@@ -1169,9 +1169,25 @@ static int local_ioc_getversion(FsContext *ctx, V9fsPath *path,
static int local_init(FsContext *ctx)
{
- int err = 0;
struct statfs stbuf;
+#ifdef FS_IOC_GETVERSION
+ /*
+ * use ioc_getversion only if the ioctl is definied
+ */
+ if (statfs(ctx->fs_root, &stbuf) < 0) {
+ return -1;
+ }
+ switch (stbuf.f_type) {
+ case EXT2_SUPER_MAGIC:
+ case BTRFS_SUPER_MAGIC:
+ case REISERFS_SUPER_MAGIC:
+ case XFS_SUPER_MAGIC:
+ ctx->exops.get_st_gen = local_ioc_getversion;
+ break;
+ }
+#endif
+
if (ctx->export_flags & V9FS_SM_PASSTHROUGH) {
ctx->xops = passthrough_xattr_ops;
} else if (ctx->export_flags & V9FS_SM_MAPPED) {
@@ -1186,23 +1202,8 @@ static int local_init(FsContext *ctx)
ctx->xops = passthrough_xattr_ops;
}
ctx->export_flags |= V9FS_PATHNAME_FSCONTEXT;
-#ifdef FS_IOC_GETVERSION
- /*
- * use ioc_getversion only if the iocl is definied
- */
- err = statfs(ctx->fs_root, &stbuf);
- if (!err) {
- switch (stbuf.f_type) {
- case EXT2_SUPER_MAGIC:
- case BTRFS_SUPER_MAGIC:
- case REISERFS_SUPER_MAGIC:
- case XFS_SUPER_MAGIC:
- ctx->exops.get_st_gen = local_ioc_getversion;
- break;
- }
- }
-#endif
- return err;
+
+ return 0;
}
static int local_parse_opts(QemuOpts *opts, struct FsDriverEntry *fse)