LU-4423 lustre: convert rsi_sem to a spinlock.

[fs/lustre-release.git] / lustre / llite / lproc_llite.c

diff --git a/lustre/llite/lproc_llite.c b/lustre/llite/lproc_llite.c
index 8728cc7..bf43681 100644 (file)
--- a/lustre/llite/lproc_llite.c
+++ b/lustre/llite/lproc_llite.c
@@ -1387,7 +1387,7 @@ static int ll_nosquash_nids_seq_show(struct seq_file *m, void *v)
        struct root_squash_info *squash = &sbi->ll_squash;
        int len;
 
-       down_read(&squash->rsi_sem);
+       spin_lock(&squash->rsi_lock);
        if (!list_empty(&squash->rsi_nosquash_nids)) {
                len = cfs_print_nidlist(m->buf + m->count, m->size - m->count,
                                        &squash->rsi_nosquash_nids);
@@ -1396,7 +1396,7 @@ static int ll_nosquash_nids_seq_show(struct seq_file *m, void *v)
        } else {
                seq_puts(m, "NONE\n");
        }
-       up_read(&squash->rsi_sem);
+       spin_unlock(&squash->rsi_lock);
 
        return 0;
 }