diff options
Diffstat (limited to 'fs/drop_caches.c')
| -rw-r--r-- | fs/drop_caches.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/drop_caches.c b/fs/drop_caches.c index 31f4b0e6d72c..9cd4e4a70f56 100644 --- a/fs/drop_caches.c +++ b/fs/drop_caches.c @@ -40,6 +40,8 @@ static void drop_pagecache(void) spin_lock(&sb_lock); restart: list_for_each_entry(sb, &super_blocks, s_list) { + if (list_empty(&sb->s_instances)) + continue; sb->s_count++; spin_unlock(&sb_lock); down_read(&sb->s_umount); |