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Re: [Qemu-devel] [PATCH v2 3/6] block: Remove bdrv_reset_dirty
From: |
John Snow |
Subject: |
Re: [Qemu-devel] [PATCH v2 3/6] block: Remove bdrv_reset_dirty |
Date: |
Mon, 11 May 2015 15:11:57 -0400 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 |
On 05/06/2015 12:52 AM, Fam Zheng wrote:
> Using this function would always be wrong because a dirty bitmap must
> have a specific owner that consumes the dirty bits and calls
> bdrv_reset_dirty_bitmap().
>
Good point.
> Remove the unused function to avoid future misuse.
>
> Reviewed-by: Eric Blake <address@hidden>
> Signed-off-by: Fam Zheng <address@hidden>
> ---
> block.c | 12 ------------
> include/block/block_int.h | 2 --
> 2 files changed, 14 deletions(-)
>
> diff --git a/block.c b/block.c
> index 7904098..511e13c 100644
> --- a/block.c
> +++ b/block.c
> @@ -3324,18 +3324,6 @@ void bdrv_set_dirty(BlockDriverState *bs, int64_t
> cur_sector,
> }
> }
>
> -void bdrv_reset_dirty(BlockDriverState *bs, int64_t cur_sector,
> - int nr_sectors)
> -{
> - BdrvDirtyBitmap *bitmap;
> - QLIST_FOREACH(bitmap, &bs->dirty_bitmaps, list) {
> - if (!bdrv_dirty_bitmap_enabled(bitmap)) {
> - continue;
> - }
> - hbitmap_reset(bitmap->bitmap, cur_sector, nr_sectors);
> - }
> -}
> -
> /**
> * Advance an HBitmapIter to an arbitrary offset.
> */
> diff --git a/include/block/block_int.h b/include/block/block_int.h
> index db29b74..aaed2fa 100644
> --- a/include/block/block_int.h
> +++ b/include/block/block_int.h
> @@ -635,7 +635,5 @@ bool blk_dev_is_medium_locked(BlockBackend *blk);
> void blk_dev_resize_cb(BlockBackend *blk);
>
> void bdrv_set_dirty(BlockDriverState *bs, int64_t cur_sector, int
> nr_sectors);
> -void bdrv_reset_dirty(BlockDriverState *bs, int64_t cur_sector,
> - int nr_sectors);
>
> #endif /* BLOCK_INT_H */
>
Reviewed-by: John Snow <address@hidden>
- [Qemu-devel] [PATCH v2 0/6] block: Mirror discarded sectors, Fam Zheng, 2015/05/06
- [Qemu-devel] [PATCH v2 1/6] mirror: Discard target sectors if not allocated at source side, Fam Zheng, 2015/05/06
- [Qemu-devel] [PATCH v2 2/6] block: Fix dirty bitmap in bdrv_co_discard, Fam Zheng, 2015/05/06
- [Qemu-devel] [PATCH v2 3/6] block: Remove bdrv_reset_dirty, Fam Zheng, 2015/05/06
- Re: [Qemu-devel] [PATCH v2 3/6] block: Remove bdrv_reset_dirty,
John Snow <=
- [Qemu-devel] [PATCH v2 4/6] qemu-iotests: Make block job methods common, Fam Zheng, 2015/05/06
- [Qemu-devel] [PATCH v2 5/6] qemu-iotests: Add test case for mirror with unmap, Fam Zheng, 2015/05/06
- [Qemu-devel] [PATCH v2 6/6] iotests: Use event_wait in wait_ready, Fam Zheng, 2015/05/06
- Re: [Qemu-devel] [Qemu-block] [PATCH v2 0/6] block: Mirror discarded sectors, Stefan Hajnoczi, 2015/05/07