X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fext3_fs.h;h=9f9cce7bd86dd0f5e4991040cf94dee4401c8f95;hb=2ccb48ebb4de139eef4fcefd5f2bb823cb0d81b9;hp=5607e6457a65b8fc9df2bcd081532a833d41599c;hpb=2a2ed2db353d949c06b6ef8b6913f65b39111eab;p=linux-2.6

diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h
index 5607e6457a..9f9cce7bd8 100644
--- a/include/linux/ext3_fs.h
+++ b/include/linux/ext3_fs.h
@@ -492,6 +492,15 @@ static inline struct ext3_inode_info *EXT3_I(struct inode *inode)
 {
 	return container_of(inode, struct ext3_inode_info, vfs_inode);
 }
+
+static inline int ext3_valid_inum(struct super_block *sb, unsigned long ino)
+{
+	return ino == EXT3_ROOT_INO ||
+		ino == EXT3_JOURNAL_INO ||
+		ino == EXT3_RESIZE_INO ||
+		(ino >= EXT3_FIRST_INO(sb) &&
+		 ino <= le32_to_cpu(EXT3_SB(sb)->s_es->s_inodes_count));
+}
 #else
 /* Assume that user mode programs are passing in an ext3fs superblock, not
  * a kernel struct super_block.  This will allow us to call the feature-test