BuildDataUserCePath always use dir instead of symbolic link

Select whichever is real dir instead of symbolic link from either /data/data
or /data/user/0. This is to minimize path walking overhead in kernel.

This works together with Change 369787

Test: Manual test
Change-Id: I338518673fc22ccbfed6ddd6be196931fce18525
Signed-off-by: cjbao <cathy.bao@intel.com>
This commit is contained in:
cjbao 2017-04-12 00:09:00 +08:00
parent 4f6c1ee19f
commit eb50114a83

View file

@ -608,15 +608,15 @@ std::string BuildDataMediaCePath(const char* volumeUuid, userid_t userId) {
std::string BuildDataUserCePath(const char* volumeUuid, userid_t userId) {
// TODO: unify with installd path generation logic
std::string data(BuildDataPath(volumeUuid));
if (volumeUuid == nullptr) {
if (userId == 0) {
return StringPrintf("%s/data", data.c_str());
} else {
return StringPrintf("%s/user/%u", data.c_str(), userId);
if (volumeUuid == nullptr && userId == 0) {
std::string legacy = StringPrintf("%s/data", data.c_str());
struct stat sb;
if (lstat(legacy.c_str(), &sb) == 0 && S_ISDIR(sb.st_mode)) {
/* /data/data is dir, return /data/data for legacy system */
return legacy;
}
} else {
return StringPrintf("%s/user/%u", data.c_str(), userId);
}
return StringPrintf("%s/user/%u", data.c_str(), userId);
}
std::string BuildDataUserDePath(const char* volumeUuid, userid_t userId) {