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7431f3a201
Retrieve a folio from the pagecache instead of a page and operate on it. Removes several hidden calls to compound_head() along with calls to deprecated functions like wait_on_page_writeback() and find_lock_page(). [dan.carpenter@linaro.org: fix NULL vs IS_ERR() bug in ceph_zero_partial_page()] Link: https://lkml.kernel.org/r/685c1424.050a0220.baa8.d6a1@mx.google.com Link: https://lkml.kernel.org/r/20250612143443.2848197-5-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Cc: Christoph Hellwig <hch@lst.de> Cc: Ilya Dryomov <idryomov@gmail.com> Cc: Ira Weiny <ira.weiny@intel.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Xiubo Li <xiubli@redhat.com> Cc: Dan Carpenter <dan.carpenter@linaro.org> Cc: Alex Markuze <amarkuze@redhat.com> Cc: Viacheslav Dubeyko <Slava.Dubeyko@ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>