fs_mgr: Suppress SkipMountingPartitions log in ReadFstabFromFile
Minor refactoring and renaming, goal is to make the follow-up patch
easier to read.
Bug: 184132970
Test: Presubmit
Change-Id: I66416161b30ac310934d901cbaf11bc926e2cbf7
diff --git a/fs_mgr/fs_mgr_fstab.cpp b/fs_mgr/fs_mgr_fstab.cpp
index 0c0862e..796a39a 100644
--- a/fs_mgr/fs_mgr_fstab.cpp
+++ b/fs_mgr/fs_mgr_fstab.cpp
@@ -711,19 +711,17 @@
TransformFstabForDsu(fstab, dsu_slot, Split(lp_names, ","));
}
-#ifndef NO_SKIP_MOUNT
- SkipMountingPartitions(fstab);
-#endif
+ SkipMountingPartitions(fstab, false /* verbose */);
EnableMandatoryFlags(fstab);
return true;
}
// Returns fstab entries parsed from the device tree if they exist
-bool ReadFstabFromDt(Fstab* fstab, bool log) {
+bool ReadFstabFromDt(Fstab* fstab, bool verbose) {
std::string fstab_buf = ReadFstabFromDt();
if (fstab_buf.empty()) {
- if (log) LINFO << __FUNCTION__ << "(): failed to read fstab from dt";
+ if (verbose) LINFO << __FUNCTION__ << "(): failed to read fstab from dt";
return false;
}
@@ -731,34 +729,36 @@
fmemopen(static_cast<void*>(const_cast<char*>(fstab_buf.c_str())),
fstab_buf.length(), "r"), fclose);
if (!fstab_file) {
- if (log) PERROR << __FUNCTION__ << "(): failed to create a file stream for fstab dt";
+ if (verbose) PERROR << __FUNCTION__ << "(): failed to create a file stream for fstab dt";
return false;
}
if (!ReadFstabFile(fstab_file.get(), false, fstab)) {
- if (log) {
+ if (verbose) {
LERROR << __FUNCTION__ << "(): failed to load fstab from kernel:" << std::endl
<< fstab_buf;
}
return false;
}
-#ifndef NO_SKIP_MOUNT
- SkipMountingPartitions(fstab);
-#endif
+ SkipMountingPartitions(fstab, verbose);
return true;
}
-#ifndef NO_SKIP_MOUNT
+#ifdef NO_SKIP_MOUNT
+bool SkipMountingPartitions(Fstab*, bool) {
+ return true;
+}
+#else
// For GSI to skip mounting /product and /system_ext, until there are well-defined interfaces
// between them and /system. Otherwise, the GSI flashed on /system might not be able to work with
// device-specific /product and /system_ext. skip_mount.cfg belongs to system_ext partition because
// only common files for all targets can be put into system partition. It is under
// /system/system_ext because GSI is a single system.img that includes the contents of system_ext
// partition and product partition under /system/system_ext and /system/product, respectively.
-bool SkipMountingPartitions(Fstab* fstab) {
- constexpr const char kSkipMountConfig[] = "/system/system_ext/etc/init/config/skip_mount.cfg";
+bool SkipMountingPartitions(Fstab* fstab, bool verbose) {
+ static constexpr char kSkipMountConfig[] = "/system/system_ext/etc/init/config/skip_mount.cfg";
std::string skip_config;
auto save_errno = errno;
@@ -777,7 +777,9 @@
});
if (it == fstab->end()) continue;
fstab->erase(it, fstab->end());
- LOG(INFO) << "Skip mounting partition: " << skip_mount_point;
+ if (verbose) {
+ LINFO << "Skip mounting partition: " << skip_mount_point;
+ }
}
return true;
@@ -787,7 +789,7 @@
// Loads the fstab file and combines with fstab entries passed in from device tree.
bool ReadDefaultFstab(Fstab* fstab) {
Fstab dt_fstab;
- ReadFstabFromDt(&dt_fstab, false);
+ ReadFstabFromDt(&dt_fstab, false /* verbose */);
*fstab = std::move(dt_fstab);
diff --git a/fs_mgr/include_fstab/fstab/fstab.h b/fs_mgr/include_fstab/fstab/fstab.h
index 2d4de09..8ecf41b 100644
--- a/fs_mgr/include_fstab/fstab/fstab.h
+++ b/fs_mgr/include_fstab/fstab/fstab.h
@@ -97,9 +97,9 @@
using Fstab = std::vector<FstabEntry>;
bool ReadFstabFromFile(const std::string& path, Fstab* fstab);
-bool ReadFstabFromDt(Fstab* fstab, bool log = true);
+bool ReadFstabFromDt(Fstab* fstab, bool verbose = true);
bool ReadDefaultFstab(Fstab* fstab);
-bool SkipMountingPartitions(Fstab* fstab);
+bool SkipMountingPartitions(Fstab* fstab, bool verbose = false);
FstabEntry* GetEntryForMountPoint(Fstab* fstab, const std::string& path);
// The Fstab can contain multiple entries for the same mount point with different configurations.
diff --git a/init/first_stage_mount.cpp b/init/first_stage_mount.cpp
index a11bb28..3faf430 100644
--- a/init/first_stage_mount.cpp
+++ b/init/first_stage_mount.cpp
@@ -97,7 +97,6 @@
bool MountPartitions();
bool TrySwitchSystemAsRoot();
- bool TrySkipMountingPartitions();
bool IsDmLinearEnabled();
void GetSuperDeviceName(std::set<std::string>* devices);
bool InitDmLinearBackingDevices(const android::fs_mgr::LpMetadata& metadata);
@@ -534,7 +533,7 @@
bool FirstStageMount::MountPartitions() {
if (!TrySwitchSystemAsRoot()) return false;
- if (!SkipMountingPartitions(&fstab_)) return false;
+ if (!SkipMountingPartitions(&fstab_, true /* verbose */)) return false;
for (auto current = fstab_.begin(); current != fstab_.end();) {
// We've already mounted /system above.
diff --git a/init/selinux.cpp b/init/selinux.cpp
index 62c4586..2d3e06e 100644
--- a/init/selinux.cpp
+++ b/init/selinux.cpp
@@ -658,7 +658,7 @@
extra_fstab.emplace_back(std::move(entry));
}
- SkipMountingPartitions(&extra_fstab);
+ SkipMountingPartitions(&extra_fstab, true /* verbose */);
if (extra_fstab.empty()) {
return;
}