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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/internal.h | |
| 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/internal.h')
| -rw-r--r-- | fs/fscache/internal.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h index fe02973a9516..b85cc8906818 100644 --- a/fs/fscache/internal.h +++ b/fs/fscache/internal.h @@ -208,11 +208,33 @@ extern atomic_t fscache_n_checkaux_okay; extern atomic_t fscache_n_checkaux_update; extern atomic_t fscache_n_checkaux_obsolete; +extern atomic_t fscache_n_cop_alloc_object; +extern atomic_t fscache_n_cop_lookup_object; +extern atomic_t fscache_n_cop_lookup_complete; +extern atomic_t fscache_n_cop_grab_object; +extern atomic_t fscache_n_cop_update_object; +extern atomic_t fscache_n_cop_drop_object; +extern atomic_t fscache_n_cop_put_object; +extern atomic_t fscache_n_cop_sync_cache; +extern atomic_t fscache_n_cop_attr_changed; +extern atomic_t fscache_n_cop_read_or_alloc_page; +extern atomic_t fscache_n_cop_read_or_alloc_pages; +extern atomic_t fscache_n_cop_allocate_page; +extern atomic_t fscache_n_cop_allocate_pages; +extern atomic_t fscache_n_cop_write_page; +extern atomic_t fscache_n_cop_uncache_page; +extern atomic_t fscache_n_cop_dissociate_pages; + static inline void fscache_stat(atomic_t *stat) { atomic_inc(stat); } +static inline void fscache_stat_d(atomic_t *stat) +{ + atomic_dec(stat); +} + extern const struct file_operations fscache_stats_fops; #else |