diff options
Diffstat (limited to 'mm/filemap.c')
| -rw-r--r-- | mm/filemap.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index c15cfc28f9ce..96e3d7ffd98e 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2419,7 +2419,10 @@ static int filemap_read_folio(struct file *file, struct address_space *mapping, */ folio_clear_error(folio); /* Start the actual read. The read will unlock the page. */ - error = mapping->a_ops->readpage(file, &folio->page); + if (mapping->a_ops->read_folio) + error = mapping->a_ops->read_folio(file, folio); + else + error = mapping->a_ops->readpage(file, &folio->page); if (error) return error; @@ -3447,7 +3450,7 @@ int generic_file_mmap(struct file *file, struct vm_area_struct *vma) { struct address_space *mapping = file->f_mapping; - if (!mapping->a_ops->readpage) + if (!mapping->a_ops->read_folio && !mapping->a_ops->readpage) return -ENOEXEC; file_accessed(file); vma->vm_ops = &generic_file_vm_ops; @@ -3505,6 +3508,8 @@ repeat: filler: if (filler) err = filler(data, &folio->page); + else if (mapping->a_ops->read_folio) + err = mapping->a_ops->read_folio(data, folio); else err = mapping->a_ops->readpage(data, &folio->page); |