ext4: endianess fixes

index d926094..d54165c 100644
@@ -49,9 +49,9 @@ struct dirty_blocks {
 
 /* Standard header for all descriptor blocks: */
 struct journal_header_t {
-	__u32 h_magic;
-	__u32 h_blocktype;
-	__u32 h_sequence;
+	__be32 h_magic;
+	__be32 h_blocktype;
+	__be32 h_sequence;
 };
 
 /* The journal superblock.  All fields are in big-endian byte order. */

@@ -60,35 +60,35 @@ struct journal_superblock_t {
 	struct journal_header_t s_header;
 
 	/* Static information describing the journal */
-	__u32 s_blocksize;	/* journal device blocksize */
-	__u32 s_maxlen;		/* total blocks in journal file */
-	__u32 s_first;		/* first block of log information */
+	__be32 s_blocksize;	/* journal device blocksize */
+	__be32 s_maxlen;		/* total blocks in journal file */
+	__be32 s_first;		/* first block of log information */
 
 	/* Dynamic information describing the current state of the log */
-	__u32 s_sequence;	/* first commit ID expected in log */
-	__u32 s_start;		/* blocknr of start of log */
+	__be32 s_sequence;	/* first commit ID expected in log */
+	__be32 s_start;		/* blocknr of start of log */
 
 	/* Error value, as set by journal_abort(). */
-	__s32 s_errno;
+	__be32 s_errno;
 
 	/* Remaining fields are only valid in a version-2 superblock */
-	__u32 s_feature_compat;	/* compatible feature set */
-	__u32 s_feature_incompat;	/* incompatible feature set */
-	__u32 s_feature_ro_compat;	/* readonly-compatible feature set */
+	__be32 s_feature_compat;	/* compatible feature set */
+	__be32 s_feature_incompat;	/* incompatible feature set */
+	__be32 s_feature_ro_compat;	/* readonly-compatible feature set */
 	/* 0x0030 */
 	__u8 s_uuid[16];	/* 128-bit uuid for journal */
 
 	/* 0x0040 */
-	__u32 s_nr_users;	/* Nr of filesystems sharing log */
+	__be32 s_nr_users;	/* Nr of filesystems sharing log */
 
-	__u32 s_dynsuper;	/* Blocknr of dynamic superblock copy */
+	__be32 s_dynsuper;	/* Blocknr of dynamic superblock copy */
 
 	/* 0x0048 */
-	__u32 s_max_transaction;	/* Limit of journal blocks per trans. */
-	__u32 s_max_trans_data;	/* Limit of data blocks per trans. */
+	__be32 s_max_transaction;	/* Limit of journal blocks per trans. */
+	__be32 s_max_trans_data;	/* Limit of data blocks per trans. */
 
 	/* 0x0050 */
-	__u32 s_padding[44];
+	__be32 s_padding[44];
 
 	/* 0x0100 */
 	__u8 s_users[16 * 48];	/* ids of all fs'es sharing the log */

@@ -96,13 +96,13 @@ struct journal_superblock_t {
 } ;
 
 struct ext3_journal_block_tag {
-	uint32_t block;
-	uint32_t flags;
+	__be32 block;
+	__be32 flags;
 };
 
 struct journal_revoke_header_t {
 	struct journal_header_t r_header;
-	int r_count;		/* Count of bytes used in the block */
+	__be32 r_count;		/* Count of bytes used in the block */
 };
 
 struct revoke_blk_list {

160 lines not on this page · raw message

index eb49fce..e8ed30a 100644
@@ -1454,7 +1454,7 @@ static int ext4fs_blockgroup
 
 	desc_per_blk = EXT2_BLOCK_SIZE(data) / sizeof(struct ext2_block_group);
 
-	blkno = __le32_to_cpu(data->sblock.first_data_block) + 1 +
+	blkno = le32_to_cpu(data->sblock.first_data_block) + 1 +
 			group / desc_per_blk;
 	blkoff = (group % desc_per_blk) * sizeof(struct ext2_block_group);
 

@@ -1479,14 +1479,14 @@ int ext4fs_read_inode(struct ext2_data *data, int ino, struct ext2_inode *inode)
 
 	/* It is easier to calculate if the first inode is 0. */
 	ino--;
-	status = ext4fs_blockgroup(data, ino / __le32_to_cpu
+	status = ext4fs_blockgroup(data, ino / le32_to_cpu
 				   (sblock->inodes_per_group), &blkgrp);
 	if (status == 0)
 		return 0;
 
 	inodes_per_block = EXT2_BLOCK_SIZE(data) / fs->inodesz;
-	blkno = __le32_to_cpu(blkgrp.inode_table_id) +
-	    (ino % __le32_to_cpu(sblock->inodes_per_group)) / inodes_per_block;
+	blkno = le32_to_cpu(blkgrp.inode_table_id) +
+	    (ino % le32_to_cpu(sblock->inodes_per_group)) / inodes_per_block;
 	blkoff = (ino % inodes_per_block) * fs->inodesz;
 	/* Read the inode. */
 	status = ext4fs_devread((lbaint_t)blkno << (LOG2_BLOCK_SIZE(data) -

@@ -1559,7 +1559,7 @@ long int read_allocated_block(struct ext2_inode *inode, int fileblock)
 
 	/* Direct blocks. */
 	if (fileblock < INDIRECT_BLOCKS)
-		blknr = __le32_to_cpu(inode->b.blocks.dir_blocks[fileblock]);
+		blknr = le32_to_cpu(inode->b.blocks.dir_blocks[fileblock]);
 
 	/* Indirect. */
 	else if (fileblock < (INDIRECT_BLOCKS + (blksz / 4))) {

@@ -1586,10 +1586,10 @@ long int read_allocated_block(struct ext2_inode *inode, int fileblock)
 			}
 			ext4fs_indir1_size = blksz;
 		}
-		if ((__le32_to_cpu(inode->b.blocks.indir_block) <<
+		if ((le32_to_cpu(inode->b.blocks.indir_block) <<
 		     log2_blksz) != ext4fs_indir1_blkno) {
 			status =
-			    ext4fs_devread((lbaint_t)__le32_to_cpu
+			    ext4fs_devread((lbaint_t)le32_to_cpu
 					   (inode->b.blocks.
 					    indir_block) << log2_blksz, 0,
 					   blksz, (char *)ext4fs_indir1_block);

@@ -1599,10 +1599,10 @@ long int read_allocated_block(struct ext2_inode *inode, int fileblock)
 				return 0;
 			}
 			ext4fs_indir1_blkno =
-				__le32_to_cpu(inode->b.blocks.
+				le32_to_cpu(inode->b.blocks.
 					       indir_block) << log2_blksz;
 		}
-		blknr = __le32_to_cpu(ext4fs_indir1_block
+		blknr = le32_to_cpu(ext4fs_indir1_block
 				      [fileblock - INDIRECT_BLOCKS]);
 	}
 	/* Double indirect. */

@@ -1635,10 +1635,10 @@ long int read_allocated_block(struct ext2_inode *inode, int fileblock)
 			}
 			ext4fs_indir1_size = blksz;
 		}
-		if ((__le32_to_cpu(inode->b.blocks.double_indir_block) <<
+		if ((le32_to_cpu(inode->b.blocks.double_indir_block) <<
 		     log2_blksz) != ext4fs_indir1_blkno) {
 			status =
-			    ext4fs_devread((lbaint_t)__le32_to_cpu
+			    ext4fs_devread((lbaint_t)le32_to_cpu
 					   (inode->b.blocks.
 					    double_indir_block) << log2_blksz,
 					   0, blksz,

@@ -1649,7 +1649,7 @@ long int read_allocated_block(struct ext2_inode *inode, int fileblock)
 				return -1;
 			}
 			ext4fs_indir1_blkno =
-			    __le32_to_cpu(inode->b.blocks.double_indir_block) <<
+			    le32_to_cpu(inode->b.blocks.double_indir_block) <<
 			    log2_blksz;
 		}
 

