From e031f750483377a5e5de4c92af68dfa68e4d0aae Mon Sep 17 00:00:00 2001
From: Max Reitz <mreitz@redhat.com>
Date: Mon, 19 Oct 2015 17:53:11 +0200
Subject: [PATCH] block: Make bdrv_is_inserted() return a bool
Make bdrv_is_inserted(), blk_is_inserted(), and the callback
BlockDriver.bdrv_is_inserted() return a bool.
Suggested-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
block.c | 12 +++++++-----
block/block-backend.c | 2 +-
block/raw-posix.c | 8 +++-----
block/raw_bsd.c | 2 +-
include/block/block.h | 2 +-
include/block/block_int.h | 2 +-
include/sysemu/block-backend.h | 2 +-
7 files changed, 15 insertions(+), 15 deletions(-)
diff --git a/block.c b/block.c
index d1bf121ffa..bdd33383e8 100644
--- a/block.c
+++ b/block.c
@@ -3140,14 +3140,16 @@ void bdrv_invalidate_cache_all(Error **errp)
/**
* Return TRUE if the media is present
*/
-int bdrv_is_inserted(BlockDriverState *bs)
+bool bdrv_is_inserted(BlockDriverState *bs)
{
BlockDriver *drv = bs->drv;
- if (!drv)
- return 0;
- if (!drv->bdrv_is_inserted)
- return 1;
+ if (!drv) {
+ return false;
+ }
+ if (!drv->bdrv_is_inserted) {
+ return true;
+ }
return drv->bdrv_is_inserted(bs);
}
diff --git a/block/block-backend.c b/block/block-backend.c
index 225655126e..1db002c00c 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -769,7 +769,7 @@ void blk_invalidate_cache(BlockBackend *blk, Error **errp)
bdrv_invalidate_cache(blk->bs, errp);
}
-int blk_is_inserted(BlockBackend *blk)
+bool blk_is_inserted(BlockBackend *blk)
{
return bdrv_is_inserted(blk->bs);
}
diff --git a/block/raw-posix.c b/block/raw-posix.c
index 2e3db44e47..918c756c2e 100644
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -2398,15 +2398,13 @@ out:
return prio;
}
-static int cdrom_is_inserted(BlockDriverState *bs)
+static bool cdrom_is_inserted(BlockDriverState *bs)
{
BDRVRawState *s = bs->opaque;
int ret;
ret = ioctl(s->fd, CDROM_DRIVE_STATUS, CDSL_CURRENT);
- if (ret == CDS_DISC_OK)
- return 1;
- return 0;
+ return ret == CDS_DISC_OK;
}
static void cdrom_eject(BlockDriverState *bs, bool eject_flag)
@@ -2532,7 +2530,7 @@ static int cdrom_reopen(BlockDriverState *bs)
return 0;
}
-static int cdrom_is_inserted(BlockDriverState *bs)
+static bool cdrom_is_inserted(BlockDriverState *bs)
{
return raw_getlength(bs) > 0;
}
diff --git a/block/raw_bsd.c b/block/raw_bsd.c
index 63ee91164f..3c7b41387c 100644
--- a/block/raw_bsd.c
+++ b/block/raw_bsd.c
@@ -154,7 +154,7 @@ static int raw_truncate(BlockDriverState *bs, int64_t offset)
return bdrv_truncate(bs->file->bs, offset);
}
-static int raw_is_inserted(BlockDriverState *bs)
+static bool raw_is_inserted(BlockDriverState *bs)
{
return bdrv_is_inserted(bs->file->bs);
}
diff --git a/include/block/block.h b/include/block/block.h
index 84f05ad408..8340a6748e 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -399,7 +399,7 @@ int bdrv_is_read_only(BlockDriverState *bs);
int bdrv_is_sg(BlockDriverState *bs);
int bdrv_enable_write_cache(BlockDriverState *bs);
void bdrv_set_enable_write_cache(BlockDriverState *bs, bool wce);
-int bdrv_is_inserted(BlockDriverState *bs);
+bool bdrv_is_inserted(BlockDriverState *bs);
int bdrv_media_changed(BlockDriverState *bs);
void bdrv_lock_medium(BlockDriverState *bs, bool locked);
void bdrv_eject(BlockDriverState *bs, bool eject_flag);
diff --git a/include/block/block_int.h b/include/block/block_int.h
index a480f944cf..0ff6f2fe23 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -212,7 +212,7 @@ struct BlockDriver {
const char *backing_file, const char *backing_fmt);
/* removable device specific */
- int (*bdrv_is_inserted)(BlockDriverState *bs);
+ bool (*bdrv_is_inserted)(BlockDriverState *bs);
int (*bdrv_media_changed)(BlockDriverState *bs);
void (*bdrv_eject)(BlockDriverState *bs, bool eject_flag);
void (*bdrv_lock_medium)(BlockDriverState *bs, bool locked);
diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h
index 8fc960fcbf..8f2bf10f4d 100644
--- a/include/sysemu/block-backend.h
+++ b/include/sysemu/block-backend.h
@@ -130,7 +130,7 @@ int blk_is_sg(BlockBackend *blk);
int blk_enable_write_cache(BlockBackend *blk);
void blk_set_enable_write_cache(BlockBackend *blk, bool wce);
void blk_invalidate_cache(BlockBackend *blk, Error **errp);
-int blk_is_inserted(BlockBackend *blk);
+bool blk_is_inserted(BlockBackend *blk);
void blk_lock_medium(BlockBackend *blk, bool locked);
void blk_eject(BlockBackend *blk, bool eject_flag);
int blk_get_flags(BlockBackend *blk);