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[Qemu-devel] [PATCHv4 05/17] block/raw: add bdrv_has_discard_zeroes and
From: |
Peter Lieven |
Subject: |
[Qemu-devel] [PATCHv4 05/17] block/raw: add bdrv_has_discard_zeroes and bdrv_has_discard_write_zeroes |
Date: |
Tue, 8 Oct 2013 13:57:59 +0200 |
Reviewed-by: Eric Blake <address@hidden>
Signed-off-by: Peter Lieven <address@hidden>
---
block/raw_bsd.c | 56 +++++++++++++++++++++++++++++++++----------------------
1 file changed, 34 insertions(+), 22 deletions(-)
diff --git a/block/raw_bsd.c b/block/raw_bsd.c
index d5ab295..8dc7bba 100644
--- a/block/raw_bsd.c
+++ b/block/raw_bsd.c
@@ -131,6 +131,16 @@ static int raw_has_zero_init(BlockDriverState *bs)
return bdrv_has_zero_init(bs->file);
}
+static bool raw_has_discard_zeroes(BlockDriverState *bs)
+{
+ return bdrv_has_discard_zeroes(bs->file);
+}
+
+static bool raw_has_discard_write_zeroes(BlockDriverState *bs)
+{
+ return bdrv_has_discard_write_zeroes(bs->file);
+}
+
static int raw_create(const char *filename, QEMUOptionParameter *options,
Error **errp)
{
@@ -165,28 +175,30 @@ static int raw_probe(const uint8_t *buf, int buf_size,
const char *filename)
}
static BlockDriver bdrv_raw = {
- .format_name = "raw",
- .bdrv_probe = &raw_probe,
- .bdrv_reopen_prepare = &raw_reopen_prepare,
- .bdrv_open = &raw_open,
- .bdrv_close = &raw_close,
- .bdrv_create = &raw_create,
- .bdrv_co_readv = &raw_co_readv,
- .bdrv_co_writev = &raw_co_writev,
- .bdrv_co_write_zeroes = &raw_co_write_zeroes,
- .bdrv_co_discard = &raw_co_discard,
- .bdrv_co_get_block_status = &raw_co_get_block_status,
- .bdrv_truncate = &raw_truncate,
- .bdrv_getlength = &raw_getlength,
- .bdrv_get_info = &raw_get_info,
- .bdrv_is_inserted = &raw_is_inserted,
- .bdrv_media_changed = &raw_media_changed,
- .bdrv_eject = &raw_eject,
- .bdrv_lock_medium = &raw_lock_medium,
- .bdrv_ioctl = &raw_ioctl,
- .bdrv_aio_ioctl = &raw_aio_ioctl,
- .create_options = &raw_create_options[0],
- .bdrv_has_zero_init = &raw_has_zero_init
+ .format_name = "raw",
+ .bdrv_probe = &raw_probe,
+ .bdrv_reopen_prepare = &raw_reopen_prepare,
+ .bdrv_open = &raw_open,
+ .bdrv_close = &raw_close,
+ .bdrv_create = &raw_create,
+ .bdrv_co_readv = &raw_co_readv,
+ .bdrv_co_writev = &raw_co_writev,
+ .bdrv_co_write_zeroes = &raw_co_write_zeroes,
+ .bdrv_co_discard = &raw_co_discard,
+ .bdrv_co_get_block_status = &raw_co_get_block_status,
+ .bdrv_truncate = &raw_truncate,
+ .bdrv_getlength = &raw_getlength,
+ .bdrv_get_info = &raw_get_info,
+ .bdrv_is_inserted = &raw_is_inserted,
+ .bdrv_media_changed = &raw_media_changed,
+ .bdrv_eject = &raw_eject,
+ .bdrv_lock_medium = &raw_lock_medium,
+ .bdrv_ioctl = &raw_ioctl,
+ .bdrv_aio_ioctl = &raw_aio_ioctl,
+ .create_options = &raw_create_options[0],
+ .bdrv_has_zero_init = &raw_has_zero_init,
+ .bdrv_has_discard_zeroes = &raw_has_discard_zeroes,
+ .bdrv_has_discard_write_zeroes = &raw_has_discard_write_zeroes,
};
static void bdrv_raw_init(void)
--
1.7.9.5
- [Qemu-devel] [PATCHv4 00/17] block: logical block provisioning enhancements, Peter Lieven, 2013/10/08
- [Qemu-devel] [PATCHv4 05/17] block/raw: add bdrv_has_discard_zeroes and bdrv_has_discard_write_zeroes,
Peter Lieven <=
- [Qemu-devel] [PATCHv4 03/17] block: introduce BDRV_REQ_MAY_UNMAP request flag, Peter Lieven, 2013/10/08
- [Qemu-devel] [PATCHv4 01/17] block: make BdrvRequestFlags public, Peter Lieven, 2013/10/08
- [Qemu-devel] [PATCHv4 02/17] block: add flags to bdrv_*_write_zeroes, Peter Lieven, 2013/10/08
- [Qemu-devel] [PATCHv4 08/17] block: honour BlockLimits in bdrv_co_discard, Peter Lieven, 2013/10/08
- [Qemu-devel] [PATCHv4 06/17] block: add BlockLimits structure to BlockDriverState, Peter Lieven, 2013/10/08
- [Qemu-devel] [PATCHv4 07/17] block: honour BlockLimits in bdrv_co_do_write_zeroes, Peter Lieven, 2013/10/08
- [Qemu-devel] [PATCHv4 09/17] iscsi: simplify iscsi_co_discard, Peter Lieven, 2013/10/08
- [Qemu-devel] [PATCHv4 11/17] iscsi: add bdrv_has_discard_zeroes and bdrv_has_discard_write_zeroes, Peter Lieven, 2013/10/08
- [Qemu-devel] [PATCHv4 04/17] block: introduce bdrv_has_discard_zeroes and bdrv_has_discard_write_zeroes, Peter Lieven, 2013/10/08
- [Qemu-devel] [PATCHv4 10/17] iscsi: set limits in BlockDriverState, Peter Lieven, 2013/10/08