| block.c (317fc44ef2bfa87e96adecf035ed136ed9d78c8f) | block.c (5669b44de5b3b607a3a4749e0c8c5ddfd723e76b) |
|---|---|
| 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 --- 779 unchanged lines hidden (view full) --- 788 flags |= BDRV_O_CACHE_WB | BDRV_O_UNMAP; 789 790 /* The backing file of a temporary snapshot is read-only */ 791 if (flags & BDRV_O_SNAPSHOT) { 792 flags &= ~BDRV_O_RDWR; 793 } 794 795 /* Clear flags that only apply to the top layer */ | 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 --- 779 unchanged lines hidden (view full) --- 788 flags |= BDRV_O_CACHE_WB | BDRV_O_UNMAP; 789 790 /* The backing file of a temporary snapshot is read-only */ 791 if (flags & BDRV_O_SNAPSHOT) { 792 flags &= ~BDRV_O_RDWR; 793 } 794 795 /* Clear flags that only apply to the top layer */ |
| 796 flags &= ~(BDRV_O_SNAPSHOT | BDRV_O_NO_BACKING); | 796 flags &= ~(BDRV_O_SNAPSHOT | BDRV_O_NO_BACKING | BDRV_O_COPY_ON_READ); |
| 797 798 return flags; 799} 800 801/* 802 * Returns the flags that bs->backing_hd should get, based on the given flags 803 * for the parent BDS 804 */ --- 4776 unchanged lines hidden --- | 797 798 return flags; 799} 800 801/* 802 * Returns the flags that bs->backing_hd should get, based on the given flags 803 * for the parent BDS 804 */ --- 4776 unchanged lines hidden --- |