23 static int squashfs_read_cache(struct page *target_page, u64 block, int bsize,
24 	int pages, struct page **page);
27 int squashfs_readpage_block(struct page *target_page, u64 block, int bsize)  in squashfs_readpage_block()
38 	struct page **page;  in squashfs_readpage_block()  local
47 	page = kmalloc_array(pages, sizeof(void *), GFP_KERNEL);  in squashfs_readpage_block()
48 	if (page == NULL)  in squashfs_readpage_block()
55 	actor = squashfs_page_actor_init_special(page, pages, 0);  in squashfs_readpage_block()
61 		page[i] = (n == target_page->index) ? target_page :  in squashfs_readpage_block()
64 		if (page[i] == NULL) {  in squashfs_readpage_block()
69 		if (PageUptodate(page[i])) {  in squashfs_readpage_block()
70 			unlock_page(page[i]);  in squashfs_readpage_block()
71 			page_cache_release(page[i]);  in squashfs_readpage_block()
72 			page[i] = NULL;  in squashfs_readpage_block()
86 								page);  in squashfs_readpage_block()
101 		pageaddr = kmap_atomic(page[pages - 1]);  in squashfs_readpage_block()
108 		flush_dcache_page(page[i]);  in squashfs_readpage_block()
109 		SetPageUptodate(page[i]);  in squashfs_readpage_block()
110 		unlock_page(page[i]);  in squashfs_readpage_block()
111 		if (page[i] != target_page)  in squashfs_readpage_block()
112 			page_cache_release(page[i]);  in squashfs_readpage_block()
116 	kfree(page);  in squashfs_readpage_block()
125 		if (page[i] == NULL || page[i] == target_page)  in squashfs_readpage_block()
127 		flush_dcache_page(page[i]);  in squashfs_readpage_block()
128 		SetPageError(page[i]);  in squashfs_readpage_block()
129 		unlock_page(page[i]);  in squashfs_readpage_block()
130 		page_cache_release(page[i]);  in squashfs_readpage_block()
135 	kfree(page);  in squashfs_readpage_block()
140 static int squashfs_read_cache(struct page *target_page, u64 block, int bsize,  in squashfs_read_cache()
141 	int pages, struct page **page)  in squashfs_read_cache()  argument
159 		if (page[n] == NULL)  in squashfs_read_cache()
162 		pageaddr = kmap_atomic(page[n]);  in squashfs_read_cache()
166 		flush_dcache_page(page[n]);  in squashfs_read_cache()
167 		SetPageUptodate(page[n]);  in squashfs_read_cache()
168 		unlock_page(page[n]);  in squashfs_read_cache()
169 		if (page[n] != target_page)  in squashfs_read_cache()
170 			page_cache_release(page[n]);  in squashfs_read_cache()