diff --git a/fs/squashfs/file_direct.c b/fs/squashfs/file_direct.c index 0586e6ba94bf..646d4d421f99 100644 --- a/fs/squashfs/file_direct.c +++ b/fs/squashfs/file_direct.c @@ -23,15 +23,15 @@ int squashfs_readpage_block(struct page *target_page, u64 block, int bsize, int expected) { + struct folio *folio = page_folio(target_page); struct inode *inode = target_page->mapping->host; struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info; - loff_t file_end = (i_size_read(inode) - 1) >> PAGE_SHIFT; int mask = (1 << (msblk->block_log - PAGE_SHIFT)) - 1; - loff_t start_index = target_page->index & ~mask; + loff_t start_index = folio->index & ~mask; loff_t end_index = start_index | mask; int i, n, pages, bytes, res = -ENOMEM; - struct page **page; + struct page **page, *last_page; struct squashfs_page_actor *actor; void *pageaddr; @@ -46,7 +46,7 @@ int squashfs_readpage_block(struct page *target_page, u64 block, int bsize, /* Try to grab all the pages covered by the Squashfs block */ for (i = 0, n = start_index; n <= end_index; n++) { - page[i] = (n == target_page->index) ? target_page : + page[i] = (n == folio->index) ? target_page : grab_cache_page_nowait(target_page->mapping, n); if (page[i] == NULL) @@ -75,7 +75,7 @@ int squashfs_readpage_block(struct page *target_page, u64 block, int bsize, /* Decompress directly into the page cache buffers */ res = squashfs_read_data(inode->i_sb, block, bsize, NULL, actor); - squashfs_page_actor_free(actor); + last_page = squashfs_page_actor_free(actor); if (res < 0) goto mark_errored; @@ -87,8 +87,8 @@ int squashfs_readpage_block(struct page *target_page, u64 block, int bsize, /* Last page (if present) may have trailing bytes not filled */ bytes = res % PAGE_SIZE; - if (page[pages - 1]->index == end_index && bytes) { - pageaddr = kmap_local_page(page[pages - 1]); + if (end_index == file_end && last_page && bytes) { + pageaddr = kmap_local_page(last_page); memset(pageaddr + bytes, 0, PAGE_SIZE - bytes); kunmap_local(pageaddr); }