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Add support for casefolding and project quotas

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This enables ext4 casefolding and project quotas for adopted storage
cards.

Test: Enable virtual sdcard, adopt, check options on formatted disk
Bug: 138321217
Bug: 138322712
Change-Id: I99c09283cd78c30237cf18ad9ae9384ba0c05396
This commit is contained in:
Daniel Rosenberg 2019-11-19 20:30:46 -08:00
parent f9510e3262
commit 477f3e5f4a
1 changed files with 19 additions and 0 deletions
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19
fs/Ext4.cpp
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@ -171,6 +171,14 @@ status_t Format(const std::string& source, unsigned long numSectors, const std::
cmd.push_back("-M");
cmd.push_back(target);
bool needs_casefold = android::base::GetBoolProperty("ro.emulated_storage.casefold", false);
bool needs_projid = android::base::GetBoolProperty("ro.emulated_storage.projid", false);
if (needs_projid) {
cmd.push_back("-I");
cmd.push_back("512");
}
std::string options("has_journal");
if (android::base::GetBoolProperty("vold.has_quota", false)) {
options += ",quota";
@ -178,10 +186,21 @@ status_t Format(const std::string& source, unsigned long numSectors, const std::
if (fscrypt_is_native()) {
options += ",encrypt";
}
if (needs_casefold) {
options += ",casefold";
}
cmd.push_back("-O");
cmd.push_back(options);
if (needs_casefold || needs_projid) {
cmd.push_back("-E");
std::string extopts = "";
if (needs_casefold) extopts += "encoding=utf8,";
if (needs_projid) extopts += "quotatype=prjquota,";
cmd.push_back(extopts);
}
cmd.push_back(source);
if (numSectors) {