@@ -1676,9 +1676,9 @@ long int read_allocated_block(struct ext2_inode *inode, int fileblock)
 			}
 			ext4fs_indir2_size = blksz;
 		}
-		if ((__le32_to_cpu(ext4fs_indir1_block[rblock / perblock]) <<
+		if ((le32_to_cpu(ext4fs_indir1_block[rblock / perblock]) <<
 		     log2_blksz) != ext4fs_indir2_blkno) {
-			status = ext4fs_devread((lbaint_t)__le32_to_cpu
+			status = ext4fs_devread((lbaint_t)le32_to_cpu
 						(ext4fs_indir1_block
 						 [rblock /
 						  perblock]) << log2_blksz, 0,

@@ -1690,12 +1690,12 @@ long int read_allocated_block(struct ext2_inode *inode, int fileblock)
 				return -1;
 			}
 			ext4fs_indir2_blkno =
-			    __le32_to_cpu(ext4fs_indir1_block[rblock
+			    le32_to_cpu(ext4fs_indir1_block[rblock
 							      /
 							      perblock]) <<
 			    log2_blksz;
 		}
-		blknr = __le32_to_cpu(ext4fs_indir2_block[rblock % perblock]);
+		blknr = le32_to_cpu(ext4fs_indir2_block[rblock % perblock]);
 	}
 	/* Tripple indirect. */
 	else {

@@ -1727,11 +1727,11 @@ long int read_allocated_block(struct ext2_inode *inode, int fileblock)
 			}
 			ext4fs_indir1_size = blksz;
 		}
-		if ((__le32_to_cpu(inode->b.blocks.triple_indir_block) <<
+		if ((le32_to_cpu(inode->b.blocks.triple_indir_block) <<
 		     log2_blksz) != ext4fs_indir1_blkno) {
 			status = ext4fs_devread
 			    ((lbaint_t)
-			     __le32_to_cpu(inode->b.blocks.triple_indir_block)
+			     le32_to_cpu(inode->b.blocks.triple_indir_block)
 			     << log2_blksz, 0, blksz,
 			     (char *)ext4fs_indir1_block);
 			if (status == 0) {

@@ -1740,7 +1740,7 @@ long int read_allocated_block(struct ext2_inode *inode, int fileblock)
 				return -1;
 			}
 			ext4fs_indir1_blkno =
-			    __le32_to_cpu(inode->b.blocks.triple_indir_block) <<
+			    le32_to_cpu(inode->b.blocks.triple_indir_block) <<
 			    log2_blksz;
 		}
 

@@ -1767,11 +1767,11 @@ long int read_allocated_block(struct ext2_inode *inode, int fileblock)
 			}
 			ext4fs_indir2_size = blksz;
 		}
-		if ((__le32_to_cpu(ext4fs_indir1_block[rblock /
+		if ((le32_to_cpu(ext4fs_indir1_block[rblock /
 						       perblock_parent]) <<
 		     log2_blksz)
 		    != ext4fs_indir2_blkno) {
-			status = ext4fs_devread((lbaint_t)__le32_to_cpu
+			status = ext4fs_devread((lbaint_t)le32_to_cpu
 						(ext4fs_indir1_block
 						 [rblock /
 						  perblock_parent]) <<

@@ -1783,7 +1783,7 @@ long int read_allocated_block(struct ext2_inode *inode, int fileblock)
 				return -1;
 			}
 			ext4fs_indir2_blkno =
-			    __le32_to_cpu(ext4fs_indir1_block[rblock /
+			    le32_to_cpu(ext4fs_indir1_block[rblock /
 							      perblock_parent])
 			    << log2_blksz;
 		}

@@ -1811,12 +1811,12 @@ long int read_allocated_block(struct ext2_inode *inode, int fileblock)
 			}
 			ext4fs_indir3_size = blksz;
 		}
-		if ((__le32_to_cpu(ext4fs_indir2_block[rblock
+		if ((le32_to_cpu(ext4fs_indir2_block[rblock
 						       /
 						       perblock_child]) <<
 		     log2_blksz) != ext4fs_indir3_blkno) {
 			status =
-			    ext4fs_devread((lbaint_t)__le32_to_cpu
+			    ext4fs_devread((lbaint_t)le32_to_cpu
 					   (ext4fs_indir2_block
 					    [(rblock / perblock_child)
 					     % (blksz / 4)]) << log2_blksz, 0,

@@ -1827,14 +1827,14 @@ long int read_allocated_block(struct ext2_inode *inode, int fileblock)
 				return -1;
 			}
 			ext4fs_indir3_blkno =
-			    __le32_to_cpu(ext4fs_indir2_block[(rblock /
+			    le32_to_cpu(ext4fs_indir2_block[(rblock /
 							       perblock_child) %
 							      (blksz /
 							       4)]) <<
 			    log2_blksz;
 		}
 
-		blknr = __le32_to_cpu(ext4fs_indir3_block
+		blknr = le32_to_cpu(ext4fs_indir3_block
 				      [rblock % perblock_child]);
 	}
 	debug("read_allocated_block %ld\n", blknr);

@@ -1907,7 +1907,7 @@ int ext4fs_iterate_dir(struct ext2fs_node *dir, char *name,
 			return 0;
 	}
 	/* Search the file.  */
-	while (fpos < __le32_to_cpu(diro->inode.size)) {
+	while (fpos < le32_to_cpu(diro->inode.size)) {
 		struct ext2_dirent dirent;
 
 		status = ext4fs_read_file(diro, fpos,

@@ -1939,7 +1939,7 @@ int ext4fs_iterate_dir(struct ext2fs_node *dir, char *name,
 				return 0;
 
 			fdiro->data = diro->data;
-			fdiro->ino = __le32_to_cpu(dirent.inode);
+			fdiro->ino = le32_to_cpu(dirent.inode);
 
 			filename[dirent.namelen] = '\0';
 

@@ -1954,7 +1954,7 @@ int ext4fs_iterate_dir(struct ext2fs_node *dir, char *name,
 					type = FILETYPE_REG;
 			} else {
 				status = ext4fs_read_inode(diro->data,
-							   __le32_to_cpu
+							   le32_to_cpu
 							   (dirent.inode),
 							   &fdiro->inode);
 				if (status == 0) {

@@ -1963,15 +1963,15 @@ int ext4fs_iterate_dir(struct ext2fs_node *dir, char *name,
 				}
 				fdiro->inode_read = 1;
 
-				if ((__le16_to_cpu(fdiro->inode.mode) &
+				if ((le16_to_cpu(fdiro->inode.mode) &
 				     FILETYPE_INO_MASK) ==
 				    FILETYPE_INO_DIRECTORY) {
 					type = FILETYPE_DIRECTORY;
-				} else if ((__le16_to_cpu(fdiro->inode.mode)
+				} else if ((le16_to_cpu(fdiro->inode.mode)
 					    & FILETYPE_INO_MASK) ==
 					   FILETYPE_INO_SYMLINK) {
 					type = FILETYPE_SYMLINK;
-				} else if ((__le16_to_cpu(fdiro->inode.mode)
+				} else if ((le16_to_cpu(fdiro->inode.mode)
 					    & FILETYPE_INO_MASK) ==
 					   FILETYPE_INO_REG) {
 					type = FILETYPE_REG;

@@ -1990,7 +1990,7 @@ int ext4fs_iterate_dir(struct ext2fs_node *dir, char *name,
 			} else {
 				if (fdiro->inode_read == 0) {
 					status = ext4fs_read_inode(diro->data,
-								 __le32_to_cpu(
+								 le32_to_cpu(
 								 dirent.inode),
 								 &fdiro->inode);
 					if (status == 0) {

@@ -2014,12 +2014,12 @@ int ext4fs_iterate_dir(struct ext2fs_node *dir, char *name,
 					break;
 				}
 				printf("%10u %s\n",
-				       __le32_to_cpu(fdiro->inode.size),
+				       le32_to_cpu(fdiro->inode.size),
 					filename);
 			}
 			free(fdiro);
 		}
-		fpos += __le16_to_cpu(dirent.direntlen);
+		fpos += le16_to_cpu(dirent.direntlen);
 	}
 	return 0;
 }

