X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=lwext4%2Fext4_inode.c;h=8ee76f8b02cdb7d8ba67c68faa277f7801753f93;hb=c7c5aba4d7e3af2e3676051d14ed9512fac76bc2;hp=b996df5cb3ddcf9aa86761809abf9af80258d094;hpb=c897dc5a646527c2b87e4bc0399db59b46edbb1d;p=lwext4.git

diff --git a/lwext4/ext4_inode.c b/lwext4/ext4_inode.c
index b996df5..8ee76f8 100644
--- a/lwext4/ext4_inode.c
+++ b/lwext4/ext4_inode.c
@@ -108,6 +108,31 @@ void ext4_inode_set_size(struct ext4_inode *inode, uint64_t size)
 	inode->size_hi = to_le32(size >> 32);
 }
 
+uint32_t
+ext4_inode_get_checksum(struct ext4_sblock *sb, struct ext4_inode *inode)
+{
+	uint16_t inode_size = ext4_get16(sb, inode_size);
+	uint32_t v = to_le16(inode->osd2.linux2.checksum_lo);
+
+	if (inode_size > EXT4_GOOD_OLD_INODE_SIZE)
+		v |= ((uint32_t)to_le16(inode->checksum_hi)) << 16;
+
+	return v;
+}
+
+void
+ext4_inode_set_checksum(struct ext4_sblock *sb, struct ext4_inode *inode,
+			uint32_t checksum)
+{
+	uint16_t inode_size = ext4_get16(sb, inode_size);
+	inode->osd2.linux2.checksum_lo =
+		to_le16((checksum << 16) >> 16);
+
+	if (inode_size > EXT4_GOOD_OLD_INODE_SIZE)
+		inode->checksum_hi = to_le16(checksum >> 16);
+
+}
+
 uint32_t ext4_inode_get_access_time(struct ext4_inode *inode)
 {
 	return to_le32(inode->access_time);
@@ -246,6 +271,16 @@ void ext4_inode_set_generation(struct ext4_inode *inode, uint32_t gen)
 	inode->generation = to_le32(gen);
 }
 
+uint16_t ext4_inode_get_extra_isize(struct ext4_inode *inode)
+{
+	return to_le16(inode->extra_isize);
+}
+
+void ext4_inode_set_extra_isize(struct ext4_inode *inode, uint16_t size)
+{
+	inode->extra_isize = to_le16(size);
+}
+
 uint64_t ext4_inode_get_file_acl(struct ext4_inode *inode,
 				 struct ext4_sblock *sb)
 {
@@ -290,11 +325,15 @@ void ext4_inode_set_indirect_block(struct ext4_inode *inode, uint32_t idx,
 	inode->blocks[idx + EXT4_INODE_INDIRECT_BLOCK] = to_le32(block);
 }
 
+uint32_t ext4_inode_type(struct ext4_sblock *sb, struct ext4_inode *inode)
+{
+	return (ext4_inode_get_mode(sb, inode) & EXT4_INODE_MODE_TYPE_MASK);
+}
+
 bool ext4_inode_is_type(struct ext4_sblock *sb, struct ext4_inode *inode,
 			uint32_t type)
 {
-	return (ext4_inode_get_mode(sb, inode) & EXT4_INODE_MODE_TYPE_MASK) ==
-	       type;
+	return ext4_inode_type(sb, inode) == type;
 }
 
 bool ext4_inode_has_flag(struct ext4_inode *inode, uint32_t f)
@@ -323,7 +362,8 @@ bool ext4_inode_can_truncate(struct ext4_sblock *sb, struct ext4_inode *inode)
 		return false;
 
 	if ((ext4_inode_is_type(sb, inode, EXT4_INODE_MODE_FILE)) ||
-	    (ext4_inode_is_type(sb, inode, EXT4_INODE_MODE_DIRECTORY)))
+	    (ext4_inode_is_type(sb, inode, EXT4_INODE_MODE_DIRECTORY)) ||
+	    (ext4_inode_is_type(sb, inode, EXT4_INODE_MODE_SOFTLINK)))
 		return true;
 
 	return false;