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Block patches for 2.3 

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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block patches for 2.3

# gpg: Signature made Fri 23 Jan 2015 17:53:06 GMT using RSA key ID C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"

* remotes/kevin/tags/for-upstream:
  iotests: Lower 064's memory usage
  block: vhdx - force FileOffsetMB field to '0' for certain block states
  block: update string sizes for filename,backing_file,exact_filename
  block: mirror - change string allocation to 2-bytes
  block: remove unused variable in bdrv_commit
  block: qapi - move string allocation from stack to the heap
  block: vmdk - move string allocations from stack to the heap
  block: vmdk - make ret variable usage clear
  iotests: Add tests for more corruption cases
  qcow2: Add two more unalignment checks
  virtio-blk: Use blk_aio_ioctl
  virtio-blk: Pass req to virtio_blk_handle_scsi_req

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2015-01-23 18:25:30 +00:00
parent a46b3aaf6b bc63781ca3
commit d109f80af3
17 changed files with 239 additions and 98 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
block.c
View File

@ -2207,7 +2207,6 @@ int bdrv_commit(BlockDriverState *bs)
int n, ro, open_flags;
int ret = 0;
uint8_t *buf = NULL;
char filename[PATH_MAX];
if (!drv)
return -ENOMEDIUM;
@ -2222,8 +2221,6 @@ int bdrv_commit(BlockDriverState *bs)
}
ro = bs->backing_hd->read_only;
/* Use pstrcpy (not strncpy): filename must be NUL-terminated. */
pstrcpy(filename, sizeof(filename), bs->backing_hd->filename);
open_flags = bs->backing_hd->open_flags;
if (ro) {

3
block/mirror.c
View File

@ -378,7 +378,8 @@ static void coroutine_fn mirror_run(void *opaque)
int64_t sector_num, end, sectors_per_chunk, length;
uint64_t last_pause_ns;
BlockDriverInfo bdi;
char backing_filename[1024];
char backing_filename[2]; /* we only need 2 characters because we are only
checking for a NULL string */
int ret = 0;
int n;

7
block/qapi.c
View File

@ -175,7 +175,6 @@ void bdrv_query_image_info(BlockDriverState *bs,
{
int64_t size;
const char *backing_filename;
char backing_filename2[1024];
BlockDriverInfo bdi;
int ret;
Error *err = NULL;
@ -211,13 +210,14 @@ void bdrv_query_image_info(BlockDriverState *bs,
backing_filename = bs->backing_file;
if (backing_filename[0] != '\0') {
char *backing_filename2 = g_malloc0(PATH_MAX);
info->backing_filename = g_strdup(backing_filename);
info->has_backing_filename = true;
bdrv_get_full_backing_filename(bs, backing_filename2,
sizeof(backing_filename2), &err);
bdrv_get_full_backing_filename(bs, backing_filename2, PATH_MAX, &err);
if (err) {
error_propagate(errp, err);
qapi_free_ImageInfo(info);
g_free(backing_filename2);
return;
}
@ -231,6 +231,7 @@ void bdrv_query_image_info(BlockDriverState *bs,
info->backing_filename_format = g_strdup(bs->backing_format);
info->has_backing_filename_format = true;
}
g_free(backing_filename2);
}
ret = bdrv_query_snapshot_info_list(bs, &info->snapshots, &err);

2
block/qcow.c
View File

@ -215,7 +215,7 @@ static int qcow_open(BlockDriverState *bs, QDict *options, int flags,
/* read the backing file name */
if (header.backing_file_offset != 0) {
len = header.backing_file_size;
if (len > 1023) {
if (len > 1023 || len > sizeof(bs->backing_file)) {
error_setg(errp, "Backing file name too long");
ret = -EINVAL;
goto fail;