@@ -2036,23 +2036,23 @@ static char *ext4fs_read_symlink(struct ext2fs_node *node)
 		if (status == 0)
 			return 0;
 	}
-	symlink = zalloc(__le32_to_cpu(diro->inode.size) + 1);
+	symlink = zalloc(le32_to_cpu(diro->inode.size) + 1);
 	if (!symlink)
 		return 0;
 
-	if (__le32_to_cpu(diro->inode.size) < sizeof(diro->inode.b.symlink)) {
+	if (le32_to_cpu(diro->inode.size) < sizeof(diro->inode.b.symlink)) {
 		strncpy(symlink, diro->inode.b.symlink,
-			 __le32_to_cpu(diro->inode.size));
+			 le32_to_cpu(diro->inode.size));
 	} else {
 		status = ext4fs_read_file(diro, 0,
-					   __le32_to_cpu(diro->inode.size),
+					   le32_to_cpu(diro->inode.size),
 					   symlink, &actread);
 		if ((status < 0) || (actread == 0)) {
 			free(symlink);
 			return 0;
 		}
 	}
-	symlink[__le32_to_cpu(diro->inode.size)] = '\0';
+	symlink[le32_to_cpu(diro->inode.size)] = '\0';
 	return symlink;
 }
 

@@ -2200,7 +2200,7 @@ int ext4fs_open(const char *filename, loff_t *len)
 		if (status == 0)
 			goto fail;
 	}
-	*len = __le32_to_cpu(fdiro->inode.size);
+	*len = le32_to_cpu(fdiro->inode.size);
 	ext4fs_file = fdiro;
 
 	return 0;

@@ -2226,7 +2226,7 @@ int ext4fs_mount(unsigned part_length)
 		goto fail;
 
 	/* Make sure this is an ext2 filesystem. */
-	if (__le16_to_cpu(data->sblock.magic) != EXT2_MAGIC)
+	if (le16_to_cpu(data->sblock.magic) != EXT2_MAGIC)
 		goto fail;
 
 	/*

@@ -2239,13 +2239,13 @@ int ext4fs_mount(unsigned part_length)
 		goto fail;
 	}
 
-	if (__le32_to_cpu(data->sblock.revision_level == 0))
+	if (le32_to_cpu(data->sblock.revision_level == 0))
 		fs->inodesz = 128;
 	else
-		fs->inodesz = __le16_to_cpu(data->sblock.inode_size);
+		fs->inodesz = le16_to_cpu(data->sblock.inode_size);
 
 	debug("EXT2 rev %d, inode_size %d\n",
-	       __le32_to_cpu(data->sblock.revision_level), fs->inodesz);
+	       le32_to_cpu(data->sblock.revision_level), fs->inodesz);
 
 	data->diropen.data = data;
 	data->diropen.ino = 2;

index e027916..1169ee3 100644
@@ -520,8 +520,8 @@ static int ext4fs_delete_file(int inodeno)
 
 	/* get the block no */
 	inodeno--;
-	blkno = __le32_to_cpu(bgd[ibmap_idx].inode_table_id) +
-		(inodeno % __le32_to_cpu(inode_per_grp)) / inodes_per_block;
+	blkno = le32_to_cpu(bgd[ibmap_idx].inode_table_id) +
+		(inodeno % le32_to_cpu(inode_per_grp)) / inodes_per_block;
 
 	/* get the offset of the inode */
 	blkoff = ((inodeno) % inodes_per_block) * fs->inodesz;

@@ -744,7 +744,7 @@ static int ext4fs_write_file(struct ext2_inode *file_inode,
 {
 	int i;
 	int blockcnt;
-	unsigned int filesize = __le32_to_cpu(file_inode->size);
+	unsigned int filesize = le32_to_cpu(file_inode->size);
 	struct ext_filesystem *fs = get_fs();
 	int log2blksz = fs->dev_desc->log2blksz;
 	int log2_fs_blocksize = LOG2_BLOCK_SIZE(ext4fs_root) - log2blksz;

@@ -909,8 +909,8 @@ int ext4fs_write(const char *fname, unsigned char *buffer,
 		goto fail;
 	ibmap_idx = inodeno / ext4fs_root->sblock.inodes_per_group;
 	inodeno--;
-	itable_blkno = __le32_to_cpu(fs->bgd[ibmap_idx].inode_table_id) +
-			(inodeno % __le32_to_cpu(sblock->inodes_per_group)) /
+	itable_blkno = le32_to_cpu(fs->bgd[ibmap_idx].inode_table_id) +
+			(inodeno % le32_to_cpu(sblock->inodes_per_group)) /
 			inodes_per_block;
 	blkoff = (inodeno % inodes_per_block) * fs->inodesz;
 	ext4fs_devread((lbaint_t)itable_blkno * fs->sect_perblk, 0, fs->blksz,

@@ -928,9 +928,9 @@ int ext4fs_write(const char *fname, unsigned char *buffer,
 	}
 	ibmap_idx = parent_inodeno / ext4fs_root->sblock.inodes_per_group;
 	parent_inodeno--;
-	parent_itable_blkno = __le32_to_cpu(fs->bgd[ibmap_idx].inode_table_id) +
+	parent_itable_blkno = le32_to_cpu(fs->bgd[ibmap_idx].inode_table_id) +
 	    (parent_inodeno %
-	     __le32_to_cpu(sblock->inodes_per_group)) / inodes_per_block;
+	     le32_to_cpu(sblock->inodes_per_group)) / inodes_per_block;
 	blkoff = (parent_inodeno % inodes_per_block) * fs->inodesz;
 	if (parent_itable_blkno != itable_blkno) {
 		memset(temp_ptr, '\0', fs->blksz);

index 43c8897..3078737 100644
@@ -55,7 +55,7 @@ int ext4fs_read_file(struct ext2fs_node *node, loff_t pos,
 	int log2blksz = fs->dev_desc->log2blksz;
 	int log2_fs_blocksize = LOG2_BLOCK_SIZE(node->data) - log2blksz;
 	int blocksize = (1 << (log2_fs_blocksize + log2blksz));
-	unsigned int filesize = __le32_to_cpu(node->inode.size);
+	unsigned int filesize = le32_to_cpu(node->inode.size);
 	lbaint_t previous_block_number = -1;
 	lbaint_t delayed_start = 0;
 	lbaint_t delayed_extent = 0;

index c12e526..3220091 100644
@@ -49,10 +49,10 @@
 #define EXT2_BLOCK_SIZE(data)	   (1 << LOG2_BLOCK_SIZE(data))
 
 /* Log2 size of ext2 block in bytes.  */
-#define LOG2_BLOCK_SIZE(data)	   (__le32_to_cpu		   \
+#define LOG2_BLOCK_SIZE(data)	   (le32_to_cpu		   \
 				    (data->sblock.log2_block_size) \
 				    + EXT2_MIN_BLOCK_LOG_SIZE)
-#define INODE_SIZE_FILESYSTEM(data)	(__le32_to_cpu \
+#define INODE_SIZE_FILESYSTEM(data)	(le32_to_cpu \
 			(data->sblock.inode_size))
 
 #define EXT2_FT_DIR	2

index e8ed30a..567350f 100644
@@ -33,20 +33,40 @@
 
 struct ext2_data *ext4fs_root;
 struct ext2fs_node *ext4fs_file;
-uint32_t *ext4fs_indir1_block;
+__le32 *ext4fs_indir1_block;
 int ext4fs_indir1_size;
 int ext4fs_indir1_blkno = -1;
-uint32_t *ext4fs_indir2_block;
+__le32 *ext4fs_indir2_block;
 int ext4fs_indir2_size;
 int ext4fs_indir2_blkno = -1;
 
