diff --git a/grub-core/fs/ext2.c b/grub-core/fs/ext2.c index e7dd78e..4953a15 100644 --- a/grub-core/fs/ext2.c +++ b/grub-core/fs/ext2.c @@ -103,6 +103,7 @@ GRUB_MOD_LICENSE ("GPLv3+"); #define EXT4_FEATURE_INCOMPAT_64BIT 0x0080 #define EXT4_FEATURE_INCOMPAT_MMP 0x0100 #define EXT4_FEATURE_INCOMPAT_FLEX_BG 0x0200 +#define EXT4_FEATURE_INCOMPAT_CSUM_SEED 0x2000 #define EXT4_FEATURE_INCOMPAT_ENCRYPT 0x10000 /* The set of back-incompatible features this driver DOES support. Add (OR) @@ -123,10 +124,15 @@ GRUB_MOD_LICENSE ("GPLv3+"); * mmp: Not really back-incompatible - was added as such to * avoid multiple read-write mounts. Safe to ignore for this * RO driver. + * checksum seed: Not really back-incompatible - was added to allow tools + * such as tune2fs to change the UUID on a mounted metadata + * checksummed filesystem. Safe to ignore for now since the + * driver doesn't support checksum verification. However, it + * has to be removed from this list if the support is added later. */ #define EXT2_DRIVER_IGNORED_INCOMPAT ( EXT3_FEATURE_INCOMPAT_RECOVER \ - | EXT4_FEATURE_INCOMPAT_MMP) - + | EXT4_FEATURE_INCOMPAT_MMP \ + | EXT4_FEATURE_INCOMPAT_CSUM_SEED) #define EXT3_JOURNAL_MAGIC_NUMBER 0xc03b3998U