diff options
| -rw-r--r-- | fs/hugetlbfs/inode.c | 31 |
1 files changed, 1 insertions, 30 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 20336cb3c040..40e124a24efa 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -284,35 +284,6 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, } #endif -static size_t -hugetlbfs_read_actor(struct page *page, unsigned long offset, - struct iov_iter *to, unsigned long size) -{ - size_t copied = 0; - int i, chunksize; - - /* Find which 4k chunk and offset with in that chunk */ - i = offset >> PAGE_SHIFT; - offset = offset & ~PAGE_MASK; - - while (size) { - size_t n; - chunksize = PAGE_SIZE; - if (offset) - chunksize -= offset; - if (chunksize > size) - chunksize = size; - n = copy_page_to_iter(&page[i], offset, chunksize, to); - copied += n; - if (n != chunksize) - return copied; - offset = 0; - size -= chunksize; - i++; - } - return copied; -} - /* * Support for read() - Find the page attached to f_mapping and copy out the * data. Its *very* similar to generic_file_buffered_read(), we can't use that @@ -363,7 +334,7 @@ static ssize_t hugetlbfs_read_iter(struct kiocb *iocb, struct iov_iter *to) /* * We have the page, copy it to user space buffer. */ - copied = hugetlbfs_read_actor(page, offset, to, nr); + copied = copy_page_to_iter(page, offset, nr, to); put_page(page); } offset += copied; |