-uint32_t *ext4fs_indir3_block;
+__le32 *ext4fs_indir3_block;
 int ext4fs_indir3_size;
 int ext4fs_indir3_blkno = -1;
 struct ext2_inode *g_parent_inode;
 static int symlinknest;
 
 #if defined(CONFIG_EXT4_WRITE)
+static inline void ext4fs_sb_free_inodes_dec(struct ext2_sblock *sb)
+{
+	sb->free_inodes = cpu_to_le32(le32_to_cpu(sb->free_inodes) - 1);
+}
+
+static inline void ext4fs_bg_free_inodes_dec(struct ext2_block_group *bg)
+{
+	bg->free_inodes = cpu_to_le16(le16_to_cpu(bg->free_inodes) - 1);
+}
+
+static inline void ext4fs_bg_free_blocks_dec(struct ext2_block_group *bg)
+{
+	bg->free_blocks = cpu_to_le16(le16_to_cpu(bg->free_blocks) - 1);
+}
+
+static inline void ext4fs_bg_itable_unused_dec(struct ext2_block_group *bg)
+{
+	bg->bg_itable_unused = cpu_to_le16(le16_to_cpu(bg->bg_itable_unused) - 1);
+}
+
 uint32_t ext4fs_div_roundup(uint32_t size, uint32_t n)
 {
 	uint32_t res = size / n;

@@ -112,7 +132,7 @@ static int _get_new_inode_no(unsigned char *buffer)
 	while (*ptr == 255) {
 		ptr++;
 		count += 8;
-		if (count > ext4fs_root->sblock.inodes_per_group)
+		if (count > le32_to_cpu(ext4fs_root->sblock.inodes_per_group))
 			return -1;
 	}
 

@@ -249,7 +269,7 @@ int ext4fs_set_inode_bmap(int inode_no, unsigned char *buffer, int index)
 	unsigned char *ptr = buffer;
 	unsigned char operand;
 
-	inode_no -= (index * ext4fs_root->sblock.inodes_per_group);
+	inode_no -= (index * le32_to_cpu(ext4fs_root->sblock.inodes_per_group));
 	i = inode_no / 8;
 	remainder = inode_no % 8;
 	if (remainder == 0) {

@@ -274,7 +294,7 @@ void ext4fs_reset_inode_bmap(int inode_no, unsigned char *buffer, int index)
 	unsigned char *ptr = buffer;
 	unsigned char operand;
 
-	inode_no -= (index * ext4fs_root->sblock.inodes_per_group);
+	inode_no -= (index * le32_to_cpu(ext4fs_root->sblock.inodes_per_group));
 	i = inode_no / 8;
 	remainder = inode_no % 8;
 	if (remainder == 0) {

@@ -289,19 +309,20 @@ void ext4fs_reset_inode_bmap(int inode_no, unsigned char *buffer, int index)
 		*ptr = *ptr & ~(operand);
 }
 
-int ext4fs_checksum_update(unsigned int i)
+uint16_t ext4fs_checksum_update(uint32_t i)
 {
 	struct ext2_block_group *desc;
 	struct ext_filesystem *fs = get_fs();
-	__u16 crc = 0;
+	uint16_t crc = 0;
+	__le32 le32_i = cpu_to_le32(i);
 
 	desc = (struct ext2_block_group *)&fs->bgd[i];
-	if (fs->sb->feature_ro_compat & EXT4_FEATURE_RO_COMPAT_GDT_CSUM) {
+	if (le32_to_cpu(fs->sb->feature_ro_compat) & EXT4_FEATURE_RO_COMPAT_GDT_CSUM) {
 		int offset = offsetof(struct ext2_block_group, bg_checksum);
 
 		crc = ext2fs_crc16(~0, fs->sb->unique_id,
 				   sizeof(fs->sb->unique_id));
-		crc = ext2fs_crc16(crc, &i, sizeof(i));
+		crc = ext2fs_crc16(crc, &le32_i, sizeof(le32_i));
 		crc = ext2fs_crc16(crc, desc, offset);
 		offset += sizeof(desc->bg_checksum);	/* skip checksum */
 		assert(offset == sizeof(*desc));

@@ -322,7 +343,7 @@ static int check_void_in_dentry(struct ext2_dirent *dir, char *filename)
 
 	dentry_length = sizeof(struct ext2_dirent) +
 			dir->namelen + padding_factor;
-	sizeof_void_space = dir->direntlen - dentry_length;
+	sizeof_void_space = le16_to_cpu(dir->direntlen) - dentry_length;
 	if (sizeof_void_space == 0)
 		return 0;
 

@@ -333,7 +354,7 @@ static int check_void_in_dentry(struct ext2_dirent *dir, char *filename)
 	new_entry_byte_reqd = strlen(filename) +
 	    sizeof(struct ext2_dirent) + padding_factor;
 	if (sizeof_void_space >= new_entry_byte_reqd) {
-		dir->direntlen = dentry_length;
+		dir->direntlen = cpu_to_le16(dentry_length);
 		return sizeof_void_space;
 	}
 

@@ -360,6 +381,9 @@ void ext4fs_update_parent_dentry(char *filename, int *p_ino, int file_type)
 	/* directory entry */
 	struct ext2_dirent *dir;
 	char *temp_dir = NULL;
+	uint32_t new_blk_no;
+	uint32_t new_size;
+	uint32_t new_blockcnt;
 
 	zero_buffer = zalloc(fs->blksz);
 	if (!zero_buffer) {

@@ -396,7 +420,7 @@ restart:
 		goto fail;
 	dir = (struct ext2_dirent *)root_first_block_buffer;
 	totalbytes = 0;
-	while (dir->direntlen > 0) {
+	while (le16_to_cpu(dir->direntlen) > 0) {
 		/*
 		 * blocksize-totalbytes because last directory length
 		 * i.e. dir->direntlen is free availble space in the

@@ -405,7 +429,7 @@ restart:
 		 */
 
 		/* traversing the each directory entry */
-		if (fs->blksz - totalbytes == dir->direntlen) {
+		if (fs->blksz - totalbytes == le16_to_cpu(dir->direntlen)) {
 			if (strlen(filename) % 4 != 0)
 				padding_factor = 4 - (strlen(filename) % 4);
 

@@ -430,32 +454,34 @@ restart:
 					printf("Directory exceeds limit\n");
 					goto fail;
 				}
-				g_parent_inode->b.blocks.dir_blocks
-				    [direct_blk_idx] = ext4fs_get_new_blk_no();
-				if (g_parent_inode->b.blocks.dir_blocks
-					[direct_blk_idx] == -1) {
+				new_blk_no = ext4fs_get_new_blk_no();
+				if (new_blk_no == -1) {
 					printf("no block left to assign\n");
 					goto fail;
 				}
-				put_ext4(((uint64_t)
-					  ((uint64_t)g_parent_inode->b.
-					   blocks.dir_blocks[direct_blk_idx] *
-					   (uint64_t)fs->blksz)), zero_buffer, fs->blksz);
-				g_parent_inode->size =
-				    g_parent_inode->size + fs->blksz;
-				g_parent_inode->blockcnt =
-				    g_parent_inode->blockcnt + fs->sect_perblk;
+				put_ext4((uint64_t)new_blk_no * fs->blksz, zero_buffer, fs->blksz);
+				g_parent_inode->b.blocks.dir_blocks[direct_blk_idx] =
+					cpu_to_le32(new_blk_no);
+
+				new_size = le32_to_cpu(g_parent_inode->size);
+				new_size += fs->blksz;
+				g_parent_inode->size = cpu_to_le32(new_size);
+
+				new_blockcnt = le32_to_cpu(g_parent_inode->blockcnt);
+				new_blockcnt += fs->sect_perblk;
+				g_parent_inode->blockcnt = cpu_to_le32(new_blockcnt);
+
 				if (ext4fs_put_metadata
 				    (root_first_block_buffer,
 				     first_block_no_of_root))
 					goto fail;
 				goto restart;
 			}
-			dir->direntlen = last_entry_dirlen;
+			dir->direntlen = cpu_to_le16(last_entry_dirlen);
 			break;
 		}
 
