Commit 2175bb06 authored by David Howells's avatar David Howells
Browse files

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: default avatarDavid Howells <dhowells@redhat.com>
parent 201a1542

fs/fscache/cookie.c

+2 −0
Original line number Diff line number Diff line
@@ -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);

fs/fscache/internal.h

+1 −0
Original line number Diff line number Diff line
@@ -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;

fs/fscache/stats.c

+4 −2
Original line number Diff line number Diff line
@@ -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),