LU-941 hsm: Manage dirty flag for hsm-archived files

[fs/lustre-release.git] / lustre / llite / llite_mmap.c

diff --git a/lustre/llite/llite_mmap.c b/lustre/llite/llite_mmap.c
index 5fec39a..52c8972 100644 (file)
--- a/lustre/llite/llite_mmap.c
+++ b/lustre/llite/llite_mmap.c
@@ -224,6 +224,9 @@ static int ll_page_mkwrite0(struct vm_area_struct *vma, struct page *vmpage,
                        vma->vm_flags, io->u.ci_fault.ft_index, vmpage);
 
         if (result == 0 || result == -ENODATA) {
+               struct inode *inode = vma->vm_file->f_dentry->d_inode;
+               struct ll_inode_info *lli = ll_i2info(inode);
+
                 lock_page(vmpage);
                 if (vmpage->mapping == NULL) {
                         unlock_page(vmpage);
@@ -261,6 +264,12 @@ static int ll_page_mkwrite0(struct vm_area_struct *vma, struct page *vmpage,
                         *retry = true;
                         result = -EAGAIN;
                 }
+
+               if (result == 0) {
+                       spin_lock(&lli->lli_lock);
+                       lli->lli_flags |= LLIF_DATA_MODIFIED;
+                       spin_unlock(&lli->lli_lock);
+               }
         }
         EXIT;