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Commit 16d36e09 authored by J. Bruce Fields's avatar J. Bruce Fields
Browse files

nfsd: show lock and deleg stateids 



These entries are pretty minimal for now.

Signed-off-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent 78599c42

fs/nfsd/nfs4state.c

+59 −0
Original line number Diff line number Diff line
@@ -2338,12 +2338,66 @@ static int nfs4_show_open(struct seq_file *s, struct nfs4_stid *st) 
	seq_printf(s, ", ");

	nfs4_show_owner(s, oo);

	seq_printf(s, " }\n");

	fput(file);



	return 0;

}



static int nfs4_show_lock(struct seq_file *s, struct nfs4_stid *st)

{

	struct nfs4_ol_stateid *ols;

	struct nfs4_file *nf;

	struct file *file;

	struct nfs4_stateowner *oo;



	ols = openlockstateid(st);

	oo = ols->st_stateowner;

	nf = st->sc_file;

	file = find_any_file(nf);



	seq_printf(s, "- 0x%16phN: { type: lock, ", &st->sc_stateid);



	/*

	 * Note: a lock stateid isn't really the same thing as a lock,

	 * it's the locking state held by one owner on a file, and there

	 * may be multiple (or no) lock ranges associated with it.

	 * (Same for the matter is true of open stateids.)

	 */



	nfs4_show_superblock(s, file);

	/* XXX: open stateid? */

	seq_printf(s, ", ");

	nfs4_show_owner(s, oo);

	seq_printf(s, " }\n");

	fput(file);



	return 0;

}



static int nfs4_show_deleg(struct seq_file *s, struct nfs4_stid *st)

{

	struct nfs4_delegation *ds;

	struct nfs4_file *nf;

	struct file *file;



	ds = delegstateid(st);

	nf = st->sc_file;

	file = nf->fi_deleg_file;



	seq_printf(s, "- 0x%16phN: { type: deleg, ", &st->sc_stateid);



	/* Kinda dead code as long as we only support read delegs: */

	seq_printf(s, "access: %s, ",

		ds->dl_type == NFS4_OPEN_DELEGATE_READ ? "r" : "w");



	/* XXX: lease time, whether it's being recalled. */



	nfs4_show_superblock(s, file);

	seq_printf(s, " }\n");



	return 0;

}



static int states_show(struct seq_file *s, void *v)

{

	struct nfs4_stid *st = v;
@@ -2351,9 +2405,14 @@ static int states_show(struct seq_file *s, void *v) 
	switch (st->sc_type) {

	case NFS4_OPEN_STID:

		return nfs4_show_open(s, st);

	case NFS4_LOCK_STID:

		return nfs4_show_lock(s, st);

	case NFS4_DELEG_STID:

		return nfs4_show_deleg(s, st);

	default:

		return 0; /* XXX: or SEQ_SKIP? */

	}

	/* XXX: copy stateids? */

}



static struct seq_operations states_seq_ops = {