ext2: add all required/readonly features

kernel/driver/fs/ext2/src/data.rs

@@ -32,6 +32,18 @@ bitflags! {
     pub struct FsRequiredFeatures: u32 {
         const COMPRESSION: bit 0;
         const DIRENT_TYPE_FIELD: bit 1;
+        const NEED_RECOVERY: bit 2;
+        const SEPARATE_JOURNAL_DEV: bit 3;
+        const META_BG: bit 4;
+        const EXTENTS: bit 6;
+        const FS_64_BIT: bit 7;
+        const FLEX_BG: bit 9;
+        const EA_INODE: bit 10;
+        const DIRDATA: bit 12;
+        const CHECKSUM_SEED: bit 13;
+        const LARGEDIR: bit 14;
+        const INLINE_DATA: bit 15;
+        const ENCRYPT: bit 16;
     }
 }
 
@@ -41,6 +53,17 @@ bitflags! {
         const SPARSE_SUPERBLOCKS: bit 0;
         const FILE_SIZE_64_BIT: bit 1;
         const DIR_BTREE: bit 2;
+        const SIZE_BLOCKS_NOT_BYTES: bit 3;
+        const DESCRIPTOR_CHECKSUM: bit 4;
+        const NO_HARD_LINK_LIMIT: bit 5;
+        const LARGE_INODES: bit 6;
+        const HAS_SNAPSHOT: bit 7;
+        const QUOTA: bit 8;
+        const CLUSTER_EXTENT_ALLOC: bit 9;
+        const METADATA_CHECKSUM: bit 10;
+        const REPLICA: bit 11;
+        const READ_ONLY: bit 12;
+        const PROJECT_QUOTA: bit 13;
     }
 }