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s/make_root_directory/ensure_root_directory/ and stop failing on existing node. Fixes #232.

This commit is contained in:
David Humphrey (:humph) david.humphrey@senecacollege.ca 2014-07-07 17:02:42 -04:00
parent f9b3b69588
commit 6716a1ff1a
2 changed files with 12 additions and 8 deletions
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18
src/filesystem/implementation.js
View File

@ -350,17 +350,21 @@ function set_extended_attribute (context, path_or_fd, name, value, flag, callbac
}
/**
* make_root_directory
* ensure_root_directory. Creates a root node if necessary.
*
* Note: this should only be invoked when formatting a new file system.
* Multiple invocations of this by separate instances will still result
* in only a single super node.
*/
// Note: this should only be invoked when formatting a new file system
function make_root_directory(context, callback) {
function ensure_root_directory(context, callback) {
var superNode;
var directoryNode;
var directoryData;
function write_super_node(error, existingNode) {
function ensure_super_node(error, existingNode) {
if(!error && existingNode) {
callback(new Errors.EEXIST());
// Another instance has beat us and already created the super node.
callback();
} else if(error && !(error instanceof Errors.ENOENT)) {
callback(error);
} else {
@ -388,7 +392,7 @@ function make_root_directory(context, callback) {
}
}
context.get(SUPER_NODE_ID, write_super_node);
context.get(SUPER_NODE_ID, ensure_super_node);
}
/**
@ -2010,7 +2014,7 @@ function ftruncate(fs, context, fd, length, callback) {
}
module.exports = {
makeRootDirectory: make_root_directory,
ensureRootDirectory: ensure_root_directory,
open: open,
close: close,
mknod: mknod,

2
src/filesystem/interface.js
View File

@ -206,7 +206,7 @@ function FileSystem(options, callback) {
complete(err);
return;
}
impl.makeRootDirectory(context, complete);
impl.ensureRootDirectory(context, complete);
});
});
}