Add setProjectQuotaId to vold.
To allow vold to set project IDs.
Bug: 146419093
Test: manual
Change-Id: Ibaf1908e0d35b15d9fd71a5b9c113f0f0c054f54
diff --git a/Utils.cpp b/Utils.cpp
index 202b98d..67e92c9 100644
--- a/Utils.cpp
+++ b/Utils.cpp
@@ -115,6 +115,25 @@
}
}
+int SetQuotaProjectId(std::string path, long projectId) {
+ struct fsxattr fsx;
+
+ android::base::unique_fd fd(TEMP_FAILURE_RETRY(open(path.c_str(), O_RDONLY | O_CLOEXEC)));
+ if (fd == -1) {
+ PLOG(ERROR) << "Failed to open " << path << " to set project id.";
+ return -1;
+ }
+
+ int ret = ioctl(fd, FS_IOC_FSGETXATTR, &fsx);
+ if (ret == -1) {
+ PLOG(ERROR) << "Failed to get extended attributes for " << path << " to get project id.";
+ return ret;
+ }
+
+ fsx.fsx_projid = projectId;
+ return ioctl(fd, FS_IOC_FSSETXATTR, &fsx);
+}
+
int PrepareDirsFromRoot(std::string path, std::string root, mode_t mode, uid_t uid, gid_t gid) {
int ret = 0;
if (!StartsWith(path, root)) {
diff --git a/Utils.h b/Utils.h
index 056a635..42e8b4e 100644
--- a/Utils.h
+++ b/Utils.h
@@ -48,6 +48,7 @@
status_t CreateDeviceNode(const std::string& path, dev_t dev);
status_t DestroyDeviceNode(const std::string& path);
+int SetQuotaProjectId(std::string path, long projectId);
/*
* Recursively calls fs_prepare_dir() on all components in 'path', starting at 'root'.
* 'path' must start with 'root'
