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sys/fs/unionfs/union_vnops.c
| Show First 20 Lines • Show All 1,862 Lines • ▼ Show 20 Lines | unionfs_lock(struct vop_lock1_args *ap) | ||||
| if (ump == NULL || unp == NULL) | if (ump == NULL || unp == NULL) | ||||
| goto unionfs_lock_null_vnode; | goto unionfs_lock_null_vnode; | ||||
| lvp = unp->un_lowervp; | lvp = unp->un_lowervp; | ||||
| uvp = unp->un_uppervp; | uvp = unp->un_uppervp; | ||||
| if ((revlock = unionfs_get_llt_revlock(vp, flags)) == 0) | if ((revlock = unionfs_get_llt_revlock(vp, flags)) == 0) | ||||
| panic("unknown lock type: 0x%x", flags & LK_TYPE_MASK); | panic("unknown lock type: 0x%x", flags & LK_TYPE_MASK); | ||||
| if ((vp->v_iflag & VI_OWEINACT) != 0) | if ((vp->v_irflag & VIRF_OWEINACT) != 0) | ||||
| flags |= LK_NOWAIT; | flags |= LK_NOWAIT; | ||||
| /* | /* | ||||
| * Sometimes, lower or upper is already exclusive locked. | * Sometimes, lower or upper is already exclusive locked. | ||||
| * (ex. vfs_domount: mounted vnode is already locked.) | * (ex. vfs_domount: mounted vnode is already locked.) | ||||
| */ | */ | ||||
| if ((flags & LK_TYPE_MASK) == LK_EXCLUSIVE && | if ((flags & LK_TYPE_MASK) == LK_EXCLUSIVE && | ||||
| vp == ump->um_rootvp) | vp == ump->um_rootvp) | ||||
| ▲ Show 20 Lines • Show All 678 Lines • Show Last 20 Lines | |||||