21
block/qcow2-cluster.c
View File

@ -1651,6 +1651,14 @@ static int expand_zero_clusters_in_l1(BlockDriverState *bs, uint64_t *l1_table,
continue;
}
if (offset_into_cluster(s, l2_offset)) {
qcow2_signal_corruption(bs, true, -1, -1, "L2 table offset %#"
PRIx64 " unaligned (L1 index: %#x)",
l2_offset, i);
ret = -EIO;
goto fail;
}
if (is_active_l1) {
/* get active L2 tables from cache */
ret = qcow2_cache_get(bs, s->l2_table_cache, l2_offset,
@ -1709,6 +1717,19 @@ static int expand_zero_clusters_in_l1(BlockDriverState *bs, uint64_t *l1_table,
}
}
if (offset_into_cluster(s, offset)) {
qcow2_signal_corruption(bs, true, -1, -1, "Data cluster offset "
"%#" PRIx64 " unaligned (L2 offset: %#"
PRIx64 ", L2 index: %#x)", offset,
l2_offset, j);
if (!preallocated) {
qcow2_free_clusters(bs, offset, s->cluster_size,
QCOW2_DISCARD_ALWAYS);
}
ret = -EIO;
goto fail;
}
ret = qcow2_pre_write_overlap_check(bs, 0, offset, s->cluster_size);
if (ret < 0) {
if (!preallocated) {

3
block/qcow2.c
View File

@ -868,7 +868,8 @@ static int qcow2_open(BlockDriverState *bs, QDict *options, int flags,
/* read the backing file name */
if (header.backing_file_offset != 0) {
len = header.backing_file_size;
if (len > MIN(1023, s->cluster_size - header.backing_file_offset)) {
if (len > MIN(1023, s->cluster_size - header.backing_file_offset) ||
len > sizeof(bs->backing_file)) {
error_setg(errp, "Backing file name too long");
ret = -EINVAL;
goto fail;

13
block/vhdx.c
View File

@ -1174,7 +1174,18 @@ static void vhdx_update_bat_table_entry(BlockDriverState *bs, BDRVVHDXState *s,
{
/* The BAT entry is a uint64, with 44 bits for the file offset in units of
* 1MB, and 3 bits for the block state. */
s->bat[sinfo->bat_idx] = sinfo->file_offset;
if ((state == PAYLOAD_BLOCK_ZERO) ||
(state == PAYLOAD_BLOCK_UNDEFINED) ||
(state == PAYLOAD_BLOCK_NOT_PRESENT) ||
(state == PAYLOAD_BLOCK_UNMAPPED)) {
s->bat[sinfo->bat_idx] = 0; /* For PAYLOAD_BLOCK_ZERO, the
FileOffsetMB field is denoted as
'reserved' in the v1.0 spec. If it is
non-zero, MS Hyper-V will fail to read
the disk image */
} else {
s->bat[sinfo->bat_idx] = sinfo->file_offset;
}
s->bat[sinfo->bat_idx] |= state & VHDX_BAT_STATE_BIT_MASK;

