b=18539

[fs/lustre-release.git] / lustre / obdfilter / lproc_obdfilter.c

diff --git a/lustre/obdfilter/lproc_obdfilter.c b/lustre/obdfilter/lproc_obdfilter.c
index bcc46ec..fdd0eba 100644 (file)
--- a/lustre/obdfilter/lproc_obdfilter.c
+++ b/lustre/obdfilter/lproc_obdfilter.c
@@ -341,6 +341,30 @@ static int lprocfs_filter_rd_mds_sync(char *page, char **start, off_t off,
         return snprintf(page, count, "%u\n", obd->u.filter.fo_mds_ost_sync);
 }
 
+int lprocfs_filter_rd_degraded(char *page, char **start, off_t off,
+                               int count, int *eof, void *data)
+{
+        struct obd_device *obd = data;
+
+        return snprintf(page, count, "%u\n", obd->u.filter.fo_raid_degraded);
+}
+
+int lprocfs_filter_wr_degraded(struct file *file, const char *buffer,
+                               unsigned long count, void *data)
+{
+        struct obd_device *obd = data;
+        int val, rc;
+
+        rc = lprocfs_write_helper(buffer, count, &val);
+        if (rc)
+                return rc;
+
+        spin_lock(&obd->obd_osfs_lock);
+        obd->u.filter.fo_raid_degraded = !!val;
+        spin_unlock(&obd->obd_osfs_lock);
+        return count;
+}
+
 static struct lprocfs_vars lprocfs_filter_obd_vars[] = {
         { "uuid",         lprocfs_rd_uuid,          0, 0 },
         { "blocksize",    lprocfs_rd_blksize,       0, 0 },
@@ -383,6 +407,8 @@ static struct lprocfs_vars lprocfs_filter_obd_vars[] = {
         { "writethrough_cache_enable", lprocfs_filter_rd_wcache,
                           lprocfs_filter_wr_wcache, 0},
         { "mds_sync",     lprocfs_filter_rd_mds_sync, 0, 0},
+        { "degraded",     lprocfs_filter_rd_degraded,
+                          lprocfs_filter_wr_degraded, 0 },
         { 0 }
 };