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vmdk: mark more functions as coroutine_fns and GRAPH_RDLOCK 

Mark functions as coroutine_fn when they are only called by other coroutine_fns
and they can suspend.  Change calls to co_wrappers to use the non-wrapped
functions, which in turn requires adding GRAPH_RDLOCK annotations.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20230601115145.196465-9-pbonzini@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
master
Paolo Bonzini 2023-06-01 13:51:41 +02:00 committed by Kevin Wolf
parent 688dc49da5
commit 28944f99c4
1 changed files with 14 additions and 13 deletions
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27
block/vmdk.c
View File

@ -339,7 +339,8 @@ out:
return ret;
}
static int vmdk_write_cid(BlockDriverState *bs, uint32_t cid)
static int coroutine_fn GRAPH_RDLOCK
vmdk_write_cid(BlockDriverState *bs, uint32_t cid)
{
char *desc, *tmp_desc;
char *p_name, *tmp_str;
@ -348,7 +349,7 @@ static int vmdk_write_cid(BlockDriverState *bs, uint32_t cid)
desc = g_malloc0(DESC_SIZE);
tmp_desc = g_malloc0(DESC_SIZE);
ret = bdrv_pread(bs->file, s->desc_offset, DESC_SIZE, desc, 0);
ret = bdrv_co_pread(bs->file, s->desc_offset, DESC_SIZE, desc, 0);
if (ret < 0) {
goto out;
}
@ -368,7 +369,7 @@ static int vmdk_write_cid(BlockDriverState *bs, uint32_t cid)
pstrcat(desc, DESC_SIZE, tmp_desc);
}
ret = bdrv_pwrite_sync(bs->file, s->desc_offset, DESC_SIZE, desc, 0);
ret = bdrv_co_pwrite_sync(bs->file, s->desc_offset, DESC_SIZE, desc, 0);
out:
g_free(desc);
@ -2165,7 +2166,7 @@ vmdk_co_pwrite_zeroes(BlockDriverState *bs, int64_t offset, int64_t bytes,
return ret;
}
static int GRAPH_UNLOCKED
static int coroutine_fn GRAPH_UNLOCKED
vmdk_init_extent(BlockBackend *blk, int64_t filesize, bool flat, bool compress,
bool zeroed_grain, Error **errp)
{
@ -2176,7 +2177,7 @@ vmdk_init_extent(BlockBackend *blk, int64_t filesize, bool flat, bool compress,
int gd_buf_size;
if (flat) {
ret = blk_truncate(blk, filesize, false, PREALLOC_MODE_OFF, 0, errp);
ret = blk_co_truncate(blk, filesize, false, PREALLOC_MODE_OFF, 0, errp);
goto exit;
}
magic = cpu_to_be32(VMDK4_MAGIC);
@ -2228,19 +2229,19 @@ vmdk_init_extent(BlockBackend *blk, int64_t filesize, bool flat, bool compress,
header.check_bytes[3] = 0xa;
/* write all the data */
ret = blk_pwrite(blk, 0, sizeof(magic), &magic, 0);
ret = blk_co_pwrite(blk, 0, sizeof(magic), &magic, 0);
if (ret < 0) {
error_setg(errp, QERR_IO_ERROR);
goto exit;
}
ret = blk_pwrite(blk, sizeof(magic), sizeof(header), &header, 0);
ret = blk_co_pwrite(blk, sizeof(magic), sizeof(header), &header, 0);
if (ret < 0) {
error_setg(errp, QERR_IO_ERROR);
goto exit;
}
ret = blk_truncate(blk, le64_to_cpu(header.grain_offset) << 9, false,
PREALLOC_MODE_OFF, 0, errp);
ret = blk_co_truncate(blk, le64_to_cpu(header.grain_offset) << 9, false,
PREALLOC_MODE_OFF, 0, errp);
if (ret < 0) {
goto exit;
}
@ -2252,8 +2253,8 @@ vmdk_init_extent(BlockBackend *blk, int64_t filesize, bool flat, bool compress,
i < gt_count; i++, tmp += gt_size) {
gd_buf[i] = cpu_to_le32(tmp);
}
ret = blk_pwrite(blk, le64_to_cpu(header.rgd_offset) * BDRV_SECTOR_SIZE,
gd_buf_size, gd_buf, 0);
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);
goto exit;
@ -2264,8 +2265,8 @@ vmdk_init_extent(BlockBackend *blk, int64_t filesize, bool flat, bool compress,
i < gt_count; i++, tmp += gt_size) {
gd_buf[i] = cpu_to_le32(tmp);
}
ret = blk_pwrite(blk, le64_to_cpu(header.gd_offset) * BDRV_SECTOR_SIZE,
gd_buf_size, gd_buf, 0);
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);
}