You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
146 lines
4.4 KiB
146 lines
4.4 KiB
From 4af86458d6bea2a6e15fd57d4d4bbe88e35f7e72 Mon Sep 17 00:00:00 2001
|
|
From: Hanna Reitz <hreitz@redhat.com>
|
|
Date: Mon, 20 Jun 2022 18:26:54 +0200
|
|
Subject: [PATCH 07/20] block/file: Add file-specific image info
|
|
|
|
RH-Author: Hanna Czenczek <hreitz@redhat.com>
|
|
RH-MergeRequest: 145: Show protocol-level information in qemu-img info
|
|
RH-Bugzilla: 1860292
|
|
RH-Acked-by: Kevin Wolf <kwolf@redhat.com>
|
|
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
|
|
RH-Acked-by: Stefano Garzarella <sgarzare@redhat.com>
|
|
RH-Commit: [2/12] d8cc351d6c16c41b2000e41dc555f13093a9edce (hreitz/qemu-kvm-c-9-s)
|
|
|
|
Add some (optional) information that the file driver can provide for
|
|
image files, namely the extent size hint.
|
|
|
|
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
|
|
Message-Id: <20220620162704.80987-3-hreitz@redhat.com>
|
|
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
|
|
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
|
|
(cherry picked from commit 7f36a50ab4e7d39369cac67be4ba9d6ee4081dc0)
|
|
Signed-off-by: Hanna Czenczek <hreitz@redhat.com>
|
|
---
|
|
block/file-posix.c | 30 ++++++++++++++++++++++++++++++
|
|
qapi/block-core.json | 26 ++++++++++++++++++++++++--
|
|
2 files changed, 54 insertions(+), 2 deletions(-)
|
|
|
|
diff --git a/block/file-posix.c b/block/file-posix.c
|
|
index b9647c5ffc..df3da79aed 100644
|
|
--- a/block/file-posix.c
|
|
+++ b/block/file-posix.c
|
|
@@ -3095,6 +3095,34 @@ static int raw_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
|
|
return 0;
|
|
}
|
|
|
|
+static ImageInfoSpecific *raw_get_specific_info(BlockDriverState *bs,
|
|
+ Error **errp)
|
|
+{
|
|
+ ImageInfoSpecificFile *file_info = g_new0(ImageInfoSpecificFile, 1);
|
|
+ ImageInfoSpecific *spec_info = g_new(ImageInfoSpecific, 1);
|
|
+
|
|
+ *spec_info = (ImageInfoSpecific){
|
|
+ .type = IMAGE_INFO_SPECIFIC_KIND_FILE,
|
|
+ .u.file.data = file_info,
|
|
+ };
|
|
+
|
|
+#ifdef FS_IOC_FSGETXATTR
|
|
+ {
|
|
+ BDRVRawState *s = bs->opaque;
|
|
+ struct fsxattr attr;
|
|
+ int ret;
|
|
+
|
|
+ ret = ioctl(s->fd, FS_IOC_FSGETXATTR, &attr);
|
|
+ if (!ret && attr.fsx_extsize != 0) {
|
|
+ file_info->has_extent_size_hint = true;
|
|
+ file_info->extent_size_hint = attr.fsx_extsize;
|
|
+ }
|
|
+ }
|
|
+#endif
|
|
+
|
|
+ return spec_info;
|
|
+}
|
|
+
|
|
static BlockStatsSpecificFile get_blockstats_specific_file(BlockDriverState *bs)
|
|
{
|
|
BDRVRawState *s = bs->opaque;
|
|
@@ -3328,6 +3356,7 @@ BlockDriver bdrv_file = {
|
|
.bdrv_co_truncate = raw_co_truncate,
|
|
.bdrv_getlength = raw_getlength,
|
|
.bdrv_get_info = raw_get_info,
|
|
+ .bdrv_get_specific_info = raw_get_specific_info,
|
|
.bdrv_get_allocated_file_size
|
|
= raw_get_allocated_file_size,
|
|
.bdrv_get_specific_stats = raw_get_specific_stats,
|
|
@@ -3700,6 +3729,7 @@ static BlockDriver bdrv_host_device = {
|
|
.bdrv_co_truncate = raw_co_truncate,
|
|
.bdrv_getlength = raw_getlength,
|
|
.bdrv_get_info = raw_get_info,
|
|
+ .bdrv_get_specific_info = raw_get_specific_info,
|
|
.bdrv_get_allocated_file_size
|
|
= raw_get_allocated_file_size,
|
|
.bdrv_get_specific_stats = hdev_get_specific_stats,
|
|
diff --git a/qapi/block-core.json b/qapi/block-core.json
|
|
index 95ac4fa634..f5d822cbd6 100644
|
|
--- a/qapi/block-core.json
|
|
+++ b/qapi/block-core.json
|
|
@@ -139,16 +139,29 @@
|
|
'*encryption-format': 'RbdImageEncryptionFormat'
|
|
} }
|
|
|
|
+##
|
|
+# @ImageInfoSpecificFile:
|
|
+#
|
|
+# @extent-size-hint: Extent size hint (if available)
|
|
+#
|
|
+# Since: 8.0
|
|
+##
|
|
+{ 'struct': 'ImageInfoSpecificFile',
|
|
+ 'data': {
|
|
+ '*extent-size-hint': 'size'
|
|
+ } }
|
|
+
|
|
##
|
|
# @ImageInfoSpecificKind:
|
|
#
|
|
# @luks: Since 2.7
|
|
# @rbd: Since 6.1
|
|
+# @file: Since 8.0
|
|
#
|
|
# Since: 1.7
|
|
##
|
|
{ 'enum': 'ImageInfoSpecificKind',
|
|
- 'data': [ 'qcow2', 'vmdk', 'luks', 'rbd' ] }
|
|
+ 'data': [ 'qcow2', 'vmdk', 'luks', 'rbd', 'file' ] }
|
|
|
|
##
|
|
# @ImageInfoSpecificQCow2Wrapper:
|
|
@@ -185,6 +198,14 @@
|
|
{ 'struct': 'ImageInfoSpecificRbdWrapper',
|
|
'data': { 'data': 'ImageInfoSpecificRbd' } }
|
|
|
|
+##
|
|
+# @ImageInfoSpecificFileWrapper:
|
|
+#
|
|
+# Since: 8.0
|
|
+##
|
|
+{ 'struct': 'ImageInfoSpecificFileWrapper',
|
|
+ 'data': { 'data': 'ImageInfoSpecificFile' } }
|
|
+
|
|
##
|
|
# @ImageInfoSpecific:
|
|
#
|
|
@@ -199,7 +220,8 @@
|
|
'qcow2': 'ImageInfoSpecificQCow2Wrapper',
|
|
'vmdk': 'ImageInfoSpecificVmdkWrapper',
|
|
'luks': 'ImageInfoSpecificLUKSWrapper',
|
|
- 'rbd': 'ImageInfoSpecificRbdWrapper'
|
|
+ 'rbd': 'ImageInfoSpecificRbdWrapper',
|
|
+ 'file': 'ImageInfoSpecificFileWrapper'
|
|
} }
|
|
|
|
##
|
|
--
|
|
2.31.1
|
|
|