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block/vmdk: Improve error messages on extent write error

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vmdk_init_extent() reports blk_co_pwrite() failure to its caller as

    An IO error has occurred

The errno code returned by blk_co_pwrite() is lost.

Improve this to

    failed to write VMDK <what>: <description of errno>

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240513141703.549874-4-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
This commit is contained in:
Markus Armbruster 2024-05-13 16:17:00 +02:00
parent 21c06f5780
commit 29ad187c1c
1 changed files with 5 additions and 5 deletions
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10
block/vmdk.c
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@ -28,7 +28,6 @@
#include "block/block_int.h"
#include "sysemu/block-backend.h"
#include "qapi/qmp/qdict.h"
#include "qapi/qmp/qerror.h"
#include "qemu/error-report.h"
#include "qemu/module.h"
#include "qemu/option.h"
@ -2278,12 +2277,12 @@ vmdk_init_extent(BlockBackend *blk, int64_t filesize, bool flat, bool compress,
/* write all the data */
ret = blk_co_pwrite(blk, 0, sizeof(magic), &magic, 0);
if (ret < 0) {
error_setg(errp, QERR_IO_ERROR);
error_setg_errno(errp, -ret, "failed to write VMDK magic");
goto exit;
}
ret = blk_co_pwrite(blk, sizeof(magic), sizeof(header), &header, 0);
if (ret < 0) {
error_setg(errp, QERR_IO_ERROR);
error_setg_errno(errp, -ret, "failed to write VMDK header");
goto exit;
}
@ -2303,7 +2302,7 @@ vmdk_init_extent(BlockBackend *blk, int64_t filesize, bool flat, bool compress,
ret = blk_co_pwrite(blk, le64_to_cpu(header.rgd_offset) * BDRV_SECTOR_SIZE,
gd_buf_size, gd_buf, 0);
if (ret < 0) {
error_setg(errp, QERR_IO_ERROR);
error_setg_errno(errp, -ret, "failed to write VMDK grain directory");
goto exit;
}
@ -2315,7 +2314,8 @@ vmdk_init_extent(BlockBackend *blk, int64_t filesize, bool flat, bool compress,
ret = blk_co_pwrite(blk, le64_to_cpu(header.gd_offset) * BDRV_SECTOR_SIZE,
gd_buf_size, gd_buf, 0);
if (ret < 0) {
error_setg(errp, QERR_IO_ERROR);
error_setg_errno(errp, -ret,
"failed to write VMDK backup grain directory");
}
ret = 0;