[PATCH v2 1/2] kvm tools: Add missing 9p remove handler

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



This adds a remove handler which actually allows us to unlink files in the
guest.

Reported-by: Darren Hart <dvhart@xxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <levinsasha928@xxxxxxxxx>
---
 tools/kvm/virtio/9p.c |   25 +++++++++++++++++++++++++
 1 files changed, 25 insertions(+), 0 deletions(-)

diff --git a/tools/kvm/virtio/9p.c b/tools/kvm/virtio/9p.c
index 1569bb2..08b1be7 100644
--- a/tools/kvm/virtio/9p.c
+++ b/tools/kvm/virtio/9p.c
@@ -677,6 +677,30 @@ err_out:
 	return;
 }
 
+static void virtio_p9_remove(struct p9_dev *p9dev,
+			       struct p9_pdu *pdu, u32 *outlen)
+{
+	int ret;
+	u32 fid_val;
+	struct p9_fid *fid;
+	char full_path[PATH_MAX];
+
+	virtio_p9_pdu_readf(pdu, "d", &fid_val);
+	fid = &p9dev->fids[fid_val];
+
+	sprintf(full_path, "%s", fid->abs_path);
+	ret = remove(full_path);
+	if (ret < 0)
+		goto err_out;
+	*outlen = pdu->write_offset;
+	virtio_p9_set_reply_header(pdu, *outlen);
+	return;
+
+err_out:
+	virtio_p9_error_reply(p9dev, pdu, errno, outlen);
+	return;	
+}
+			       
 static void virtio_p9_readlink(struct p9_dev *p9dev,
 			       struct p9_pdu *pdu, u32 *outlen)
 {
@@ -1048,6 +1072,7 @@ static p9_handler *virtio_9p_dotl_handler [] = {
 	[P9_TSYMLINK]     = virtio_p9_symlink,
 	[P9_TLCREATE]     = virtio_p9_create,
 	[P9_TWRITE]       = virtio_p9_write,
+	[P9_TREMOVE]      = virtio_p9_remove,
 };
 
 static struct p9_pdu *virtio_p9_pdu_init(struct kvm *kvm, struct virt_queue *vq)
-- 
1.7.7.2

--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux