LU-6163 kernel: use do_div64() for 64 bit divides

[fs/lustre-release.git] / lustre / obdclass / llog.c

diff --git a/lustre/obdclass/llog.c b/lustre/obdclass/llog.c
index 68ee8fa..971c643 100644 (file)
--- a/lustre/obdclass/llog.c
+++ b/lustre/obdclass/llog.c
@@ -422,7 +422,7 @@ static int llog_process_thread(void *arg)
        struct llog_process_cat_data    *cd  = lpi->lpi_catdata;
        char                            *buf;
        size_t                           chunk_size;
-       __u64                            cur_offset;
+       __u64                            cur_offset, tmp_offset;
        int                              rc = 0, index = 1, last_index;
        int                              saved_index = 0;
        int                              last_called_index = 0;
@@ -482,7 +482,8 @@ repeat:
                 * The absolute offset of the current chunk is calculated
                 * from cur_offset value and stored in chunk_offset variable.
                 */
-               if (cur_offset % chunk_size != 0) {
+               tmp_offset = cur_offset;
+               if (do_div(tmp_offset, chunk_size) != 0) {
                        partial_chunk = true;
                        chunk_offset = cur_offset & ~(chunk_size - 1);
                } else {