aboutsummaryrefslogtreecommitdiffstats
path: root/fs/smb/client/cached_dir.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/smb/client/cached_dir.h')
-rw-r--r--fs/smb/client/cached_dir.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/smb/client/cached_dir.h b/fs/smb/client/cached_dir.h
index 46b5a2fdf15b..c98f02943311 100644
--- a/fs/smb/client/cached_dir.h
+++ b/fs/smb/client/cached_dir.h
@@ -27,6 +27,9 @@ struct cached_dirents {
struct mutex de_mutex;
loff_t pos; /* Expected ctx->pos */
struct list_head entries;
+ /* accounting for cached entries in this directory */
+ unsigned long entries_count;
+ unsigned long bytes_used;
};
struct cached_fid {
@@ -62,8 +65,14 @@ struct cached_fids {
struct list_head dying;
struct work_struct invalidation_work;
struct delayed_work laundromat_work;
+ /* aggregate accounting for all cached dirents under this tcon */
+ atomic_long_t total_dirents_entries;
+ atomic64_t total_dirents_bytes;
};
+/* Module-wide directory cache accounting (defined in cifsfs.c) */
+extern atomic64_t cifs_dircache_bytes_used; /* bytes across all mounts */
+
extern struct cached_fids *init_cached_dirs(void);
extern void free_cached_dirs(struct cached_fids *cfids);
extern int open_cached_dir(unsigned int xid, struct cifs_tcon *tcon,