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iov_iter: Remove iov_iter_for_each_range()

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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>
This commit is contained in:
David Howells 2021-04-09 19:10:53 +01:00 committed by Al Viro
parent 8959a23924
commit 66cd071a1f
2 changed files with 0 additions and 31 deletions
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4
include/linux/uio.h
View File

@ -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

27
lib/iov_iter.c
View File

@ -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);