Change the "show" functions to show some content even if a file cannot
be found, and call them for the ADMIN_REVOKED versions of state id.
This use primarily useful for debugging - to ensure states are being
removed eventually.
Signed-off-by: NeilBrown <neilb@xxxxxxx>
---
fs/nfsd/nfs4state.c | 78 ++++++++++++++++++++++-----------------------
1 file changed, 38 insertions(+), 40 deletions(-)
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index f3ba53a16105..e15d35c57991 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -2679,17 +2679,10 @@ static int nfs4_show_open(struct seq_file *s, struct nfs4_stid *st)
struct nfs4_stateowner *oo;
unsigned int access, deny;
- if (st->sc_type != NFS4_OPEN_STID && st->sc_type != NFS4_LOCK_STID)
- return 0; /* XXX: or SEQ_SKIP? */
ols = openlockstateid(st);
oo = ols->st_stateowner;
nf = st->sc_file;
- spin_lock(&nf->fi_lock);
- file = find_any_file_locked(nf);
- if (!file)
- goto out;
-
seq_printf(s, "- ");
nfs4_show_stateid(s, &st->sc_stateid);
seq_printf(s, ": { type: open, ");
@@ -2704,14 +2697,17 @@ static int nfs4_show_open(struct seq_file *s, struct nfs4_stid *st)
deny & NFS4_SHARE_ACCESS_READ ? "r" : "-",
deny & NFS4_SHARE_ACCESS_WRITE ? "w" : "-");
- nfs4_show_superblock(s, file);
- seq_printf(s, ", ");
- nfs4_show_fname(s, file);
- seq_printf(s, ", ");
+ spin_lock(&nf->fi_lock);
+ file = find_any_file_locked(nf);
+ if (file) {
+ nfs4_show_superblock(s, file);
+ seq_puts(s, ", ");
+ nfs4_show_fname(s, file);
+ seq_puts(s, ", ");
+ }
+ spin_unlock(&nf->fi_lock);
nfs4_show_owner(s, oo);
seq_printf(s, " }\n");
-out:
- spin_unlock(&nf->fi_lock);
return 0;
}
@@ -2725,30 +2721,29 @@ static int nfs4_show_lock(struct seq_file *s, struct nfs4_stid *st)
ols = openlockstateid(st);
oo = ols->st_stateowner;
nf = st->sc_file;
- spin_lock(&nf->fi_lock);
- file = find_any_file_locked(nf);
- if (!file)
- goto out;
seq_printf(s, "- ");
nfs4_show_stateid(s, &st->sc_stateid);
seq_printf(s, ": { type: lock, ");
- /*
- * 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.)
- */
+ spin_lock(&nf->fi_lock);
+ file = find_any_file_locked(nf);
+ if (file) {
+ /*
+ * 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_fname(s, file);
- seq_printf(s, ", ");
+ nfs4_show_superblock(s, file);
+ /* XXX: open stateid? */
+ seq_puts(s, ", ");
+ nfs4_show_fname(s, file);
+ seq_puts(s, ", ");
+ }
nfs4_show_owner(s, oo);
seq_printf(s, " }\n");
-out:
spin_unlock(&nf->fi_lock);
return 0;
}
@@ -2761,27 +2756,27 @@ static int nfs4_show_deleg(struct seq_file *s, struct nfs4_stid *st)
ds = delegstateid(st);
nf = st->sc_file;
- spin_lock(&nf->fi_lock);
- file = nf->fi_deleg_file;
- if (!file)
- goto out;
seq_printf(s, "- ");
nfs4_show_stateid(s, &st->sc_stateid);
seq_printf(s, ": { type: deleg, ");
/* 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");
+ 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, ", ");
- nfs4_show_fname(s, file);
- seq_printf(s, " }\n");
-out:
+ spin_lock(&nf->fi_lock);
+ file = nf->fi_deleg_file;
+ if (file) {
+ seq_puts(s, ", ");
+ nfs4_show_superblock(s, file);
+ seq_puts(s, ", ");
+ nfs4_show_fname(s, file);
+ }
spin_unlock(&nf->fi_lock);
+ seq_puts(s, " }\n");
return 0;
}
@@ -2813,10 +2808,13 @@ static int states_show(struct seq_file *s, void *v)
switch (st->sc_type) {
case NFS4_OPEN_STID:
+ case NFS4_ADMIN_REVOKED_STID:
return nfs4_show_open(s, st);
case NFS4_LOCK_STID:
+ case NFS4_ADMIN_REVOKED_LOCK_STID:
return nfs4_show_lock(s, st);
case NFS4_DELEG_STID:
+ case NFS4_ADMIN_REVOKED_DELEG_STID:
return nfs4_show_deleg(s, st);
case NFS4_LAYOUT_STID:
return nfs4_show_layout(s, st);
--
2.42.0
