diff options
Diffstat (limited to 'block/qcow2.c')
| -rw-r--r-- | block/qcow2.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/block/qcow2.c b/block/qcow2.c index 30fd53fa64..fe5def438e 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -199,10 +199,10 @@ qcow2_extract_crypto_opts(QemuOpts *opts, const char *fmt, Error **errp) * unknown magic is skipped (future extension this version knows nothing about) * return 0 upon success, non-0 otherwise */ -static int qcow2_read_extensions(BlockDriverState *bs, uint64_t start_offset, - uint64_t end_offset, void **p_feature_table, - int flags, bool *need_update_header, - Error **errp) +static int coroutine_fn GRAPH_RDLOCK +qcow2_read_extensions(BlockDriverState *bs, uint64_t start_offset, + uint64_t end_offset, void **p_feature_table, + int flags, bool *need_update_header, Error **errp) { BDRVQcow2State *s = bs->opaque; QCowExtension ext; @@ -228,7 +228,7 @@ static int qcow2_read_extensions(BlockDriverState *bs, uint64_t start_offset, printf("attempting to read extended header in offset %lu\n", offset); #endif - ret = bdrv_pread(bs->file, offset, sizeof(ext), &ext, 0); + ret = bdrv_co_pread(bs->file, offset, sizeof(ext), &ext, 0); if (ret < 0) { error_setg_errno(errp, -ret, "qcow2_read_extension: ERROR: " "pread fail from offset %" PRIu64, offset); @@ -256,7 +256,7 @@ static int qcow2_read_extensions(BlockDriverState *bs, uint64_t start_offset, sizeof(bs->backing_format)); return 2; } - ret = bdrv_pread(bs->file, offset, ext.len, bs->backing_format, 0); + ret = bdrv_co_pread(bs->file, offset, ext.len, bs->backing_format, 0); if (ret < 0) { error_setg_errno(errp, -ret, "ERROR: ext_backing_format: " "Could not read format name"); @@ -272,7 +272,7 @@ static int qcow2_read_extensions(BlockDriverState *bs, uint64_t start_offset, case QCOW2_EXT_MAGIC_FEATURE_TABLE: if (p_feature_table != NULL) { void *feature_table = g_malloc0(ext.len + 2 * sizeof(Qcow2Feature)); - ret = bdrv_pread(bs->file, offset, ext.len, feature_table, 0); + ret = bdrv_co_pread(bs->file, offset, ext.len, feature_table, 0); if (ret < 0) { error_setg_errno(errp, -ret, "ERROR: ext_feature_table: " "Could not read table"); @@ -298,7 +298,7 @@ static int qcow2_read_extensions(BlockDriverState *bs, uint64_t start_offset, return -EINVAL; } - ret = bdrv_pread(bs->file, offset, ext.len, &s->crypto_header, 0); + ret = bdrv_co_pread(bs->file, offset, ext.len, &s->crypto_header, 0); if (ret < 0) { error_setg_errno(errp, -ret, "Unable to read CRYPTO header extension"); @@ -354,7 +354,7 @@ static int qcow2_read_extensions(BlockDriverState *bs, uint64_t start_offset, break; } - ret = bdrv_pread(bs->file, offset, ext.len, &bitmaps_ext, 0); + ret = bdrv_co_pread(bs->file, offset, ext.len, &bitmaps_ext, 0); if (ret < 0) { error_setg_errno(errp, -ret, "bitmaps_ext: " "Could not read ext header"); @@ -418,7 +418,7 @@ static int qcow2_read_extensions(BlockDriverState *bs, uint64_t start_offset, case QCOW2_EXT_MAGIC_DATA_FILE: { s->image_data_file = g_malloc0(ext.len + 1); - ret = bdrv_pread(bs->file, offset, ext.len, s->image_data_file, 0); + ret = bdrv_co_pread(bs->file, offset, ext.len, s->image_data_file, 0); if (ret < 0) { error_setg_errno(errp, -ret, "ERROR: Could not read data file name"); @@ -442,7 +442,7 @@ static int qcow2_read_extensions(BlockDriverState *bs, uint64_t start_offset, uext->len = ext.len; QLIST_INSERT_HEAD(&s->unknown_header_ext, uext, next); - ret = bdrv_pread(bs->file, offset, uext->len, uext->data, 0); + ret = bdrv_co_pread(bs->file, offset, uext->len, uext->data, 0); if (ret < 0) { error_setg_errno(errp, -ret, "ERROR: unknown extension: " "Could not read data"); @@ -1241,8 +1241,9 @@ static void qcow2_update_options_abort(BlockDriverState *bs, qapi_free_QCryptoBlockOpenOptions(r->crypto_opts); } -static int qcow2_update_options(BlockDriverState *bs, QDict *options, - int flags, Error **errp) +static int coroutine_fn +qcow2_update_options(BlockDriverState *bs, QDict *options, int flags, + Error **errp) { Qcow2ReopenState r = {}; int ret; |