升级e2fsprogs ,使得mkfs.ext4 -O ^metadata_csum,^64bit使用不报错
代码片段和文件信息
/*
* Basic program to add ext4 encryption to a file system
*
* Copyright 2015 Google Inc.
*
* %Begin-Header%
* This file may be redistributed under the terms of the GNU Public
* License.
* %End-Header%
*/
#include
#include
#include
#include
#include
#include
#include
#include
#include
int main (int argc char *argv[])
{
errcode_t retval = 0;
ext2_filsys fs;
setbuf(stdout NULL);
setbuf(stderr NULL);
initialize_ext2_error_table();
if (argc != 2) {
fprintf(stderr “%s: Usage
“ argv[0]);
exit(1);
}
retval = ext2fs_open(argv[1] EXT2_FLAG_RW 0 0
unix_io_manager &fs);
if (retval) {
com_err(argv[0] retval “while trying to open ‘%s‘“
argv[1]);
exit(1);
}
if (!ext2fs_has_feature_encrypt(fs->super)) {
ext2fs_set_feature_encrypt(fs->super);
fs->super->s_encrypt_algos[0] =
EXT4_ENCRYPTION_MODE_AES_256_XTS;
fs->super->s_encrypt_algos[1] =
EXT4_ENCRYPTION_MODE_AES_256_CTS;
ext2fs_mark_super_dirty(fs);
printf(“Ext4 encryption enabled on %s
“ argv[1]);
} else
printf(“Ext4 encryption already enabled on %s
“ argv[1]);
retval = ext2fs_close(fs);
if (retval) {
com_err(argv[0] retval “while trying to close ‘%s‘“
argv[1]);
exit(1);
}
return (0);
}
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