[RFC PATCH 1/2] iov_iter: Remove iov_iter_for_each_range()

From: David Howells
Date: Fri Apr 09 2021 - 14:11:15 EST


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

Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
---

include/linux/uio.h | 4 ----
lib/iov_iter.c | 27 ---------------------------
2 files changed, 31 deletions(-)

diff --git a/include/linux/uio.h b/include/linux/uio.h
index 5f5ffc45d4aa..221c256304d4 100644
--- a/include/linux/uio.h
+++ b/include/linux/uio.h
@@ -295,8 +295,4 @@ 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 f808c625c11e..93e9838c128d 100644
--- a/lib/iov_iter.c
+++ b/lib/iov_iter.c
@@ -2094,30 +2094,3 @@ 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);