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-rw-r--r--mm/filemap.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/mm/filemap.c b/mm/filemap.c
index 70c048ea36e0..866f4ae8223b 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1699,8 +1699,10 @@ generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov,
size = i_size_read(inode);
retval = filemap_write_and_wait_range(mapping, pos,
pos + count - 1);
- if (!retval)
- retval = mapping->a_ops->direct_IO(READ, iocb, &i, pos);
+ if (!retval) {
+ struct iov_iter data = i;
+ retval = mapping->a_ops->direct_IO(READ, iocb, &data, pos);
+ }
if (retval > 0) {
*ppos = pos + retval;
@@ -2351,6 +2353,7 @@ generic_file_direct_write(struct kiocb *iocb, struct iov_iter *from,
ssize_t written;
size_t write_len;
pgoff_t end;
+ struct iov_iter data;
if (count != ocount)
from->nr_segs = iov_shorten((struct iovec *)from->iov, from->nr_segs, count);
@@ -2382,7 +2385,8 @@ generic_file_direct_write(struct kiocb *iocb, struct iov_iter *from,
}
}
- written = mapping->a_ops->direct_IO(WRITE, iocb, from, pos);
+ data = *from;
+ written = mapping->a_ops->direct_IO(WRITE, iocb, &data, pos);
/*
* Finally, try again to invalidate clean pages which might have been