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block: rename .bdrv_create() to .bdrv_co_create_opts()

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BlockDriver->bdrv_create() has been called from coroutine context since
commit 5b7e1542cfa41a281af9629d31cef03704d976e6 ("block: make
bdrv_create adopt coroutine").

Make this explicit by renaming to .bdrv_co_create_opts() and add the
coroutine_fn annotation.  This makes it obvious to block driver authors
that they may yield, use CoMutex, or other coroutine_fn APIs.
bdrv_co_create is reserved for the QAPI-based version that Kevin is
working on.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20170705102231.20711-2-stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2018-01-18 13:43:45 +01:00 committed by Kevin Wolf
parent 13471a40c1
commit efc75e2a4c
20 changed files with 74 additions and 54 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
block.c
View File

@ -420,7 +420,7 @@ static void coroutine_fn bdrv_create_co_entry(void *opaque)
CreateCo *cco = opaque;
assert(cco->drv);
ret = cco->drv->bdrv_create(cco->filename, cco->opts, &local_err);
ret = cco->drv->bdrv_co_create_opts(cco->filename, cco->opts, &local_err);
error_propagate(&cco->err, local_err);
cco->ret = ret;
}
@ -439,7 +439,7 @@ int bdrv_create(BlockDriver *drv, const char* filename,
.err = NULL,
};
if (!drv->bdrv_create) {
if (!drv->bdrv_co_create_opts) {
error_setg(errp, "Driver '%s' does not support image creation", drv->format_name);
ret = -ENOTSUP;
goto out;

4
block/crypto.c
View File

@ -556,7 +556,7 @@ static int block_crypto_open_luks(BlockDriverState *bs,
bs, options, flags, errp);
}
static int block_crypto_create_luks(const char *filename,
static int coroutine_fn block_crypto_co_create_opts_luks(const char *filename,
QemuOpts *opts,
Error **errp)
{
@ -617,7 +617,7 @@ BlockDriver bdrv_crypto_luks = {
.bdrv_open = block_crypto_open_luks,
.bdrv_close = block_crypto_close,
.bdrv_child_perm = bdrv_format_default_perms,
.bdrv_create = block_crypto_create_luks,
.bdrv_co_create_opts = block_crypto_co_create_opts_luks,
.bdrv_truncate = block_crypto_truncate,
.create_opts = &block_crypto_create_opts_luks,

13
block/file-posix.c
View File

@ -1982,7 +1982,8 @@ static int64_t raw_get_allocated_file_size(BlockDriverState *bs)
return (int64_t)st.st_blocks * 512;
}
static int raw_create(const char *filename, QemuOpts *opts, Error **errp)
static int coroutine_fn raw_co_create_opts(const char *filename, QemuOpts *opts,
Error **errp)
{
int fd;
int result = 0;
@ -2276,7 +2277,7 @@ BlockDriver bdrv_file = {
.bdrv_reopen_commit = raw_reopen_commit,
.bdrv_reopen_abort = raw_reopen_abort,
.bdrv_close = raw_close,
.bdrv_create = raw_create,
.bdrv_co_create_opts = raw_co_create_opts,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_co_block_status = raw_co_block_status,
.bdrv_co_pwrite_zeroes = raw_co_pwrite_zeroes,
@ -2680,7 +2681,7 @@ static coroutine_fn int hdev_co_pwrite_zeroes(BlockDriverState *bs,
return -ENOTSUP;
}
static int hdev_create(const char *filename, QemuOpts *opts,
static int coroutine_fn hdev_co_create_opts(const char *filename, QemuOpts *opts,
Error **errp)
{
int fd;
@ -2754,7 +2755,7 @@ static BlockDriver bdrv_host_device = {
.bdrv_reopen_prepare = raw_reopen_prepare,
.bdrv_reopen_commit = raw_reopen_commit,
.bdrv_reopen_abort = raw_reopen_abort,
.bdrv_create = hdev_create,
.bdrv_co_create_opts = hdev_co_create_opts,
.create_opts = &raw_create_opts,
.bdrv_co_pwrite_zeroes = hdev_co_pwrite_zeroes,
@ -2876,7 +2877,7 @@ static BlockDriver bdrv_host_cdrom = {
.bdrv_reopen_prepare = raw_reopen_prepare,
.bdrv_reopen_commit = raw_reopen_commit,
.bdrv_reopen_abort = raw_reopen_abort,
.bdrv_create = hdev_create,
.bdrv_co_create_opts = hdev_co_create_opts,
.create_opts = &raw_create_opts,
@ -3007,7 +3008,7 @@ static BlockDriver bdrv_host_cdrom = {
.bdrv_reopen_prepare = raw_reopen_prepare,
.bdrv_reopen_commit = raw_reopen_commit,
.bdrv_reopen_abort = raw_reopen_abort,
.bdrv_create = hdev_create,
.bdrv_co_create_opts = hdev_co_create_opts,
.create_opts = &raw_create_opts,
.bdrv_co_preadv = raw_co_preadv,

