* @return Relative number of block
*/
static inline uint32_t ext4_fs_baddr2_index_in_group(struct ext4_sblock *s,
- uint32_t baddr)
+ uint32_t baddr)
{
- ext4_assert(baddr);
- if (ext4_get32(s, first_data_block))
- baddr--;
+ if (ext4_get32(s, first_data_block))
+ baddr--;
- return baddr % ext4_get32(s, blocks_per_group);
+ return baddr % ext4_get32(s, blocks_per_group);
}
/**@brief Convert relative block address in group to absolute address.
* @return Absolute block address
*/
static inline uint32_t ext4_fs_index_in_group2_baddr(struct ext4_sblock *s,
- uint32_t index,
- uint32_t bgid)
+ uint32_t index,
+ uint32_t bgid)
{
- if (ext4_get32(s, first_data_block))
- index++;
+ if (ext4_get32(s, first_data_block))
+ index++;
- return ext4_get32(s, blocks_per_group) * bgid + index;
+ return ext4_get32(s, blocks_per_group) * bgid + index;
}
/**@brief TODO: */
static inline uint64_t ext4_fs_first_bg_block_no(struct ext4_sblock *s,
- uint32_t bgid)
+ uint32_t bgid)
{
- return (uint64_t)bgid * ext4_get32(s, blocks_per_group) +
- ext4_get32(s, first_data_block);
+ return (uint64_t)bgid * ext4_get32(s, blocks_per_group) +
+ ext4_get32(s, first_data_block);
}
/**@brief Initialize filesystem and read all needed data.
* @return Error code
*/
int ext4_fs_get_block_group_ref(struct ext4_fs *fs, uint32_t bgid,
- struct ext4_block_group_ref *ref);
+ struct ext4_block_group_ref *ref);
/**@brief Put reference to block group.
* @param ref Pointer for reference to be put back
* @return Error code
*/
int ext4_fs_get_inode_ref(struct ext4_fs *fs, uint32_t index,
- struct ext4_inode_ref *ref);
+ struct ext4_inode_ref *ref);
+
+/**@brief Reset blocks field of i-node.
+ * @param fs Filesystem to reset blocks field of i-inode on
+ * @param inode_ref ref Pointer for inode to be operated on
+ */
+void ext4_fs_inode_blocks_init(struct ext4_fs *fs, struct ext4_inode_ref *inode_ref);
/**@brief Put reference to i-node.
* @param ref Pointer for reference to be put back
/**@brief Allocate new i-node in the filesystem.
* @param fs Filesystem to allocated i-node on
* @param inode_ref Output pointer to return reference to allocated i-node
- * @param flags Flags to be set for newly created i-node
+ * @param filetype File type of newly created i-node
* @return Error code
*/
int ext4_fs_alloc_inode(struct ext4_fs *fs, struct ext4_inode_ref *inode_ref,
- bool is_directory);
+ int filetype);
/**@brief Release i-node and mark it as free.
* @param inode_ref I-node to be released
* @return Error code
*/
int ext4_fs_get_inode_data_block_index(struct ext4_inode_ref *inode_ref,
- uint64_t iblock, uint32_t *fblock);
+ uint64_t iblock, uint32_t *fblock);
/**@brief Set physical block address for the block logical address into the
* i-node.
* @return Error code
*/
int ext4_fs_set_inode_data_block_index(struct ext4_inode_ref *inode_ref,
- uint64_t iblock, uint32_t fblock);
+ uint64_t iblock, uint32_t fblock);
/**@brief Release data block from i-node
* @param inode_ref I-node to release block from
* @return Error code
*/
int ext4_fs_release_inode_block(struct ext4_inode_ref *inode_ref,
- uint32_t iblock);
+ uint32_t iblock);
/**@brief Append following logical block to the i-node.
* @param inode_ref I-node to append block to
* @return Error code
*/
int ext4_fs_append_inode_block(struct ext4_inode_ref *inode_ref,
- uint32_t *fblock, uint32_t *iblock);
+ uint32_t *fblock, uint32_t *iblock);
/**@brief Increment inode link count.
* @param inode none handle