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-rw-r--r--fs/nfsd/cache.h2
-rw-r--r--fs/nfsd/netns.h17
-rw-r--r--fs/nfsd/nfs4proc.c6
-rw-r--r--fs/nfsd/nfs4state.c3
-rw-r--r--fs/nfsd/nfscache.c36
-rw-r--r--fs/nfsd/nfsctl.c12
-rw-r--r--fs/nfsd/nfsfh.c3
-rw-r--r--fs/nfsd/stats.c26
-rw-r--r--fs/nfsd/stats.h54
-rw-r--r--fs/nfsd/vfs.c6
10 files changed, 69 insertions, 96 deletions
diff --git a/fs/nfsd/cache.h b/fs/nfsd/cache.h
index 4cbe0434cbb8..66a05fefae98 100644
--- a/fs/nfsd/cache.h
+++ b/fs/nfsd/cache.h
@@ -80,8 +80,6 @@ enum {
int nfsd_drc_slab_create(void);
void nfsd_drc_slab_free(void);
-int nfsd_net_reply_cache_init(struct nfsd_net *nn);
-void nfsd_net_reply_cache_destroy(struct nfsd_net *nn);
int nfsd_reply_cache_init(struct nfsd_net *);
void nfsd_reply_cache_shutdown(struct nfsd_net *);
int nfsd_cache_lookup(struct svc_rqst *rqstp, unsigned int start,
diff --git a/fs/nfsd/netns.h b/fs/nfsd/netns.h
index e3605cb5f044..0cef4bb407a9 100644
--- a/fs/nfsd/netns.h
+++ b/fs/nfsd/netns.h
@@ -11,6 +11,7 @@
#include <net/net_namespace.h>
#include <net/netns/generic.h>
#include <linux/filelock.h>
+#include <linux/nfs4.h>
#include <linux/percpu_counter.h>
#include <linux/siphash.h>
@@ -29,7 +30,19 @@ enum {
NFSD_STATS_PAYLOAD_MISSES,
/* amount of memory (in bytes) currently consumed by the DRC */
NFSD_STATS_DRC_MEM_USAGE,
- NFSD_NET_COUNTERS_NUM
+ NFSD_STATS_RC_HITS, /* repcache hits */
+ NFSD_STATS_RC_MISSES, /* repcache misses */
+ NFSD_STATS_RC_NOCACHE, /* uncached reqs */
+ NFSD_STATS_FH_STALE, /* FH stale error */
+ NFSD_STATS_IO_READ, /* bytes returned to read requests */
+ NFSD_STATS_IO_WRITE, /* bytes passed in write requests */
+#ifdef CONFIG_NFSD_V4
+ NFSD_STATS_FIRST_NFS4_OP, /* count of individual nfsv4 operations */
+ NFSD_STATS_LAST_NFS4_OP = NFSD_STATS_FIRST_NFS4_OP + LAST_NFS4_OP,
+#define NFSD_STATS_NFS4_OP(op) (NFSD_STATS_FIRST_NFS4_OP + (op))
+ NFSD_STATS_WDELEG_GETATTR, /* count of getattr conflict with wdeleg */
+#endif
+ NFSD_STATS_COUNTERS_NUM
};
/*
@@ -164,7 +177,7 @@ struct nfsd_net {
atomic_t num_drc_entries;
/* Per-netns stats counters */
- struct percpu_counter counter[NFSD_NET_COUNTERS_NUM];
+ struct percpu_counter counter[NFSD_STATS_COUNTERS_NUM];
/* longest hash chain seen */
unsigned int longest_chain;
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 14712fa08f76..648ff427005e 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -2490,10 +2490,10 @@ nfsd4_proc_null(struct svc_rqst *rqstp)
return rpc_success;
}
-static inline void nfsd4_increment_op_stats(u32 opnum)
+static inline void nfsd4_increment_op_stats(struct nfsd_net *nn, u32 opnum)
{
if (opnum >= FIRST_NFS4_OP && opnum <= LAST_NFS4_OP)
- percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_NFS4_OP(opnum)]);
+ percpu_counter_inc(&nn->counter[NFSD_STATS_NFS4_OP(opnum)]);
}
static const struct nfsd4_operation nfsd4_ops[];
@@ -2768,7 +2768,7 @@ encode_op:
status, nfsd4_op_name(op->opnum));
nfsd4_cstate_clear_replay(cstate);
- nfsd4_increment_op_stats(op->opnum);
+ nfsd4_increment_op_stats(nn, op->opnum);
}
fh_put(current_fh);
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 7d6c657e0409..0ff7f83ac6c8 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -8450,6 +8450,7 @@ __be32
nfsd4_deleg_getattr_conflict(struct svc_rqst *rqstp, struct inode *inode)
{
