From 3a8ebe0b8b616c5f6d72f9a95aa29ccd0b35408f Mon Sep 17 00:00:00 2001 From: Yanhu Cao Date: Mon, 24 Aug 2020 11:00:58 +0800 Subject: [PATCH] ceph: add column 'mds' to show caps in more user friendly In multi-mds, the 'caps' debugfs file will have duplicate ino, add the 'mds' column to indicate which mds session the cap belongs to. Signed-off-by: Yanhu Cao Reviewed-by: Jeff Layton Signed-off-by: Ilya Dryomov --- fs/ceph/debugfs.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/fs/ceph/debugfs.c b/fs/ceph/debugfs.c index 3e3fcda..75b13175 100644 --- a/fs/ceph/debugfs.c +++ b/fs/ceph/debugfs.c @@ -202,7 +202,8 @@ static int caps_show_cb(struct inode *inode, struct ceph_cap *cap, void *p) { struct seq_file *s = p; - seq_printf(s, "0x%-17llx%-17s%-17s\n", ceph_ino(inode), + seq_printf(s, "0x%-17llx%-3d%-17s%-17s\n", ceph_ino(inode), + cap->session->s_mds, ceph_cap_string(cap->issued), ceph_cap_string(cap->implemented)); return 0; @@ -222,8 +223,8 @@ static int caps_show(struct seq_file *s, void *p) "reserved\t%d\n" "min\t\t%d\n\n", total, avail, used, reserved, min); - seq_printf(s, "ino issued implemented\n"); - seq_printf(s, "-----------------------------------------------\n"); + seq_printf(s, "ino mds issued implemented\n"); + seq_printf(s, "--------------------------------------------------\n"); mutex_lock(&mdsc->mutex); for (i = 0; i < mdsc->max_sessions; i++) { -- 2.7.4