Fix build for v4.2 kernel VFS changes.

ngothan · Jul 12, 2015 · 5b22491 · 5b22491
1 parent 0c3b682
commit 5b22491
Showing 1 changed file with 17 additions and 2 deletions.
diff --git a/exfat_super.c b/exfat_super.c
@@ -1307,13 +1307,20 @@ const struct inode_operations exfat_dir_inode_operations = {
 /*======================================================================*/
 /*  File Operations                                                     */
 /*======================================================================*/
-
+#if LINUX_VERSION_CODE > KERNEL_VERSION(4,1,0)
+static const char *exfat_follow_link(struct dentry *dentry, void **cookie)
+{
+	struct exfat_inode_info *ei = EXFAT_I(dentry->d_inode);
+	return *cookie = (char *)(ei->target);
+}
+#else
 static void *exfat_follow_link(struct dentry *dentry, struct nameidata *nd)
 {
 	struct exfat_inode_info *ei = EXFAT_I(dentry->d_inode);
 	nd_set_link(nd, (char *)(ei->target));
 	return NULL;
 }
+#endif
 
 const struct inode_operations exfat_symlink_inode_operations = {
 	.readlink    = generic_readlink,
@@ -1591,16 +1598,24 @@ static ssize_t exfat_direct_IO(int rw, struct kiocb *iocb,
 					   const struct iovec *iov,
 					   loff_t offset, unsigned long nr_segs)
 #endif
-#else
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
 static ssize_t exfat_direct_IO(int rw, struct kiocb *iocb,
 					   struct iov_iter *iter, loff_t offset)
+#else /* >= 4.1.x */
+static ssize_t exfat_direct_IO(struct kiocb *iocb,
+					   struct iov_iter *iter, loff_t offset)
 #endif
 {
 	struct inode *inode = iocb->ki_filp->f_mapping->host;
 #if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,34)
 	struct address_space *mapping = iocb->ki_filp->f_mapping;
 #endif
 	ssize_t ret;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)
+	int rw;
+
+	rw = iov_iter_rw(iter);
+#endif
 
 	if (rw == WRITE) {
 #if LINUX_VERSION_CODE < KERNEL_VERSION(3,16,0)