-		templength = dir->direntlen;
+		templength = le16_to_cpu(dir->direntlen);
 		totalbytes = totalbytes + templength;
 		sizeof_void_space = check_void_in_dentry(dir, filename);
 		if (sizeof_void_space)

@@ -465,7 +491,7 @@ restart:
 	}
 
 	/* make a pointer ready for creating next directory entry */
-	templength = dir->direntlen;
+	templength = le16_to_cpu(dir->direntlen);
 	totalbytes = totalbytes + templength;
 	dir = (struct ext2_dirent *)((char *)dir + templength);
 

@@ -475,11 +501,11 @@ restart:
 		printf("no inode left to assign\n");
 		goto fail;
 	}
-	dir->inode = inodeno;
+	dir->inode = cpu_to_le32(inodeno);
 	if (sizeof_void_space)
-		dir->direntlen = sizeof_void_space;
+		dir->direntlen = cpu_to_le16(sizeof_void_space);
 	else
-		dir->direntlen = fs->blksz - totalbytes;
+		dir->direntlen = cpu_to_le16(fs->blksz - totalbytes);
 
 	dir->namelen = strlen(filename);
 	dir->filetype = FILETYPE_REG;	/* regular file */

@@ -534,7 +560,7 @@ static int search_dir(struct ext2_inode *parent_inode, char *dirname)
 		dir = (struct ext2_dirent *)block_buffer;
 		ptr = (char *)dir;
 		totalbytes = 0;
-		while (dir->direntlen >= 0) {
+		while (le16_to_cpu(dir->direntlen) >= 0) {
 			/*
 			 * blocksize-totalbytes because last directory
 			 * length i.e.,*dir->direntlen is free availble

@@ -542,23 +568,23 @@ static int search_dir(struct ext2_inode *parent_inode, char *dirname)
 			 * it is a last entry of directory entry
 			 */
 			if (strlen(dirname) == dir->namelen) {
-				if (strncmp(dirname, ptr +
-					sizeof(struct ext2_dirent),
-					dir->namelen) == 0) {
-					previous_dir->direntlen +=
-							dir->direntlen;
-					inodeno = dir->inode;
+				if (strncmp(dirname, ptr + sizeof(struct ext2_dirent), dir->namelen) == 0) {
+					uint16_t new_len;
+					new_len = le16_to_cpu(previous_dir->direntlen);
+					new_len += le16_to_cpu(dir->direntlen);
+					previous_dir->direntlen = cpu_to_le16(new_len);
+					inodeno = le32_to_cpu(dir->inode);
 					dir->inode = 0;
 					found = 1;
 					break;
 				}
 			}
 
-			if (fs->blksz - totalbytes == dir->direntlen)
+			if (fs->blksz - totalbytes == le16_to_cpu(dir->direntlen))
 				break;
 
 			/* traversing the each directory entry */
-			templength = dir->direntlen;
+			templength = le16_to_cpu(dir->direntlen);
 			totalbytes = totalbytes + templength;
 			previous_dir = dir;
 			dir = (struct ext2_dirent *)((char *)dir + templength);

@@ -720,7 +746,7 @@ end:
 
 	if (matched_inode_no != -1) {
 		ext4fs_iget(matched_inode_no, &temp_inode);
-		if (temp_inode.mode & S_IFDIR) {
+		if (le16_to_cpu(temp_inode.mode) & S_IFDIR) {
 			printf("It is a Directory\n");
 			result_inode_no = -1;
 			goto fail;

@@ -780,7 +806,7 @@ static int check_filename(char *filename, unsigned int blknr)
 	dir = (struct ext2_dirent *)root_first_block_buffer;
 	ptr = (char *)dir;
 	totalbytes = 0;
-	while (dir->direntlen >= 0) {
+	while (le16_to_cpu(dir->direntlen) >= 0) {
 		/*
 		 * blocksize-totalbytes because last
 		 * directory length i.e., *dir->direntlen

@@ -790,20 +816,23 @@ static int check_filename(char *filename, unsigned int blknr)
 		if (strlen(filename) == dir->namelen) {
 			if (strncmp(filename, ptr + sizeof(struct ext2_dirent),
 				dir->namelen) == 0) {
+				uint16_t new_len;
 				printf("file found deleting\n");
-				previous_dir->direntlen += dir->direntlen;
-				inodeno = dir->inode;
+				new_len = le16_to_cpu(previous_dir->direntlen);
+				new_len += le16_to_cpu(dir->direntlen);
+				previous_dir->direntlen = cpu_to_le16(new_len);
+				inodeno = le32_to_cpu(dir->inode);
 				dir->inode = 0;
 				found = 1;
 				break;
 			}
 		}
 
-		if (fs->blksz - totalbytes == dir->direntlen)
+		if (fs->blksz - totalbytes == le16_to_cpu(dir->direntlen))
 			break;
 
 		/* traversing the each directory entry */
-		templength = dir->direntlen;
+		templength = le16_to_cpu(dir->direntlen);
 		totalbytes = totalbytes + templength;
 		previous_dir = dir;
 		dir = (struct ext2_dirent *)((char *)dir + templength);

@@ -843,14 +872,14 @@ int ext4fs_filename_check(char *filename)
 	return -1;
 }
 
-long int ext4fs_get_new_blk_no(void)
+uint32_t ext4fs_get_new_blk_no(void)
 {
 	short i;
 	short status;
 	int remainder;
 	unsigned int bg_idx;
 	static int prev_bg_bitmap_index = -1;
-	unsigned int blk_per_grp = ext4fs_root->sblock.blocks_per_group;
+	unsigned int blk_per_grp = le32_to_cpu(ext4fs_root->sblock.blocks_per_group);
 	struct ext_filesystem *fs = get_fs();
 	char *journal_buffer = zalloc(fs->blksz);
 	char *zero_buffer = zalloc(fs->blksz);

@@ -860,14 +889,13 @@ long int ext4fs_get_new_blk_no(void)
 
 	if (fs->first_pass_bbmap == 0) {
 		for (i = 0; i < fs->no_blkgrp; i++) {
-			if (bgd[i].free_blocks) {
-				if (bgd[i].bg_flags & EXT4_BG_BLOCK_UNINIT) {
-					put_ext4(((uint64_t) ((uint64_t)bgd[i].block_id *
-							      (uint64_t)fs->blksz)),
+			if (le16_to_cpu(bgd[i].free_blocks)) {
+				if (le16_to_cpu(bgd[i].bg_flags) & EXT4_BG_BLOCK_UNINIT) {
+					uint16_t new_flags;
+					put_ext4((uint64_t)le32_to_cpu(bgd[i].block_id) * fs->blksz,
 						 zero_buffer, fs->blksz);
-					bgd[i].bg_flags =
-					    bgd[i].
-					    bg_flags & ~EXT4_BG_BLOCK_UNINIT;
+					new_flags = le16_to_cpu(bgd[i].bg_flags) & ~EXT4_BG_BLOCK_UNINIT;
+					bgd[i].bg_flags = cpu_to_le16(new_flags);
 					memcpy(fs->blk_bmaps[i], zero_buffer,
 					       fs->blksz);
 				}

@@ -879,17 +907,17 @@ long int ext4fs_get_new_blk_no(void)
 				fs->curr_blkno = fs->curr_blkno +
 						(i * fs->blksz * 8);
 				fs->first_pass_bbmap++;
-				bgd[i].free_blocks--;
-				fs->sb->free_blocks--;
-				status = ext4fs_devread((lbaint_t)
-							bgd[i].block_id *
+				ext4fs_bg_free_blocks_dec(&bgd[i]);
+				ext4fs_sb_free_inodes_dec(fs->sb);
+				status = ext4fs_devread(
+							(lbaint_t)le32_to_cpu(bgd[i].block_id) *
 							fs->sect_perblk, 0,
 							fs->blksz,
 							journal_buffer);
 				if (status == 0)
 					goto fail;
 				if (ext4fs_log_journal(journal_buffer,
-							bgd[i].block_id))
+							le32_to_cpu(bgd[i].block_id)))
 					goto fail;
 				goto success;
 			} else {

