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authorJ. Bruce Fields <bfields@redhat.com>2019-05-10 15:27:50 -0400
committerJ. Bruce Fields <bfields@redhat.com>2019-07-03 17:52:50 -0400
commit16d36e099980d825feb5b851f06d714a6519b85b (patch)
tree952401bbe8c6a9f3e86921387b287ece43e95ee5 /fs/nfsd
parent78599c42ae3c70300a38b0d1271a85bc9f2d704a (diff)
nfsd: show lock and deleg stateids
These entries are pretty minimal for now. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd')
-rw-r--r--fs/nfsd/nfs4state.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index c41b4aa7c8bd..e457bb099d0b 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -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 = {