21 static int squashfs_read_cache(struct page *target_page, u64 block, int bsize,
22 	int pages, struct page **page, int bytes);
25 int squashfs_readpage_block(struct page *target_page, u64 block, int bsize,  in squashfs_readpage_block()
37 	struct page **page;  in squashfs_readpage_block()  local
46 	page = kmalloc_array(pages, sizeof(void *), GFP_KERNEL);  in squashfs_readpage_block()
47 	if (page == NULL)  in squashfs_readpage_block()
54 	actor = squashfs_page_actor_init_special(page, pages, 0);  in squashfs_readpage_block()
60 		page[i] = (n == target_page->index) ? target_page :  in squashfs_readpage_block()
63 		if (page[i] == NULL) {  in squashfs_readpage_block()
68 		if (PageUptodate(page[i])) {  in squashfs_readpage_block()
69 			unlock_page(page[i]);  in squashfs_readpage_block()
70 			put_page(page[i]);  in squashfs_readpage_block()
71 			page[i] = NULL;  in squashfs_readpage_block()
85 							page, expected);  in squashfs_readpage_block()
105 		pageaddr = kmap_atomic(page[pages - 1]);  in squashfs_readpage_block()
112 		flush_dcache_page(page[i]);  in squashfs_readpage_block()
113 		SetPageUptodate(page[i]);  in squashfs_readpage_block()
114 		unlock_page(page[i]);  in squashfs_readpage_block()
115 		if (page[i] != target_page)  in squashfs_readpage_block()
116 			put_page(page[i]);  in squashfs_readpage_block()
120 	kfree(page);  in squashfs_readpage_block()
129 		if (page[i] == NULL || page[i] == target_page)  in squashfs_readpage_block()
131 		flush_dcache_page(page[i]);  in squashfs_readpage_block()
132 		SetPageError(page[i]);  in squashfs_readpage_block()
133 		unlock_page(page[i]);  in squashfs_readpage_block()
134 		put_page(page[i]);  in squashfs_readpage_block()
139 	kfree(page);  in squashfs_readpage_block()
144 static int squashfs_read_cache(struct page *target_page, u64 block, int bsize,  in squashfs_read_cache()
145 	int pages, struct page **page, int bytes)  in squashfs_read_cache()  argument
162 		if (page[n] == NULL)  in squashfs_read_cache()
165 		squashfs_fill_page(page[n], buffer, offset, avail);  in squashfs_read_cache()
166 		unlock_page(page[n]);  in squashfs_read_cache()
167 		if (page[n] != target_page)  in squashfs_read_cache()
168 			put_page(page[n]);  in squashfs_read_cache()