Changeset 7bc4508 in mainline for uspace/lib/ext4/libext4_superblock.h

Timestamp:

2011-10-18T19:58:36Z (13 years ago)

Author:

Frantisek Princ <frantisek.princ@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

7bd2c19

Parents:

12f55220

Message:

First part of reading htree directory index - the most important functionality (computing hashes) still missing

File:

• uspace/lib/ext4/libext4_superblock.h (modified) (5 diffs)

uspace/lib/ext4/libext4_superblock.h

@@ -109 +109 @@
         uint16_t min_extra_isize; // All inodes have at least # bytes
         uint16_t want_extra_isize; // New inodes should reserve # bytes
-        uint32_t lags; // Miscellaneous flags
+        uint32_t flags; // Miscellaneous flags
         uint16_t raid_stride; // RAID stride
         uint16_t mmp_interval; // # seconds to wait in MMP checking
@@ -144 +144 @@
 #define EXT4_SUPERBLOCK_OS_HURD         1
 
+/*
+ * Misc. filesystem flags
+ */
+#define EXT4_SUPERBLOCK_FLAGS_SIGNED_HASH       0x0001  /* Signed dirhash in use */
+#define EXT4_SUPERBLOCK_FLAGS_UNSIGNED_HASH     0x0002  /* Unsigned dirhash in use */
+#define EXT4_SUPERBLOCK_FLAGS_TEST_FILESYS      0x0004  /* to test development code */
+
+
 extern uint32_t ext4_superblock_get_inodes_count(ext4_superblock_t *);
 extern uint64_t ext4_superblock_get_blocks_count(ext4_superblock_t *);
@@ -191 +199 @@
 uint32_t s_journal_dev; // Device number of journal file
 uint32_t s_last_orphan; // Head of list of inodes to delete
-uint32_t s_hash_seed[4]; // HTREE hash seed
+*/
+extern uint32_t* ext4_superblock_get_hash_seed(ext4_superblock_t *);
+
+/*
 uint8_t s_def_hash_version; // Default hash version to use
 uint8_t s_jnl_backup_type;
@@ -201 +212 @@
 uint16_t s_min_extra_isize; // All inodes have at least # bytes
 uint16_t s_want_extra_isize; // New inodes should reserve # bytes
-uint32_t s_flags; // Miscellaneous flags
+*/
+extern uint32_t ext4_superblock_get_flags(ext4_superblock_t *);
+/*
 uint16_t s_raid_stride; // RAID stride
 uint16_t s_mmp_interval; // # seconds to wait in MMP checking
@@ -229 +242 @@
 
 /* More complex superblock functions */
+extern bool ext4_superblock_has_flag(ext4_superblock_t *, uint32_t);
 extern int ext4_superblock_read_direct(service_id_t, ext4_superblock_t **);
 extern int ext4_superblock_check_sanity(ext4_superblock_t *);