diff options
Diffstat (limited to 'fs/cifs/cifsglob.h')
| -rw-r--r-- | fs/cifs/cifsglob.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index f143975627e0..9a3c85bdd77e 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -339,6 +339,34 @@ static inline const char CIFS_DIR_SEP(const struct cifs_sb_info *cifs_sb) return '\\'; } +#ifdef CONFIG_CIFS_STATS +#define cifs_stats_inc atomic_inc + +static inline void cifs_stats_bytes_written(struct cifsTconInfo *tcon, + unsigned int bytes) +{ + if (bytes) { + spin_lock(&tcon->stat_lock); + tcon->bytes_written += bytes; + spin_unlock(&tcon->stat_lock); + } +} + +static inline void cifs_stats_bytes_read(struct cifsTconInfo *tcon, + unsigned int bytes) +{ + spin_lock(&tcon->stat_lock); + tcon->bytes_read += bytes; + spin_unlock(&tcon->stat_lock); +} +#else + +#define cifs_stats_inc(field) do {} while(0) +#define cifs_stats_bytes_written(tcon, bytes) do {} while(0) +#define cifs_stats_bytes_read(tcon, bytes) do {} while(0) + +#endif + /* one of these for every pending CIFS request to the server */ struct mid_q_entry { struct list_head qhead; /* mids waiting on reply from this server */ |