From: Peter Lieven <pl@kamp.de>
To: qemu-devel@nongnu.org
Cc: kwolf@redhat.com, ronniesahlberg@gmail.com,
Peter Lieven <pl@kamp.de>,
stefanha@redhat.com, anthony@codemonkey.ws, pbonzini@redhat.com
Subject: [Qemu-devel] [PATCHv2 05/20] block/raw: add bdrv_has_discard_zeroes and bdrv_has_discard_write_zeroes
Date: Tue, 17 Sep 2013 15:48:41 +0200 [thread overview]
Message-ID: <1379425736-11326-6-git-send-email-pl@kamp.de> (raw)
In-Reply-To: <1379425736-11326-1-git-send-email-pl@kamp.de>
Signed-off-by: Peter Lieven <pl@kamp.de>
---
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 bd4811b..0bfa5fc 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 int raw_has_discard_zeroes(BlockDriverState *bs)
+{
+ return bdrv_has_discard_zeroes(bs->file);
+}
+
+static int raw_has_discard_write_zeroes(BlockDriverState *bs)
+{
+ return bdrv_has_discard_write_zeroes(bs->file);
+}
+
static int raw_create(const char *filename, QEMUOptionParameter *options)
{
return bdrv_create_file(filename, options);
@@ -155,28 +165,30 @@ 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
next prev parent reply other threads:[~2013-09-17 13:51 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-17 13:48 [Qemu-devel] [PATCHv2 00/20] block: logical block provisioning enhancements Peter Lieven
2013-09-17 13:48 ` [Qemu-devel] [PATCHv2 01/20] block: make BdrvRequestFlags public Peter Lieven
2013-09-17 13:48 ` [Qemu-devel] [PATCHv2 02/20] block: add flags to bdrv_*_write_zeroes Peter Lieven
2013-09-17 13:48 ` [Qemu-devel] [PATCHv2 03/20] block: introduce BDRV_REQ_MAY_UNMAP request flag Peter Lieven
2013-09-19 12:02 ` Eric Blake
2013-09-17 13:48 ` [Qemu-devel] [PATCHv2 04/20] block: introduce bdrv_has_discard_zeroes and bdrv_has_discard_write_zeroes Peter Lieven
2013-09-19 14:46 ` Eric Blake
2013-09-17 13:48 ` Peter Lieven [this message]
2013-09-19 18:48 ` [Qemu-devel] [PATCHv2 05/20] block/raw: add " Eric Blake
2013-09-17 13:48 ` [Qemu-devel] [PATCHv2 06/20] block: add discard and write_zeroes limits and alignment to BlockDriverState Peter Lieven
2013-09-19 18:53 ` Eric Blake
2013-09-19 19:11 ` Peter Lieven
2013-09-17 13:48 ` [Qemu-devel] [PATCHv2 07/20] block: honour alignment and limit in bdrv_co_do_write_zeroes Peter Lieven
2013-09-19 20:07 ` Eric Blake
2013-09-19 21:57 ` Peter Lieven
2013-09-17 13:48 ` [Qemu-devel] [PATCHv2 08/20] block: honour alignment and limit in bdrv_co_discard Peter Lieven
2013-09-19 20:09 ` Eric Blake
2013-09-17 13:48 ` [Qemu-devel] [PATCHv2 09/20] iscsi: simplify iscsi_co_discard Peter Lieven
2013-09-19 20:12 ` Eric Blake
2013-09-17 13:48 ` [Qemu-devel] [PATCHv2 10/20] iscsi: set limits in BlockDriverState Peter Lieven
2013-09-19 20:14 ` Eric Blake
2013-09-17 13:48 ` [Qemu-devel] [PATCHv2 11/20] iscsi: add bdrv_has_discard_zeroes and bdrv_has_discard_write_zeroes Peter Lieven
2013-09-19 20:17 ` Eric Blake
2013-09-17 13:48 ` [Qemu-devel] [PATCHv2 12/20] iscsi: add bdrv_co_write_zeroes Peter Lieven
2013-09-19 20:19 ` Eric Blake
2013-09-17 13:48 ` [Qemu-devel] [PATCHv2 13/20] block: introduce bdrv_zeroize Peter Lieven
2013-09-19 20:26 ` Eric Blake
2013-09-19 21:52 ` Peter Lieven
2013-09-17 13:48 ` [Qemu-devel] [PATCHv2 14/20] block/get_block_status: set *pnum = 0 on error Peter Lieven
2013-09-17 13:48 ` [Qemu-devel] [PATCHv2 15/20] block/get_block_status: avoid segfault if there is no backing_hd Peter Lieven
2013-09-17 13:48 ` [Qemu-devel] [PATCHv2 16/20] block/get_block_status: avoid redundant callouts on raw devices Peter Lieven
2013-09-17 13:48 ` [Qemu-devel] [PATCHv2 17/20] block/get_block_status: fix BDRV_BLOCK_ZERO for unallocated blocks Peter Lieven
2013-09-19 20:30 ` Eric Blake
2013-09-17 13:48 ` [Qemu-devel] [PATCHv2 18/20] qemu-img: add support for fully allocated images Peter Lieven
2013-09-19 20:36 ` Eric Blake
2013-09-19 21:50 ` Peter Lieven
2013-09-17 13:48 ` [Qemu-devel] [PATCHv2 19/20] qemu-img: conditionally zero out target on convert Peter Lieven
2013-09-19 20:39 ` Eric Blake
2013-09-17 13:48 ` [Qemu-devel] [PATCHv2 20/20] block/raw: copy block limits and alignment information on raw_open Peter Lieven
2013-09-18 8:48 ` Paolo Bonzini
2013-09-19 7:29 ` Peter Lieven
2013-09-19 14:44 ` Paolo Bonzini
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