On Mon, Apr 24, 2017 at 09:22:45AM -0400, Jeff Layton wrote: > In order to get proper error codes from fsync, we must set an error in > the mapping range when writeback fails. > > Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx> Works fine in some error injection testing. Tested-by: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx> > --- > fs/dax.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/fs/dax.c b/fs/dax.c > index 85abd741253d..9b6b04030c3f 100644 > --- a/fs/dax.c > +++ b/fs/dax.c > @@ -901,8 +901,10 @@ int dax_writeback_mapping_range(struct address_space *mapping, > > ret = dax_writeback_one(bdev, mapping, indices[i], > pvec.pages[i]); > - if (ret < 0) > + if (ret < 0) { > + mapping_set_error(mapping, ret); > return ret; > + } > } > } > return 0; > -- > 2.9.3 > -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>