LU-12586 lov: one more fix to write_intent end for trunc

[fs/lustre-release.git] / lustre / lov / lov_io.c

diff --git a/lustre/lov/lov_io.c b/lustre/lov/lov_io.c
index ef9e5bb..ce87872 100644 (file)
--- a/lustre/lov/lov_io.c
+++ b/lustre/lov/lov_io.c
@@ -373,11 +373,12 @@ static int lov_io_mirror_init(struct lov_io *lio, struct lov_object *obj,
                        /**
                         * for truncate, we uses [size, EOF) to judge whether
                         * a write intent needs to be send, but we need to
-                        * restore the write extent to [0, size).
+                        * restore the write extent to [0, size], in truncate,
+                        * the byte in the size position is accessed.
                         */
                        io->ci_write_intent.e_start = 0;
                        io->ci_write_intent.e_end =
-                                       io->u.ci_setattr.sa_attr.lvb_size;
+                                       io->u.ci_setattr.sa_attr.lvb_size + 1;
                }
                /* stop cl_io_init() loop */
                RETURN(1);