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nfsd: add session slot count to /proc/fs/nfsd/clients/*/info

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Each client now reports the number of slots allocated in each session.

Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
NeilBrown 2024-12-12 08:47:06 +11:00 committed by Chuck Lever
parent b5fba969a2
commit 601c8cb349
1 changed files with 8 additions and 0 deletions
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8
fs/nfsd/nfs4state.c
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@ -2643,6 +2643,7 @@ static const char *cb_state2str(int state)
static int client_info_show(struct seq_file *m, void *v) static int client_info_show(struct seq_file *m, void *v)
{ {
struct inode *inode = file_inode(m->file); struct inode *inode = file_inode(m->file);
struct nfsd4_session *ses;
struct nfs4_client *clp; struct nfs4_client *clp;
u64 clid; u64 clid;
@ -2679,6 +2680,13 @@ static int client_info_show(struct seq_file *m, void *v)
seq_printf(m, "callback address: \"%pISpc\"\n", &clp->cl_cb_conn.cb_addr); seq_printf(m, "callback address: \"%pISpc\"\n", &clp->cl_cb_conn.cb_addr);
seq_printf(m, "admin-revoked states: %d\n", seq_printf(m, "admin-revoked states: %d\n",
atomic_read(&clp->cl_admin_revoked)); atomic_read(&clp->cl_admin_revoked));
spin_lock(&clp->cl_lock);
seq_printf(m, "session slots:");
list_for_each_entry(ses, &clp->cl_sessions, se_perclnt)
seq_printf(m, " %u", ses->se_fchannel.maxreqs);
spin_unlock(&clp->cl_lock);
seq_puts(m, "\n");
drop_client(clp); drop_client(clp);
return 0; return 0;