@@ -923,13 +951,14 @@ restart:
 			goto restart;
 		}
 
-		if (bgd[bg_idx].bg_flags & EXT4_BG_BLOCK_UNINIT) {
+		if (le16_to_cpu(bgd[bg_idx].bg_flags) & EXT4_BG_BLOCK_UNINIT) {
+			uint16_t new_flags;
 			memset(zero_buffer, '\0', fs->blksz);
-			put_ext4(((uint64_t) ((uint64_t)bgd[bg_idx].block_id *
-					(uint64_t)fs->blksz)), zero_buffer, fs->blksz);
+			put_ext4((uint64_t)le32_to_cpu(bgd[bg_idx].block_id) * fs->blksz,
+				 zero_buffer, fs->blksz);
 			memcpy(fs->blk_bmaps[bg_idx], zero_buffer, fs->blksz);
-			bgd[bg_idx].bg_flags = bgd[bg_idx].bg_flags &
-						~EXT4_BG_BLOCK_UNINIT;
+			new_flags = le16_to_cpu(bgd[bg_idx].bg_flags) & ~EXT4_BG_BLOCK_UNINIT;
+			bgd[bg_idx].bg_flags = cpu_to_le16(new_flags);
 		}
 
 		if (ext4fs_set_block_bmap(fs->curr_blkno, fs->blk_bmaps[bg_idx],

@@ -942,19 +971,20 @@ restart:
 		/* journal backup */
 		if (prev_bg_bitmap_index != bg_idx) {
 			memset(journal_buffer, '\0', fs->blksz);
-			status = ext4fs_devread((lbaint_t)bgd[bg_idx].block_id
+			status = ext4fs_devread(
+						(lbaint_t)le32_to_cpu(bgd[bg_idx].block_id)
 						* fs->sect_perblk,
 						0, fs->blksz, journal_buffer);
 			if (status == 0)
 				goto fail;
 			if (ext4fs_log_journal(journal_buffer,
-						bgd[bg_idx].block_id))
+						le32_to_cpu(bgd[bg_idx].block_id)))
 				goto fail;
 
 			prev_bg_bitmap_index = bg_idx;
 		}
-		bgd[bg_idx].free_blocks--;
-		fs->sb->free_blocks--;
+		ext4fs_bg_free_blocks_dec(&bgd[bg_idx]);
+		ext4fs_sb_free_inodes_dec(fs->sb);
 		goto success;
 	}
 success:

@@ -975,7 +1005,7 @@ int ext4fs_get_new_inode_no(void)
 	short status;
 	unsigned int ibmap_idx;
 	static int prev_inode_bitmap_index = -1;
-	unsigned int inodes_per_grp = ext4fs_root->sblock.inodes_per_group;
+	unsigned int inodes_per_grp = le32_to_cpu(ext4fs_root->sblock.inodes_per_group);
 	struct ext_filesystem *fs = get_fs();
 	char *journal_buffer = zalloc(fs->blksz);
 	char *zero_buffer = zalloc(fs->blksz);

@@ -990,13 +1020,12 @@ int ext4fs_get_new_inode_no(void)
 						bgd[i].free_inodes)
 					bgd[i].bg_itable_unused =
 						bgd[i].free_inodes;
-				if (bgd[i].bg_flags & EXT4_BG_INODE_UNINIT) {
-					put_ext4(((uint64_t)
-						  ((uint64_t)bgd[i].inode_id *
-							(uint64_t)fs->blksz)),
+				if (le16_to_cpu(bgd[i].bg_flags) & EXT4_BG_INODE_UNINIT) {
+					int new_flags;
+					put_ext4((uint64_t)le32_to_cpu(bgd[i].inode_id) * fs->blksz,
 						 zero_buffer, fs->blksz);
-					bgd[i].bg_flags = bgd[i].bg_flags &
-							~EXT4_BG_INODE_UNINIT;
+					new_flags = le16_to_cpu(bgd[i].bg_flags) & ~EXT4_BG_INODE_UNINIT;
+					bgd[i].bg_flags = cpu_to_le16(new_flags);
 					memcpy(fs->inode_bmaps[i],
 					       zero_buffer, fs->blksz);
 				}

@@ -1008,18 +1037,18 @@ int ext4fs_get_new_inode_no(void)
 				fs->curr_inode_no = fs->curr_inode_no +
 							(i * inodes_per_grp);
 				fs->first_pass_ibmap++;
-				bgd[i].free_inodes--;
-				bgd[i].bg_itable_unused--;
-				fs->sb->free_inodes--;
-				status = ext4fs_devread((lbaint_t)
-							bgd[i].inode_id *
+				ext4fs_bg_free_inodes_dec(&bgd[i]);
+				ext4fs_bg_itable_unused_dec(&bgd[i]);
+				ext4fs_sb_free_inodes_dec(fs->sb);
+				status = ext4fs_devread(
+							(lbaint_t)le32_to_cpu(bgd[i].inode_id) *
 							fs->sect_perblk, 0,
 							fs->blksz,
 							journal_buffer);
 				if (status == 0)
 					goto fail;
 				if (ext4fs_log_journal(journal_buffer,
-							bgd[i].inode_id))
+							le32_to_cpu(bgd[i].inode_id)))
 					goto fail;
 				goto success;
 			} else

@@ -1031,13 +1060,13 @@ restart:
 		fs->curr_inode_no++;
 		/* get the blockbitmap index respective to blockno */
 		ibmap_idx = fs->curr_inode_no / inodes_per_grp;
-		if (bgd[ibmap_idx].bg_flags & EXT4_BG_INODE_UNINIT) {
+		if (le16_to_cpu(bgd[ibmap_idx].bg_flags) & EXT4_BG_INODE_UNINIT) {
+			int new_flags;
 			memset(zero_buffer, '\0', fs->blksz);
-			put_ext4(((uint64_t) ((uint64_t)bgd[ibmap_idx].inode_id *
-					      (uint64_t)fs->blksz)), zero_buffer,
-				 fs->blksz);
-			bgd[ibmap_idx].bg_flags =
-			    bgd[ibmap_idx].bg_flags & ~EXT4_BG_INODE_UNINIT;
+			put_ext4((uint64_t)le32_to_cpu(bgd[ibmap_idx].inode_id) * fs->blksz,
+				 zero_buffer, fs->blksz);
+			new_flags = le16_to_cpu(bgd[ibmap_idx].bg_flags) & ~EXT4_BG_INODE_UNINIT;
+			bgd[ibmap_idx].bg_flags = cpu_to_le16(new_flags);
 			memcpy(fs->inode_bmaps[ibmap_idx], zero_buffer,
 				fs->blksz);
 		}

@@ -1053,14 +1082,14 @@ restart:
 		/* journal backup */
 		if (prev_inode_bitmap_index != ibmap_idx) {
 			memset(journal_buffer, '\0', fs->blksz);
-			status = ext4fs_devread((lbaint_t)
-						bgd[ibmap_idx].inode_id
+			status = ext4fs_devread(
+						(lbaint_t)le32_to_cpu(bgd[ibmap_idx].inode_id)
 						* fs->sect_perblk,
 						0, fs->blksz, journal_buffer);
 			if (status == 0)
 				goto fail;
 			if (ext4fs_log_journal(journal_buffer,
-						bgd[ibmap_idx].inode_id))
+						le32_to_cpu(bgd[ibmap_idx].inode_id)))
 				goto fail;
 			prev_inode_bitmap_index = ibmap_idx;
 		}

