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authorDavid Howells <dhowells@redhat.com>2009-11-19 18:11:38 +0000
committerDavid Howells <dhowells@redhat.com>2009-11-19 18:11:38 +0000
commit2175bb06dc6cf2af9c098a1770561f9e63edae4e (patch)
tree579c8d4b3f4f92efee919953dab2c78cea8c21ea /fs
parent201a15428bd54f83eccec8b7c64a04b8f9431204 (diff)
FS-Cache: Add a retirement stat counter
Add a stat counter to count retirement events rather than ordinary release events (the retire argument to fscache_relinquish_cookie()). Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/fscache/cookie.c2
-rw-r--r--fs/fscache/internal.h1
-rw-r--r--fs/fscache/stats.c6
3 files changed, 7 insertions, 2 deletions
diff --git a/fs/fscache/cookie.c b/fs/fscache/cookie.c
index f979659c1b3..990535071a8 100644
--- a/fs/fscache/cookie.c
+++ b/fs/fscache/cookie.c
@@ -415,6 +415,8 @@ void __fscache_relinquish_cookie(struct fscache_cookie *cookie, int retire)
unsigned long event;
fscache_stat(&fscache_n_relinquishes);
+ if (retire)
+ fscache_stat(&fscache_n_relinquishes_retire);
if (!cookie) {
fscache_stat(&fscache_n_relinquishes_null);
diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h
index e5046519b15..2bf463d2608 100644
--- a/fs/fscache/internal.h
+++ b/fs/fscache/internal.h
@@ -202,6 +202,7 @@ extern atomic_t fscache_n_updates_run;
extern atomic_t fscache_n_relinquishes;
extern atomic_t fscache_n_relinquishes_null;
extern atomic_t fscache_n_relinquishes_waitcrt;
+extern atomic_t fscache_n_relinquishes_retire;
extern atomic_t fscache_n_cookie_index;
extern atomic_t fscache_n_cookie_data;
diff --git a/fs/fscache/stats.c b/fs/fscache/stats.c
index cda69994e06..9e15289eb5c 100644
--- a/fs/fscache/stats.c
+++ b/fs/fscache/stats.c
@@ -85,6 +85,7 @@ atomic_t fscache_n_updates_run;
atomic_t fscache_n_relinquishes;
atomic_t fscache_n_relinquishes_null;
atomic_t fscache_n_relinquishes_waitcrt;
+atomic_t fscache_n_relinquishes_retire;
atomic_t fscache_n_cookie_index;
atomic_t fscache_n_cookie_data;
@@ -168,10 +169,11 @@ static int fscache_stats_show(struct seq_file *m, void *v)
atomic_read(&fscache_n_updates_null),
atomic_read(&fscache_n_updates_run));
- seq_printf(m, "Relinqs: n=%u nul=%u wcr=%u\n",
+ seq_printf(m, "Relinqs: n=%u nul=%u wcr=%u rtr=%u\n",
atomic_read(&fscache_n_relinquishes),
atomic_read(&fscache_n_relinquishes_null),
- atomic_read(&fscache_n_relinquishes_waitcrt));
+ atomic_read(&fscache_n_relinquishes_waitcrt),
+ atomic_read(&fscache_n_relinquishes_retire));
seq_printf(m, "AttrChg: n=%u ok=%u nbf=%u oom=%u run=%u\n",
atomic_read(&fscache_n_attr_changed),