cifs: Fix memory leak when using fscache
If we hit the 'index == next_cached' case, we leak a refcount on the struct page. Fix this by using readahead_folio() which takes care of the refcount for you. Fixes: 0174ee99 ("cifs: Implement cache I/O by accessing the cache directly") Cc: David Howells <dhowells@redhat.com> Cc: Jeff Layton <jlayton@kernel.org> Signed-off-by:Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by:
Steve French <stfrench@microsoft.com>
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