fops;
0044 @@
0045 - debugfs_create_file(name, mode, parent, data, &dsa_fops)
0046 + debugfs_create_file_unsafe(name, mode, parent, data, &dsa_fops)
0047
0048 @patch_dsa depends on patch_dcf && patch@
0049 identifier dsa.dsa_fops;
0050 expression dsa.dsa_get, dsa.dsa_set, dsa.dsa_fmt;
0051 @@
0052 - DEFINE_SIMPLE_ATTRIBUTE(dsa_fops, dsa_get, dsa_set, dsa_fmt);
0053 + DEFINE_DEBUGFS_ATTRIBUTE(dsa_fops, dsa_get, dsa_set, dsa_fmt);
0054
0055
0056 @script:python depends on org && dcf@
0057 fops << dsa.dsa_fops;
0058 p << dsa.p;
0059 @@
0060 msg="%s should be defined with DEFINE_DEBUGFS_ATTRIBUTE" % (fops)
0061 coccilib.org.print_todo(p[0], msg)
0062
0063 @script:python depends on report && dcf@
0064 fops << dsa.dsa_fops;
0065 p << dsa.p;
0066 @@
0067 msg="WARNING: %s should be defined with DEFINE_DEBUGFS_ATTRIBUTE" % (fops)
0068 coccilib.report.print_report(p[0], msg)
