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ceph: add column 'mds' to show caps in more user friendly

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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 <gmayyyha@gmail.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Yanhu Cao 2020-08-24 11:00:58 +08:00 committed by Ilya Dryomov
parent 3986f9a42e
commit 3a8ebe0b8b
1 changed files with 4 additions and 3 deletions
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7
fs/ceph/debugfs.c
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@ -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++) {