openbmc/qemu/block.c

2347                                 uint64_t shared, Transaction *tran)
2359     c->shared_perm = shared;
2708 int bdrv_child_try_set_perm(BdrvChild *c, uint64_t perm, uint64_t shared,
2717     bdrv_child_set_perm(c, perm, shared, tran);
2724         if ((perm & ~c->perm) || (c->shared_perm & ~shared)) {
2745     uint64_t perms, shared;
2751                     parent_perms, parent_shared, &perms, &shared);
2753     return bdrv_child_try_set_perm(c, perms, shared, errp);
2764                                       uint64_t perm, uint64_t shared,
2769     *nshared = (shared & DEFAULT_PERM_PASSTHROUGH) | DEFAULT_PERM_UNCHANGED;
2775                                        uint64_t perm, uint64_t shared,
2792     if (shared & BLK_PERM_WRITE) {
2793         shared = BLK_PERM_WRITE | BLK_PERM_RESIZE;
2795         shared = 0;
2798     shared |= BLK_PERM_CONSISTENT_READ | BLK_PERM_WRITE_UNCHANGED;
2801         shared |= BLK_PERM_WRITE | BLK_PERM_RESIZE;
2805     *nshared = shared;
2811                                            uint64_t perm, uint64_t shared,
2826                               perm, shared, &perm, &shared);
2842         shared &= ~(BLK_PERM_WRITE | BLK_PERM_RESIZE);
2860         shared &= ~BLK_PERM_RESIZE;
2881         shared |= BLK_PERM_WRITE | BLK_PERM_RESIZE;
2885     *nshared = shared;
2890                         uint64_t perm, uint64_t shared,
2898                                   perm, shared, nperm, nshared);
2902                                    perm, shared, nperm, nshared);
2905                                        perm, shared, nperm, nshared);
6049  * backing file that is shared by @in_bs then backing clusters may be omitted