51
block/vmdk.c
View File

@ -785,13 +785,14 @@ static int vmdk_parse_extents(const char *desc, BlockDriverState *bs,
const char *desc_file_path, Error **errp)
{
int ret;
int matches;
char access[11];
char type[11];
char fname[512];
const char *p = desc;
int64_t sectors = 0;
int64_t flat_offset;
char extent_path[PATH_MAX];
char *extent_path;
BlockDriverState *extent_file;
BDRVVmdkState *s = bs->opaque;
VmdkExtent *extent;
@ -805,23 +806,23 @@ static int vmdk_parse_extents(const char *desc, BlockDriverState *bs,
* RW [size in sectors] VMFSSPARSE "file-name.vmdk"
*/
flat_offset = -1;
ret = sscanf(p, "%10s %" SCNd64 " %10s \"%511[^\n\r\"]\" %" SCNd64,
access, &sectors, type, fname, &flat_offset);
if (ret < 4 || strcmp(access, "RW")) {
matches = sscanf(p, "%10s %" SCNd64 " %10s \"%511[^\n\r\"]\" %" SCNd64,
access, &sectors, type, fname, &flat_offset);
if (matches < 4 || strcmp(access, "RW")) {
goto next_line;
} else if (!strcmp(type, "FLAT")) {
if (ret != 5 || flat_offset < 0) {
if (matches != 5 || flat_offset < 0) {
error_setg(errp, "Invalid extent lines: \n%s", p);
return -EINVAL;
}
} else if (!strcmp(type, "VMFS")) {
if (ret == 4) {
if (matches == 4) {
flat_offset = 0;
} else {
error_setg(errp, "Invalid extent lines:\n%s", p);
return -EINVAL;
}
} else if (ret != 4) {
} else if (matches != 4) {
error_setg(errp, "Invalid extent lines:\n%s", p);
return -EINVAL;
}
@ -841,11 +842,13 @@ static int vmdk_parse_extents(const char *desc, BlockDriverState *bs,
return -EINVAL;
}
extent_path = g_malloc0(PATH_MAX);
path_combine(extent_path, sizeof(extent_path),
desc_file_path, fname);
extent_file = NULL;
ret = bdrv_open(&extent_file, extent_path, NULL, NULL,
bs->open_flags | BDRV_O_PROTOCOL, NULL, errp);
g_free(extent_path);
if (ret) {
return ret;
}
@ -1795,10 +1798,15 @@ static int vmdk_create(const char *filename, QemuOpts *opts, Error **errp)
int ret = 0;
bool flat, split, compress;
GString *ext_desc_lines;
char path[PATH_MAX], prefix[PATH_MAX], postfix[PATH_MAX];
char *path = g_malloc0(PATH_MAX);
char *prefix = g_malloc0(PATH_MAX);
char *postfix = g_malloc0(PATH_MAX);
char *desc_line = g_malloc0(BUF_SIZE);
char *ext_filename = g_malloc0(PATH_MAX);
char *desc_filename = g_malloc0(PATH_MAX);
const int64_t split_size = 0x80000000; /* VMDK has constant split size */
const char *desc_extent_line;
char parent_desc_line[BUF_SIZE] = "";
char *parent_desc_line = g_malloc0(BUF_SIZE);
uint32_t parent_cid = 0xffffffff;
uint32_t number_heads = 16;
bool zeroed_grain = false;
@ -1914,33 +1922,27 @@ static int vmdk_create(const char *filename, QemuOpts *opts, Error **errp)
}
parent_cid = vmdk_read_cid(bs, 0);
bdrv_unref(bs);
snprintf(parent_desc_line, sizeof(parent_desc_line),
snprintf(parent_desc_line, BUF_SIZE,
"parentFileNameHint=\"%s\"", backing_file);
}
/* Create extents */
filesize = total_size;
while (filesize > 0) {
char desc_line[BUF_SIZE];
char ext_filename[PATH_MAX];
char desc_filename[PATH_MAX];
int64_t size = filesize;
if (split && size > split_size) {
size = split_size;
}
if (split) {
snprintf(desc_filename, sizeof(desc_filename), "%s-%c%03d%s",
snprintf(desc_filename, PATH_MAX, "%s-%c%03d%s",
prefix, flat ? 'f' : 's', ++idx, postfix);
} else if (flat) {
snprintf(desc_filename, sizeof(desc_filename), "%s-flat%s",
prefix, postfix);
snprintf(desc_filename, PATH_MAX, "%s-flat%s", prefix, postfix);
} else {
snprintf(desc_filename, sizeof(desc_filename), "%s%s",
prefix, postfix);
snprintf(desc_filename, PATH_MAX, "%s%s", prefix, postfix);
}
snprintf(ext_filename, sizeof(ext_filename), "%s%s",
path, desc_filename);
snprintf(ext_filename, PATH_MAX, "%s%s", path, desc_filename);
if (vmdk_create_extent(ext_filename, size,
flat, compress, zeroed_grain, opts, errp)) {
@ -1950,7 +1952,7 @@ static int vmdk_create(const char *filename, QemuOpts *opts, Error **errp)
filesize -= size;
/* Format description line */
snprintf(desc_line, sizeof(desc_line),
snprintf(desc_line, BUF_SIZE,
desc_extent_line, size / BDRV_SECTOR_SIZE, desc_filename);
g_string_append(ext_desc_lines, desc_line);
}
@ -2005,6 +2007,13 @@ exit:
g_free(backing_file);
g_free(fmt);
g_free(desc);
g_free(path);
g_free(prefix);
g_free(postfix);
g_free(desc_line);
g_free(ext_filename);
g_free(desc_filename);
g_free(parent_desc_line);
g_string_free(ext_desc_lines, true);
return ret;
}