5
block/file-win32.c
View File

@ -553,7 +553,8 @@ static int64_t raw_get_allocated_file_size(BlockDriverState *bs)
return st.st_size;
}
static int raw_create(const char *filename, QemuOpts *opts, Error **errp)
static int coroutine_fn raw_co_create_opts(const char *filename, QemuOpts *opts,
Error **errp)
{
int fd;
int64_t total_size = 0;
@ -599,7 +600,7 @@ BlockDriver bdrv_file = {
.bdrv_file_open = raw_open,
.bdrv_refresh_limits = raw_probe_alignment,
.bdrv_close = raw_close,
.bdrv_create = raw_create,
.bdrv_co_create_opts = raw_co_create_opts,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_aio_readv = raw_aio_readv,

13
block/gluster.c
View File

@ -1021,8 +1021,9 @@ static int qemu_gluster_do_truncate(struct glfs_fd *fd, int64_t offset,
return 0;
}
static int qemu_gluster_create(const char *filename,
QemuOpts *opts, Error **errp)
static int coroutine_fn qemu_gluster_co_create_opts(const char *filename,
QemuOpts *opts,
Error **errp)
{
BlockdevOptionsGluster *gconf;
struct glfs *glfs;
@ -1435,7 +1436,7 @@ static BlockDriver bdrv_gluster = {
.bdrv_reopen_commit = qemu_gluster_reopen_commit,
.bdrv_reopen_abort = qemu_gluster_reopen_abort,
.bdrv_close = qemu_gluster_close,
.bdrv_create = qemu_gluster_create,
.bdrv_co_create_opts = qemu_gluster_co_create_opts,
.bdrv_getlength = qemu_gluster_getlength,
.bdrv_get_allocated_file_size = qemu_gluster_allocated_file_size,
.bdrv_truncate = qemu_gluster_truncate,
@ -1463,7 +1464,7 @@ static BlockDriver bdrv_gluster_tcp = {
.bdrv_reopen_commit = qemu_gluster_reopen_commit,
.bdrv_reopen_abort = qemu_gluster_reopen_abort,
.bdrv_close = qemu_gluster_close,
.bdrv_create = qemu_gluster_create,
.bdrv_co_create_opts = qemu_gluster_co_create_opts,
.bdrv_getlength = qemu_gluster_getlength,
.bdrv_get_allocated_file_size = qemu_gluster_allocated_file_size,
.bdrv_truncate = qemu_gluster_truncate,
@ -1491,7 +1492,7 @@ static BlockDriver bdrv_gluster_unix = {
.bdrv_reopen_commit = qemu_gluster_reopen_commit,
.bdrv_reopen_abort = qemu_gluster_reopen_abort,
.bdrv_close = qemu_gluster_close,
.bdrv_create = qemu_gluster_create,
.bdrv_co_create_opts = qemu_gluster_co_create_opts,
.bdrv_getlength = qemu_gluster_getlength,
.bdrv_get_allocated_file_size = qemu_gluster_allocated_file_size,
.bdrv_truncate = qemu_gluster_truncate,
@ -1525,7 +1526,7 @@ static BlockDriver bdrv_gluster_rdma = {
.bdrv_reopen_commit = qemu_gluster_reopen_commit,
.bdrv_reopen_abort = qemu_gluster_reopen_abort,
.bdrv_close = qemu_gluster_close,
.bdrv_create = qemu_gluster_create,
.bdrv_co_create_opts = qemu_gluster_co_create_opts,
.bdrv_getlength = qemu_gluster_getlength,
.bdrv_get_allocated_file_size = qemu_gluster_allocated_file_size,
.bdrv_truncate = qemu_gluster_truncate,

