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sys/fs/ext2fs/ext2_bmap.c
| Show First 20 Lines • Show All 66 Lines • ▼ Show 20 Lines | ext2_bmap(struct vop_bmap_args *ap) | ||||
| daddr_t blkno; | daddr_t blkno; | ||||
| int error; | int error; | ||||
| /* | /* | ||||
| * Check for underlying vnode requests and ensure that logical | * Check for underlying vnode requests and ensure that logical | ||||
| * to physical mapping is requested. | * to physical mapping is requested. | ||||
| */ | */ | ||||
| if (ap->a_bop != NULL) | if (ap->a_bop != NULL) | ||||
| *ap->a_bop = &VTOI(ap->a_vp)->i_devvp->v_bufobj; | *ap->a_bop = vp2bo(VTOI(ap->a_vp)->i_devvp); | ||||
| if (ap->a_bnp == NULL) | if (ap->a_bnp == NULL) | ||||
| return (0); | return (0); | ||||
| if (VTOI(ap->a_vp)->i_flag & IN_E4EXTENTS) | if (VTOI(ap->a_vp)->i_flag & IN_E4EXTENTS) | ||||
| error = ext4_bmapext(ap->a_vp, ap->a_bn, &blkno, | error = ext4_bmapext(ap->a_vp, ap->a_bn, &blkno, | ||||
| ap->a_runp, ap->a_runb); | ap->a_runp, ap->a_runb); | ||||
| else | else | ||||
| error = ext2_bmaparray(ap->a_vp, ap->a_bn, &blkno, | error = ext2_bmaparray(ap->a_vp, ap->a_bn, &blkno, | ||||
| ▲ Show 20 Lines • Show All 186 Lines • ▼ Show 20 Lines | ext2_bmaparray(struct vnode *vp, daddr_t bn, daddr_t *bnp, int *runp, int *runb) | ||||
| for (bp = NULL, ++ap; --num; ++ap) { | for (bp = NULL, ++ap; --num; ++ap) { | ||||
| /* | /* | ||||
| * Exit the loop if there is no disk address assigned yet and | * Exit the loop if there is no disk address assigned yet and | ||||
| * the indirect block isn't in the cache, or if we were | * the indirect block isn't in the cache, or if we were | ||||
| * looking for an indirect block and we've found it. | * looking for an indirect block and we've found it. | ||||
| */ | */ | ||||
| metalbn = ap->in_lbn; | metalbn = ap->in_lbn; | ||||
| if ((daddr == 0 && !incore(&vp->v_bufobj, metalbn)) || metalbn == bn) | if ((daddr == 0 && !incore(vp2bo(vp), metalbn)) || | ||||
| metalbn == bn) | |||||
| break; | break; | ||||
| /* | /* | ||||
| * If we get here, we've either got the block in the cache | * If we get here, we've either got the block in the cache | ||||
| * or we have a disk address for it, go fetch it. | * or we have a disk address for it, go fetch it. | ||||
| */ | */ | ||||
| if (bp) | if (bp) | ||||
| bqrelse(bp); | bqrelse(bp); | ||||
| error = readindir(vp, metalbn, daddr, &bp); | error = readindir(vp, metalbn, daddr, &bp); | ||||
| ▲ Show 20 Lines • Show All 228 Lines • Show Last 20 Lines | |||||