diff options
| -rw-r--r-- | fs/romfs/super.c | 22 |
1 files changed, 6 insertions, 16 deletions
diff --git a/fs/romfs/super.c b/fs/romfs/super.c index 2cbb92462074..68758b6fed94 100644 --- a/fs/romfs/super.c +++ b/fs/romfs/super.c @@ -101,19 +101,15 @@ static struct inode *romfs_iget(struct super_block *sb, unsigned long pos); */ static int romfs_read_folio(struct file *file, struct folio *folio) { - struct page *page = &folio->page; - struct inode *inode = page->mapping->host; + struct inode *inode = folio->mapping->host; loff_t offset, size; unsigned long fillsize, pos; void *buf; int ret; - buf = kmap(page); - if (!buf) - return -ENOMEM; + buf = kmap_local_folio(folio, 0); - /* 32 bit warning -- but not for us :) */ - offset = page_offset(page); + offset = folio_pos(folio); size = i_size_read(inode); fillsize = 0; ret = 0; @@ -125,20 +121,14 @@ static int romfs_read_folio(struct file *file, struct folio *folio) ret = romfs_dev_read(inode->i_sb, pos, buf, fillsize); if (ret < 0) { - SetPageError(page); fillsize = 0; ret = -EIO; } } - if (fillsize < PAGE_SIZE) - memset(buf + fillsize, 0, PAGE_SIZE - fillsize); - if (ret == 0) - SetPageUptodate(page); - - flush_dcache_page(page); - kunmap(page); - unlock_page(page); + buf = folio_zero_tail(folio, fillsize, buf); + kunmap_local(buf); + folio_end_read(folio, ret == 0); return ret; } |