summaryrefslogtreecommitdiff
path: root/fs/cachefiles/internal.h
diff options
context:
space:
mode:
authorDavid Howells <dhowells@redhat.com>2021-05-12 11:40:19 +0300
committerDavid Howells <dhowells@redhat.com>2021-08-27 15:34:02 +0300
commit6ae9bd8bb037b7c422bafde746f2338a716f6058 (patch)
treeae0c6602f88829a3bd9737ee8ed6feb2c8f65b35 /fs/cachefiles/internal.h
parent884a76881fc5f5c9c04de1b640bed2c340929842 (diff)
downloadlinux-6ae9bd8bb037b7c422bafde746f2338a716f6058.tar.xz
fscache, cachefiles: Remove the histogram stuff
Remove the histogram stuff as it's mostly going to be outdated. Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> cc: linux-cachefs@redhat.com Link: https://lore.kernel.org/r/162431195953.2908479.16770977195634296638.stgit@warthog.procyon.org.uk/
Diffstat (limited to 'fs/cachefiles/internal.h')
-rw-r--r--fs/cachefiles/internal.h25
1 files changed, 0 insertions, 25 deletions
diff --git a/fs/cachefiles/internal.h b/fs/cachefiles/internal.h
index 4ed83aa5253b..0a511c36dab8 100644
--- a/fs/cachefiles/internal.h
+++ b/fs/cachefiles/internal.h
@@ -181,31 +181,6 @@ extern int cachefiles_check_in_use(struct cachefiles_cache *cache,
struct dentry *dir, char *filename);
/*
- * proc.c
- */
-#ifdef CONFIG_CACHEFILES_HISTOGRAM
-extern atomic_t cachefiles_lookup_histogram[HZ];
-extern atomic_t cachefiles_mkdir_histogram[HZ];
-extern atomic_t cachefiles_create_histogram[HZ];
-
-extern int __init cachefiles_proc_init(void);
-extern void cachefiles_proc_cleanup(void);
-static inline
-void cachefiles_hist(atomic_t histogram[], unsigned long start_jif)
-{
- unsigned long jif = jiffies - start_jif;
- if (jif >= HZ)
- jif = HZ - 1;
- atomic_inc(&histogram[jif]);
-}
-
-#else
-#define cachefiles_proc_init() (0)
-#define cachefiles_proc_cleanup() do {} while (0)
-#define cachefiles_hist(hist, start_jif) do {} while (0)
-#endif
-
-/*
* rdwr.c
*/
extern int cachefiles_read_or_alloc_page(struct fscache_retrieval *,