xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

simple_recursive_removal(): kernel-side rm -rf for ramfs-style filesystems

Browse Source 
two requirements: no file creations in IS_DEADDIR and no cross-directory
renames whatsoever.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2019-11-18 09:43:10 -05:00
parent e42617b825
commit a3d1e7eb5a
9 changed files with 104 additions and 218 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
kernel/trace/trace.c
View File

@@ -8496,7 +8496,7 @@ static struct trace_array *trace_array_create(const char *name)
ret = event_trace_add_tracer(tr->dir, tr);
if (ret) {
tracefs_remove_recursive(tr->dir);
tracefs_remove(tr->dir);
goto out_free_tr;
}
@@ -8605,7 +8605,7 @@ static int __remove_instance(struct trace_array *tr)
event_trace_del_tracer(tr);
ftrace_clear_pids(tr);
ftrace_destroy_function_files(tr);
tracefs_remove_recursive(tr->dir);
tracefs_remove(tr->dir);
free_trace_buffers(tr);
for (i = 0; i < tr->nr_topts; i++) {