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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /fs/nfs/iostat.h
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/nfs/iostat.h')
-rw-r--r--fs/nfs/iostat.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/fs/nfs/iostat.h b/fs/nfs/iostat.h
new file mode 100644
index 000000000..2ddaab1ac
--- /dev/null
+++ b/fs/nfs/iostat.h
@@ -0,0 +1,77 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * linux/fs/nfs/iostat.h
+ *
+ * Declarations for NFS client per-mount statistics
+ *
+ * Copyright (C) 2005, 2006 Chuck Lever <cel@netapp.com>
+ *
+ */
+
+#ifndef _NFS_IOSTAT
+#define _NFS_IOSTAT
+
+#include <linux/percpu.h>
+#include <linux/cache.h>
+#include <linux/nfs_iostat.h>
+
+struct nfs_iostats {
+ unsigned long long bytes[__NFSIOS_BYTESMAX];
+#ifdef CONFIG_NFS_FSCACHE
+ unsigned long long fscache[__NFSIOS_FSCACHEMAX];
+#endif
+ unsigned long events[__NFSIOS_COUNTSMAX];
+} ____cacheline_aligned;
+
+static inline void nfs_inc_server_stats(const struct nfs_server *server,
+ enum nfs_stat_eventcounters stat)
+{
+ this_cpu_inc(server->io_stats->events[stat]);
+}
+
+static inline void nfs_inc_stats(const struct inode *inode,
+ enum nfs_stat_eventcounters stat)
+{
+ nfs_inc_server_stats(NFS_SERVER(inode), stat);
+}
+
+static inline void nfs_add_server_stats(const struct nfs_server *server,
+ enum nfs_stat_bytecounters stat,
+ long addend)
+{
+ this_cpu_add(server->io_stats->bytes[stat], addend);
+}
+
+static inline void nfs_add_stats(const struct inode *inode,
+ enum nfs_stat_bytecounters stat,
+ long addend)
+{
+ nfs_add_server_stats(NFS_SERVER(inode), stat, addend);
+}
+
+#ifdef CONFIG_NFS_FSCACHE
+static inline void nfs_add_fscache_stats(struct inode *inode,
+ enum nfs_stat_fscachecounters stat,
+ long addend)
+{
+ this_cpu_add(NFS_SERVER(inode)->io_stats->fscache[stat], addend);
+}
+static inline void nfs_inc_fscache_stats(struct inode *inode,
+ enum nfs_stat_fscachecounters stat)
+{
+ this_cpu_inc(NFS_SERVER(inode)->io_stats->fscache[stat]);
+}
+#endif
+
+static inline struct nfs_iostats __percpu *nfs_alloc_iostats(void)
+{
+ return alloc_percpu(struct nfs_iostats);
+}
+
+static inline void nfs_free_iostats(struct nfs_iostats __percpu *stats)
+{
+ if (stats != NULL)
+ free_percpu(stats);
+}
+
+#endif /* _NFS_IOSTAT */