diff options
Diffstat (limited to 'fs/ufs/ufs_fs.h')
| -rw-r--r-- | fs/ufs/ufs_fs.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/ufs/ufs_fs.h b/fs/ufs/ufs_fs.h index eb9c0f2d19ec..6943ec677c0b 100644 --- a/fs/ufs/ufs_fs.h +++ b/fs/ufs/ufs_fs.h @@ -233,11 +233,16 @@ typedef __u16 __bitwise __fs16; */ #define ufs_cbtocylno(bno) \ ((bno) * uspi->s_nspf / uspi->s_spc) -#define ufs_cbtorpos(bno) \ +#define ufs_cbtorpos(bno) \ + ((UFS_SB(sb)->s_flags & UFS_CG_SUN) ? \ + (((((bno) * uspi->s_nspf % uspi->s_spc) % \ + uspi->s_nsect) * \ + uspi->s_nrpos) / uspi->s_nsect) \ + : \ ((((bno) * uspi->s_nspf % uspi->s_spc / uspi->s_nsect \ * uspi->s_trackskew + (bno) * uspi->s_nspf % uspi->s_spc \ % uspi->s_nsect * uspi->s_interleave) % uspi->s_nsect \ - * uspi->s_nrpos) / uspi->s_npsect) + * uspi->s_nrpos) / uspi->s_npsect)) /* * The following macros optimize certain frequently calculated |