diff options
author | Akinobu Mita <akinobu.mita@gmail.com> | 2011-07-26 16:09:02 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-26 16:49:46 -0700 |
commit | 7f5ddcc8d3eaccd5e169fda738530f937509645e (patch) | |
tree | 14f5581871040f98bbdab864314e1afc00a19a4c /lib/fault-inject.c | |
parent | 8307fc257cf3931d87e172bd8663e80c3d1e56a3 (diff) |
fault-injection: use debugfs_remove_recursive
Use debugfs_remove_recursive() to simplify initialization and
deinitialization of fault injection debugfs files.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/fault-inject.c')
-rw-r--r-- | lib/fault-inject.c | 115 |
1 files changed, 27 insertions, 88 deletions
diff --git a/lib/fault-inject.c b/lib/fault-inject.c index 882fd3b6a6ad..2577b121c7c1 100644 --- a/lib/fault-inject.c +++ b/lib/fault-inject.c @@ -199,48 +199,7 @@ static struct dentry *debugfs_create_atomic_t(const char *name, mode_t mode, void cleanup_fault_attr_dentries(struct fault_attr *attr) { - debugfs_remove(attr->dentries.probability_file); - attr->dentries.probability_file = NULL; - - debugfs_remove(attr->dentries.interval_file); - attr->dentries.interval_file = NULL; - - debugfs_remove(attr->dentries.times_file); - attr->dentries.times_file = NULL; - - debugfs_remove(attr->dentries.space_file); - attr->dentries.space_file = NULL; - - debugfs_remove(attr->dentries.verbose_file); - attr->dentries.verbose_file = NULL; - - debugfs_remove(attr->dentries.task_filter_file); - attr->dentries.task_filter_file = NULL; - -#ifdef CONFIG_FAULT_INJECTION_STACKTRACE_FILTER - - debugfs_remove(attr->dentries.stacktrace_depth_file); - attr->dentries.stacktrace_depth_file = NULL; - - debugfs_remove(attr->dentries.require_start_file); - attr->dentries.require_start_file = NULL; - - debugfs_remove(attr->dentries.require_end_file); - attr->dentries.require_end_file = NULL; - - debugfs_remove(attr->dentries.reject_start_file); - attr->dentries.reject_start_file = NULL; - - debugfs_remove(attr->dentries.reject_end_file); - attr->dentries.reject_end_file = NULL; - -#endif /* CONFIG_FAULT_INJECTION_STACKTRACE_FILTER */ - - if (attr->dentries.dir) - WARN_ON(!simple_empty(attr->dentries.dir)); - - debugfs_remove(attr->dentries.dir); - attr->dentries.dir = NULL; + debugfs_remove_recursive(attr->dir); } int init_fault_attr_dentries(struct fault_attr *attr, const char *name) @@ -248,66 +207,46 @@ int init_fault_attr_dentries(struct fault_attr *attr, const char *name) mode_t mode = S_IFREG | S_IRUSR | S_IWUSR; struct dentry *dir; - memset(&attr->dentries, 0, sizeof(attr->dentries)); - dir = debugfs_create_dir(name, NULL); if (!dir) - goto fail; - attr->dentries.dir = dir; - - attr->dentries.probability_file = - debugfs_create_ul("probability", mode, dir, &attr->probability); + return -ENOMEM; - attr->dentries.interval_file = - debugfs_create_ul("interval", mode, dir, &attr->interval); + attr->dir = dir; - attr->dentries.times_file = - debugfs_create_atomic_t("times", mode, dir, &attr->times); - - attr->dentries.space_file = - debugfs_create_atomic_t("space", mode, dir, &attr->space); - - attr->dentries.verbose_file = - debugfs_create_ul("verbose", mode, dir, &attr->verbose); - - attr->dentries.task_filter_file = debugfs_create_bool("task-filter", - mode, dir, &attr->task_filter); - - if (!attr->dentries.probability_file || !attr->dentries.interval_file || - !attr->dentries.times_file || !attr->dentries.space_file || - !attr->dentries.verbose_file || !attr->dentries.task_filter_file) + if (!debugfs_create_ul("probability", mode, dir, &attr->probability)) + goto fail; + if (!debugfs_create_ul("interval", mode, dir, &attr->interval)) + goto fail; + if (!debugfs_create_atomic_t("times", mode, dir, &attr->times)) + goto fail; + if (!debugfs_create_atomic_t("space", mode, dir, &attr->space)) + goto fail; + if (!debugfs_create_ul("verbose", mode, dir, &attr->verbose)) + goto fail; + if (!debugfs_create_bool("task-filter", mode, dir, &attr->task_filter)) goto fail; #ifdef CONFIG_FAULT_INJECTION_STACKTRACE_FILTER - attr->dentries.stacktrace_depth_file = - debugfs_create_stacktrace_depth( - "stacktrace-depth", mode, dir, &attr->stacktrace_depth); - - attr->dentries.require_start_file = - debugfs_create_ul("require-start", mode, dir, &attr->require_start); - - attr->dentries.require_end_file = - debugfs_create_ul("require-end", mode, dir, &attr->require_end); - - attr->dentries.reject_start_file = - debugfs_create_ul("reject-start", mode, dir, &attr->reject_start); - - attr->dentries.reject_end_file = - debugfs_create_ul("reject-end", mode, dir, &attr->reject_end); - - if (!attr->dentries.stacktrace_depth_file || - !attr->dentries.require_start_file || - !attr->dentries.require_end_file || - !attr->dentries.reject_start_file || - !attr->dentries.reject_end_file) + if (!debugfs_create_stacktrace_depth("stacktrace-depth", mode, dir, + &attr->stacktrace_depth)) + goto fail; + if (!debugfs_create_ul("require-start", mode, dir, + &attr->require_start)) + goto fail; + if (!debugfs_create_ul("require-end", mode, dir, &attr->require_end)) + goto fail; + if (!debugfs_create_ul("reject-start", mode, dir, &attr->reject_start)) + goto fail; + if (!debugfs_create_ul("reject-end", mode, dir, &attr->reject_end)) goto fail; #endif /* CONFIG_FAULT_INJECTION_STACKTRACE_FILTER */ return 0; fail: - cleanup_fault_attr_dentries(attr); + debugfs_remove_recursive(attr->dir); + return -ENOMEM; } |