xfstests: allow override of XFS_IOC_DIOINFO

[xfstests-dev.git] / ltp / doio.c

diff --git a/ltp/doio.c b/ltp/doio.c
index 0f778630eb3ebffbf96f72a3ae616661327a2f97..966cff1d75dc85fda695ca2f7c78ccc1fb293dab 100644 (file)
--- a/ltp/doio.c
+++ b/ltp/doio.c
@@ -1471,6 +1471,7 @@ fmt_ioreq(struct io_req *ioreq, struct syscall_info *sy, int fd)
                      (io->r_uflags & F_WORD_ALIGNED) ? "aligned" : "unaligned");
 
        if(io->r_oflags & O_DIRECT) {
+               char            *dio_env;
                struct dioattr  finfo;
                
                if(xfsctl(io->r_file, fd, XFS_IOC_DIOINFO, &finfo) == -1) {
@@ -1481,6 +1482,10 @@ fmt_ioreq(struct io_req *ioreq, struct syscall_info *sy, int fd)
                        finfo.d_maxiosz = 1;
                }
 
+               dio_env = getenv("XFS_DIO_MIN");
+               if (dio_env)
+                       finfo.d_mem = finfo.d_miniosz = atoi(dio_env);
+
                cp += sprintf(cp, "          DIRECT I/O: offset %% %d = %d length %% %d = %d\n",
                              finfo.d_miniosz,
                              io->r_offset % finfo.d_miniosz,
@@ -2774,11 +2779,18 @@ int     oflags;
        free_slot->c_rtc = Reqno;
 
        if (oflags & O_DIRECT) {
+               char *dio_env;
+
                if (xfsctl(file, fd, XFS_IOC_DIOINFO, &finfo) == -1) {
                        finfo.d_mem = 1;
                        finfo.d_miniosz = 1;
                        finfo.d_maxiosz = 1;
                }
+
+               dio_env = getenv("XFS_DIO_MIN");
+               if (dio_env)
+                       finfo.d_mem = finfo.d_miniosz = atoi(dio_env);
+
        } else {
                finfo.d_mem = 1;
                finfo.d_miniosz = 1;