diff options
Diffstat (limited to 'drivers/md/md.c')
| -rw-r--r-- | drivers/md/md.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 37400873b879..e58d61d9f31b 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1758,16 +1758,29 @@ md_store_scan(mddev_t *mddev, const char *page, size_t len) return len; } +static ssize_t +md_show_mismatch(mddev_t *mddev, char *page) +{ + return sprintf(page, "%llu\n", + (unsigned long long) mddev->resync_mismatches); +} + static struct md_sysfs_entry md_scan_mode = { .attr = {.name = "scan_mode", .mode = S_IRUGO|S_IWUSR }, .show = md_show_scan, .store = md_store_scan, }; +static struct md_sysfs_entry md_mismatches = { + .attr = {.name = "mismatch_cnt", .mode = S_IRUGO }, + .show = md_show_mismatch, +}; + static struct attribute *md_default_attrs[] = { &md_level.attr, &md_raid_disks.attr, &md_scan_mode.attr, + &md_mismatches.attr, NULL, }; @@ -3888,12 +3901,13 @@ static void md_do_sync(mddev_t *mddev) } } while (mddev->curr_resync < 2); - if (test_bit(MD_RECOVERY_SYNC, &mddev->recovery)) + if (test_bit(MD_RECOVERY_SYNC, &mddev->recovery)) { /* resync follows the size requested by the personality, * which defaults to physical size, but can be virtual size */ max_sectors = mddev->resync_max_sectors; - else + mddev->resync_mismatches = 0; + } else /* recovery follows the physical size of devices */ max_sectors = mddev->size << 1; |