4
block/vvfat.c
View File

@ -2909,8 +2909,8 @@ static int enable_write_target(BDRVVVFATState *s, Error **errp)
array_init(&(s->commits), sizeof(commit_t));
s->qcow_filename = g_malloc(1024);
ret = get_tmp_filename(s->qcow_filename, 1024);
s->qcow_filename = g_malloc(PATH_MAX);
ret = get_tmp_filename(s->qcow_filename, PATH_MAX);
if (ret < 0) {
error_setg_errno(errp, -ret, "can't create temporary file");
goto err;

134
hw/block/virtio-blk.c
View File

@ -115,6 +115,56 @@ static void virtio_blk_flush_complete(void *opaque, int ret)
virtio_blk_free_request(req);
}
#ifdef __linux__
typedef struct {
VirtIOBlockReq *req;
struct sg_io_hdr hdr;
} VirtIOBlockIoctlReq;
static void virtio_blk_ioctl_complete(void *opaque, int status)
{
VirtIOBlockIoctlReq *ioctl_req = opaque;
VirtIOBlockReq *req = ioctl_req->req;
VirtIODevice *vdev = VIRTIO_DEVICE(req->dev);
struct virtio_scsi_inhdr *scsi;
struct sg_io_hdr *hdr;
scsi = (void *)req->elem.in_sg[req->elem.in_num - 2].iov_base;
if (status) {
status = VIRTIO_BLK_S_UNSUPP;
virtio_stl_p(vdev, &scsi->errors, 255);
goto out;
}
hdr = &ioctl_req->hdr;
/*
* From SCSI-Generic-HOWTO: "Some lower level drivers (e.g. ide-scsi)
* clear the masked_status field [hence status gets cleared too, see
* block/scsi_ioctl.c] even when a CHECK_CONDITION or COMMAND_TERMINATED
* status has occurred. However they do set DRIVER_SENSE in driver_status
* field. Also a (sb_len_wr > 0) indicates there is a sense buffer.
*/
if (hdr->status == 0 && hdr->sb_len_wr > 0) {
hdr->status = CHECK_CONDITION;
}
virtio_stl_p(vdev, &scsi->errors,
hdr->status | (hdr->msg_status << 8) |
(hdr->host_status << 16) | (hdr->driver_status << 24));
virtio_stl_p(vdev, &scsi->residual, hdr->resid);
virtio_stl_p(vdev, &scsi->sense_len, hdr->sb_len_wr);
virtio_stl_p(vdev, &scsi->data_len, hdr->dxfer_len);
out:
virtio_blk_req_complete(req, status);
virtio_blk_free_request(req);
g_free(ioctl_req);
}
#endif
static VirtIOBlockReq *virtio_blk_get_request(VirtIOBlock *s)
{
VirtIOBlockReq *req = virtio_blk_alloc_request(s);
@ -127,16 +177,17 @@ static VirtIOBlockReq *virtio_blk_get_request(VirtIOBlock *s)
return req;
}
int virtio_blk_handle_scsi_req(VirtIOBlock *blk,
VirtQueueElement *elem)
static int virtio_blk_handle_scsi_req(VirtIOBlockReq *req)
{
int status = VIRTIO_BLK_S_OK;
struct virtio_scsi_inhdr *scsi = NULL;
VirtIODevice *vdev = VIRTIO_DEVICE(blk);
VirtIODevice *vdev = VIRTIO_DEVICE(req->dev);
VirtQueueElement *elem = &req->elem;
VirtIOBlock *blk = req->dev;
#ifdef __linux__
int i;
struct sg_io_hdr hdr;
VirtIOBlockIoctlReq *ioctl_req;
#endif
/*
@ -171,71 +222,52 @@ int virtio_blk_handle_scsi_req(VirtIOBlock *blk,
}
#ifdef __linux__
memset(&hdr, 0, sizeof(struct sg_io_hdr));
hdr.interface_id = 'S';
hdr.cmd_len = elem->out_sg[1].iov_len;
hdr.cmdp = elem->out_sg[1].iov_base;
hdr.dxfer_len = 0;
ioctl_req = g_new0(VirtIOBlockIoctlReq, 1);
ioctl_req->req = req;
ioctl_req->hdr.interface_id = 'S';
ioctl_req->hdr.cmd_len = elem->out_sg[1].iov_len;
