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| author | David Howells <dhowells@redhat.com> | 2009-11-19 19:11:08 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2009-11-19 19:11:08 +0100 |
| commit | 52bd75fdb135d6133d878ae60c6e7e3f4ebc1cfc (patch) | |
| tree | 4fad4fa37ce533c520a4575e5b7df90e19c6a666 /fs/fscache/cache.c | |
| parent | FS-Cache: Allow the current state of all objects to be dumped (diff) | |
| download | linux-52bd75fdb135d6133d878ae60c6e7e3f4ebc1cfc.tar.xz 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/cache.c')
| -rw-r--r-- | fs/fscache/cache.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/fscache/cache.c b/fs/fscache/cache.c index 724384ef96de..6a3c48abd677 100644 --- a/fs/fscache/cache.c +++ b/fs/fscache/cache.c @@ -381,11 +381,15 @@ void fscache_withdraw_cache(struct fscache_cache *cache) /* make sure all pages pinned by operations on behalf of the netfs are * written to disk */ + fscache_stat(&fscache_n_cop_sync_cache); cache->ops->sync_cache(cache); + fscache_stat_d(&fscache_n_cop_sync_cache); /* dissociate all the netfs pages backed by this cache from the block * mappings in the cache */ + fscache_stat(&fscache_n_cop_dissociate_pages); cache->ops->dissociate_pages(cache); + fscache_stat_d(&fscache_n_cop_dissociate_pages); /* we now have to destroy all the active objects pertaining to this * cache - which we do by passing them off to thread pool to be |