diff mbox series

[RFC,04/37] iov_iter: Remove iov_iter_for_each_range()

Message ID 20210606191051.1216821-4-viro@zeniv.linux.org.uk (mailing list archive)
State New
Headers show
Series [RFC,01/37] ntfs_copy_from_user_iter(): don't bother with copying iov_iter | expand

Commit Message

Al Viro June 6, 2021, 7:10 p.m. UTC
From: David Howells <dhowells@redhat.com>

Remove iov_iter_for_each_range() as it's no longer used with the removal of
lustre.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 include/linux/uio.h |  4 ----
 lib/iov_iter.c      | 27 ---------------------------
 2 files changed, 31 deletions(-)
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Patch

diff --git a/include/linux/uio.h b/include/linux/uio.h
index d3ec87706d75..74a401f04bd3 100644
--- a/include/linux/uio.h
+++ b/include/linux/uio.h
@@ -294,8 +294,4 @@  ssize_t __import_iovec(int type, const struct iovec __user *uvec,
 int import_single_range(int type, void __user *buf, size_t len,
 		 struct iovec *iov, struct iov_iter *i);
 
-int iov_iter_for_each_range(struct iov_iter *i, size_t bytes,
-			    int (*f)(struct kvec *vec, void *context),
-			    void *context);
-
 #endif
diff --git a/lib/iov_iter.c b/lib/iov_iter.c
index c701b7a187f2..8f5ce5b1ff91 100644
--- a/lib/iov_iter.c
+++ b/lib/iov_iter.c
@@ -2093,30 +2093,3 @@  int import_single_range(int rw, void __user *buf, size_t len,
 	return 0;
 }
 EXPORT_SYMBOL(import_single_range);
-
-int iov_iter_for_each_range(struct iov_iter *i, size_t bytes,
-			    int (*f)(struct kvec *vec, void *context),
-			    void *context)
-{
-	struct kvec w;
-	int err = -EINVAL;
-	if (!bytes)
-		return 0;
-
-	iterate_all_kinds(i, bytes, v, -EINVAL, ({
-		w.iov_base = kmap(v.bv_page) + v.bv_offset;
-		w.iov_len = v.bv_len;
-		err = f(&w, context);
-		kunmap(v.bv_page);
-		err;}), ({
-		w = v;
-		err = f(&w, context);}), ({
-		w.iov_base = kmap(v.bv_page) + v.bv_offset;
-		w.iov_len = v.bv_len;
-		err = f(&w, context);
-		kunmap(v.bv_page);
-		err;})
-	)
-	return err;
-}
-EXPORT_SYMBOL(iov_iter_for_each_range);