With encrypt feature enabled the file system block size must match
system page size. Currently mke2fs will not complain at all when we try
to create a file system that does not satisfy this requirement for the
system. Add a warning for this case.
Signed-off-by: Lukas Czerner <lczerner@xxxxxxxxxx>
---
misc/mke2fs.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/misc/mke2fs.c b/misc/mke2fs.c
index d7cf257e..aa9590d8 100644
--- a/misc/mke2fs.c
+++ b/misc/mke2fs.c
@@ -2468,6 +2468,26 @@ profile_error:
exit (1);
}
+ /*
+ * Encrypt feature requires blocksize to be the same as page size,
+ * otherwise file system won't mount
+ */
+ if (ext2fs_has_feature_encrypt(&fs_param) &&
+ (blocksize != sys_page_size)) {
+ if (!force) {
+ com_err(program_name, 0,
+ _("Encrypt feature is enabled, but block size "
+ "(%dB) does not match system page size "
+ "(%dB)"),
+ blocksize, sys_page_size);
+ proceed_question(proceed_delay);
+ }
+ fprintf(stderr,_("Warning: Encrypt feature enabled, but block "
+ "size (%dB) does not match system page size "
+ "(%dB), forced to continue\n"),
+ blocksize, sys_page_size);
+ }
+
/* Don't allow user to set both metadata_csum and uninit_bg bits. */
if (ext2fs_has_feature_metadata_csum(&fs_param) &&
ext2fs_has_feature_gdt_csum(&fs_param))
--
2.21.0
