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[Qemu-devel] [PATCH 11/19] block: Add bdrv_make_absolute_filename()
From: |
Max Reitz |
Subject: |
[Qemu-devel] [PATCH 11/19] block: Add bdrv_make_absolute_filename() |
Date: |
Tue, 26 Apr 2016 23:32:10 +0200 |
This is a general function for making a filename that is relative to a
certain BDS absolute.
It calls bdrv_get_full_backing_filename_from_filename() for now, but
that will be changed in a follow-up patch.
Signed-off-by: Max Reitz <address@hidden>
---
block.c | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/block.c b/block.c
index 083f4ae..49dc2cb 100644
--- a/block.c
+++ b/block.c
@@ -218,15 +218,22 @@ char *bdrv_get_full_backing_filename_from_filename(const
char *backed,
}
}
-char *bdrv_get_full_backing_filename(BlockDriverState *bs, Error **errp)
+static char *bdrv_make_absolute_filename(BlockDriverState *relative_to,
+ const char *filename, Error **errp)
{
- char *backed = bs->exact_filename[0] ? bs->exact_filename : bs->filename;
+ char *bs_filename = relative_to->exact_filename[0]
+ ? relative_to->exact_filename
+ : relative_to->filename;
- return bdrv_get_full_backing_filename_from_filename(backed,
- bs->backing_file,
+ return bdrv_get_full_backing_filename_from_filename(bs_filename, filename,
errp);
}
+char *bdrv_get_full_backing_filename(BlockDriverState *bs, Error **errp)
+{
+ return bdrv_make_absolute_filename(bs, bs->backing_file, errp);
+}
+
void bdrv_register(BlockDriver *bdrv)
{
bdrv_setup_io_funcs(bdrv);
--
2.8.0
- [Qemu-devel] [PATCH 04/19] block: Add bdrv_default_refresh_format_filename, (continued)
- [Qemu-devel] [PATCH 04/19] block: Add bdrv_default_refresh_format_filename, Max Reitz, 2016/04/26
- [Qemu-devel] [PATCH 03/19] block: Respect backing bs in bdrv_refresh_filename, Max Reitz, 2016/04/26
- [Qemu-devel] [PATCH 05/19] block: Add bdrv_default_refresh_protocol_filename, Max Reitz, 2016/04/26
- [Qemu-devel] [PATCH 09/19] block: bdrv_get_full_backing_filename_from_...'s ret. val., Max Reitz, 2016/04/26
- [Qemu-devel] [PATCH 06/19] block: Make bdrv_default_refresh_format_filename public, Max Reitz, 2016/04/26
- [Qemu-devel] [PATCH 07/19] qcow2: Implement bdrv_refresh_filename(), Max Reitz, 2016/04/26
- [Qemu-devel] [PATCH 10/19] block: bdrv_get_full_backing_filename's ret. val., Max Reitz, 2016/04/26
- [Qemu-devel] [PATCH 12/19] block: Fix bdrv_find_backing_image(), Max Reitz, 2016/04/26
- [Qemu-devel] [PATCH 08/19] block: Make path_combine() return the path, Max Reitz, 2016/04/26
- [Qemu-devel] [PATCH 15/19] quorum: Make bdrv_dirname() return NULL, Max Reitz, 2016/04/26
- [Qemu-devel] [PATCH 11/19] block: Add bdrv_make_absolute_filename(),
Max Reitz <=
- [Qemu-devel] [PATCH 13/19] block: Add bdrv_dirname(), Max Reitz, 2016/04/26
- [Qemu-devel] [PATCH 14/19] blkverify: Make bdrv_dirname() return NULL, Max Reitz, 2016/04/26
- [Qemu-devel] [PATCH 16/19] block/nbd: Implement bdrv_dirname(), Max Reitz, 2016/04/26
- [Qemu-devel] [PATCH 17/19] block: Use bdrv_dirname() for relative filenames, Max Reitz, 2016/04/26
- [Qemu-devel] [PATCH 18/19] block: Add 'base-directory' BDS option, Max Reitz, 2016/04/26
- [Qemu-devel] [PATCH 19/19] iotests: Add quorum case to test 110, Max Reitz, 2016/04/26