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Commit c2f37683 authored by Paul Crowley's avatar Paul Crowley
Browse files

emmc_optimized means stable_inodes 

If the emmc_optimized filesystem flag is set, then like
inlinecrypt_optimized, we have to ensure that stable_inodes is set
on the filesystem.

Bug: 144046242
Test: Cuttlefish, ext4: set the flag in fstab, check for the
    stable_inodes flag using tunefs -l
Change-Id: Id7f906564457c240ddf6677dd536698881385385
parent 25a96e44

fs_mgr/fs_mgr.cpp

+2 −1
Original line number Diff line number Diff line
@@ -454,7 +454,8 @@ static void tune_encrypt(const std::string& blk_device, const FstabEntry& entry, 
               << entry.encryption_options;

        return;

    }

    if ((options.flags & FSCRYPT_POLICY_FLAG_IV_INO_LBLK_64) != 0) {

    if ((options.flags &

         (FSCRYPT_POLICY_FLAG_IV_INO_LBLK_64 | FSCRYPT_POLICY_FLAG_IV_INO_LBLK_32)) != 0) {

        // We can only use this policy on ext4 if the "stable_inodes" feature

        // is set on the filesystem, otherwise shrinking will break encrypted files.

        if ((sb->s_feature_compat & cpu_to_le32(EXT4_FEATURE_COMPAT_STABLE_INODES)) == 0) {