On Mon, Jan 09, 2023 at 09:42:36AM -0500, Jeff Layton wrote: > On Mon, 2023-01-09 at 05:18 +0000, Matthew Wilcox (Oracle) wrote: > > filemap_write_and_wait() now calls filemap_check_wb_err(), so we cannot > > glean any additional information by calling it ourselves. It may also > > be misleading as it will pick up on any errors since the beginning of > > time which may well be since before this program opened the file. > > > > Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> > > --- > > fs/cifs/file.c | 8 +++----- > > 1 file changed, 3 insertions(+), 5 deletions(-) > > > > diff --git a/fs/cifs/file.c b/fs/cifs/file.c > > index 22dfc1f8b4f1..7e7ee26cf77d 100644 > > --- a/fs/cifs/file.c > > +++ b/fs/cifs/file.c > > @@ -3042,14 +3042,12 @@ int cifs_flush(struct file *file, fl_owner_t id) > > int rc = 0; > > > > if (file->f_mode & FMODE_WRITE) > > - rc = filemap_write_and_wait(inode->i_mapping); > > + rc = filemap_write_and_wait(file->f_mapping); > > If we're calling ->flush, then the file is being closed. Should this > just be? > rc = file_write_and_wait(file); > > It's not like we need to worry about corrupting ->f_wb_err at that > point. Yes, I think you're right, and then this is a standalone patch that can go in this cycle, perhaps.