ext4_journal: forcibly flush data to disk when stop journalling.

[lwext4.git] / lwext4 / ext4_fs.h

diff --git a/lwext4/ext4_fs.h b/lwext4/ext4_fs.h
index c0b7d19f2ea0599131d9b8f87c41abf8f82459e4..97e1d1d5408bd1e44de887ae9f9fea32548cb5cd 100644 (file)
--- a/lwext4/ext4_fs.h
+++ b/lwext4/ext4_fs.h
@@ -42,6 +42,10 @@
 #ifndef EXT4_FS_H_
 #define EXT4_FS_H_
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include "ext4_config.h"
 #include "ext4_types.h"
 
@@ -53,7 +57,7 @@
  * @param baddr Block number to convert
  * @return Relative number of block
  */
-static inline uint32_t ext4_fs_baddr2_index_in_group(struct ext4_sblock *s,
+static inline uint32_t ext4_fs_addr_to_idx_bg(struct ext4_sblock *s,
                                                     ext4_fsblk_t baddr)
 {
        if (ext4_get32(s, first_data_block))
@@ -68,7 +72,7 @@ static inline uint32_t ext4_fs_baddr2_index_in_group(struct ext4_sblock *s,
  * @param bgid Block group
  * @return Absolute block address
  */
-static inline ext4_fsblk_t ext4_fs_index_in_group2_baddr(struct ext4_sblock *s,
+static inline ext4_fsblk_t ext4_fs_bg_idx_to_addr(struct ext4_sblock *s,
                                                     uint32_t index,
                                                     uint32_t bgid)
 {
@@ -137,7 +141,8 @@ int ext4_fs_get_inode_ref(struct ext4_fs *fs, uint32_t index,
  * @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);
+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
@@ -196,9 +201,9 @@ int ext4_fs_indirect_find_goal(struct ext4_inode_ref *inode_ref,
  *                          is supported under the current context
  * @return Error code
  */
-int ext4_fs_get_inode_data_block_index(struct ext4_inode_ref *inode_ref,
-                                      uint64_t iblock, ext4_fsblk_t *fblock,
-                                      bool support_unwritten);
+int ext4_fs_get_inode_dblk_idx(struct ext4_inode_ref *inode_ref,
+                                uint64_t iblock, ext4_fsblk_t *fblock,
+                                bool support_unwritten);
 
 /**@brief Initialize a part of unwritten range of the inode.
  * @param inode_ref I-node to proceed on.
@@ -206,8 +211,8 @@ int ext4_fs_get_inode_data_block_index(struct ext4_inode_ref *inode_ref,
  * @param fblock    Output pointer for return physical block address
  * @return Error code
  */
-int ext4_fs_init_inode_data_block_index(struct ext4_inode_ref *inode_ref,
-                                      uint64_t iblock, ext4_fsblk_t *fblock);
+int ext4_fs_init_inode_dblk_idx(struct ext4_inode_ref *inode_ref,
+                                 uint64_t iblock, ext4_fsblk_t *fblock);
 
 /**@brief Append following logical block to the i-node.
  * @param inode_ref I-node to append block to
@@ -215,8 +220,8 @@ int ext4_fs_init_inode_data_block_index(struct ext4_inode_ref *inode_ref,
  * @param iblock    Output logical number of newly allocated block
  * @return Error code
  */
-int ext4_fs_append_inode_block(struct ext4_inode_ref *inode_ref,
-                              ext4_fsblk_t *fblock, uint32_t *iblock);
+int ext4_fs_append_inode_dblk(struct ext4_inode_ref *inode_ref,
+                             ext4_fsblk_t *fblock, uint32_t *iblock);
 
 /**@brief   Increment inode link count.
  * @param   inode none handle
@@ -228,6 +233,10 @@ void ext4_fs_inode_links_count_inc(struct ext4_inode_ref *inode_ref);
  */
 void ext4_fs_inode_links_count_dec(struct ext4_inode_ref *inode_ref);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* EXT4_FS_H_ */
 
 /**