vfs: allow lsetxattr() to retry once on ESTALE errors (49e09e1c) · Commits · e / devices / android_kernel_teracube_emerald

fs/xattr.c

+7 −2

Original line number	Diff line number	Diff line
		@@ -394,8 +394,9 @@ SYSCALL_DEFINE5(lsetxattr, const char __user *, pathname,
		{
		struct path path;
		int error;

		error = user_lpath(pathname, &path);
		unsigned int lookup_flags = 0;
		retry:
		error = user_path_at(AT_FDCWD, pathname, lookup_flags, &path);
		if (error)
		return error;
		error = mnt_want_write(path.mnt);
		@@ -404,6 +405,10 @@ SYSCALL_DEFINE5(lsetxattr, const char __user *, pathname,
		mnt_drop_write(path.mnt);
		}
		path_put(&path);
		if (retry_estale(error, lookup_flags)) {
		lookup_flags \|= LOOKUP_REVAL;
		goto retry;
		}
		return error;
		}