lib/vfscore: Register `fsync` and `fdatasync` to syscall_shim

Registers `fsync` and `fdatasync` system calls to syscall_shim library.

Signed-off-by: Constantin Raducanu <raducanu.costi@gmail.com>
Reviewed-by: Daniel Dinca <dincadaniel97@gmail.com>

diff --git a/lib/vfscore/Makefile.uk b/lib/vfscore/Makefile.uk
index d9dc7a1a55a03ab6a27cf8e0d89be037083f5a6e..1c2159a01196c9cdd60c2e39f5f96af661532ccd 100644 (file)
--- a/lib/vfscore/Makefile.uk
+++ b/lib/vfscore/Makefile.uk
@@ -47,4 +47,6 @@ UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += pwritev-4
 UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += utimes-2
 UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += mknod-3
 UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += rmdir-1
-UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += rename-2
\ No newline at end of file
+UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += rename-2
+UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += fsync-1
+UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += fdatasync-1
\ No newline at end of file

diff --git a/lib/vfscore/exportsyms.uk b/lib/vfscore/exportsyms.uk
index de49ef535db59315134e6dad1f4b7fef5bbd5d1a..7a8fbdacb50107e3401ddaf8833696fa5f06a54f 100644 (file)
--- a/lib/vfscore/exportsyms.uk
+++ b/lib/vfscore/exportsyms.uk
@@ -25,6 +25,8 @@ uk_syscall_e_read
 uk_syscall_r_read
 mkdir
 fsync
+uk_syscall_e_fsync
+uk_syscall_r_fsync
 fstat
 uk_syscall_e_fstat
 uk_syscall_r_fstat
@@ -92,6 +94,8 @@ uk_syscall_r_mknod
 preadv
 ioctl
 fdatasync
+uk_syscall_e_fdatasync
+uk_syscall_r_fdatasync
 fdopendir
 dirfd
 rewinddir

diff --git a/lib/vfscore/main.c b/lib/vfscore/main.c
index c50eb83ed30bad27f7e6c17a861ddabce8823e9a..1f5cd14f5ac4bc31fbba5e996b78cf9fd7ef9f7b 100644 (file)
--- a/lib/vfscore/main.c
+++ b/lib/vfscore/main.c
@@ -489,7 +489,7 @@ UK_TRACEPOINT(trace_vfs_fsync, "%d", int);
 UK_TRACEPOINT(trace_vfs_fsync_ret, "");
 UK_TRACEPOINT(trace_vfs_fsync_err, "%d", int);
 
-int fsync(int fd)
+UK_SYSCALL_R_DEFINE(int, fsync, int, fd)
 {
        struct vfscore_file *fp;
        int error;
@@ -497,23 +497,22 @@ int fsync(int fd)
        trace_vfs_fsync(fd);
        error = fget(fd, &fp);
        if (error)
-               goto out_errno;
+               goto out_error;
 
        error = sys_fsync(fp);
        fdrop(fp);
 
        if (error)
-               goto out_errno;
+               goto out_error;
        trace_vfs_fsync_ret();
        return 0;
 
-       out_errno:
+       out_error:
        trace_vfs_fsync_err(error);
-       errno = error;
-       return -1;
+       return -error;
 }
 
-int fdatasync(int fd)
+UK_SYSCALL_R_DEFINE(int, fdatasync, int, fd)
 {
        // TODO: See if we can do less than fsync().
        return fsync(fd);