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[PATCH] dm: consolidate creation functions

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Merge dm_create() and dm_create_with_minor() by introducing the special value
DM_ANY_MINOR to request the allocation of the next available minor number.

Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Alasdair G Kergon
2006-06-26 00:27:32 -07:00
committed by Linus Torvalds
parent 814d68629b
commit 2b06cfff12
3 changed files with 26 additions and 31 deletions
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9
drivers/md/dm-ioctl.c
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@@ -1,6 +1,6 @@
/*
* Copyright (C) 2001, 2002 Sistina Software (UK) Limited.
* Copyright (C) 2004 - 2005 Red Hat, Inc. All rights reserved.
* Copyright (C) 2004 - 2006 Red Hat, Inc. All rights reserved.
*
* This file is released under the GPL.
*/
@@ -578,7 +578,7 @@ static int __dev_status(struct mapped_device *md, struct dm_ioctl *param)
static int dev_create(struct dm_ioctl *param, size_t param_size)
{
int r;
int r, m = DM_ANY_MINOR;
struct mapped_device *md;
r = check_name(param->name);
@@ -586,10 +586,9 @@ static int dev_create(struct dm_ioctl *param, size_t param_size)
return r;
if (param->flags & DM_PERSISTENT_DEV_FLAG)
r = dm_create_with_minor(MINOR(huge_decode_dev(param->dev)), &md);
else
r = dm_create(&md);
m = MINOR(huge_decode_dev(param->dev));
r = dm_create(m, &md);
if (r)
return r;