[CIFS] CIFS Stats improvements
New cifs_writepages routine was not updated bytes written in cifs stats.
Also added ability to clear /proc/fs/cifs/Stats by writing (0 or 1) to it.
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
index 6f78109..f4054d6 100644
--- a/fs/cifs/cifs_debug.c
+++ b/fs/cifs/cifs_debug.c
@@ -203,6 +203,49 @@
}
#ifdef CONFIG_CIFS_STATS
+
+static int
+cifs_stats_write(struct file *file, const char __user *buffer,
+ unsigned long count, void *data)
+{
+ char c;
+ int rc;
+ struct list_head *tmp;
+ struct cifsTconInfo *tcon;
+
+ rc = get_user(c, buffer);
+ if (rc)
+ return rc;
+
+ if (c == '1' || c == 'y' || c == 'Y') {
+ read_lock(&GlobalSMBSeslock);
+ list_for_each(tmp, &GlobalTreeConnectionList) {
+ tcon = list_entry(tmp, struct cifsTconInfo,
+ cifsConnectionList);
+ atomic_set(&tcon->num_smbs_sent, 0);
+ atomic_set(&tcon->num_writes, 0);
+ atomic_set(&tcon->num_reads, 0);
+ atomic_set(&tcon->num_oplock_brks, 0);
+ atomic_set(&tcon->num_opens, 0);
+ atomic_set(&tcon->num_closes, 0);
+ atomic_set(&tcon->num_deletes, 0);
+ atomic_set(&tcon->num_mkdirs, 0);
+ atomic_set(&tcon->num_rmdirs, 0);
+ atomic_set(&tcon->num_renames, 0);
+ atomic_set(&tcon->num_t2renames, 0);
+ atomic_set(&tcon->num_ffirst, 0);
+ atomic_set(&tcon->num_fnext, 0);
+ atomic_set(&tcon->num_fclose, 0);
+ atomic_set(&tcon->num_hardlinks, 0);
+ atomic_set(&tcon->num_symlinks, 0);
+ atomic_set(&tcon->num_locks, 0);
+ }
+ read_unlock(&GlobalSMBSeslock);
+ }
+
+ return count;
+}
+
static int
cifs_stats_read(char *buf, char **beginBuffer, off_t offset,
int count, int *eof, void *data)
@@ -365,8 +408,10 @@
cifs_debug_data_read, NULL);
#ifdef CONFIG_CIFS_STATS
- create_proc_read_entry("Stats", 0, proc_fs_cifs,
+ pde = create_proc_read_entry("Stats", 0, proc_fs_cifs,
cifs_stats_read, NULL);
+ if (pde)
+ pde->write_proc = cifs_stats_write;
#endif
pde = create_proc_read_entry("cifsFYI", 0, proc_fs_cifs,
cifsFYI_read, NULL);
@@ -483,6 +528,8 @@
cifsFYI = 0;
else if (c == '1' || c == 'y' || c == 'Y')
cifsFYI = 1;
+ else if((c > '1') && (c <= '9'))
+ cifsFYI = (int) (c - '0'); /* see cifs_debug.h for meanings */
return count;
}