mm: Make default vm_ops provide ->page_mkwrite handler
Make default vm_ops provide ->page_mkwrite handler. Currently it only updates
file's modification times and gets locked page but later it will also handle
filesystem freezing.
BugLink: https://bugs.launchpad.net/bugs/897421
Tested-by: Kamal Mostafa <kamal@canonical.com>
Tested-by: Peter M. Petrakis <peter.petrakis@canonical.com>
Tested-by: Dann Frazier <dann.frazier@canonical.com>
Tested-by: Massimo Morana <massimo.morana@canonical.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/mm/filemap_xip.c b/mm/filemap_xip.c
index 213ca1f..80b34ef 100644
--- a/mm/filemap_xip.c
+++ b/mm/filemap_xip.c
@@ -304,6 +304,7 @@
static const struct vm_operations_struct xip_file_vm_ops = {
.fault = xip_file_fault,
+ .page_mkwrite = filemap_page_mkwrite,
};
int xip_file_mmap(struct file * file, struct vm_area_struct * vma)