PawletOS/android_bootable_recovery
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Fix the long broken format function

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* For EXT2/3:
   * Align mke2fs options with Android 9.0 fs_mgr_format.cpp.
 * For EXT4:
   * Note that make_ext4fs is still in use on Android 8.1 to workaround
     a FDE encryption bug even though mke2fs has become the default
     choice. The bug is fixed in Android 9.0+.
 * For F2FS:
   * Drop the broken "-r" option, it's never ported to O, explicitly
     pass number of sectors instead.
   * Keep all options aligned with Pie fs_mgr.
   * Check existence before start wiping, as Wipe_EXT4 does.
 * For all:
   * Calculate block size at runtime, and reserve the space specified
     via negative "length" option from fstab. Note that positive length
     will be ignored.
   * If the partition has crypto footer, and "length" is not specified
     in fstab, automatically reverse CRYPT_FOOTER_OFFSET (16384).
   * Remove the default crypto key location: footer, this is a bad
     assumption since most partitions don't use encryption! We need to
     know the real situation to decide whether to reserve crypto footer
     on format.
   * If the current action is "wipe" or "change filesystem", wipe crypto
     footer or block device after mkfs if the partition is
     unencrypted or undecrypted (e.g., wrong password).
   * If the current action is "format data", unconditionally wipe crypto
     footer or block device.

Change-Id: I7304a8ee703131ea4a08ab7c60334af28cac28b3
This commit is contained in:
dianlujitao
2018-12-03 18:45:47 +08:00
committed by Ethan Yonker
parent 64e0a6525f
commit 4879b37b5d
5 changed files with 186 additions and 128 deletions
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partitionmanager.cpp
+1 -1
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@@ -466,7 +466,7 @@ void TWPartitionManager::Output_Partition(TWPartition* Part) {
printf(" Alternate_Block_Device: %s\n", Part->Alternate_Block_Device.c_str());
if (!Part->Decrypted_Block_Device.empty())
printf(" Decrypted_Block_Device: %s\n", Part->Decrypted_Block_Device.c_str());
if (!Part->Crypto_Key_Location.empty() && Part->Crypto_Key_Location != "footer")
if (!Part->Crypto_Key_Location.empty())
printf(" Crypto_Key_Location: %s\n", Part->Crypto_Key_Location.c_str());
if (Part->Length != 0)
printf(" Length: %i\n", Part->Length);