From 8d9c0906acef6c281ead4e353c93d54d08c994c8 Mon Sep 17 00:00:00 2001 From: "Yan, Zheng" Date: Thu, 31 Jan 2019 17:08:40 +0800 Subject: [PATCH] ceph: remove dentry_lru file from debugfs The file shows all dentries in cephfs mount. It's not very useful. Signed-off-by: "Yan, Zheng" Reviewed-by: Jeff Layton Signed-off-by: Ilya Dryomov --- fs/ceph/debugfs.c | 27 --------------------------- 1 file changed, 27 deletions(-) diff --git a/fs/ceph/debugfs.c b/fs/ceph/debugfs.c index abdf98deeec4..98365e74cb4a 100644 --- a/fs/ceph/debugfs.c +++ b/fs/ceph/debugfs.c @@ -139,23 +139,6 @@ static int caps_show(struct seq_file *s, void *p) return 0; } -static int dentry_lru_show(struct seq_file *s, void *ptr) -{ - struct ceph_fs_client *fsc = s->private; - struct ceph_mds_client *mdsc = fsc->mdsc; - struct ceph_dentry_info *di; - - spin_lock(&mdsc->dentry_lru_lock); - list_for_each_entry(di, &mdsc->dentry_lru, lru) { - struct dentry *dentry = di->dentry; - seq_printf(s, "%p %p\t%pd\n", - di, dentry, dentry); - } - spin_unlock(&mdsc->dentry_lru_lock); - - return 0; -} - static int mds_sessions_show(struct seq_file *s, void *ptr) { struct ceph_fs_client *fsc = s->private; @@ -195,7 +178,6 @@ static int mds_sessions_show(struct seq_file *s, void *ptr) CEPH_DEFINE_SHOW_FUNC(mdsmap_show) CEPH_DEFINE_SHOW_FUNC(mdsc_show) CEPH_DEFINE_SHOW_FUNC(caps_show) -CEPH_DEFINE_SHOW_FUNC(dentry_lru_show) CEPH_DEFINE_SHOW_FUNC(mds_sessions_show) @@ -231,7 +213,6 @@ void ceph_fs_debugfs_cleanup(struct ceph_fs_client *fsc) debugfs_remove(fsc->debugfs_mds_sessions); debugfs_remove(fsc->debugfs_caps); debugfs_remove(fsc->debugfs_mdsc); - debugfs_remove(fsc->debugfs_dentry_lru); } int ceph_fs_debugfs_init(struct ceph_fs_client *fsc) @@ -291,14 +272,6 @@ int ceph_fs_debugfs_init(struct ceph_fs_client *fsc) if (!fsc->debugfs_caps) goto out; - fsc->debugfs_dentry_lru = debugfs_create_file("dentry_lru", - 0400, - fsc->client->debugfs_dir, - fsc, - &dentry_lru_show_fops); - if (!fsc->debugfs_dentry_lru) - goto out; - return 0; out: