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Block layer patches:

Browse Source 
- file-posix: Fix max transfer length for non-SCSI-passthrough
 - iotests: Fix 082 reference output
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block layer patches:

- file-posix: Fix max transfer length for non-SCSI-passthrough
- iotests: Fix 082 reference output

# gpg: Signature made Fri 12 Jul 2019 14:49:14 BST
# gpg:                using RSA key 7F09B272C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* remotes/kevin/tags/for-upstream:
  file-posix: Use max transfer length/segment count only for SCSI passthrough
  iotests: Update 082 expected output

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2019-07-12 15:38:22 +01:00
commit 1316b1ddc8
2 changed files with 55 additions and 53 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

54
block/file-posix.c
View File

@ -1038,15 +1038,13 @@ static void raw_reopen_abort(BDRVReopenState *state)
s->reopen_state = NULL; s->reopen_state = NULL;
} }
static int hdev_get_max_transfer_length(BlockDriverState *bs, int fd) static int sg_get_max_transfer_length(int fd)
{ {
#ifdef BLKSECTGET #ifdef BLKSECTGET
int max_bytes = 0; int max_bytes = 0;
short max_sectors = 0;
if (bs->sg && ioctl(fd, BLKSECTGET, &max_bytes) == 0) { if (ioctl(fd, BLKSECTGET, &max_bytes) == 0) {
return max_bytes; return max_bytes;
} else if (!bs->sg && ioctl(fd, BLKSECTGET, &max_sectors) == 0) {
return max_sectors << BDRV_SECTOR_BITS;
} else { } else {
return -errno; return -errno;
} }
@ -1055,25 +1053,31 @@ static int hdev_get_max_transfer_length(BlockDriverState *bs, int fd)
#endif #endif
} }
static int hdev_get_max_segments(const struct stat *st) static int sg_get_max_segments(int fd)
{ {
#ifdef CONFIG_LINUX #ifdef CONFIG_LINUX
char buf[32]; char buf[32];
const char *end; const char *end;
char *sysfspath; char *sysfspath = NULL;
int ret; int ret;
int fd = -1; int sysfd = -1;
long max_segments; long max_segments;
struct stat st;
if (fstat(fd, &st)) {
ret = -errno;
goto out;
}
sysfspath = g_strdup_printf("/sys/dev/block/%u:%u/queue/max_segments", sysfspath = g_strdup_printf("/sys/dev/block/%u:%u/queue/max_segments",
major(st->st_rdev), minor(st->st_rdev)); major(st.st_rdev), minor(st.st_rdev));
fd = open(sysfspath, O_RDONLY); sysfd = open(sysfspath, O_RDONLY);
if (fd == -1) { if (sysfd == -1) {
ret = -errno; ret = -errno;
goto out; goto out;
} }
do { do {
ret = read(fd, buf, sizeof(buf) - 1); ret = read(sysfd, buf, sizeof(buf) - 1);
} while (ret == -1 && errno == EINTR); } while (ret == -1 && errno == EINTR);
if (ret < 0) { if (ret < 0) {
ret = -errno; ret = -errno;
@ -1090,8 +1094,8 @@ static int hdev_get_max_segments(const struct stat *st)
} }
out: out:
if (fd != -1) { if (sysfd != -1) {
close(fd); close(sysfd);
} }
g_free(sysfspath); g_free(sysfspath);
return ret; return ret;
@ -1103,19 +1107,17 @@ out:
static void raw_refresh_limits(BlockDriverState *bs, Error **errp) static void raw_refresh_limits(BlockDriverState *bs, Error **errp)
{ {
BDRVRawState *s = bs->opaque; BDRVRawState *s = bs->opaque;
struct stat st;
if (!fstat(s->fd, &st)) { if (bs->sg) {
if (S_ISBLK(st.st_mode) || S_ISCHR(st.st_mode)) { int ret = sg_get_max_transfer_length(s->fd);
int ret = hdev_get_max_transfer_length(bs, s->fd);
if (ret > 0 && ret <= BDRV_REQUEST_MAX_BYTES) { if (ret > 0 && ret <= BDRV_REQUEST_MAX_BYTES) {
bs->bl.max_transfer = pow2floor(ret); bs->bl.max_transfer = pow2floor(ret);
} }
ret = hdev_get_max_segments(&st);
if (ret > 0) { ret = sg_get_max_segments(s->fd);
bs->bl.max_transfer = MIN(bs->bl.max_transfer, if (ret > 0) {
ret * getpagesize()); bs->bl.max_transfer = MIN(bs->bl.max_transfer, ret * getpagesize());
}
} }
} }

54
tests/qemu-iotests/082.out
View File

@ -47,7 +47,7 @@ Supported options:
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -70,7 +70,7 @@ Supported options:
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -93,7 +93,7 @@ Supported options:
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -116,7 +116,7 @@ Supported options:
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -139,7 +139,7 @@ Supported options:
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -162,7 +162,7 @@ Supported options:
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -185,7 +185,7 @@ Supported options:
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -208,7 +208,7 @@ Supported options:
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -246,7 +246,7 @@ Supported qcow2 options:
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -327,7 +327,7 @@ Supported options:
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -350,7 +350,7 @@ Supported options:
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -373,7 +373,7 @@ Supported options:
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -396,7 +396,7 @@ Supported options:
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -419,7 +419,7 @@ Supported options:
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -442,7 +442,7 @@ Supported options:
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -465,7 +465,7 @@ Supported options:
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -488,7 +488,7 @@ Supported options:
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -526,7 +526,7 @@ Supported qcow2 options:
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -618,7 +618,7 @@ Creation options for 'qcow2':
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -642,7 +642,7 @@ Creation options for 'qcow2':
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -666,7 +666,7 @@ Creation options for 'qcow2':
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -690,7 +690,7 @@ Creation options for 'qcow2':
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -714,7 +714,7 @@ Creation options for 'qcow2':
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -738,7 +738,7 @@ Creation options for 'qcow2':
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -762,7 +762,7 @@ Creation options for 'qcow2':
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -786,7 +786,7 @@ Creation options for 'qcow2':
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
@ -827,7 +827,7 @@ Creation options for 'qcow2':
backing_file=<str> - File name of a base image backing_file=<str> - File name of a base image
backing_fmt=<str> - Image format of the base image backing_fmt=<str> - Image format of the base image
cluster_size=<size> - qcow2 cluster size cluster_size=<size> - qcow2 cluster size
compat=<str> - Compatibility level (0.10 or 1.1) compat=<str> - Compatibility level (v2 [0.10] or v3 [1.1])
data_file=<str> - File name of an external data file data_file=<str> - File name of an external data file
data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image data_file_raw=<bool (on/off)> - The external data file must stay valid as a raw image
encrypt.cipher-alg=<str> - Name of encryption cipher algorithm encrypt.cipher-alg=<str> - Name of encryption cipher algorithm