@@ -1068,9 +1097,9 @@ restart:
 				bgd[ibmap_idx].free_inodes)
 			bgd[ibmap_idx].bg_itable_unused =
 					bgd[ibmap_idx].free_inodes;
-		bgd[ibmap_idx].free_inodes--;
-		bgd[ibmap_idx].bg_itable_unused--;
-		fs->sb->free_inodes--;
+		ext4fs_bg_free_inodes_dec(&bgd[ibmap_idx]);
+		ext4fs_bg_itable_unused_dec(&bgd[ibmap_idx]);
+		ext4fs_sb_free_inodes_dec(fs->sb);
 		goto success;
 	}
 

@@ -1097,8 +1126,8 @@ static void alloc_single_indirect_block(struct ext2_inode *file_inode,
 	long int actual_block_no;
 	long int si_blockno;
 	/* si :single indirect */
-	unsigned int *si_buffer = NULL;
-	unsigned int *si_start_addr = NULL;
+	__le32 *si_buffer = NULL;
+	__le32 *si_start_addr = NULL;
 	struct ext_filesystem *fs = get_fs();
 
 	if (*total_remaining_blocks != 0) {

@@ -1128,7 +1157,7 @@ static void alloc_single_indirect_block(struct ext2_inode *file_inode,
 				printf("no block left to assign\n");
 				goto fail;
 			}
-			*si_buffer = actual_block_no;
+			*si_buffer = cpu_to_le32(actual_block_no);
 			debug("SIAB %u: %u\n", *si_buffer,
 				*total_remaining_blocks);
 

@@ -1141,7 +1170,7 @@ static void alloc_single_indirect_block(struct ext2_inode *file_inode,
 		/* write the block to disk */
 		put_ext4(((uint64_t) ((uint64_t)si_blockno * (uint64_t)fs->blksz)),
 			 si_start_addr, fs->blksz);
-		file_inode->b.blocks.indir_block = si_blockno;
+		file_inode->b.blocks.indir_block = cpu_to_le32(si_blockno);
 	}
 fail:
 	free(si_start_addr);

@@ -1158,10 +1187,10 @@ static void alloc_double_indirect_block(struct ext2_inode *file_inode,
 	/* di:double indirect */
 	long int di_blockno_parent;
 	long int di_blockno_child;
-	unsigned int *di_parent_buffer = NULL;
-	unsigned int *di_child_buff = NULL;
-	unsigned int *di_block_start_addr = NULL;
-	unsigned int *di_child_buff_start = NULL;
+	__le32 *di_parent_buffer = NULL;
+	__le32 *di_child_buff = NULL;
+	__le32 *di_block_start_addr = NULL;
+	__le32 *di_child_buff_start = NULL;
 	struct ext_filesystem *fs = get_fs();
 
 	if (*total_remaining_blocks != 0) {

@@ -1205,7 +1234,7 @@ static void alloc_double_indirect_block(struct ext2_inode *file_inode,
 				goto fail;
 
 			di_child_buff_start = di_child_buff;
-			*di_parent_buffer = di_blockno_child;
+			*di_parent_buffer = cpu_to_le32(di_blockno_child);
 			di_parent_buffer++;
 			(*no_blks_reqd)++;
 			debug("DICB %ld: %u\n", di_blockno_child,

@@ -1228,7 +1257,7 @@ static void alloc_double_indirect_block(struct ext2_inode *file_inode,
 					printf("no block left to assign\n");
 					goto fail;
 				}
-				*di_child_buff = actual_block_no;
+				*di_child_buff = cpu_to_le32(actual_block_no);
 				debug("DIAB %ld: %u\n", actual_block_no,
 				      *total_remaining_blocks);
 

@@ -1248,7 +1277,7 @@ static void alloc_double_indirect_block(struct ext2_inode *file_inode,
 		}
 		put_ext4(((uint64_t) ((uint64_t)di_blockno_parent * (uint64_t)fs->blksz)),
 			 di_block_start_addr, fs->blksz);
-		file_inode->b.blocks.double_indir_block = di_blockno_parent;
+		file_inode->b.blocks.double_indir_block = cpu_to_le32(di_blockno_parent);
 	}
 fail:
 	free(di_block_start_addr);

@@ -1266,12 +1295,12 @@ static void alloc_triple_indirect_block(struct ext2_inode *file_inode,
 	long int ti_gp_blockno;
 	long int ti_parent_blockno;
 	long int ti_child_blockno;
-	unsigned int *ti_gp_buff = NULL;
-	unsigned int *ti_parent_buff = NULL;
-	unsigned int *ti_child_buff = NULL;
-	unsigned int *ti_gp_buff_start_addr = NULL;
-	unsigned int *ti_pbuff_start_addr = NULL;
-	unsigned int *ti_cbuff_start_addr = NULL;
+	__le32 *ti_gp_buff = NULL;
+	__le32 *ti_parent_buff = NULL;
+	__le32 *ti_child_buff = NULL;
+	__le32 *ti_gp_buff_start_addr = NULL;
+	__le32 *ti_pbuff_start_addr = NULL;
+	__le32 *ti_cbuff_start_addr = NULL;
 	struct ext_filesystem *fs = get_fs();
 	if (*total_remaining_blocks != 0) {
 		/* triple indirect grand parent block connecting to inode */

@@ -1301,7 +1330,7 @@ static void alloc_triple_indirect_block(struct ext2_inode *file_inode,
 				goto fail;
 
 			ti_pbuff_start_addr = ti_parent_buff;
-			*ti_gp_buff = ti_parent_blockno;
+			*ti_gp_buff = cpu_to_le32(ti_parent_blockno);
 			ti_gp_buff++;
 			(*no_blks_reqd)++;
 			debug("TIPB %ld: %u\n", ti_parent_blockno,

@@ -1319,7 +1348,7 @@ static void alloc_triple_indirect_block(struct ext2_inode *file_inode,
 					goto fail1;
 
 				ti_cbuff_start_addr = ti_child_buff;
-				*ti_parent_buff = ti_child_blockno;
+				*ti_parent_buff = cpu_to_le32(ti_child_blockno);
 				ti_parent_buff++;
 				(*no_blks_reqd)++;
 				debug("TICB %ld: %u\n", ti_parent_blockno,

@@ -1335,7 +1364,7 @@ static void alloc_triple_indirect_block(struct ext2_inode *file_inode,
 						free(ti_cbuff_start_addr);
 						goto fail1;
 					}
-					*ti_child_buff = actual_block_no;
+					*ti_child_buff = cpu_to_le32(actual_block_no);
 					debug("TIAB %ld: %u\n", actual_block_no,
 					      *total_remaining_blocks);
 

@@ -1364,7 +1393,7 @@ static void alloc_triple_indirect_block(struct ext2_inode *file_inode,
 		/* write the grand parent block */
 		put_ext4(((uint64_t) ((uint64_t)ti_gp_blockno * (uint64_t)fs->blksz)),
 			 ti_gp_buff_start_addr, fs->blksz);
-		file_inode->b.blocks.triple_indir_block = ti_gp_blockno;
+		file_inode->b.blocks.triple_indir_block = cpu_to_le32(ti_gp_blockno);
 		free(ti_gp_buff_start_addr);
 		return;
 	}

@@ -1389,7 +1418,7 @@ void ext4fs_allocate_blocks(struct ext2_inode *file_inode,
 			printf("no block left to assign\n");
 			return;
 		}
-		file_inode->b.blocks.dir_blocks[i] = direct_blockno;
+		file_inode->b.blocks.dir_blocks[i] = cpu_to_le32(direct_blockno);
 		debug("DB %ld: %u\n", direct_blockno, total_remaining_blocks);
 
 		total_remaining_blocks--;

@@ -1420,7 +1449,7 @@ static struct ext4_extent_header *ext4fs_get_extent_block
 		index = (struct ext4_extent_idx *)(ext_block + 1);
 
 		if (le16_to_cpu(ext_block->eh_magic) != EXT4_EXT_MAGIC)
-			return 0;
+			return NULL;
 
 		if (ext_block->eh_depth == 0)
 			return ext_block;

