Merge "Add definitions for store barrier."
diff --git a/sdcard/sdcard.c b/sdcard/sdcard.c
index 27cbde2..8bb0c82 100644
--- a/sdcard/sdcard.c
+++ b/sdcard/sdcard.c
@@ -114,6 +114,12 @@
#define PATH_BUFFER_SIZE 1024
+/*
+ * Get the real-life absolute path to a node.
+ * node: start at this node
+ * buf: storage for returned string
+ * name: append this string to path if set
+ */
char *node_get_path(struct node *node, char *buf, const char *name)
{
char *out = buf + PATH_BUFFER_SIZE - 1;
@@ -439,15 +445,27 @@
case FUSE_SETATTR: { /* setattr_in -> attr_out */
struct fuse_setattr_in *req = data;
struct fuse_attr_out out;
+ char *path, buffer[PATH_BUFFER_SIZE];
+ int res = 0;
+
TRACE("SETATTR fh=%llx id=%llx valid=%x\n",
req->fh, hdr->nodeid, req->valid);
- /* XXX */
+ /* XXX: incomplete implementation -- truncate only. chmod/chown
+ * should NEVER be implemented. */
+
+ path = node_get_path(node, buffer, 0);
+ if (req->valid & FATTR_SIZE)
+ res = truncate(path, req->size);
memset(&out, 0, sizeof(out));
node_get_attr(node, &out.attr);
out.attr_valid = 10;
- fuse_reply(fuse, hdr->unique, &out, sizeof(out));
+
+ if (res)
+ fuse_status(fuse, hdr->unique, -errno);
+ else
+ fuse_reply(fuse, hdr->unique, &out, sizeof(out));
return;
}
// case FUSE_READLINK: