block_int.h (4417ab7adf1613799054be5afedf810fc2524ee8) block_int.h (cfa1a5723f0fc8eb6563fb1d19c206fd5e40cd41)
1/*
2 * QEMU System Emulator block driver
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights

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468 * called.
469 *
470 * Note that this can be nested. If drained_begin() was called twice, new
471 * I/O is allowed only after drained_end() was called twice, too.
472 */
473 void (*drained_begin)(BdrvChild *child);
474 void (*drained_end)(BdrvChild *child);
475
1/*
2 * QEMU System Emulator block driver
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights

--- 459 unchanged lines hidden (view full) ---

468 * called.
469 *
470 * Note that this can be nested. If drained_begin() was called twice, new
471 * I/O is allowed only after drained_end() was called twice, too.
472 */
473 void (*drained_begin)(BdrvChild *child);
474 void (*drained_end)(BdrvChild *child);
475
476 /* Notifies the parent that the child has been activated (e.g. when
477 * migration is completing) and it can start requesting permissions and
478 * doing I/O on it. */
476 /* Notifies the parent that the child has been activated/inactivated (e.g.
477 * when migration is completing) and it can start/stop requesting
478 * permissions and doing I/O on it. */
479 void (*activate)(BdrvChild *child, Error **errp);
479 void (*activate)(BdrvChild *child, Error **errp);
480 int (*inactivate)(BdrvChild *child);
480
481 void (*attach)(BdrvChild *child);
482 void (*detach)(BdrvChild *child);
483};
484
485extern const BdrvChildRole child_file;
486extern const BdrvChildRole child_format;
487extern const BdrvChildRole child_backing;

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482 void (*attach)(BdrvChild *child);
483 void (*detach)(BdrvChild *child);
484};
485
486extern const BdrvChildRole child_file;
487extern const BdrvChildRole child_format;
488extern const BdrvChildRole child_backing;

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