@@ -1432,7 +1461,7 @@ static struct ext4_extent_header *ext4fs_get_extent_block
 		} while (fileblock >= le32_to_cpu(index[i].ei_block));
 
 		if (--i < 0)
-			return 0;
+			return NULL;
 
 		block = le16_to_cpu(index[i].ei_leaf_hi);
 		block = (block << 32) + le32_to_cpu(index[i].ei_leaf_lo);

@@ -1441,7 +1470,7 @@ static struct ext4_extent_header *ext4fs_get_extent_block
 				   buf))
 			ext_block = (struct ext4_extent_header *)buf;
 		else
-			return 0;
+			return NULL;
 	}
 }
 

@@ -2034,11 +2063,11 @@ static char *ext4fs_read_symlink(struct ext2fs_node *node)
 	if (!diro->inode_read) {
 		status = ext4fs_read_inode(diro->data, diro->ino, &diro->inode);
 		if (status == 0)
-			return 0;
+			return NULL;
 	}
 	symlink = zalloc(le32_to_cpu(diro->inode.size) + 1);
 	if (!symlink)
-		return 0;
+		return NULL;
 
 	if (le32_to_cpu(diro->inode.size) < sizeof(diro->inode.b.symlink)) {
 		strncpy(symlink, diro->inode.b.symlink,

@@ -2049,7 +2078,7 @@ static char *ext4fs_read_symlink(struct ext2fs_node *node)
 					   symlink, &actread);
 		if ((status < 0) || (actread == 0)) {
 			free(symlink);
-			return 0;
+			return NULL;
 		}
 	}
 	symlink[le32_to_cpu(diro->inode.size)] = '\0';

@@ -2234,7 +2263,7 @@ int ext4fs_mount(unsigned part_length)
 	 * and we do not support metadata_csum (and cannot reliably find
 	 * files when it is set.  Refuse to mount.
 	 */
-	if (data->sblock.feature_incompat & EXT4_FEATURE_INCOMPAT_64BIT) {
+	if (le32_to_cpu(data->sblock.feature_incompat) & EXT4_FEATURE_INCOMPAT_64BIT) {
 		printf("Unsupported feature found (64bit, possibly metadata_csum), not mounting\n");
 		goto fail;
 	}

index 48fd2ac..370a717 100644
@@ -59,10 +59,10 @@ int ext4fs_iterate_dir(struct ext2fs_node *dir, char *name,
 
 #if defined(CONFIG_EXT4_WRITE)
 uint32_t ext4fs_div_roundup(uint32_t size, uint32_t n);
-int ext4fs_checksum_update(unsigned int i);
+uint16_t ext4fs_checksum_update(unsigned int i);
 int ext4fs_get_parent_inode_num(const char *dirname, char *dname, int flags);
 void ext4fs_update_parent_dentry(char *filename, int *p_ino, int file_type);
-long int ext4fs_get_new_blk_no(void);
+uint32_t ext4fs_get_new_blk_no(void);
 int ext4fs_get_new_inode_no(void);
 void ext4fs_reset_block_bmap(long int blockno, unsigned char *buffer,
 					int index);

index 3f61335..cf14049 100644
@@ -151,7 +151,7 @@ int ext4fs_log_gdt(char *gd_table)
  * journal_buffer -- Buffer containing meta data
  * blknr -- Block number on disk of the meta data buffer
  */
-int ext4fs_log_journal(char *journal_buffer, long int blknr)
+int ext4fs_log_journal(char *journal_buffer, uint32_t blknr)
 {
 	struct ext_filesystem *fs = get_fs();
 	short i;

@@ -183,7 +183,7 @@ int ext4fs_log_journal(char *journal_buffer, long int blknr)
  * metadata_buffer -- Buffer containing meta data
  * blknr -- Block number on disk of the meta data buffer
  */
-int ext4fs_put_metadata(char *metadata_buffer, long int blknr)
+int ext4fs_put_metadata(char *metadata_buffer, uint32_t blknr)
 {
 	struct ext_filesystem *fs = get_fs();
 	if (!metadata_buffer) {

@@ -215,7 +215,7 @@ void print_revoke_blks(char *revk_blk)
 	printf("total bytes %d\n", max);
 
 	while (offset < max) {
-		blocknr = be32_to_cpu(*((long int *)(revk_blk + offset)));
+		blocknr = be32_to_cpu(*((__be32 *)(revk_blk + offset)));
 		printf("revoke blknr is %ld\n", blocknr);
 		offset += 4;
 	}

@@ -302,7 +302,7 @@ int check_blknr_for_revoke(long int blknr, int sequence_no)
 			max = be32_to_cpu(header->r_count);
 
 			while (offset < max) {
-				blocknr = be32_to_cpu(*((long int *)
+				blocknr = be32_to_cpu(*((__be32 *)
 						  (revk_blk + offset)));
 				if (blocknr == blknr)
 					goto found;

@@ -420,7 +420,7 @@ int ext4fs_check_journal_state(int recovery_flag)
 		       temp_buff);
 	jsb = (struct journal_superblock_t *) temp_buff;
 
-	if (fs->sb->feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER) {
+	if (le32_to_cpu(fs->sb->feature_incompat) & EXT3_FEATURE_INCOMPAT_RECOVER) {
 		if (recovery_flag == RECOVER)
 			printf("Recovery required\n");
 	} else {

@@ -517,11 +517,14 @@ int ext4fs_check_journal_state(int recovery_flag)
 
 end:
 	if (recovery_flag == RECOVER) {
+		uint32_t new_feature_incompat;
 		jsb->s_start = cpu_to_be32(1);
 		jsb->s_sequence = cpu_to_be32(be32_to_cpu(jsb->s_sequence) + 1);
 		/* get the superblock */
 		ext4_read_superblock((char *)fs->sb);
-		fs->sb->feature_incompat |= EXT3_FEATURE_INCOMPAT_RECOVER;
+		new_feature_incompat = le32_to_cpu(fs->sb->feature_incompat);
+		new_feature_incompat |= EXT3_FEATURE_INCOMPAT_RECOVER;
+		fs->sb->feature_incompat = cpu_to_le32(new_feature_incompat);
 
 		/* Update the super block */
 		put_ext4((uint64_t) (SUPERBLOCK_SIZE),

index d54165c..3d05ad5 100644
@@ -115,8 +115,8 @@ extern struct ext2_data *ext4fs_root;
 int ext4fs_init_journal(void);
 int ext4fs_log_gdt(char *gd_table);
 int ext4fs_check_journal_state(int recovery_flag);
-int ext4fs_log_journal(char *journal_buffer, long int blknr);
-int ext4fs_put_metadata(char *metadata_buffer, long int blknr);
+int ext4fs_log_journal(char *journal_buffer, uint32_t blknr);
+int ext4fs_put_metadata(char *metadata_buffer, uint32_t blknr);
 void ext4fs_update_journal(void);
 void ext4fs_dump_metadata(void);
 void ext4fs_push_revoke_blk(char *buffer);

530 lines not on this page · raw message

index 3220091..4cd2aa7 100644
@@ -52,7 +52,7 @@
 #define LOG2_BLOCK_SIZE(data)	   (le32_to_cpu		   \
 				    (data->sblock.log2_block_size) \
 				    + EXT2_MIN_BLOCK_LOG_SIZE)
-#define INODE_SIZE_FILESYSTEM(data)	(le32_to_cpu \
+#define INODE_SIZE_FILESYSTEM(data)	(le16_to_cpu \
 			(data->sblock.inode_size))
 
 #define EXT2_FT_DIR	2

index 567350f..4a003cf 100644
@@ -2268,7 +2268,7 @@ int ext4fs_mount(unsigned part_length)
 		goto fail;
 	}
 
-	if (le32_to_cpu(data->sblock.revision_level == 0))
+	if (le32_to_cpu(data->sblock.revision_level) == 0)
 		fs->inodesz = 128;
 	else
 		fs->inodesz = le16_to_cpu(data->sblock.inode_size);