ext4_inode: deal with i_extra_isize depending on inode size

diff --git a/src/ext4_inode.c b/src/ext4_inode.c
index 513da6015d08b3bd0fab4b818850e9584713889b..13473f72515e57f28d81ec28413cf2ba25136a71 100644 (file)
--- a/src/ext4_inode.c
+++ b/src/ext4_inode.c
@@ -273,7 +273,8 @@ void ext4_inode_set_generation(struct ext4_inode *inode, uint32_t gen)
 uint16_t ext4_inode_get_extra_isize(struct ext4_sblock *sb,
                                    struct ext4_inode *inode)
 {
-       if (ext4_sb_feature_ro_com(sb, EXT4_FRO_COM_EXTRA_ISIZE))
+       uint16_t inode_size = ext4_get16(sb, inode_size);
+       if (inode_size > EXT4_GOOD_OLD_INODE_SIZE)
                return to_le16(inode->extra_isize);
        else
                return 0;
@@ -283,7 +284,8 @@ void ext4_inode_set_extra_isize(struct ext4_sblock *sb,
                                struct ext4_inode *inode,
                                uint16_t size)
 {
-       if (ext4_sb_feature_ro_com(sb, EXT4_FRO_COM_EXTRA_ISIZE))
+       uint16_t inode_size = ext4_get16(sb, inode_size);
+       if (inode_size > EXT4_GOOD_OLD_INODE_SIZE)
                inode->extra_isize = to_le16(size);
 }