From: Sergiu Moga <sergiu.moga@protonmail.com>
Date: Mon, 8 Mar 2021 17:25:54 +0000 (+0200)
Subject: lib/vfscore: Register `fstatfs` to syscall_shim
X-Git-Tag: RELEASE-0.6~223
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=2da94e09b0517fd6a417288dd43f2a42f662b1de;p=unikraft%2Funikraft.git

lib/vfscore: Register `fstatfs` to syscall_shim

Register `fstatfs` system call to syscall_shim library.

Signed-off-by: Sergiu Moga <sergiu.moga@protonmail.com>
Reviewed-by: Cezar Craciunoiu <cezar.craciunoiu@gmail.com>
Tested-by: Unikraft CI <monkey@unikraft.io>
GitHub-Pull-Request: #144
---

diff --git a/lib/vfscore/Makefile.uk b/lib/vfscore/Makefile.uk
index 8ecbf313e..d78c13f1c 100644
--- a/lib/vfscore/Makefile.uk
+++ b/lib/vfscore/Makefile.uk
@@ -61,3 +61,4 @@ UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += sync-0
 UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += mount-5
 UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += ioctl-3
 UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += statfs-2
+UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += fstatfs-2
diff --git a/lib/vfscore/exportsyms.uk b/lib/vfscore/exportsyms.uk
index 3e9995889..49b0760dc 100644
--- a/lib/vfscore/exportsyms.uk
+++ b/lib/vfscore/exportsyms.uk
@@ -161,6 +161,8 @@ fcntl
 readdir_r
 readdir64_r
 fstatfs
+uk_syscall_e_fstatfs
+uk_syscall_r_fstatfs
 eaccess
 euidaccess
 rename
diff --git a/lib/vfscore/main.c b/lib/vfscore/main.c
index 6d7db0e73..11bfa9303 100644
--- a/lib/vfscore/main.c
+++ b/lib/vfscore/main.c
@@ -1497,12 +1497,15 @@ int __fstatfs(int fd, struct statfs *buf)
 	trace_vfs_fstatfs_ret();
 	return 0;
 
-	out_errno:
+out_errno:
 	trace_vfs_fstatfs_err(error);
-	errno = error;
-	return -1;
+	return -error;
+}
+
+UK_SYSCALL_R_DEFINE(int, fstatfs, int, fd, struct statfs*, buf)
+{
+	return __fstatfs(fd, buf);
 }
-__weak_alias(__fstatfs, fstatfs);
 
 LFS64(fstatfs);