ioctl_req->hdr.cmdp = elem->out_sg[1].iov_base;
ioctl_req->hdr.dxfer_len = 0;
if (elem->out_num > 2) {
/*
* If there are more than the minimally required 2 output segments
* there is write payload starting from the third iovec.
*/
hdr.dxfer_direction = SG_DXFER_TO_DEV;
hdr.iovec_count = elem->out_num - 2;
ioctl_req->hdr.dxfer_direction = SG_DXFER_TO_DEV;
ioctl_req->hdr.iovec_count = elem->out_num - 2;
for (i = 0; i < hdr.iovec_count; i++)
hdr.dxfer_len += elem->out_sg[i + 2].iov_len;
for (i = 0; i < ioctl_req->hdr.iovec_count; i++) {
ioctl_req->hdr.dxfer_len += elem->out_sg[i + 2].iov_len;
}
hdr.dxferp = elem->out_sg + 2;
ioctl_req->hdr.dxferp = elem->out_sg + 2;
} else if (elem->in_num > 3) {
/*
* If we have more than 3 input segments the guest wants to actually
* read data.
*/
hdr.dxfer_direction = SG_DXFER_FROM_DEV;
hdr.iovec_count = elem->in_num - 3;
for (i = 0; i < hdr.iovec_count; i++)
hdr.dxfer_len += elem->in_sg[i].iov_len;
ioctl_req->hdr.dxfer_direction = SG_DXFER_FROM_DEV;
ioctl_req->hdr.iovec_count = elem->in_num - 3;
for (i = 0; i < ioctl_req->hdr.iovec_count; i++) {
ioctl_req->hdr.dxfer_len += elem->in_sg[i].iov_len;
}
hdr.dxferp = elem->in_sg;
ioctl_req->hdr.dxferp = elem->in_sg;
} else {
/*
* Some SCSI commands don't actually transfer any data.
*/
hdr.dxfer_direction = SG_DXFER_NONE;
ioctl_req->hdr.dxfer_direction = SG_DXFER_NONE;
}
hdr.sbp = elem->in_sg[elem->in_num - 3].iov_base;
hdr.mx_sb_len = elem->in_sg[elem->in_num - 3].iov_len;
ioctl_req->hdr.sbp = elem->in_sg[elem->in_num - 3].iov_base;
ioctl_req->hdr.mx_sb_len = elem->in_sg[elem->in_num - 3].iov_len;
status = blk_ioctl(blk->blk, SG_IO, &hdr);
if (status) {
status = VIRTIO_BLK_S_UNSUPP;
goto fail;
}
/*
* From SCSI-Generic-HOWTO: "Some lower level drivers (e.g. ide-scsi)
* clear the masked_status field [hence status gets cleared too, see
* block/scsi_ioctl.c] even when a CHECK_CONDITION or COMMAND_TERMINATED
* status has occurred. However they do set DRIVER_SENSE in driver_status
* field. Also a (sb_len_wr > 0) indicates there is a sense buffer.
*/
if (hdr.status == 0 && hdr.sb_len_wr > 0) {
hdr.status = CHECK_CONDITION;
}
virtio_stl_p(vdev, &scsi->errors,
hdr.status | (hdr.msg_status << 8) |
(hdr.host_status << 16) | (hdr.driver_status << 24));
virtio_stl_p(vdev, &scsi->residual, hdr.resid);
virtio_stl_p(vdev, &scsi->sense_len, hdr.sb_len_wr);
virtio_stl_p(vdev, &scsi->data_len, hdr.dxfer_len);
return status;
blk_aio_ioctl(blk->blk, SG_IO, &ioctl_req->hdr,
virtio_blk_ioctl_complete, ioctl_req);
return -EINPROGRESS;
#else
abort();
#endif
@ -252,9 +284,11 @@ static void virtio_blk_handle_scsi(VirtIOBlockReq *req)
{
int status;
status = virtio_blk_handle_scsi_req(req->dev, &req->elem);
virtio_blk_req_complete(req, status);
virtio_blk_free_request(req);
status = virtio_blk_handle_scsi_req(req);
if (status != -EINPROGRESS) {
virtio_blk_req_complete(req, status);
virtio_blk_free_request(req);
}
}
void virtio_submit_multiwrite(BlockBackend *blk, MultiReqBuffer *mrb)

