Hi Jaegeuk, On 2017/10/13 7:15, Jaegeuk Kim wrote: > This patch returns an error number to quota_write in order for quota to handle > it correctly. We should return error number like __generic_file_write_iter, right? it needs to return written bytes if we have written one page or more, otherwise return error number feedbacked from write_begin. So how about reverting 4f31d26b0c17 ("f2fs: return wrong error number on f2fs_quota_write")? Thanks, > > Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx> > --- > fs/f2fs/super.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c > index 2feecf5e7f4c..840a0876005b 100644 > --- a/fs/f2fs/super.c > +++ b/fs/f2fs/super.c > @@ -1397,8 +1397,11 @@ static ssize_t f2fs_quota_write(struct super_block *sb, int type, > > err = a_ops->write_begin(NULL, mapping, off, tocopy, 0, > &page, NULL); > - if (unlikely(err)) > + if (unlikely(err)) { > + if (len == towrite) > + return err; > break; > + } > > kaddr = kmap_atomic(page); > memcpy(kaddr + offset, data, tocopy); >