Attachment 6142 Details for Bug 7815 – 0004-s3-smbd-add-file_set_sparse-function.patch

[patch] 0004-s3-smbd-add-file_set_sparse-function.patch

0004-s3-smbd-add-file_set_sparse-function.patch (text/plain), 2.73 KB, created by Björn Jacke on 2010-12-16 17:29:19 UTC

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Creator: Björn Jacke

Created: 2010-12-16 17:29:19 UTC

Size: 2.73 KB

patch

obsolete

>From d2c3fd1cf1f668920facfb18cc89d3093260d4e0 Mon Sep 17 00:00:00 2001
>From: =?UTF-8?q?Bj=C3=B6rn=20Jacke?= <bj@sernet.de>
>Date: Tue, 14 Dec 2010 10:03:07 +0100
>Subject: [PATCH 4/8] s3:smbd: add file_set_sparse() function
>
>this is based on a patch for 3.3 from metze
>---
> source3/include/proto.h |    3 ++
> source3/smbd/dosmode.c  |   49 +++++++++++++++++++++++++++++++++++++++++++++++
> 2 files changed, 52 insertions(+), 0 deletions(-)
>
>diff --git a/source3/include/proto.h b/source3/include/proto.h
>index 9b41321..53c1f5d 100644
>--- a/source3/include/proto.h
>+++ b/source3/include/proto.h
>@@ -4620,6 +4620,9 @@ int dos_attributes_to_stat_dos_flags(uint32_t dosmode);
> uint32 dos_mode(connection_struct *conn, struct smb_filename *smb_fname);
> int file_set_dosmode(connection_struct *conn, struct smb_filename *smb_fname,
> 		     uint32 dosmode, const char *parent_dir, bool newfile);
>+NTSTATUS file_set_sparse(connection_struct *conn,
>+			 struct smb_filename *smb_fname,
>+			 bool sparse);
> int file_ntimes(connection_struct *conn, const struct smb_filename *smb_fname,
> 		struct smb_file_time *ft);
> bool set_sticky_write_time_path(struct file_id fileid, struct timespec mtime);
>diff --git a/source3/smbd/dosmode.c b/source3/smbd/dosmode.c
>index 2fafb15..5d6e4b4 100644
>--- a/source3/smbd/dosmode.c
>+++ b/source3/smbd/dosmode.c
>@@ -846,6 +846,55 @@ int file_set_dosmode(connection_struct *conn, struct smb_filename *smb_fname,
> 	return( ret );
> }
> 
>+
>+NTSTATUS file_set_sparse(connection_struct *conn,
>+			 struct smb_filename *smb_fname,
>+			 bool sparse)
>+{
>+	SMB_STRUCT_STAT st;
>+	uint32_t old_dosmode;
>+	uint32_t new_dosmode;
>+
>+	DEBUG(10,("file_set_sparse: setting sparse bit %u on file %s\n",
>+		  sparse, smb_fname_str_dbg(smb_fname)));
>+
>+	if (!lp_store_dos_attributes(SNUM(conn))) {
>+		return NT_STATUS_INVALID_DEVICE_REQUEST;
>+	}
>+
>+	SET_STAT_INVALID(st);
>+
>+	if (SMB_VFS_STAT(conn, smb_fname)) {
>+		return map_nt_error_from_unix(errno);
>+	}
>+
>+	old_dosmode = dos_mode(conn, smb_fname);
>+
>+	if (sparse && !(old_dosmode & FILE_ATTRIBUTE_SPARSE)) {
>+		new_dosmode = old_dosmode | FILE_ATTRIBUTE_SPARSE;
>+	} else if (!sparse && (old_dosmode & FILE_ATTRIBUTE_SPARSE)) {
>+		new_dosmode = old_dosmode & ~FILE_ATTRIBUTE_SPARSE;
>+	} else {
>+		return NT_STATUS_OK;
>+	}
>+
>+	/* Store the DOS attributes in an EA. */
>+	if (!set_ea_dos_attribute(conn, smb_fname,
>+				  new_dosmode)) {
>+		if (errno == 0) {
>+			errno = EIO;
>+		}
>+		return map_nt_error_from_unix(errno);
>+	}
>+
>+	notify_fname(conn, NOTIFY_ACTION_MODIFIED,
>+		     FILE_NOTIFY_CHANGE_ATTRIBUTES,
>+		     smb_fname->base_name);
>+
>+	return NT_STATUS_OK;
>+}
>+
>+
> /*******************************************************************
>  Wrapper around the VFS ntimes that possibly allows DOS semantics rather
>  than POSIX.
>-- 
>1.7.3.1
>

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