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Merge Android 14 QPR1

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Merged-In: Ifcc3872348c125e547a40156f9cb69fb079cb13e
Bug: 315507370
Change-Id: I41f0bd8df172924b88ddd32f67396a24e9230102
This commit is contained in:
Xin Li 2023-12-08 13:14:38 -08:00
commit c1b0f4d6b1
1 changed files with 24 additions and 1 deletions
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25
fs_mgr/fs_mgr.cpp
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@ -700,6 +700,29 @@ static void SetReadAheadSize(const std::string& entry_block_device, off64_t size
}
}
//
// Mechanism to allow fsck to be triggered by setting ro.preventative_fsck
// Introduced to address b/305658663
// If the property value is not equal to the flag file contents, trigger
// fsck and store the property value in the flag file
// If we want to trigger again, simply change the property value
//
static bool check_if_preventative_fsck_needed(const FstabEntry& entry) {
const char* flag_file = "/metadata/vold/preventative_fsck";
if (entry.mount_point != "/data") return false;
// Don't error check - both default to empty string, which is OK
std::string prop = android::base::GetProperty("ro.preventative_fsck", "");
std::string flag;
android::base::ReadFileToString(flag_file, &flag);
if (prop == flag) return false;
// fsck is run immediately, so assume it runs or there is some deeper problem
if (!android::base::WriteStringToFile(prop, flag_file))
PERROR << "Failed to write file " << flag_file;
LINFO << "Run preventative fsck on /data";
return true;
}
//
// Prepare the filesystem on the given block device to be mounted.
//
@ -750,7 +773,7 @@ static int prepare_fs_for_mount(const std::string& blk_device, const FstabEntry&
}
}
if (entry.fs_mgr_flags.check ||
if (check_if_preventative_fsck_needed(entry) || entry.fs_mgr_flags.check ||
(fs_stat & (FS_STAT_UNCLEAN_SHUTDOWN | FS_STAT_QUOTA_ENABLED))) {
check_fs(blk_device, entry.fs_type, mount_point, &fs_stat);
}