diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/virtiofsd/passthrough_ll.c | 35 |
1 files changed, 25 insertions, 10 deletions
diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough_ll.c index 33bfb4d1f4..9e7191eb75 100644 --- a/tools/virtiofsd/passthrough_ll.c +++ b/tools/virtiofsd/passthrough_ll.c @@ -2351,6 +2351,30 @@ static void log_func(enum fuse_log_level level, const char *fmt, va_list ap) } } +static void setup_root(struct lo_data *lo, struct lo_inode *root) +{ + int fd, res; + struct stat stat; + + fd = open("/", O_PATH); + if (fd == -1) { + fuse_log(FUSE_LOG_ERR, "open(%s, O_PATH): %m\n", lo->source); + exit(1); + } + + res = fstatat(fd, "", &stat, AT_EMPTY_PATH | AT_SYMLINK_NOFOLLOW); + if (res == -1) { + fuse_log(FUSE_LOG_ERR, "fstatat(%s): %m\n", lo->source); + exit(1); + } + + root->is_symlink = false; + root->fd = fd; + root->ino = stat.st_ino; + root->dev = stat.st_dev; + root->refcount = 2; +} + int main(int argc, char *argv[]) { struct fuse_args args = FUSE_ARGS_INIT(argc, argv); @@ -2426,8 +2450,6 @@ int main(int argc, char *argv[]) if (lo.debug) { current_log_level = FUSE_LOG_DEBUG; } - lo.root.refcount = 2; - if (lo.source) { struct stat stat; int res; @@ -2446,7 +2468,6 @@ int main(int argc, char *argv[]) } else { lo.source = "/"; } - lo.root.is_symlink = false; if (!lo.timeout_set) { switch (lo.cache) { case CACHE_NEVER: @@ -2466,13 +2487,6 @@ int main(int argc, char *argv[]) exit(1); } - lo.root.fd = open(lo.source, O_PATH); - - if (lo.root.fd == -1) { - fuse_log(FUSE_LOG_ERR, "open(\"%s\", O_PATH): %m\n", lo.source); - exit(1); - } - se = fuse_session_new(&args, &lo_oper, sizeof(lo_oper), &lo); if (se == NULL) { goto err_out1; @@ -2495,6 +2509,7 @@ int main(int argc, char *argv[]) setup_sandbox(&lo, se, opts.syslog); + setup_root(&lo, &lo.root); /* Block until ctrl+c or fusermount -u */ ret = virtio_loop(se); |