Add failfast support.

[thirdparty/mdadm.git] / super0.c

diff --git a/super0.c b/super0.c
index 55ebd8bc78778457ee23354dc05fca56dd781a73..938cfd95fa25ed2fb76f723bd1b18251df95b110 100644 (file)
--- a/super0.c
+++ b/super0.c
@@ -232,14 +232,15 @@ static void examine_super0(struct supertype *st, char *homehost)
                mdp_disk_t *dp;
                char *dv;
                char nb[5];
-               int wonly;
+               int wonly, failfast;
                if (d>=0) dp = &sb->disks[d];
                else dp = &sb->this_disk;
                snprintf(nb, sizeof(nb), "%4d", d);
                printf("%4s %5d   %5d    %5d    %5d     ", d < 0 ? "this" : nb,
                       dp->number, dp->major, dp->minor, dp->raid_disk);
                wonly = dp->state & (1 << MD_DISK_WRITEMOSTLY);
-               dp->state &= ~(1 << MD_DISK_WRITEMOSTLY);
+               failfast = dp->state & (1<<MD_DISK_FAILFAST);
+               dp->state &= ~(wonly | failfast);
                if (dp->state & (1 << MD_DISK_FAULTY))
                        printf(" faulty");
                if (dp->state & (1 << MD_DISK_ACTIVE))
@@ -250,6 +251,8 @@ static void examine_super0(struct supertype *st, char *homehost)
                        printf(" removed");
                if (wonly)
                        printf(" write-mostly");
+               if (failfast)
+                       printf(" failfast");
                if (dp->state == 0)
                        printf(" spare");
                if ((dv = map_dev(dp->major, dp->minor, 0)))
@@ -581,7 +584,8 @@ static int update_super0(struct supertype *st, struct mdinfo *info,
        } else if (strcmp(update, "assemble")==0) {
                int d = info->disk.number;
                int wonly = sb->disks[d].state & (1<<MD_DISK_WRITEMOSTLY);
-               int mask = (1<<MD_DISK_WRITEMOSTLY);
+               int failfast = sb->disks[d].state & (1<<MD_DISK_FAILFAST);
+               int mask = (1<<MD_DISK_WRITEMOSTLY)|(1<<MD_DISK_FAILFAST);
                int add = 0;
                if (sb->minor_version >= 91)
                        /* During reshape we don't insist on everything
@@ -590,7 +594,7 @@ static int update_super0(struct supertype *st, struct mdinfo *info,
                        add = (1<<MD_DISK_SYNC);
                if (((sb->disks[d].state & ~mask) | add)
                    != (unsigned)info->disk.state) {
-                       sb->disks[d].state = info->disk.state | wonly;
+                       sb->disks[d].state = info->disk.state | wonly |failfast;
                        rv = 1;
                }
                if (info->reshape_active &&