diff options
Diffstat (limited to 'blockdev.c')
| -rw-r--r-- | blockdev.c | 29 |
1 files changed, 23 insertions, 6 deletions
@@ -662,6 +662,7 @@ err_no_opts: /* Takes the ownership of bs_opts */ BlockDriverState *bds_tree_init(QDict *bs_opts, Error **errp) { + BlockDriverState *bs; int bdrv_flags = 0; GLOBAL_STATE_CODE(); @@ -676,7 +677,11 @@ BlockDriverState *bds_tree_init(QDict *bs_opts, Error **errp) bdrv_flags |= BDRV_O_INACTIVE; } - return bdrv_open(NULL, NULL, bs_opts, bdrv_flags, errp); + aio_context_acquire(qemu_get_aio_context()); + bs = bdrv_open(NULL, NULL, bs_opts, bdrv_flags, errp); + aio_context_release(qemu_get_aio_context()); + + return bs; } void blockdev_close_all_bdrv_states(void) @@ -1480,14 +1485,20 @@ static void external_snapshot_action(TransactionAction *action, } qdict_put_str(options, "driver", format); } + aio_context_release(aio_context); + aio_context_acquire(qemu_get_aio_context()); state->new_bs = bdrv_open(new_image_file, snapshot_ref, options, flags, errp); + aio_context_release(qemu_get_aio_context()); + /* We will manually add the backing_hd field to the bs later */ if (!state->new_bs) { - goto out; + return; } + aio_context_acquire(aio_context); + /* * Allow attaching a backing file to an overlay that's already in use only * if the parents don't assume that they are already seeing a valid image. @@ -1732,15 +1743,18 @@ static void drive_backup_action(DriveBackup *backup, if (format) { qdict_put_str(options, "driver", format); } + aio_context_release(aio_context); + aio_context_acquire(qemu_get_aio_context()); target_bs = bdrv_open(backup->target, NULL, options, flags, errp); + aio_context_release(qemu_get_aio_context()); + if (!target_bs) { - goto out; + return; } /* Honor bdrv_try_change_aio_context() context acquisition requirements. */ old_context = bdrv_get_aio_context(target_bs); - aio_context_release(aio_context); aio_context_acquire(old_context); ret = bdrv_try_change_aio_context(target_bs, aio_context, NULL, errp); @@ -3066,13 +3080,17 @@ void qmp_drive_mirror(DriveMirror *arg, Error **errp) if (format) { qdict_put_str(options, "driver", format); } + aio_context_release(aio_context); /* Mirroring takes care of copy-on-write using the source's backing * file. */ + aio_context_acquire(qemu_get_aio_context()); target_bs = bdrv_open(arg->target, NULL, options, flags, errp); + aio_context_release(qemu_get_aio_context()); + if (!target_bs) { - goto out; + return; } zero_target = (arg->sync == MIRROR_SYNC_MODE_FULL && @@ -3082,7 +3100,6 @@ void qmp_drive_mirror(DriveMirror *arg, Error **errp) /* Honor bdrv_try_change_aio_context() context acquisition requirements. */ old_context = bdrv_get_aio_context(target_bs); - aio_context_release(aio_context); aio_context_acquire(old_context); ret = bdrv_try_change_aio_context(target_bs, aio_context, NULL, errp); |