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| author | David Howells | 2009-11-19 19:11:08 +0100 |
|---|---|---|
| committer | David Howells | 2009-11-19 19:11:08 +0100 |
| commit | 52bd75fdb135d6133d878ae60c6e7e3f4ebc1cfc (patch) | |
| tree | 4fad4fa37ce533c520a4575e5b7df90e19c6a666 /fs/fscache/cookie.c | |
| parent | FS-Cache: Allow the current state of all objects to be dumped (diff) | |
| download | kernel-qcow2-linux-52bd75fdb135d6133d878ae60c6e7e3f4ebc1cfc.tar.gz kernel-qcow2-linux-52bd75fdb135d6133d878ae60c6e7e3f4ebc1cfc.tar.xz kernel-qcow2-linux-52bd75fdb135d6133d878ae60c6e7e3f4ebc1cfc.zip | |
FS-Cache: Add counters for entry/exit to/from cache operation functions
Count entries to and exits from cache operation table functions. Maintain
these as a single counter that's added to or removed from as appropriate.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'fs/fscache/cookie.c')
| -rw-r--r-- | fs/fscache/cookie.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/fscache/cookie.c b/fs/fscache/cookie.c index 9b5187328230..432482edc738 100644 --- a/fs/fscache/cookie.c +++ b/fs/fscache/cookie.c @@ -249,7 +249,9 @@ static int fscache_alloc_object(struct fscache_cache *cache, /* ask the cache to allocate an object (we may end up with duplicate * objects at this stage, but we sort that out later) */ + fscache_stat(&fscache_n_cop_alloc_object); object = cache->ops->alloc_object(cache, cookie); + fscache_stat_d(&fscache_n_cop_alloc_object); if (IS_ERR(object)) { fscache_stat(&fscache_n_object_no_alloc); ret = PTR_ERR(object); @@ -270,8 +272,11 @@ static int fscache_alloc_object(struct fscache_cache *cache, /* only attach if we managed to allocate all we needed, otherwise * discard the object we just allocated and instead use the one * attached to the cookie */ - if (fscache_attach_object(cookie, object) < 0) + if (fscache_attach_object(cookie, object) < 0) { + fscache_stat(&fscache_n_cop_put_object); cache->ops->put_object(object); + fscache_stat_d(&fscache_n_cop_put_object); + } _leave(" = 0"); return 0; @@ -287,7 +292,9 @@ object_already_extant: return 0; error_put: + fscache_stat(&fscache_n_cop_put_object); cache->ops->put_object(object); + fscache_stat_d(&fscache_n_cop_put_object); error: _leave(" = %d", ret); return ret; |