__be32 status;
+ struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);
struct file_lock_context *ctx;
struct file_lock *fl;
struct nfs4_delegation *dp;
@@ -8479,7 +8480,7 @@ nfsd4_deleg_getattr_conflict(struct svc_rqst *rqstp, struct inode *inode)
}
break_lease:
spin_unlock(&ctx->flc_lock);
- nfsd_stats_wdeleg_getattr_inc();
+ nfsd_stats_wdeleg_getattr_inc(nn);
status = nfserrno(nfsd_open_break_lease(inode, NFSD_MAY_READ));
if (status != nfserr_jukebox ||
!nfsd_wait_for_delegreturn(rqstp, inode))
diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c
index 3d4a9d181c43..cfcc6ac8f255 100644
--- a/fs/nfsd/nfscache.c
+++ b/fs/nfsd/nfscache.c
@@ -176,27 +176,6 @@ void nfsd_drc_slab_free(void)
kmem_cache_destroy(drc_slab);
}
-/**
- * nfsd_net_reply_cache_init - per net namespace reply cache set-up
- * @nn: nfsd_net being initialized
- *
- * Returns zero on succes; otherwise a negative errno is returned.
- */
-int nfsd_net_reply_cache_init(struct nfsd_net *nn)
-{
- return nfsd_percpu_counters_init(nn->counter, NFSD_NET_COUNTERS_NUM);
-}
-
-/**
- * nfsd_net_reply_cache_destroy - per net namespace reply cache tear-down
- * @nn: nfsd_net being freed
- *
- */
-void nfsd_net_reply_cache_destroy(struct nfsd_net *nn)
-{
- nfsd_percpu_counters_destroy(nn->counter, NFSD_NET_COUNTERS_NUM);
-}
-
int nfsd_reply_cache_init(struct nfsd_net *nn)
{
unsigned int hashsize;
@@ -501,7 +480,7 @@ out:
int nfsd_cache_lookup(struct svc_rqst *rqstp, unsigned int start,
unsigned int len, struct nfsd_cacherep **cacherep)
{
- struct nfsd_net *nn;
+ struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);
struct nfsd_cacherep *rp, *found;
__wsum csum;
struct nfsd_drc_bucket *b;
@@ -510,7 +489,7 @@ int nfsd_cache_lookup(struct svc_rqst *rqstp, unsigned int start,
int rtn = RC_DOIT;
if (type == RC_NOCACHE) {
- nfsd_stats_rc_nocache_inc();
+ nfsd_stats_rc_nocache_inc(nn);
goto out;
}
@@ -520,7 +499,6 @@ int nfsd_cache_lookup(struct svc_rqst *rqstp, unsigned int start,
* Since the common case is a cache miss followed by an insert,
* preallocate an entry.
*/
- nn = net_generic(SVC_NET(rqstp), nfsd_net_id);
rp = nfsd_cacherep_alloc(rqstp, csum, nn);
if (!rp)
goto out;
@@ -537,7 +515,7 @@ int nfsd_cache_lookup(struct svc_rqst *rqstp, unsigned int start,
nfsd_cacherep_dispose(&dispose);
- nfsd_stats_rc_misses_inc();
+ nfsd_stats_rc_misses_inc(nn);
atomic_inc(&nn->num_drc_entries);
nfsd_stats_drc_mem_usage_add(nn, sizeof(*rp));
goto out;
@@ -545,7 +523,7 @@ int nfsd_cache_lookup(struct svc_rqst *rqstp, unsigned int start,
found_entry:
/* We found a matching entry which is either in progress or done. */
nfsd_reply_cache_free_locked(NULL, rp, nn);
- nfsd_stats_rc_hits_inc();
+ nfsd_stats_rc_hits_inc(nn);
rtn = RC_DROPIT;
rp = found;
@@ -689,11 +667,11 @@ int nfsd_reply_cache_stats_show(struct seq_file *m, void *v)
seq_printf(m, "mem usage: %lld\n",
percpu_counter_sum_positive(&nn->counter[NFSD_STATS_DRC_MEM_USAGE]));
seq_printf(m, "cache hits: %lld\n",
- percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_RC_HITS]));
+ percpu_counter_sum_positive(&nn->counter[NFSD_STATS_RC_HITS]));
seq_printf(m, "cache misses: %lld\n",
- percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_RC_MISSES]));
+ percpu_counter_sum_positive(&nn->counter[NFSD_STATS_RC_MISSES]));
seq_printf(m, "not cached: %lld\n",
- percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_RC_NOCACHE]));
+ percpu_counter_sum_positive(&nn->counter[NFSD_STATS_RC_NOCACHE]));
seq_printf(m, "payload misses: %lld\n",
percpu_counter_sum_positive(&nn->counter[NFSD_STATS_PAYLOAD_MISSES]));
seq_printf(m, "longest chain len: %u\n", nn->longest_chain);
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index b57480b50e35..ea3c8114245c 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -1671,7 +1671,7 @@ static __net_init int nfsd_net_init(struct net *net)
retval = nfsd_idmap_init(net);
if (retval)
goto out_idmap_error;
- retval = nfsd_net_reply_cache_init(nn);
+ retval = nfsd_stat_counters_init(nn);
if (retval)
goto out_repcache_error;
nn->nfsd_versions = NULL;
@@ -1701,7 +1701,7 @@ static __net_exit void nfsd_net_exit(struct net *net)
struct nfsd_net *nn = net_generic(net, nfsd_net_id);
nfsd_proc_stat_shutdown(net);
- nfsd_net_reply_cache_destroy(nn);
+ nfsd_stat_counters_destroy(nn);
nfsd_idmap_shutdown(net);
nfsd_export_shutdown(net);
nfsd_netns_free_versions(nn);
@@ -1724,12 +1724,9 @@ static int __init init_nfsd(void)
retval = nfsd4_init_pnfs();
if (retval)
goto out_free_slabs;
- retval = nfsd_stat_counters_init(); /* Statistics */
- if (retval)
- goto out_free_pnfs;
retval = nfsd_drc_slab_create();
if (retval)
- goto out_free_stat;
+ goto out_free_pnfs;
nfsd_lockd_init(); /* lockd->nfsd callbacks */
retval = create_proc_exports_entry();
if (retval)
@@ -1763,8 +1760,6 @@ out_free_exports:
out_free_lockd:
nfsd_lockd_shutdown();
nfsd_drc_slab_free();
-out_free_stat:
- nfsd_stat_counters_destroy();
out_free_pnfs:
nfsd4_exit_pnfs();
out_free_slabs:
@@ -1782,7 +1777,6 @@ static void __exit exit_nfsd(void)
nfsd_drc_slab_free();
remove_proc_entry("fs/nfs/exports", NULL);
remove_proc_entry("fs/nfs", NULL);
- nfsd_stat_counters_destroy();
nfsd_lockd_shutdown();
nfsd4_free_slabs();
nfsd4_exit_pnfs();
diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c
index dbfa0ac13564..40fecf7b224f 100644
--- a/fs/nfsd/nfsfh.c
+++ b/fs/nfsd/nfsfh.c
@@ -327,6 +327,7 @@ out:
__be32
fh_verify(struct svc_rqst *rqstp, struct svc_fh *fhp, umode_t type, int access)
{
+ struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);
struct svc_export *exp = NULL;
struct dentry *dentry;
__be32 error;
@@ -395,7 +396,7 @@ skip_pseudoflavor_check:
out:
trace_nfsd_fh_verify_err(rqstp, fhp, type, access, error);
if (error == nfserr_stale)
- nfsd_stats_fh_stale_inc(exp);
+ nfsd_stats_fh_stale_inc(nn, exp);
return error;
}
diff --git a/fs/nfsd/stats.c b/fs/nfsd/stats.c
index 394a65a33942..44e275324b06 100644
--- a/fs/nfsd/stats.c
+++ b/fs/nfsd/stats.c
@@ -34,15 +34,17 @@ struct svc_stat nfsd_svcstats = {
static int nfsd_show(struct seq_file *seq, void *v)
{
+ struct net *net = pde_data(file_inode(seq->file));
+ struct nfsd_net *nn = net_generic(net, nfsd_net_id);
int i;
seq_printf(seq, "rc %lld %lld %lld\nfh %lld 0 0 0 0\nio %lld %lld\n",
- percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_RC_HITS]),
- percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_RC_MISSES]),
- percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_RC_NOCACHE]),
- percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_FH_STALE]),
- percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_IO_READ]),
- percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_IO_WRITE]));
+ percpu_counter_sum_positive(&nn->counter[NFSD_STATS_RC_HITS]),
+ percpu_counter_sum_positive(&nn->counter[NFSD_STATS_RC_MISSES]),
+ percpu_counter_sum_positive(&nn->counter[NFSD_STATS_RC_NOCACHE]),
+ percpu_counter_sum_positive(&nn->counter[NFSD_STATS_FH_STALE]),
+ percpu_counter_sum_positive(&nn->counter[NFSD_STATS_IO_READ]),
+ percpu_counter_sum_positive(&nn->counter[NFSD_STATS_IO_WRITE]));
/* thread usage: */
seq_printf(seq, "th %u 0", atomic_read(&nfsdstats.th_cnt));
@@ -63,10 +65,10 @@ static int nfsd_show(struct seq_file *seq, void *v)
seq_printf(seq, "proc4ops %u", LAST_NFS4_OP + 1);
for (i = 0; i <= LAST_NFS4_OP; i++) {
seq_printf(seq, " %lld",
- percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_NFS4_OP(i)]));
+ percpu_counter_sum_positive(&nn->counter[NFSD_STATS_NFS4_OP(i)]));
}
seq_printf(seq, "\nwdeleg_getattr %lld",
- percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_WDELEG_GETATTR]));
+ percpu_counter_sum_positive(&nn->counter[NFSD_STATS_WDELEG_GETATTR]));
seq_putc(seq, '\n');
#endif
@@ -108,14 +110,14 @@ void nfsd_percpu_counters_destroy(struct percpu_counter counters[], int num)
percpu_counter_destroy(&counters[i]);
}
-int nfsd_stat_counters_init(void)
+int nfsd_stat_counters_init(struct nfsd_net *nn)
{
- return nfsd_percpu_counters_init(nfsdstats.counter, NFSD_STATS_COUNTERS_NUM);
+ return nfsd_percpu_counters_init(nn->counter, NFSD_STATS_COUNTERS_NUM);
}
-void nfsd_stat_counters_destroy(void)
+void nfsd_stat_counters_destroy(struct nfsd_net *nn)
{
- nfsd_percpu_counters_destroy(nfsdstats.counter, NFSD_STATS_COUNTERS_NUM);
+ nfsd_percpu_counters_destroy(nn->counter, NFSD_STATS_COUNTERS_NUM);
}
void nfsd_proc_stat_init(struct net *net)
diff --git a/fs/nfsd/stats.h b/fs/nfsd/stats.h
index 38811aa7d13e..c24be4ddbe7d 100644
--- a/fs/nfsd/stats.h
+++ b/fs/nfsd/stats.h
@@ -10,26 +10,7 @@
#include <uapi/linux/nfsd/stats.h>
#include <linux/percpu_counter.h>
-
-enum {
- NFSD_STATS_RC_HITS, /* repcache hits */
- NFSD_STATS_RC_MISSES, /* repcache misses */
- NFSD_STATS_RC_NOCACHE, /* uncached reqs */
- NFSD_STATS_FH_STALE, /* FH stale error */
- NFSD_STATS_IO_READ, /* bytes returned to read requests */
- NFSD_STATS_IO_WRITE, /* bytes passed in write requests */
-#ifdef CONFIG_NFSD_V4
- NFSD_STATS_FIRST_NFS4_OP, /* count of individual nfsv4 operations */
- NFSD_STATS_LAST_NFS4_OP = NFSD_STATS_FIRST_NFS4_OP + LAST_NFS4_OP,
-#define NFSD_STATS_NFS4_OP(op) (NFSD_STATS_FIRST_NFS4_OP + (op))
- NFSD_STATS_WDELEG_GETATTR, /* count of getattr conflict with wdeleg */
-#endif
- NFSD_STATS_COUNTERS_NUM
-};
-
struct nfsd_stats {
- struct percpu_counter counter[NFSD_STATS_COUNTERS_NUM];
-
atomic_t th_cnt; /* number of available threads */
};
@@ -40,43 +21,46 @@ extern struct svc_stat nfsd_svcstats;
int nfsd_percpu_counters_init(struct percpu_counter *counters, int num);
void nfsd_percpu_counters_reset(struct percpu_counter *counters, int num);
void nfsd_percpu_counters_destroy(struct percpu_counter *counters, int num);
-int nfsd_stat_counters_init(void);
-void nfsd_stat_counters_destroy(void);
+int nfsd_stat_counters_init(struct nfsd_net *nn);
+void nfsd_stat_counters_destroy(struct nfsd_net *nn);
void nfsd_proc_stat_init(struct net *net);
void nfsd_proc_stat_shutdown(struct net *net);
-static inline void nfsd_stats_rc_hits_inc(void)
