From eb4488d77fb71e7891708a763df3829d655a0a66 Mon Sep 17 00:00:00 2001
From: adilger <adilger>
Date: Thu, 12 Feb 2004 19:55:35 +0000
Subject: [PATCH] Update b_smallfix from HEAD (20040212_1234)

---
 lustre/utils/liblustreapi.c | 65 +++++++++++++++++----------------------------
 1 file changed, 25 insertions(+), 40 deletions(-)

diff --git a/lustre/utils/liblustreapi.c b/lustre/utils/liblustreapi.c
index 6fcfc4d..0cf4489 100644
--- a/lustre/utils/liblustreapi.c
+++ b/lustre/utils/liblustreapi.c
@@ -461,57 +461,47 @@ out:
 }
 
 #define MAX_STRING_SIZE 128
+#define DEVICES_LIST "/proc/fs/lustre/devices"
 
 int op_check(int type_num, char **obd_type, char *dir)
 {
-        int rc=0;
-        int i=0,j=0,k;
-        char buf[OBD_MAX_IOCTL_BUFFER];
-        char *buf2;
-        struct obd_ioctl_data *data = (struct obd_ioctl_data *)buf;
-                                                                                                                     
-        memset(buf, 0, sizeof(buf));
-        data->ioc_version = OBD_IOCTL_VERSION;
-        data->ioc_inllen1 = sizeof(buf) - size_round(sizeof(*data));
-        data->ioc_len = obd_ioctl_packlen(data);
-                                                                                                                             
-        rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LIST, data);
-                   
-        buf2 = data->ioc_bulk;
-
-        if (!data->ioc_inlbuf1) {
-                err_msg("No buffer passed!\n");
-                rc = errno;
+        int rc = 0;
+        int i;
+
+        char buf[MAX_STRING_SIZE];
+        FILE *fp = fopen(DEVICES_LIST, "r");
+                                                                                                                                               
+        if (fp == NULL) {
+                fprintf(stderr, "error: %s could not open file "
+                        DEVICES_LIST " .\n", strerror(rc =  errno));
+                return rc;
         }
 
-        do {
-                char status[3];
-                char obd_type_name[sizeof(struct obd_type)];
-                char obd_name[MAX_STRING_SIZE];
-                char obd_uuid[sizeof(struct obd_uuid)];
-                int obd_type_refcnt;
+        while (fgets(buf, sizeof(buf), fp) != NULL) {
+                char *obd_type_name = NULL;
+                char *obd_name = NULL;
 
                 char rawbuf[OBD_MAX_IOCTL_BUFFER];
                 char *bufl = rawbuf;
+                char *bufp = buf;
                 int max = sizeof(rawbuf);
                 struct obd_ioctl_data datal;
                 struct obd_statfs osfs_buffer;
                                                                                 
+                while(bufp[0] == ' ') bufp += 1;
+                for(i = 0; i < 3; i++) {
+                        obd_type_name = strsep(&bufp, " ");
+                }
+                obd_name = strsep(&bufp, " ");
+
                 memset (&osfs_buffer, 0, sizeof (osfs_buffer));
 
                 memset(bufl, 0, sizeof(rawbuf));
                 datal.ioc_pbuf1 = (char *)&osfs_buffer;
                 datal.ioc_plen1 = sizeof (osfs_buffer);
 
-                j = sscanf(buf2,"%d %s %s %s %s %d",&j,
-                             status,obd_type_name,
-                             obd_name, obd_uuid,
-                             &obd_type_refcnt);
-
-                if (j != 6) break;
-
-                for (k=0;k<type_num;k++) 
-                        if (strcmp(obd_type_name, obd_type[k]) == 0) {
+                for (i=0;i<type_num;i++) 
+                        if (strcmp(obd_type_name, obd_type[i]) == 0) {
                                 datal.ioc_inlbuf1 = obd_name;
                                 datal.ioc_inllen1 = strlen(obd_name) + 1; 
 
@@ -527,13 +517,8 @@ int op_check(int type_num, char **obd_type, char *dir)
                                 }
                         }
 
-                if (j==6)
-                        for (i=0;buf2[i]!= '\n';i++);
-
-                buf2 +=(i+1);
-
-        } while (j==6);                                                                                                     
-
+        }                                                                                                  
+        fclose(fp);
         return rc;
 }
 
-- 
1.8.3.1