staging: lustre: lmv: Correctly generate target_obd

The target_obd debugfs file was not being generated correctly
in cases where nonconsecutive MDT indices were used when
generating a filesystem.

Signed-off-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-8100
Reviewed-on: http://review.whamcloud.com/20336
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Lai Siyao <lai.siyao@intel.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/lustre/lustre/lmv/lproc_lmv.c b/drivers/staging/lustre/lustre/lmv/lproc_lmv.c
index 20bbdfc..14fbc9c 100644 (file)
--- a/drivers/staging/lustre/lustre/lmv/lproc_lmv.c
+++ b/drivers/staging/lustre/lustre/lmv/lproc_lmv.c
@@ -147,7 +147,13 @@ static void *lmv_tgt_seq_start(struct seq_file *p, loff_t *pos)
        struct obd_device       *dev = p->private;
        struct lmv_obd    *lmv = &dev->u.lmv;
 
-       return (*pos >= lmv->desc.ld_tgt_count) ? NULL : lmv->tgts[*pos];
+       while (*pos < lmv->tgts_size) {
+               if (lmv->tgts[*pos])
+                       return lmv->tgts[*pos];
+               ++*pos;
+       }
+
+       return  NULL;
 }
 
 static void lmv_tgt_seq_stop(struct seq_file *p, void *v)
@@ -159,8 +165,15 @@ static void *lmv_tgt_seq_next(struct seq_file *p, void *v, loff_t *pos)
 {
        struct obd_device       *dev = p->private;
        struct lmv_obd    *lmv = &dev->u.lmv;
+
        ++*pos;
-       return (*pos >= lmv->desc.ld_tgt_count) ? NULL : lmv->tgts[*pos];
+       while (*pos < lmv->tgts_size) {
+               if (lmv->tgts[*pos])
+                       return lmv->tgts[*pos];
+               ++*pos;
+       }
+
+       return  NULL;
 }
 
 static int lmv_tgt_seq_show(struct seq_file *p, void *v)