diff options
Diffstat (limited to 'block/crypto.c')
| -rw-r--r-- | block/crypto.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/block/crypto.c b/block/crypto.c index b3f0233d53..921933a5e5 100644 --- a/block/crypto.c +++ b/block/crypto.c @@ -65,6 +65,9 @@ static int block_crypto_read_func(QCryptoBlock *block, BlockDriverState *bs = opaque; ssize_t ret; + GLOBAL_STATE_CODE(); + GRAPH_RDLOCK_GUARD_MAINLOOP(); + ret = bdrv_pread(bs->file, offset, buflen, buf, 0); if (ret < 0) { error_setg_errno(errp, -ret, "Could not read encryption header"); @@ -83,6 +86,9 @@ static int block_crypto_write_func(QCryptoBlock *block, BlockDriverState *bs = opaque; ssize_t ret; + GLOBAL_STATE_CODE(); + GRAPH_RDLOCK_GUARD_MAINLOOP(); + ret = bdrv_pwrite(bs->file, offset, buflen, buf, 0); if (ret < 0) { error_setg_errno(errp, -ret, "Could not write encryption header"); @@ -263,11 +269,15 @@ static int block_crypto_open_generic(QCryptoBlockFormat format, unsigned int cflags = 0; QDict *cryptoopts = NULL; + GLOBAL_STATE_CODE(); + ret = bdrv_open_file_child(NULL, options, "file", bs, errp); if (ret < 0) { return ret; } + GRAPH_RDLOCK_GUARD_MAINLOOP(); + bs->supported_write_flags = BDRV_REQ_FUA & bs->file->bs->supported_write_flags; |