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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

  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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