7eb5b3e3a0
Rename /proc/fs/fscache to "netfs" and make a symlink from fscache to that. Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> cc: Christian Brauner <christian@brauner.io> cc: linux-fsdevel@vger.kernel.org cc: linux-cachefs@redhat.com
60 lines
1.9 KiB
C
60 lines
1.9 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/* Netfs support statistics
|
|
*
|
|
* Copyright (C) 2021 Red Hat, Inc. All Rights Reserved.
|
|
* Written by David Howells (dhowells@redhat.com)
|
|
*/
|
|
|
|
#include <linux/export.h>
|
|
#include <linux/seq_file.h>
|
|
#include "internal.h"
|
|
|
|
atomic_t netfs_n_rh_readahead;
|
|
atomic_t netfs_n_rh_readpage;
|
|
atomic_t netfs_n_rh_rreq;
|
|
atomic_t netfs_n_rh_sreq;
|
|
atomic_t netfs_n_rh_download;
|
|
atomic_t netfs_n_rh_download_done;
|
|
atomic_t netfs_n_rh_download_failed;
|
|
atomic_t netfs_n_rh_download_instead;
|
|
atomic_t netfs_n_rh_read;
|
|
atomic_t netfs_n_rh_read_done;
|
|
atomic_t netfs_n_rh_read_failed;
|
|
atomic_t netfs_n_rh_zero;
|
|
atomic_t netfs_n_rh_short_read;
|
|
atomic_t netfs_n_rh_write;
|
|
atomic_t netfs_n_rh_write_begin;
|
|
atomic_t netfs_n_rh_write_done;
|
|
atomic_t netfs_n_rh_write_failed;
|
|
atomic_t netfs_n_rh_write_zskip;
|
|
|
|
int netfs_stats_show(struct seq_file *m, void *v)
|
|
{
|
|
seq_printf(m, "Netfs : RA=%u RP=%u WB=%u WBZ=%u rr=%u sr=%u\n",
|
|
atomic_read(&netfs_n_rh_readahead),
|
|
atomic_read(&netfs_n_rh_readpage),
|
|
atomic_read(&netfs_n_rh_write_begin),
|
|
atomic_read(&netfs_n_rh_write_zskip),
|
|
atomic_read(&netfs_n_rh_rreq),
|
|
atomic_read(&netfs_n_rh_sreq));
|
|
seq_printf(m, "Netfs : ZR=%u sh=%u sk=%u\n",
|
|
atomic_read(&netfs_n_rh_zero),
|
|
atomic_read(&netfs_n_rh_short_read),
|
|
atomic_read(&netfs_n_rh_write_zskip));
|
|
seq_printf(m, "Netfs : DL=%u ds=%u df=%u di=%u\n",
|
|
atomic_read(&netfs_n_rh_download),
|
|
atomic_read(&netfs_n_rh_download_done),
|
|
atomic_read(&netfs_n_rh_download_failed),
|
|
atomic_read(&netfs_n_rh_download_instead));
|
|
seq_printf(m, "Netfs : RD=%u rs=%u rf=%u\n",
|
|
atomic_read(&netfs_n_rh_read),
|
|
atomic_read(&netfs_n_rh_read_done),
|
|
atomic_read(&netfs_n_rh_read_failed));
|
|
seq_printf(m, "Netfs : WR=%u ws=%u wf=%u\n",
|
|
atomic_read(&netfs_n_rh_write),
|
|
atomic_read(&netfs_n_rh_write_done),
|
|
atomic_read(&netfs_n_rh_write_failed));
|
|
return fscache_stats_show(m);
|
|
}
|
|
EXPORT_SYMBOL(netfs_stats_show);
|