- MDS/client open code changes, to open directories on the MDS.

- no more slab validation on the MDS

diff --git a/lustre/tests/opendevunlink.c b/lustre/tests/opendevunlink.c
new file mode 100644 (file)
index 0000000..fde7d36
--- /dev/null
+++ b/lustre/tests/opendevunlink.c
@@ -0,0 +1,111 @@
+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ */
+
+#define _GNU_SOURCE
+
+#include <stdio.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <dirent.h>
+#include <string.h>
+
+int main(int argc, char **argv)
+{
+        char *dname1, *dname2;
+        int fddev1, fddev2, rc;
+        //DIR *dp;
+        struct stat st1, st2;
+
+        if (argc < 2 || argc > 3) {
+                fprintf(stderr, "usage: %s filename1 [filename2]\n", argv[0]);
+                exit(1);
+        }
+
+        dname1 = argv[1];
+        if (argc == 3)
+                dname2 = argv[2];
+        else
+                dname2 = argv[1];
+
+        //create the special file (right now only test on pipe)
+        fprintf(stderr, "creating special file %s\n", dname1);
+        rc = mknod(dname1, 0777|S_IFIFO, 0);
+        if (rc == -1) {
+                fprintf(stderr, "creating %s fails: %s\n", 
+                        dname1, strerror(errno));
+                exit(1);
+        }
+
+        // open the special file again
+        fprintf(stderr, "opening file\n");
+        fddev1 = open(dname1, O_RDONLY | O_NONBLOCK);
+        if (fddev1 == -1) {
+                fprintf(stderr, "open %s fails: %s\n",
+                        dname1, strerror(errno));
+                exit(1);
+        }
+        
+        // doesn't matter if the two dirs are the same??
+        fddev2 = open(dname2, O_RDONLY | O_NONBLOCK);
+        if (fddev2 == -1) {
+                fprintf(stderr, "open %s fails: %s\n",
+                        dname2, strerror(errno));
+                exit(1);
+        }
+        
+        // delete the special file
+        fprintf (stderr, "unlinking %s\n", dname1);
+        rc = unlink(dname1);
+        if (rc) {
+                fprintf(stderr, "unlink %s error: %s\n", 
+                        dname1, strerror(errno));
+                exit(1);
+        }
+
+        if (access(dname2, F_OK) == 0){
+                fprintf(stderr, "%s still exists\n", dname2);
+                exit(1);
+        }
+
+        if (access(dname1, F_OK) == 0){
+                fprintf(stderr, "%s still exists\n", dname1);
+                exit(1);
+        }
+
+        // fchmod one special file
+        rc = fchmod (fddev1, 0777);
+        if(rc == -1)
+        {
+                fprintf(stderr, "fchmod unlinked special file %s fails: %s\n", 
+                        dname1, strerror(errno));
+                exit(1);
+        }
+                
+        // fstat two files to check if they are the same
+        rc = fstat(fddev1, &st1);
+        if(rc == -1)
+        {
+                fprintf(stderr, "fstat unlinked special file %s fails: %s\n", 
+                        dname1, strerror(errno));
+                exit(1);
+        }
+
+        rc = fstat(fddev2, &st2);
+        if (rc == -1) {
+                fprintf(stderr, "fstat file %s fails: %s\n",
+                        dname2, strerror(errno));
+                exit(1);
+        }
+
+        if (st1.st_mode != st2.st_mode) {  // can we do this?
+                fprintf(stderr, "fstat different value on %s and %s\n",                                 dname1, dname2);
+                exit(1);
+        }        
+
+        fprintf(stderr, "Ok, everything goes well.\n");
+        return 0;
+}
+

diff --git a/lustre/tests/opendirunlink.c b/lustre/tests/opendirunlink.c
new file mode 100644 (file)
index 0000000..2664618
--- /dev/null
+++ b/lustre/tests/opendirunlink.c
@@ -0,0 +1,122 @@
+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ */
+
+#define _GNU_SOURCE
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <dirent.h>
+#include <string.h>
+
+int main(int argc, char **argv)
+{
+        char *dname1, *dname2;
+        int fddir1, fddir2, rc;
+        //DIR *dp;
+        struct stat st1, st2;
+
+        if (argc < 2 || argc > 3) {
+                fprintf(stderr, "usage: %s dirname1 [dirname2]\n", argv[0]);
+                exit(1);
+        }
+
+        dname1 = argv[1];
+        if (argc == 3)
+                dname2 = argv[2];
+        else
+                dname2 = argv[1];
+
+        //create the directory
+        fprintf(stderr, "creating directory %s\n", dname1);
+        rc = mkdir(dname1, 0744);
+        if (rc == -1) {
+                fprintf(stderr, "creating %s fails: %s\n", 
+                        dname1, strerror(errno));
+                exit(1);
+        }
+
+        // open the dir again
+        fprintf(stderr, "opening directory\n");
+        fddir1 = open(dname1, O_RDONLY | O_DIRECTORY);
+        if (fddir1 == -1) {
+                fprintf(stderr, "open %s fails: %s\n",
+                        dname1, strerror(errno));
+                exit(1);
+        }
+        
+        // doesn't matter if the two dirs are the same??
+        fddir2 = open(dname2, O_RDONLY | O_DIRECTORY);
+        if (fddir2 == -1) {
+                fprintf(stderr, "open %s fails: %s\n",
+                        dname2, strerror(errno));
+                exit(1);
+        }
+        
+        // another method
+/*        
+        if ( (dp = opendir(dname2)) == NULL) {
+                fprintf(stderr, "opendir() %s\n", strerror(errno));
+                exit(1);
+        }
+        fddir = dirfd(dp);
+*/
+
+        // delete the dir
+        fprintf (stderr, "unlinking %s\n", dname1);
+        rc = rmdir(dname1);
+        if (rc) {
+                fprintf(stderr, "unlink %s error: %s\n", 
+                        dname1, strerror(errno));
+                exit(1);
+        }
+
+        if (access(dname2, F_OK) == 0){
+                fprintf(stderr, "%s still exists\n", dname2);
+                exit(1);
+        }
+
+        if (access(dname1, F_OK) == 0){
+                fprintf(stderr, "%s still exists\n", dname1);
+                exit(1);
+        }
+
+        // fchmod the dir
+        rc = fchmod (fddir1, 0777);
+        if(rc == -1)
+        {
+                fprintf(stderr, "fchmod unlinked dir fails %s\n", 
+                        strerror(errno));
+                exit(1);
+        }
+                
+        // fstat two dirs to check if they are the same
+        rc = fstat(fddir1, &st1);
+        if(rc == -1)
+        {
+                fprintf(stderr, "fstat unlinked dir %s fails %s\n", 
+                        dname1, strerror(errno));
+                exit(1);
+        }
+
+        rc = fstat(fddir2, &st2);
+        if (rc == -1) {
+                fprintf(stderr, "fstat dir %s fails %s\n",
+                        dname2, strerror(errno));
+                exit(1);
+        }
+
+        if (st1.st_mode != st2.st_mode) {  // can we do this?
+                fprintf(stderr, "fstat different value on %s and %s\n",                                 dname1, dname2);
+                exit(1);
+        }        
+
+        fprintf(stderr, "Ok, everything goes well.\n");
+        return 0;
+}
+