diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
| commit | 863981e96738983919de841ec669e157e6bdaeb0 (patch) | |
| tree | d6d89a12e7eb8017837c057935a2271290907f76 /scripts/coccinelle/api/debugfs | |
| parent | 8dec7c70575785729a6a9e6719a955e9c545bcab (diff) | |
Linux-libre 4.7.1-gnupck-4.7.1-gnu
Diffstat (limited to 'scripts/coccinelle/api/debugfs')
| -rw-r--r-- | scripts/coccinelle/api/debugfs/debugfs_simple_attr.cocci | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/scripts/coccinelle/api/debugfs/debugfs_simple_attr.cocci b/scripts/coccinelle/api/debugfs/debugfs_simple_attr.cocci new file mode 100644 index 000000000..85cf5408d --- /dev/null +++ b/scripts/coccinelle/api/debugfs/debugfs_simple_attr.cocci @@ -0,0 +1,67 @@ +/// Use DEFINE_DEBUGFS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTRIBUTE +/// for debugfs files. +/// +//# Rationale: DEFINE_SIMPLE_ATTRIBUTE + debugfs_create_file() +//# imposes some significant overhead as compared to +//# DEFINE_DEBUGFS_ATTRIBUTE + debugfs_create_file_unsafe(). +// +// Copyright (C): 2016 Nicolai Stange +// Options: --no-includes +// + +virtual context +virtual patch +virtual org +virtual report + +@dsa@ +declarer name DEFINE_SIMPLE_ATTRIBUTE; +identifier dsa_fops; +expression dsa_get, dsa_set, dsa_fmt; +position p; +@@ +DEFINE_SIMPLE_ATTRIBUTE@p(dsa_fops, dsa_get, dsa_set, dsa_fmt); + +@dcf@ +expression name, mode, parent, data; +identifier dsa.dsa_fops; +@@ +debugfs_create_file(name, mode, parent, data, &dsa_fops) + + +@context_dsa depends on context && dcf@ +declarer name DEFINE_DEBUGFS_ATTRIBUTE; +identifier dsa.dsa_fops; +expression dsa.dsa_get, dsa.dsa_set, dsa.dsa_fmt; +@@ +* DEFINE_SIMPLE_ATTRIBUTE(dsa_fops, dsa_get, dsa_set, dsa_fmt); + + +@patch_dcf depends on patch expression@ +expression name, mode, parent, data; +identifier dsa.dsa_fops; +@@ +- debugfs_create_file(name, mode, parent, data, &dsa_fops) ++ debugfs_create_file_unsafe(name, mode, parent, data, &dsa_fops) + +@patch_dsa depends on patch_dcf && patch@ +identifier dsa.dsa_fops; +expression dsa.dsa_get, dsa.dsa_set, dsa.dsa_fmt; +@@ +- DEFINE_SIMPLE_ATTRIBUTE(dsa_fops, dsa_get, dsa_set, dsa_fmt); ++ DEFINE_DEBUGFS_ATTRIBUTE(dsa_fops, dsa_get, dsa_set, dsa_fmt); + + +@script:python depends on org && dcf@ +fops << dsa.dsa_fops; +p << dsa.p; +@@ +msg="%s should be defined with DEFINE_DEBUGFS_ATTRIBUTE" % (fops) +coccilib.org.print_todo(p[0], msg) + +@script:python depends on report && dcf@ +fops << dsa.dsa_fops; +p << dsa.p; +@@ +msg="WARNING: %s should be defined with DEFINE_DEBUGFS_ATTRIBUTE" % (fops) +coccilib.report.print_report(p[0], msg) |