[readdir] ->readdir() is gone

everything's converted to ->iterate()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

Documentation/filesystems/Locking

diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking
index 0706d32a..bdd82b2 100644
--- a/Documentation/filesystems/Locking
+++ b/Documentation/filesystems/Locking
@@ -414,7 +414,7 @@
 	ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *);
 	ssize_t (*aio_read) (struct kiocb *, const struct iovec *, unsigned long, loff_t);
 	ssize_t (*aio_write) (struct kiocb *, const struct iovec *, unsigned long, loff_t);
-	int (*readdir) (struct file *, void *, filldir_t);
+	int (*iterate) (struct file *, struct dir_context *);
 	unsigned int (*poll) (struct file *, struct poll_table_struct *);
 	long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long);
 	long (*compat_ioctl) (struct file *, unsigned int, unsigned long);

Documentation/filesystems/porting

diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting
index 85a4a03..206a1bd 100644
--- a/Documentation/filesystems/porting
+++ b/Documentation/filesystems/porting
@@ -448,3 +448,6 @@
 --
 [mandatory]
 	vfs_readdir() is gone; switch to iterate_dir() instead
+--
+[mandatory]
+	->readdir() is gone now; switch to ->iterate()

Documentation/filesystems/vfs.txt

diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
index bc4b06b..4a35f66 100644
--- a/Documentation/filesystems/vfs.txt
+++ b/Documentation/filesystems/vfs.txt
@@ -777,7 +777,7 @@
 	ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *);
 	ssize_t (*aio_read) (struct kiocb *, const struct iovec *, unsigned long, loff_t);
 	ssize_t (*aio_write) (struct kiocb *, const struct iovec *, unsigned long, loff_t);
-	int (*readdir) (struct file *, void *, filldir_t);
+	int (*iterate) (struct file *, struct dir_context *);
 	unsigned int (*poll) (struct file *, struct poll_table_struct *);
 	long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long);
 	long (*compat_ioctl) (struct file *, unsigned int, unsigned long);
@@ -815,7 +815,7 @@
 
   aio_write: called by io_submit(2) and other asynchronous I/O operations
 
-  readdir: called when the VFS needs to read the directory contents
+  iterate: called when the VFS needs to read the directory contents
 
   poll: called by the VFS when a process wants to check if there is
 	activity on this file and (optionally) go to sleep until there

fs/bad_inode.c

diff --git a/fs/bad_inode.c b/fs/bad_inode.c
index 922ad46..7c93953 100644
--- a/fs/bad_inode.c
+++ b/fs/bad_inode.c
@@ -45,7 +45,7 @@
 	return -EIO;
 }
 
-static int bad_file_readdir(struct file *filp, void *dirent, filldir_t filldir)
+static int bad_file_readdir(struct file *file, struct dir_context *ctx)
 {
 	return -EIO;
 }
@@ -152,7 +152,7 @@
 	.write		= bad_file_write,
 	.aio_read	= bad_file_aio_read,
 	.aio_write	= bad_file_aio_write,
-	.readdir	= bad_file_readdir,
+	.iterate	= bad_file_readdir,
 	.poll		= bad_file_poll,
 	.unlocked_ioctl	= bad_file_unlocked_ioctl,
 	.compat_ioctl	= bad_file_compat_ioctl,

fs/exportfs/expfs.c

diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c
index 6c8ef1d..78072e6 100644
--- a/fs/exportfs/expfs.c
+++ b/fs/exportfs/expfs.c
@@ -272,7 +272,7 @@
 		goto out;
 
 	error = -EINVAL;
-	if (!file->f_op->readdir && !file->f_op->iterate)
+	if (!file->f_op->iterate)
 		goto out_close;
 
 	buffer.name = name;

fs/readdir.c

diff --git a/fs/readdir.c b/fs/readdir.c
index 5d6578a..a6245c9 100644
--- a/fs/readdir.c
+++ b/fs/readdir.c
@@ -24,7 +24,7 @@
 {
 	struct inode *inode = file_inode(file);
 	int res = -ENOTDIR;
-	if (!file->f_op || (!file->f_op->readdir && !file->f_op->iterate))
+	if (!file->f_op || !file->f_op->iterate)
 		goto out;
 
 	res = security_file_permission(file, MAY_READ);
@@ -37,14 +37,9 @@
 
 	res = -ENOENT;
 	if (!IS_DEADDIR(inode)) {
-		if (file->f_op->iterate) {
-			ctx->pos = file->f_pos;
-			res = file->f_op->iterate(file, ctx);
-			file->f_pos = ctx->pos;
-		} else {
-			res = file->f_op->readdir(file, ctx, ctx->actor);
-			ctx->pos = file->f_pos;
-		}
+		ctx->pos = file->f_pos;
+		res = file->f_op->iterate(file, ctx);
+		file->f_pos = ctx->pos;
 		file_accessed(file);
 	}
 	mutex_unlock(&inode->i_mutex);

include/linux/fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index aa9770c..237af62 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1526,7 +1526,6 @@
 	ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *);
 	ssize_t (*aio_read) (struct kiocb *, const struct iovec *, unsigned long, loff_t);
 	ssize_t (*aio_write) (struct kiocb *, const struct iovec *, unsigned long, loff_t);
-	int (*readdir) (struct file *, void *, filldir_t);
 	int (*iterate) (struct file *, struct dir_context *);
 	unsigned int (*poll) (struct file *, struct poll_table_struct *);
 	long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long);