diff options
Diffstat (limited to 'sdcard')
| -rw-r--r-- | sdcard/sdcard.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/sdcard/sdcard.c b/sdcard/sdcard.c index 27cbde255..8bb0c82cb 100644 --- a/sdcard/sdcard.c +++ b/sdcard/sdcard.c @@ -114,6 +114,12 @@ struct fuse { #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 @@ void handle_fuse_request(struct fuse *fuse, struct fuse_in_header *hdr, void *da 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: |