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[Qemu-devel] [PATCH 07/55] block: Make BlockDriver method bdrv_set_locke
From: |
Markus Armbruster |
Subject: |
[Qemu-devel] [PATCH 07/55] block: Make BlockDriver method bdrv_set_locked() return void |
Date: |
Wed, 20 Jul 2011 18:23:41 +0200 |
The only caller is bdrv_set_locked(), and it ignores the value.
Callees always return 0, except for FreeBSD's cdrom_set_locked(),
which returns -ENOTSUP when the device is in a terminally wedged
state.
Signed-off-by: Markus Armbruster <address@hidden>
---
block/raw-posix.c | 10 +++-------
block/raw.c | 3 +--
block_int.h | 2 +-
3 files changed, 5 insertions(+), 10 deletions(-)
diff --git a/block/raw-posix.c b/block/raw-posix.c
index 34b64aa..14f8f62 100644
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -1346,7 +1346,7 @@ static int cdrom_eject(BlockDriverState *bs, int
eject_flag)
return 0;
}
-static int cdrom_set_locked(BlockDriverState *bs, int locked)
+static void cdrom_set_locked(BlockDriverState *bs, int locked)
{
BDRVRawState *s = bs->opaque;
@@ -1357,8 +1357,6 @@ static int cdrom_set_locked(BlockDriverState *bs, int
locked)
*/
/* perror("CDROM_LOCKDOOR"); */
}
-
- return 0;
}
static BlockDriver bdrv_host_cdrom = {
@@ -1467,12 +1465,12 @@ static int cdrom_eject(BlockDriverState *bs, int
eject_flag)
return 0;
}
-static int cdrom_set_locked(BlockDriverState *bs, int locked)
+static void cdrom_set_locked(BlockDriverState *bs, int locked)
{
BDRVRawState *s = bs->opaque;
if (s->fd < 0)
- return -ENOTSUP;
+ return;
if (ioctl(s->fd, (locked ? CDIOCPREVENT : CDIOCALLOW)) < 0) {
/*
* Note: an error can happen if the distribution automatically
@@ -1480,8 +1478,6 @@ static int cdrom_set_locked(BlockDriverState *bs, int
locked)
*/
/* perror("CDROM_LOCKDOOR"); */
}
-
- return 0;
}
static BlockDriver bdrv_host_cdrom = {
diff --git a/block/raw.c b/block/raw.c
index b0f72d6..1398a9c 100644
--- a/block/raw.c
+++ b/block/raw.c
@@ -80,10 +80,9 @@ static int raw_eject(BlockDriverState *bs, int eject_flag)
return bdrv_eject(bs->file, eject_flag);
}
-static int raw_set_locked(BlockDriverState *bs, int locked)
+static void raw_set_locked(BlockDriverState *bs, int locked)
{
bdrv_set_locked(bs->file, locked);
- return 0;
}
static int raw_ioctl(BlockDriverState *bs, unsigned long int req, void *buf)
diff --git a/block_int.h b/block_int.h
index f5d67c1..69cf222 100644
--- a/block_int.h
+++ b/block_int.h
@@ -111,7 +111,7 @@ struct BlockDriver {
int (*bdrv_is_inserted)(BlockDriverState *bs);
int (*bdrv_media_changed)(BlockDriverState *bs);
int (*bdrv_eject)(BlockDriverState *bs, int eject_flag);
- int (*bdrv_set_locked)(BlockDriverState *bs, int locked);
+ void (*bdrv_set_locked)(BlockDriverState *bs, int locked);
/* to control generic scsi devices */
int (*bdrv_ioctl)(BlockDriverState *bs, unsigned long int req, void *buf);
--
1.7.2.3
- Re: [Qemu-devel] [PATCH 23/55] block: Show whether the guest ejected the medium in info block, (continued)
[Qemu-devel] [PATCH 26/55] scsi-disk: Track tray locked state, Markus Armbruster, 2011/07/20
[Qemu-devel] [PATCH 14/55] ide: Reject ATA commands specific to drive kinds, Markus Armbruster, 2011/07/20
[Qemu-devel] [PATCH 10/55] ide: Update command code definitions as per ACS-2 Table B.2, Markus Armbruster, 2011/07/20
[Qemu-devel] [PATCH 07/55] block: Make BlockDriver method bdrv_set_locked() return void,
Markus Armbruster <=
[Qemu-devel] [PATCH 33/55] ide/atapi: Avoid physical/virtual tray state mismatch, Markus Armbruster, 2011/07/20
[Qemu-devel] [PATCH 03/55] block: Attach non-qdev devices as well, Markus Armbruster, 2011/07/20
[Qemu-devel] [PATCH 11/55] ide: Clean up case label indentation in ide_exec_cmd(), Markus Armbruster, 2011/07/20
[Qemu-devel] [PATCH 18/55] scsi-disk: Reject CD-specific SCSI commands to disks, Markus Armbruster, 2011/07/20