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sys/boot/common/ufsread.c
| Show First 20 Lines • Show All 181 Lines • ▼ Show 20 Lines | #endif | ||||
| size_t n, nb, size, off, vboff; | size_t n, nb, size, off, vboff; | ||||
| ufs_lbn_t lbn; | ufs_lbn_t lbn; | ||||
| ufs2_daddr_t addr2, vbaddr; | ufs2_daddr_t addr2, vbaddr; | ||||
| static ufs2_daddr_t blkmap, indmap; | static ufs2_daddr_t blkmap, indmap; | ||||
| u_int u; | u_int u; | ||||
| blkbuf = dmadat->blkbuf; | blkbuf = dmadat->blkbuf; | ||||
| indbuf = dmadat->indbuf; | indbuf = dmadat->indbuf; | ||||
| if (!dsk_meta) { | |||||
| /* | |||||
| * Force probe if inode is zero to ensure we have a valid fs, otherwise | |||||
| * when probing multiple paritions, reads from subsequent parititions | |||||
| * will incorrectly succeed. | |||||
| */ | |||||
| if (!dsk_meta || inode == 0) { | |||||
| inomap = 0; | inomap = 0; | ||||
| dsk_meta = 0; | |||||
| for (n = 0; sblock_try[n] != -1; n++) { | for (n = 0; sblock_try[n] != -1; n++) { | ||||
| if (dskread(dmadat->sbbuf, sblock_try[n] / DEV_BSIZE, | if (dskread(dmadat->sbbuf, sblock_try[n] / DEV_BSIZE, | ||||
| SBLOCKSIZE / DEV_BSIZE)) | SBLOCKSIZE / DEV_BSIZE)) | ||||
| return -1; | return -1; | ||||
| memcpy(&fs, dmadat->sbbuf, sizeof(struct fs)); | memcpy(&fs, dmadat->sbbuf, sizeof(struct fs)); | ||||
| if (( | if (( | ||||
| #if defined(UFS1_ONLY) | #if defined(UFS1_ONLY) | ||||
| fs.fs_magic == FS_UFS1_MAGIC | fs.fs_magic == FS_UFS1_MAGIC | ||||
| ▲ Show 20 Lines • Show All 104 Lines • Show Last 20 Lines | |||||