WIP: update tizen_qemu_defconfig

[platform/kernel/linux-starfive.git] / mm / filemap.c

diff --git a/mm/filemap.c b/mm/filemap.c
index 0834161..322aea7 100644 (file)
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2569,18 +2569,19 @@ static int filemap_get_pages(struct kiocb *iocb, struct iov_iter *iter,
        struct folio *folio;
        int err = 0;
 
+       /* "last_index" is the index of the page beyond the end of the read */
        last_index = DIV_ROUND_UP(iocb->ki_pos + iter->count, PAGE_SIZE);
 retry:
        if (fatal_signal_pending(current))
                return -EINTR;
 
-       filemap_get_read_batch(mapping, index, last_index, fbatch);
+       filemap_get_read_batch(mapping, index, last_index - 1, fbatch);
        if (!folio_batch_count(fbatch)) {
                if (iocb->ki_flags & IOCB_NOIO)
                        return -EAGAIN;
                page_cache_sync_readahead(mapping, ra, filp, index,
                                last_index - index);
-               filemap_get_read_batch(mapping, index, last_index, fbatch);
+               filemap_get_read_batch(mapping, index, last_index - 1, fbatch);
        }
        if (!folio_batch_count(fbatch)) {
                if (iocb->ki_flags & (IOCB_NOWAIT | IOCB_WAITQ))