7
block/iscsi.c
View File

@ -2117,7 +2117,8 @@ static int iscsi_truncate(BlockDriverState *bs, int64_t offset,
return 0;
}
static int iscsi_create(const char *filename, QemuOpts *opts, Error **errp)
static int coroutine_fn iscsi_co_create_opts(const char *filename, QemuOpts *opts,
Error **errp)
{
int ret = 0;
int64_t total_size = 0;
@ -2204,7 +2205,7 @@ static BlockDriver bdrv_iscsi = {
.bdrv_parse_filename = iscsi_parse_filename,
.bdrv_file_open = iscsi_open,
.bdrv_close = iscsi_close,
.bdrv_create = iscsi_create,
.bdrv_co_create_opts = iscsi_co_create_opts,
.create_opts = &iscsi_create_opts,
.bdrv_reopen_prepare = iscsi_reopen_prepare,
.bdrv_reopen_commit = iscsi_reopen_commit,
@ -2239,7 +2240,7 @@ static BlockDriver bdrv_iser = {
.bdrv_parse_filename = iscsi_parse_filename,
.bdrv_file_open = iscsi_open,
.bdrv_close = iscsi_close,
.bdrv_create = iscsi_create,
.bdrv_co_create_opts = iscsi_co_create_opts,
.create_opts = &iscsi_create_opts,
.bdrv_reopen_prepare = iscsi_reopen_prepare,
.bdrv_reopen_commit = iscsi_reopen_commit,

5
block/nfs.c
View File

@ -684,7 +684,8 @@ static QemuOptsList nfs_create_opts = {
}
};
static int nfs_file_create(const char *url, QemuOpts *opts, Error **errp)
static int coroutine_fn nfs_file_co_create_opts(const char *url, QemuOpts *opts,
Error **errp)
{
int64_t ret, total_size;
NFSClient *client = g_new0(NFSClient, 1);
@ -897,7 +898,7 @@ static BlockDriver bdrv_nfs = {
.bdrv_file_open = nfs_file_open,
.bdrv_close = nfs_file_close,
.bdrv_create = nfs_file_create,
.bdrv_co_create_opts = nfs_file_co_create_opts,
.bdrv_reopen_prepare = nfs_reopen_prepare,
.bdrv_co_preadv = nfs_co_preadv,

6
block/parallels.c
View File

@ -475,7 +475,9 @@ static int parallels_check(BlockDriverState *bs, BdrvCheckResult *res,
}
static int parallels_create(const char *filename, QemuOpts *opts, Error **errp)
static int coroutine_fn parallels_co_create_opts(const char *filename,
QemuOpts *opts,
Error **errp)
{
int64_t total_size, cl_size;
uint8_t tmp[BDRV_SECTOR_SIZE];
@ -796,7 +798,7 @@ static BlockDriver bdrv_parallels = {
.bdrv_co_readv = parallels_co_readv,
.bdrv_co_writev = parallels_co_writev,
.supports_backing = true,
.bdrv_create = parallels_create,
.bdrv_co_create_opts = parallels_co_create_opts,
.bdrv_check = parallels_check,
.create_opts = &parallels_create_opts,
};

5
block/qcow.c
View File

@ -810,7 +810,8 @@ static void qcow_close(BlockDriverState *bs)
error_free(s->migration_blocker);
}
static int qcow_create(const char *filename, QemuOpts *opts, Error **errp)
static int coroutine_fn qcow_co_create_opts(const char *filename, QemuOpts *opts,
Error **errp)
{
int header_size, backing_filename_len, l1_size, shift, i;
QCowHeader header;
@ -1127,7 +1128,7 @@ static BlockDriver bdrv_qcow = {
.bdrv_close = qcow_close,
.bdrv_child_perm = bdrv_format_default_perms,
.bdrv_reopen_prepare = qcow_reopen_prepare,
.bdrv_create = qcow_create,
.bdrv_co_create_opts = qcow_co_create_opts,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.supports_backing = true,

5
block/qcow2.c
View File

@ -2916,7 +2916,8 @@ out:
return ret;
}
static int qcow2_create(const char *filename, QemuOpts *opts, Error **errp)
static int coroutine_fn qcow2_co_create_opts(const char *filename, QemuOpts *opts,
Error **errp)
{
char *backing_file = NULL;
char *backing_fmt = NULL;
@ -4352,7 +4353,7 @@ BlockDriver bdrv_qcow2 = {
.bdrv_reopen_abort = qcow2_reopen_abort,
.bdrv_join_options = qcow2_join_options,
.bdrv_child_perm = bdrv_format_default_perms,
.bdrv_create = qcow2_create,
.bdrv_co_create_opts = qcow2_co_create_opts,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_co_block_status = qcow2_co_block_status,

6
block/qed.c
View File

@ -638,7 +638,9 @@ out:
return ret;
}
static int bdrv_qed_create(const char *filename, QemuOpts *opts, Error **errp)
static int coroutine_fn bdrv_qed_co_create_opts(const char *filename,
QemuOpts *opts,
Error **errp)
{
uint64_t image_size = 0;
uint32_t cluster_size = QED_DEFAULT_CLUSTER_SIZE;
@ -1564,7 +1566,7 @@ static BlockDriver bdrv_qed = {
.bdrv_close = bdrv_qed_close,
.bdrv_reopen_prepare = bdrv_qed_reopen_prepare,
.bdrv_child_perm = bdrv_format_default_perms,
.bdrv_create = bdrv_qed_create,
.bdrv_co_create_opts = bdrv_qed_co_create_opts,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_co_block_status = bdrv_qed_co_block_status,
.bdrv_co_readv = bdrv_qed_co_readv,

5
block/raw-format.c
View File

@ -396,7 +396,8 @@ static int raw_has_zero_init(BlockDriverState *bs)
return bdrv_has_zero_init(bs->file->bs);
}
static int raw_create(const char *filename, QemuOpts *opts, Error **errp)
static int coroutine_fn raw_co_create_opts(const char *filename, QemuOpts *opts,
Error **errp)
{
return bdrv_create_file(filename, opts, errp);
}
@ -491,7 +492,7 @@ BlockDriver bdrv_raw = {
.bdrv_open = &raw_open,
.bdrv_close = &raw_close,
.bdrv_child_perm = bdrv_filter_default_perms,
.bdrv_create = &raw_create,
.bdrv_co_create_opts = &raw_co_create_opts,
.bdrv_co_preadv = &raw_co_preadv,
.bdrv_co_pwritev = &raw_co_pwritev,
.bdrv_co_pwrite_zeroes = &raw_co_pwrite_zeroes,

6
block/rbd.c
View File

@ -351,7 +351,9 @@ static QemuOptsList runtime_opts = {
},
};
static int qemu_rbd_create(const char *filename, QemuOpts *opts, Error **errp)
static int coroutine_fn qemu_rbd_co_create_opts(const char *filename,
QemuOpts *opts,
Error **errp)
{
Error *local_err = NULL;
int64_t bytes = 0;
@ -1132,7 +1134,7 @@ static BlockDriver bdrv_rbd = {
.bdrv_file_open = qemu_rbd_open,
.bdrv_close = qemu_rbd_close,
.bdrv_reopen_prepare = qemu_rbd_reopen_prepare,
.bdrv_create = qemu_rbd_create,
.bdrv_co_create_opts = qemu_rbd_co_create_opts,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_get_info = qemu_rbd_getinfo,
.create_opts = &qemu_rbd_create_opts,

8
block/sheepdog.c
View File

@ -1959,7 +1959,7 @@ static int parse_block_size_shift(BDRVSheepdogState *s, QemuOpts *opt)
return 0;
}
static int sd_create(const char *filename, QemuOpts *opts,
static int coroutine_fn sd_co_create_opts(const char *filename, QemuOpts *opts,
Error **errp)
{
Error *err = NULL;
@ -3103,7 +3103,7 @@ static BlockDriver bdrv_sheepdog = {
.bdrv_reopen_commit = sd_reopen_commit,
.bdrv_reopen_abort = sd_reopen_abort,
.bdrv_close = sd_close,
.bdrv_create = sd_create,
.bdrv_co_create_opts = sd_co_create_opts,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_getlength = sd_getlength,
.bdrv_get_allocated_file_size = sd_get_allocated_file_size,
@ -3139,7 +3139,7 @@ static BlockDriver bdrv_sheepdog_tcp = {
.bdrv_reopen_commit = sd_reopen_commit,
.bdrv_reopen_abort = sd_reopen_abort,
.bdrv_close = sd_close,
.bdrv_create = sd_create,
.bdrv_co_create_opts = sd_co_create_opts,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_getlength = sd_getlength,
.bdrv_get_allocated_file_size = sd_get_allocated_file_size,
@ -3175,7 +3175,7 @@ static BlockDriver bdrv_sheepdog_unix = {
.bdrv_reopen_commit = sd_reopen_commit,
.bdrv_reopen_abort = sd_reopen_abort,
.bdrv_close = sd_close,
.bdrv_create = sd_create,
.bdrv_co_create_opts = sd_co_create_opts,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_getlength = sd_getlength,
.bdrv_get_allocated_file_size = sd_get_allocated_file_size,

5
block/ssh.c
View File

@ -816,7 +816,8 @@ static QemuOptsList ssh_create_opts = {
}
};
static int ssh_create(const char *filename, QemuOpts *opts, Error **errp)
static int coroutine_fn ssh_co_create_opts(const char *filename, QemuOpts *opts,
Error **errp)
{
int r, ret;
int64_t total_size = 0;
@ -1204,7 +1205,7 @@ static BlockDriver bdrv_ssh = {
.instance_size = sizeof(BDRVSSHState),
.bdrv_parse_filename = ssh_parse_filename,
.bdrv_file_open = ssh_file_open,
.bdrv_create = ssh_create,
.bdrv_co_create_opts = ssh_co_create_opts,
.bdrv_close = ssh_close,
.bdrv_has_zero_init = ssh_has_zero_init,
.bdrv_co_readv = ssh_co_readv,

5
block/vdi.c
View File

@ -716,7 +716,8 @@ nonallocating_write:
return ret;
}
static int vdi_create(const char *filename, QemuOpts *opts, Error **errp)
static int coroutine_fn vdi_co_create_opts(const char *filename, QemuOpts *opts,
Error **errp)
{
int ret = 0;
uint64_t bytes = 0;
@ -894,7 +895,7 @@ static BlockDriver bdrv_vdi = {
.bdrv_close = vdi_close,
.bdrv_reopen_prepare = vdi_reopen_prepare,
.bdrv_child_perm = bdrv_format_default_perms,
.bdrv_create = vdi_create,
.bdrv_co_create_opts = vdi_co_create_opts,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_co_block_status = vdi_co_block_status,
.bdrv_make_empty = vdi_make_empty,

5
block/vhdx.c
View File

@ -1792,7 +1792,8 @@ exit:
* .---- ~ ----------- ~ ------------ ~ ---------------- ~ -----------.
* 1MB
*/
static int vhdx_create(const char *filename, QemuOpts *opts, Error **errp)
static int coroutine_fn vhdx_co_create_opts(const char *filename, QemuOpts *opts,
Error **errp)
{
int ret = 0;
uint64_t image_size = (uint64_t) 2 * GiB;
@ -2003,7 +2004,7 @@ static BlockDriver bdrv_vhdx = {
.bdrv_child_perm = bdrv_format_default_perms,
.bdrv_co_readv = vhdx_co_readv,
.bdrv_co_writev = vhdx_co_writev,
.bdrv_create = vhdx_create,
.bdrv_co_create_opts = vhdx_co_create_opts,
.bdrv_get_info = vhdx_get_info,
.bdrv_check = vhdx_check,
.bdrv_has_zero_init = bdrv_has_zero_init_1,

5
block/vmdk.c
View File

@ -1882,7 +1882,8 @@ static int filename_decompose(const char *filename, char *path, char *prefix,
return VMDK_OK;
}
static int vmdk_create(const char *filename, QemuOpts *opts, Error **errp)
static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts,
Error **errp)
{
int idx = 0;
BlockBackend *new_blk = NULL;
@ -2398,7 +2399,7 @@ static BlockDriver bdrv_vmdk = {
.bdrv_co_pwritev_compressed = vmdk_co_pwritev_compressed,
.bdrv_co_pwrite_zeroes = vmdk_co_pwrite_zeroes,
.bdrv_close = vmdk_close,
.bdrv_create = vmdk_create,
.bdrv_co_create_opts = vmdk_co_create_opts,
.bdrv_co_flush_to_disk = vmdk_co_flush,
.bdrv_co_block_status = vmdk_co_block_status,
.bdrv_get_allocated_file_size = vmdk_get_allocated_file_size,

5
block/vpc.c
View File

@ -897,7 +897,8 @@ static int create_fixed_disk(BlockBackend *blk, uint8_t *buf,
return ret;
}
static int vpc_create(const char *filename, QemuOpts *opts, Error **errp)
static int coroutine_fn vpc_co_create_opts(const char *filename, QemuOpts *opts,
Error **errp)
{
uint8_t buf[1024];
VHDFooter *footer = (VHDFooter *) buf;
@ -1095,7 +1096,7 @@ static BlockDriver bdrv_vpc = {
.bdrv_close = vpc_close,
.bdrv_reopen_prepare = vpc_reopen_prepare,
.bdrv_child_perm = bdrv_format_default_perms,
.bdrv_create = vpc_create,
.bdrv_co_create_opts = vpc_co_create_opts,
.bdrv_co_preadv = vpc_co_preadv,
.bdrv_co_pwritev = vpc_co_pwritev,

3
include/block/block_int.h
View File

@ -129,7 +129,8 @@ struct BlockDriver {
int (*bdrv_file_open)(BlockDriverState *bs, QDict *options, int flags,
Error **errp);
void (*bdrv_close)(BlockDriverState *bs);
int (*bdrv_create)(const char *filename, QemuOpts *opts, Error **errp);
int coroutine_fn (*bdrv_co_create_opts)(const char *filename, QemuOpts *opts,
Error **errp);
int (*bdrv_make_empty)(BlockDriverState *bs);
void (*bdrv_refresh_filename)(BlockDriverState *bs, QDict *options);