X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fext4_inode.c;h=513da6015d08b3bd0fab4b818850e9584713889b;hb=fb6fd61f3ec5bc98fab5ad8e0d6fec95c70d643a;hp=9b6eb87650a0e3e879eeb3457db6dace8bc94baa;hpb=a45154a49b743eba4669442e6993c50583329d99;p=lwext4.git

diff --git a/src/ext4_inode.c b/src/ext4_inode.c
index 9b6eb87..513da60 100644
--- a/src/ext4_inode.c
+++ b/src/ext4_inode.c
@@ -41,6 +41,10 @@
 
 #include "ext4_config.h"
 #include "ext4_types.h"
+#include "ext4_misc.h"
+#include "ext4_errno.h"
+#include "ext4_debug.h"
+
 #include "ext4_inode.h"
 #include "ext4_super.h"
 
@@ -266,14 +270,21 @@ 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)
+uint16_t ext4_inode_get_extra_isize(struct ext4_sblock *sb,
+				    struct ext4_inode *inode)
 {
-	return to_le16(inode->extra_isize);
+	if (ext4_sb_feature_ro_com(sb, EXT4_FRO_COM_EXTRA_ISIZE))
+		return to_le16(inode->extra_isize);
+	else
+		return 0;
 }
 
-void ext4_inode_set_extra_isize(struct ext4_inode *inode, uint16_t size)
+void ext4_inode_set_extra_isize(struct ext4_sblock *sb,
+				struct ext4_inode *inode,
+				uint16_t size)
 {
-	inode->extra_isize = to_le16(size);
+	if (ext4_sb_feature_ro_com(sb, EXT4_FRO_COM_EXTRA_ISIZE))
+		inode->extra_isize = to_le16(size);
 }
 
 uint64_t ext4_inode_get_file_acl(struct ext4_inode *inode,
@@ -317,6 +328,26 @@ 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_get_dev(struct ext4_inode *inode)
+{
+	uint32_t dev_0, dev_1;
+	dev_0 = ext4_inode_get_direct_block(inode, 0);
+	dev_1 = ext4_inode_get_direct_block(inode, 1);
+
+	if (dev_0)
+		return dev_0;
+	else
+		return dev_1;
+}
+
+void ext4_inode_set_dev(struct ext4_inode *inode, uint32_t dev)
+{
+	if (dev & ~0xFFFF)
+		ext4_inode_set_direct_block(inode, 1, dev);
+	else
+		ext4_inode_set_direct_block(inode, 0, dev);
+}
+
 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);