8
include/block/block_int.h
View File

@ -339,13 +339,13 @@ struct BlockDriverState {
* regarding this BDS's context */
QLIST_HEAD(, BdrvAioNotifier) aio_notifiers;
char filename[1024];
char backing_file[1024]; /* if non zero, the image is a diff of
this file image */
char filename[PATH_MAX];
char backing_file[PATH_MAX]; /* if non zero, the image is a diff of
this file image */
char backing_format[16]; /* if non-zero and backing_file exists */
QDict *full_open_options;
char exact_filename[1024];
char exact_filename[PATH_MAX];
BlockDriverState *backing_hd;
BlockDriverState *file;

3
include/hw/virtio/virtio-blk.h
View File

@ -153,9 +153,6 @@ VirtIOBlockReq *virtio_blk_alloc_request(VirtIOBlock *s);
void virtio_blk_free_request(VirtIOBlockReq *req);
int virtio_blk_handle_scsi_req(VirtIOBlock *blk,
VirtQueueElement *elem);
void virtio_blk_handle_request(VirtIOBlockReq *req, MultiReqBuffer *mrb);
void virtio_submit_multiwrite(BlockBackend *blk, MultiReqBuffer *mrb);

4
qemu-img.c
View File

@ -2556,7 +2556,7 @@ static int img_rebase(int argc, char **argv)
/* For safe rebasing we need to compare old and new backing file */
if (!unsafe) {
char backing_name[1024];
char backing_name[PATH_MAX];
blk_old_backing = blk_new_with_bs("old_backing", &error_abort);
bs_old_backing = blk_bs(blk_old_backing);
@ -2614,7 +2614,7 @@ static int img_rebase(int argc, char **argv)
}
old_backing_num_sectors = bdrv_nb_sectors(bs_old_backing);
if (old_backing_num_sectors < 0) {
char backing_name[1024];
char backing_name[PATH_MAX];
bdrv_get_backing_filename(bs, backing_name, sizeof(backing_name));
error_report("Could not get size of '%s': %s",

15
tests/qemu-iotests/060
View File

@ -186,6 +186,12 @@ $QEMU_IO -c "write 0 64k" "$TEST_IMG" | _filter_qemu_io
poke_file "$TEST_IMG" "$l1_offset" "\x80\x00\x00\x00\x00\x04\x2a\x00"
$QEMU_IO -c "read 0 64k" "$TEST_IMG" | _filter_qemu_io
# Test how well zero cluster expansion can cope with this
_make_test_img 64M
$QEMU_IO -c "write 0 64k" "$TEST_IMG" | _filter_qemu_io
poke_file "$TEST_IMG" "$l1_offset" "\x80\x00\x00\x00\x00\x04\x2a\x00"
$QEMU_IMG amend -o compat=0.10 "$TEST_IMG"
echo
echo "=== Testing unaligned L2 entry ==="
echo
@ -194,6 +200,15 @@ $QEMU_IO -c "write 0 64k" "$TEST_IMG" | _filter_qemu_io
poke_file "$TEST_IMG" "$l2_offset" "\x80\x00\x00\x00\x00\x05\x2a\x00"
$QEMU_IO -c "read 0 64k" "$TEST_IMG" | _filter_qemu_io
echo
echo "=== Testing unaligned pre-allocated zero cluster ==="
echo
_make_test_img 64M
$QEMU_IO -c "write 0 64k" "$TEST_IMG" | _filter_qemu_io
poke_file "$TEST_IMG" "$l2_offset" "\x80\x00\x00\x00\x00\x05\x2a\x01"
# zero cluster expansion
$QEMU_IMG amend -o compat=0.10 "$TEST_IMG"
echo
echo "=== Testing unaligned reftable entry ==="
echo

