88 struct fs {  struct
109 static struct fs fs__entries[] = {  argument
142 static bool fs__read_mounts(struct fs *fs)  in fs__read_mounts()  argument
154 		      fs->path, type) == 2) {  in fs__read_mounts()
156 		if (strcmp(type, fs->name) == 0)  in fs__read_mounts()
161 	return fs->found = found;  in fs__read_mounts()
164 static int fs__valid_mount(const char *fs, long magic)  in fs__valid_mount()  argument
168 	if (statfs(fs, &st_fs) < 0)  in fs__valid_mount()
176 static bool fs__check_mounts(struct fs *fs)  in fs__check_mounts()  argument
180 	ptr = fs->mounts;  in fs__check_mounts()
182 		if (fs__valid_mount(*ptr, fs->magic) == 0) {  in fs__check_mounts()
183 			fs->found = true;  in fs__check_mounts()
184 			strcpy(fs->path, *ptr);  in fs__check_mounts()
207 static bool fs__env_override(struct fs *fs)  in fs__env_override()  argument
210 	size_t name_len = strlen(fs->name);  in fs__env_override()
213 	memcpy(upper_name, fs->name, name_len);  in fs__env_override()
221 	fs->found = true;  in fs__env_override()
222 	strncpy(fs->path, override_path, sizeof(fs->path));  in fs__env_override()
226 static const char *fs__get_mountpoint(struct fs *fs)  in fs__get_mountpoint()  argument
228 	if (fs__env_override(fs))  in fs__get_mountpoint()
229 		return fs->path;  in fs__get_mountpoint()
231 	if (fs__check_mounts(fs))  in fs__get_mountpoint()
232 		return fs->path;  in fs__get_mountpoint()
234 	if (fs__read_mounts(fs))  in fs__get_mountpoint()
235 		return fs->path;  in fs__get_mountpoint()
242 	struct fs *fs = &fs__entries[idx];  in fs__mountpoint()  local
244 	if (fs->found)  in fs__mountpoint()
245 		return (const char *)fs->path;  in fs__mountpoint()
247 	return fs__get_mountpoint(fs);  in fs__mountpoint()
250 static const char *mount_overload(struct fs *fs)  in mount_overload()  argument
252 	size_t name_len = strlen(fs->name);  in mount_overload()
256 	snprintf(upper_name, name_len, "PERF_%s_ENVIRONMENT", fs->name);  in mount_overload()
259 	return getenv(upper_name) ?: *fs->mounts;  in mount_overload()
264 	struct fs *fs = &fs__entries[idx];  in fs__mount()  local
268 		return (const char *)fs->path;  in fs__mount()
270 	mountpoint = mount_overload(fs);  in fs__mount()
272 	if (mount(NULL, mountpoint, fs->name, 0, NULL) < 0)  in fs__mount()
275 	return fs__check_mounts(fs) ? fs->path : NULL;  in fs__mount()