Commit 2e85abf0 authored May 22, 2020 by Jens Axboe

mm: allow read-ahead with IOCB_NOWAIT set



The read-ahead shouldn't block, so allow it to be done even if
IOCB_NOWAIT is set in the kiocb.

Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

parent b63534c4

mm/filemap.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -2028,8 +2028,6 @@ find_page:

		page = find_get_page(mapping, index);
		if (!page) {
		if (iocb->ki_flags & IOCB_NOWAIT)
		goto would_block;
		page_cache_sync_readahead(mapping,
		ra, filp,
		index, last_index - index);

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