[Xen-devel] [PATCH][XENTOP][1/4] Display blktap statistics.

["Satoshi Uchida" <s-uchida@xxxxxxxxxxxxx>]

This patch renames sysfs entries about blktap.

Sysfs entories about blktap are added prefix "tap_".
This patch removes its prefix.

For example, in blktap, the number of READ request used to be referred sysfs 
entries "tap_rd_req".
After applying this patch, it is referred sysfs entries "rd_req" -- this is 
same entiries' name with blkback. --.


# HG changeset patch
# User s-uchida@xxxxxxxxxxxxx
# Date 1180665239 -32400
# Node ID 32d03e18fda8aad13b1674104eb2d32854be1403
# Parent  1b39e42d4e0d906747fc7bae1a3e5924c98be48d
BLKTAP:Modified sysfs name for blktap.
       a sysfs name for back-end driver is unified.
       In detail, remve "tap-".

Sigened-off-by: Satochi UCHIDA <s-uchida@xxxxxxxxxxxxx>

diff -r 1b39e42d4e0d -r 32d03e18fda8 
linux-2.6-xen-sparse/drivers/xen/blktap/xenbus.c
--- a/linux-2.6-xen-sparse/drivers/xen/blktap/xenbus.c  Thu May 10 10:35:55 
2007 +0900
+++ b/linux-2.6-xen-sparse/drivers/xen/blktap/xenbus.c  Fri Jun 01 11:33:59 
2007 +0900
@@ -114,7 +114,7 @@ static int blktap_name(blkif_t *blkif, c
 }
 
 /****************************************************************
- *  sysfs interface for VBD I/O requests
+ *  sysfs interface for I/O requests of blktap device
  */
 
 #define VBD_SHOW(name, format, args...)                                        
\
@@ -127,20 +127,20 @@ static int blktap_name(blkif_t *blkif, c
                                                                        \
                return sprintf(buf, format, ##args);                    \
        }                                                               \
-       DEVICE_ATTR(name, S_IRUGO, show_##name, NULL)
-
-VBD_SHOW(tap_oo_req,  "%d\n", be->blkif->st_oo_req);
-VBD_SHOW(tap_rd_req,  "%d\n", be->blkif->st_rd_req);
-VBD_SHOW(tap_wr_req,  "%d\n", be->blkif->st_wr_req);
-VBD_SHOW(tap_rd_sect, "%d\n", be->blkif->st_rd_sect);
-VBD_SHOW(tap_wr_sect, "%d\n", be->blkif->st_wr_sect);
+       static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL)
+
+VBD_SHOW(oo_req,  "%d\n", be->blkif->st_oo_req);
+VBD_SHOW(rd_req,  "%d\n", be->blkif->st_rd_req);
+VBD_SHOW(wr_req,  "%d\n", be->blkif->st_wr_req);
+VBD_SHOW(rd_sect, "%d\n", be->blkif->st_rd_sect);
+VBD_SHOW(wr_sect, "%d\n", be->blkif->st_wr_sect);
 
 static struct attribute *tapstat_attrs[] = {
-       &dev_attr_tap_oo_req.attr,
-       &dev_attr_tap_rd_req.attr,
-       &dev_attr_tap_wr_req.attr,
-       &dev_attr_tap_rd_sect.attr,
-       &dev_attr_tap_wr_sect.attr,
+       &dev_attr_oo_req.attr,
+       &dev_attr_rd_req.attr,
+       &dev_attr_wr_req.attr,
+       &dev_attr_rd_sect.attr,
+       &dev_attr_wr_sect.attr,
        NULL
 };
 


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