Satoshi Uchida
2007-Jun-05 10:01 UTC
[Xen-devel] [PATCH][XENTOP][1/4] Display blktap statistics.
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@ap.jp.nec.com
# 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@ap.jp.nec.com>
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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