simple local filesystems: switch to ->iterate_shared()

no changes needed (XFS isn't simple, but it has the same parallelism
in the interesting parts exercised from CXFS).

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/affs/dir.c b/fs/affs/dir.c
index ac4f318..f1e7294 100644
--- a/fs/affs/dir.c
+++ b/fs/affs/dir.c
@@ -20,7 +20,7 @@
 const struct file_operations affs_dir_operations = {
 	.read		= generic_read_dir,
 	.llseek		= generic_file_llseek,
-	.iterate	= affs_readdir,
+	.iterate_shared	= affs_readdir,
 	.fsync		= affs_file_fsync,
 };
 
diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
index f0f4363..19efd11 100644
--- a/fs/ext2/dir.c
+++ b/fs/ext2/dir.c
@@ -716,7 +716,7 @@
 const struct file_operations ext2_dir_operations = {
 	.llseek		= generic_file_llseek,
 	.read		= generic_read_dir,
-	.iterate	= ext2_readdir,
+	.iterate_shared	= ext2_readdir,
 	.unlocked_ioctl = ext2_ioctl,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	= ext2_compat_ioctl,
diff --git a/fs/minix/dir.c b/fs/minix/dir.c
index 33957c0..31dcd51 100644
--- a/fs/minix/dir.c
+++ b/fs/minix/dir.c
@@ -21,7 +21,7 @@
 const struct file_operations minix_dir_operations = {
 	.llseek		= generic_file_llseek,
 	.read		= generic_read_dir,
-	.iterate	= minix_readdir,
+	.iterate_shared	= minix_readdir,
 	.fsync		= generic_file_fsync,
 };
 
diff --git a/fs/sysv/dir.c b/fs/sysv/dir.c
index c0f0a3e..2661b77 100644
--- a/fs/sysv/dir.c
+++ b/fs/sysv/dir.c
@@ -23,7 +23,7 @@
 const struct file_operations sysv_dir_operations = {
 	.llseek		= generic_file_llseek,
 	.read		= generic_read_dir,
-	.iterate	= sysv_readdir,
+	.iterate_shared	= sysv_readdir,
 	.fsync		= generic_file_fsync,
 };
 
diff --git a/fs/ufs/dir.c b/fs/ufs/dir.c
index 4c07421..57dcced 100644
--- a/fs/ufs/dir.c
+++ b/fs/ufs/dir.c
@@ -653,7 +653,7 @@
 
 const struct file_operations ufs_dir_operations = {
 	.read		= generic_read_dir,
-	.iterate	= ufs_readdir,
+	.iterate_shared	= ufs_readdir,
 	.fsync		= generic_file_fsync,
 	.llseek		= generic_file_llseek,
 };
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 569938a..345fd85 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -1714,7 +1714,7 @@
 const struct file_operations xfs_dir_file_operations = {
 	.open		= xfs_dir_open,
 	.read		= generic_read_dir,
-	.iterate	= xfs_file_readdir,
+	.iterate_shared	= xfs_file_readdir,
 	.llseek		= generic_file_llseek,
 	.unlocked_ioctl	= xfs_file_ioctl,
 #ifdef CONFIG_COMPAT