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| author | David Howells <dhowells@redhat.com> | 2009-11-19 18:11:38 +0000 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2009-11-19 18:11:38 +0000 |
| commit | 2175bb06dc6cf2af9c098a1770561f9e63edae4e (patch) | |
| tree | 579c8d4b3f4f92efee919953dab2c78cea8c21ea /fs | |
| parent | 201a15428bd54f83eccec8b7c64a04b8f9431204 (diff) | |
| download | kernel-common-2175bb06dc6cf2af9c098a1770561f9e63edae4e.tar.gz kernel-common-2175bb06dc6cf2af9c098a1770561f9e63edae4e.tar.bz2 kernel-common-2175bb06dc6cf2af9c098a1770561f9e63edae4e.zip | |
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.c | 2 | ||||
| -rw-r--r-- | fs/fscache/internal.h | 1 | ||||
| -rw-r--r-- | fs/fscache/stats.c | 6 |
3 files changed, 7 insertions, 2 deletions
diff --git a/fs/fscache/cookie.c b/fs/fscache/cookie.c index f979659c1b3f..990535071a8a 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 e5046519b153..2bf463d26080 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 cda69994e06d..9e15289eb5c1 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), |