LU-921 llite: warning in case of discarding dirty pages

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

diff --git a/lustre/llite/vvp_page.c b/lustre/llite/vvp_page.c
index c07cb29..ffb4464 100644 (file)
--- a/lustre/llite/vvp_page.c
+++ b/lustre/llite/vvp_page.c
@@ -245,15 +245,24 @@ static int vvp_page_prep_write(const struct lu_env *env,
  */
 static void vvp_vmpage_error(struct inode *inode, cfs_page_t *vmpage, int ioret)
 {
-        if (ioret == 0)
-                ClearPageError(vmpage);
-        else if (ioret != -EINTR) {
-                SetPageError(vmpage);
-                if (ioret == -ENOSPC)
-                        set_bit(AS_ENOSPC, &inode->i_mapping->flags);
-                else
-                        set_bit(AS_EIO, &inode->i_mapping->flags);
-        }
+       struct ccc_object *obj = cl_inode2ccc(inode);
+
+       if (ioret == 0) {
+               ClearPageError(vmpage);
+               obj->cob_discard_page_warned = 0;
+       } else {
+               SetPageError(vmpage);
+               if (ioret == -ENOSPC)
+                       set_bit(AS_ENOSPC, &inode->i_mapping->flags);
+               else
+                       set_bit(AS_EIO, &inode->i_mapping->flags);
+
+               if ((ioret == -ESHUTDOWN || ioret == -EINTR) &&
+                    obj->cob_discard_page_warned == 0) {
+                       obj->cob_discard_page_warned = 1;
+                       ll_dirty_page_discard_warn(vmpage, ioret);
+               }
+       }
 }
 
 static void vvp_page_completion_read(const struct lu_env *env,