+static inline void nfsd_stats_rc_hits_inc(struct nfsd_net *nn)
{
- percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_RC_HITS]);
+ percpu_counter_inc(&nn->counter[NFSD_STATS_RC_HITS]);
}
-static inline void nfsd_stats_rc_misses_inc(void)
+static inline void nfsd_stats_rc_misses_inc(struct nfsd_net *nn)
{
- percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_RC_MISSES]);
+ percpu_counter_inc(&nn->counter[NFSD_STATS_RC_MISSES]);
}
-static inline void nfsd_stats_rc_nocache_inc(void)
+static inline void nfsd_stats_rc_nocache_inc(struct nfsd_net *nn)
{
- percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_RC_NOCACHE]);
+ percpu_counter_inc(&nn->counter[NFSD_STATS_RC_NOCACHE]);
}
-static inline void nfsd_stats_fh_stale_inc(struct svc_export *exp)
+static inline void nfsd_stats_fh_stale_inc(struct nfsd_net *nn,
+ struct svc_export *exp)
{
- percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_FH_STALE]);
+ percpu_counter_inc(&nn->counter[NFSD_STATS_FH_STALE]);
if (exp && exp->ex_stats)
percpu_counter_inc(&exp->ex_stats->counter[EXP_STATS_FH_STALE]);
}
-static inline void nfsd_stats_io_read_add(struct svc_export *exp, s64 amount)
+static inline void nfsd_stats_io_read_add(struct nfsd_net *nn,
+ struct svc_export *exp, s64 amount)
{
- percpu_counter_add(&nfsdstats.counter[NFSD_STATS_IO_READ], amount);
+ percpu_counter_add(&nn->counter[NFSD_STATS_IO_READ], amount);
if (exp && exp->ex_stats)
percpu_counter_add(&exp->ex_stats->counter[EXP_STATS_IO_READ], amount);
}
-static inline void nfsd_stats_io_write_add(struct svc_export *exp, s64 amount)
+static inline void nfsd_stats_io_write_add(struct nfsd_net *nn,
+ struct svc_export *exp, s64 amount)
{
- percpu_counter_add(&nfsdstats.counter[NFSD_STATS_IO_WRITE], amount);
+ percpu_counter_add(&nn->counter[NFSD_STATS_IO_WRITE], amount);
if (exp && exp->ex_stats)
percpu_counter_add(&exp->ex_stats->counter[EXP_STATS_IO_WRITE], amount);
}
@@ -97,9 +81,9 @@ static inline void nfsd_stats_drc_mem_usage_sub(struct nfsd_net *nn, s64 amount)
}
#ifdef CONFIG_NFSD_V4
-static inline void nfsd_stats_wdeleg_getattr_inc(void)
+static inline void nfsd_stats_wdeleg_getattr_inc(struct nfsd_net *nn)
{
- percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_WDELEG_GETATTR]);
+ percpu_counter_inc(&nn->counter[NFSD_STATS_WDELEG_GETATTR]);
}
#endif
#endif /* _NFSD_STATS_H */
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index f57749cd6f0b..38952105ed7f 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1002,7 +1002,9 @@ static __be32 nfsd_finish_read(struct svc_rqst *rqstp, struct svc_fh *fhp,
unsigned long *count, u32 *eof, ssize_t host_err)
{
if (host_err >= 0) {
- nfsd_stats_io_read_add(fhp->fh_export, host_err);
+ struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);
+
+ nfsd_stats_io_read_add(nn, fhp->fh_export, host_err);
*eof = nfsd_eof_on_read(file, offset, host_err, *count);
*count = host_err;
fsnotify_access(file);
@@ -1185,7 +1187,7 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct nfsd_file *nf,
goto out_nfserr;
}
*cnt = host_err;
- nfsd_stats_io_write_add(exp, *cnt);
+ nfsd_stats_io_write_add(nn, exp, *cnt);
fsnotify_modify(file);
host_err = filemap_check_wb_err(file->f_mapping, since);
if (host_err < 0)
generated by cgit v1.2.3 (git 2.39.0) at 2024-10-07 07:37:07 +0300