change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/net/ceph/pagevec.c
..
..
@@ -10,39 +10,6 @@
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 #include <linux/ceph/libceph.h>
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-/*
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- * build a vector of user pages
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- */
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-struct page **ceph_get_direct_page_vector(const void __user *data,
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-					  int num_pages, bool write_page)
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-{
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-	struct page **pages;
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-	int got = 0;
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-	int rc = 0;
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-
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-	pages = kmalloc_array(num_pages, sizeof(*pages), GFP_NOFS);
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-	if (!pages)
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-		return ERR_PTR(-ENOMEM);
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-
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-	while (got < num_pages) {
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-		rc = get_user_pages_fast(
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-		    (unsigned long)data + ((unsigned long)got * PAGE_SIZE),
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-		    num_pages - got, write_page, pages + got);
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-		if (rc < 0)
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-			break;
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-		BUG_ON(rc == 0);
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-		got += rc;
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-	}
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-	if (rc < 0)
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-		goto fail;
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-	return pages;
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-
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-fail:
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-	ceph_put_page_vector(pages, got, false);
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-	return ERR_PTR(rc);
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-}
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-EXPORT_SYMBOL(ceph_get_direct_page_vector);
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-
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 void ceph_put_page_vector(struct page **pages, int num_pages, bool dirty)
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 {
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 	int i;