Added a very simple mkindex command - can only create string indexes for now

(and added support for that function in the emulated kernel).


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@11951 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tests/add-ons/kernel/file_systems/fs_shell/fsh.cpp

@@ -1654,6 +1654,27 @@ do_sync(int argc, char **argv)
 }
 
 
+static int
+do_mkindex(int argc, char **argv)
+{
+	if (argc < 2) {
+		printf("usage: mkindex <index>\n");
+		return FS_EINVAL;
+	}
+
+	struct my_stat st;
+	status_t error = sys_rstat(true, -1, "/myfs", &st, true);
+	if (error == FS_OK) {
+		error = sys_mkindex(true, st.dev, argv[1], B_STRING_TYPE, 0);
+	}
+
+	if (error != FS_OK)
+		printf("Could not create index: %s\n", fs_strerror(error));
+
+	return error;
+}
+
+
 #define MAX_LIVE_QUERIES	10
 void *gQueryCookie[MAX_LIVE_QUERIES] = {NULL};
 char *gQueryString[MAX_LIVE_QUERIES] = {NULL};
@@ -2010,6 +2031,7 @@ static cmd_entry builtin_commands[] =
     { "lat_fs",  do_lat_fs, "simulate what the lmbench test lat_fs does" },
     { "create",  do_create, "create N files. default is 100" },
     { "delete",  do_delete, "delete N files. default is 100" },
+    { "mkindex", do_mkindex, "creates an index (type is currently always string)" },
     { "query",   do_query, "run a query on the file system" },
     { "startquery", do_startquery, "run a live query on the file system (up to 10)" },
     { "stopquery",  do_stopquery, "stops live query N, or all of them if none is specified" },

src/tests/add-ons/kernel/file_systems/fs_shell/kernel.c

@@ -2080,6 +2080,36 @@ error1:
 }
 
 
+int
+sys_mkindex(bool kernel, dev_t device, const char *index, int type, int flags)
+{
+	int status = FS_EINVAL;
+	fsystem	*fs = NULL;
+	vnode *root = NULL;
+	nspace *ns;
+
+	LOCK(vnlock);
+	ns = nsidtons(device);
+	if (ns != NULL) {
+		fs = ns->fs;
+		if (fs->ops.create_index != NULL) {
+			status = FS_OK;
+			root = ns->root;
+			root->rcnt++;
+		}
+	}
+	UNLOCK(vnlock);
+
+	if (status == FS_OK) {
+		status = (*fs->ops.create_index)(ns->data, index, type, flags);
+		dec_vnode(root, FALSE);
+	}
+
+	TRACE("sys_mkindex() -- end: %d\n", status);
+	return status;
+}
+
+
 int
 sys_open_query(bool kernel, int fd, const char *path, const char *query, ulong flags, port_id port, ulong token, void **cookie)
 {

src/tests/add-ons/kernel/file_systems/fs_shell/kprotos.h

@@ -56,6 +56,8 @@ ssize_t sys_remove_attr(bool kernel, int fd, const char *name);
 int sys_stat_attr(bool kernel, int fd, const char *path, const char *name,
 			my_attr_info *info);
 
+int sys_mkindex(bool kernel, dev_t device, const char *index, int type, int flags);
+ 
 int sys_open_query(bool kernel, int fd, const char *path, const char *query, ulong flags, port_id port, ulong token, void **cookie);
 int sys_close_query(bool kernel, int fd, const char *path, void *cookie);
 int sys_read_query(bool kernel, int fd, const char *path, void *cookie, struct my_dirent *dent,size_t bufferSize,long num);