LU-11069 llite: correct file position after appending writes

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

diff --git a/lustre/llite/file.c b/lustre/llite/file.c
index 2d062d5..1fefb8f 100644 (file)
--- a/lustre/llite/file.c
+++ b/lustre/llite/file.c
@@ -1292,7 +1292,13 @@ restart:
 
                if (args->via_io_subtype == IO_NORMAL) {
                        iov_iter_advance(args->u.normal.via_iter, io->ci_nob);
-                       pos += io->ci_nob;
+
+                       /* CLIO is too complicated. See LU-11069. */
+                       if (cl_io_is_append(io))
+                               pos = io->u.ci_rw.rw_iocb.ki_pos;
+                       else
+                               pos += io->ci_nob;
+
                        args->u.normal.via_iocb->ki_pos = pos;
 #ifdef HAVE_KIOCB_KI_LEFT
                        args->u.normal.via_iocb->ki_left = count;