13
tests/qemu-iotests/060.out
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@ -123,6 +123,11 @@ wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: L2 table offset 0x42a00 unaligned (L1 index: 0); further corruption events will be suppressed
read failed: Input/output error
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: L2 table offset 0x42a00 unaligned (L1 index: 0); further corruption events will be suppressed
qemu-img: Error while amending options: Input/output error
=== Testing unaligned L2 entry ===
@ -132,6 +137,14 @@ wrote 65536/65536 bytes at offset 0
qcow2: Marking image as corrupt: Data cluster offset 0x52a00 unaligned (L2 offset: 0x40000, L2 index: 0); further corruption events will be suppressed
read failed: Input/output error
=== Testing unaligned pre-allocated zero cluster ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: Data cluster offset 0x52a00 unaligned (L2 offset: 0x40000, L2 index: 0); further corruption events will be suppressed
qemu-img: Error while amending options: Input/output error
=== Testing unaligned reftable entry ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864

19
tests/qemu-iotests/064
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@ -54,7 +54,15 @@ $QEMU_IO -r -c "read -pP 0x96 33M 33M" "$TEST_IMG" | _filter_qemu_io
echo
echo "=== Verify pattern 0x00, 66M - 1024M ==="
$QEMU_IO -r -c "read -pP 0x00 66M 958M" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -r -c "read -pP 0x00 66M 62M" \
-c "read -pP 0x00 128M 128M" \
-c "read -pP 0x00 256M 128M" \
-c "read -pP 0x00 384M 128M" \
-c "read -pP 0x00 512M 128M" \
-c "read -pP 0x00 640M 128M" \
-c "read -pP 0x00 768M 128M" \
-c "read -pP 0x00 896M 128M" \
"$TEST_IMG" | _filter_qemu_io
echo
echo "=== Verify pattern write, 0xc3 99M-157M ==="
@ -63,7 +71,14 @@ $QEMU_IO -c "write -pP 0xc3 99M 58M" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -pP 0xa5 0 33M" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -pP 0x96 33M 33M" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -pP 0x00 66M 33M" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -pP 0x00 157MM 867MM" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -pP 0x00 157M 99M" \
-c "read -pP 0x00 256M 128M" \
-c "read -pP 0x00 384M 128M" \
-c "read -pP 0x00 512M 128M" \
-c "read -pP 0x00 640M 128M" \
-c "read -pP 0x00 768M 128M" \
-c "read -pP 0x00 896M 128M" \
"$TEST_IMG" | _filter_qemu_io
# now verify what we should have actually written
$QEMU_IO -c "read -pP 0xc3 99M 58M" "$TEST_IMG" | _filter_qemu_io

34
tests/qemu-iotests/064.out
View File

@ -9,8 +9,22 @@ read 34603008/34603008 bytes at offset 34603008
33 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
=== Verify pattern 0x00, 66M - 1024M ===
read 1004535808/1004535808 bytes at offset 69206016
958 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65011712/65011712 bytes at offset 69206016
62 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 134217728/134217728 bytes at offset 134217728
128 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 134217728/134217728 bytes at offset 268435456
128 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 134217728/134217728 bytes at offset 402653184
128 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 134217728/134217728 bytes at offset 536870912
128 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 134217728/134217728 bytes at offset 671088640
128 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 134217728/134217728 bytes at offset 805306368
128 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 134217728/134217728 bytes at offset 939524096
128 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
=== Verify pattern write, 0xc3 99M-157M ===
wrote 60817408/60817408 bytes at offset 103809024
@ -21,8 +35,20 @@ read 34603008/34603008 bytes at offset 34603008
33 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 34603008/34603008 bytes at offset 69206016
33 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 909115392/909115392 bytes at offset 164626432
867 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 103809024/103809024 bytes at offset 164626432
99 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 134217728/134217728 bytes at offset 268435456
128 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 134217728/134217728 bytes at offset 402653184
128 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 134217728/134217728 bytes at offset 536870912
128 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 134217728/134217728 bytes at offset 671088640
128 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 134217728/134217728 bytes at offset 805306368
128 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 134217728/134217728 bytes at offset 939524096
128 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 60817408/60817408 bytes at offset 103809024
58 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
*** done