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vold_prepare_subdirs: prepare /data/misc_[ce|de]/rollback.

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These directories are managed by installd and used to store
snapshots of application data directories in order to roll them
back in the case of bad updates.

Bug: 112431924
Test: make, device boot & manual verification.

Change-Id: Ieaca697a45d013937327e0f16f36b9b1eaad6b22
This commit is contained in:
Narayan Kamath 2019-01-14 10:03:07 +00:00
parent a892eb154e
commit a232fd7fc8
1 changed files with 2 additions and 0 deletions
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2
vold_prepare_subdirs.cpp
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@ -128,6 +128,7 @@ static bool prepare_subdirs(const std::string& volume_uuid, int user_id, int fla
auto misc_de_path = android::vold::BuildDataMiscDePath(user_id);
if (!prepare_dir(sehandle, 0700, 0, 0, misc_de_path + "/vold")) return false;
if (!prepare_dir(sehandle, 0700, 0, 0, misc_de_path + "/storaged")) return false;
if (!prepare_dir(sehandle, 0700, 0, 0, misc_de_path + "/rollback")) return false;
auto vendor_de_path = android::vold::BuildDataVendorDePath(user_id);
if (!prepare_dir(sehandle, 0700, AID_SYSTEM, AID_SYSTEM, vendor_de_path + "/fpdata")) {
@ -138,6 +139,7 @@ static bool prepare_subdirs(const std::string& volume_uuid, int user_id, int fla
auto misc_ce_path = android::vold::BuildDataMiscCePath(user_id);
if (!prepare_dir(sehandle, 0700, 0, 0, misc_ce_path + "/vold")) return false;
if (!prepare_dir(sehandle, 0700, 0, 0, misc_ce_path + "/storaged")) return false;
if (!prepare_dir(sehandle, 0700, 0, 0, misc_ce_path + "/rollback")) return false;
}
}
return true;