From: Björn Jacke <bj@sernet.de>
Date: Wed, 7 Apr 2010 10:21:07 +0000 (+0200)
Subject: s3: add comment about what the FSCTL_QUERY_ALLOCATED_RANGES currently does
X-Git-Url: http://git.samba.org/?a=commitdiff_plain;h=3fdebc06465cd6493617c2b129759e08200097f7;p=abartlet%2Fsamba.git%2F.git

s3: add comment about what the FSCTL_QUERY_ALLOCATED_RANGES currently does
---

diff --git a/source3/smbd/nttrans.c b/source3/smbd/nttrans.c
index 46edc066861..a03a0b1a55b 100644
--- a/source3/smbd/nttrans.c
+++ b/source3/smbd/nttrans.c
@@ -2217,6 +2217,12 @@ static void call_nt_transact_ioctl(connection_struct *conn,
 	}
 	case FSCTL_QUERY_ALLOCATED_RANGES:
 	{
+		/* FIXME: This is just a dummy reply, telling that all of the
+		 * file is allocated. MKS cp needs that.
+		 * Adding the real allocated ranges via FIEMAP on Linux
+		 * and SEEK_DATA/SEEK_HOLE on Solaris is needed to make
+		 * this FSCTL correct for sparse files.
+		 */
 		NTSTATUS status;
 		uint64_t offset, length;