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mm: allow read-ahead with IOCB_NOWAIT set

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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>
This commit is contained in:
Jens Axboe 2020-05-22 08:59:42 -06:00
parent b63534c41e
commit 2e85abf053
1 changed files with 0 additions and 2 deletions
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2
mm/filemap.c
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@ -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);