diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_rtbitmap.h')
-rw-r--r-- | fs/xfs/libxfs/xfs_rtbitmap.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_rtbitmap.h b/fs/xfs/libxfs/xfs_rtbitmap.h index ecf5645dd670..3686a53e0aed 100644 --- a/fs/xfs/libxfs/xfs_rtbitmap.h +++ b/fs/xfs/libxfs/xfs_rtbitmap.h @@ -11,6 +11,9 @@ xfs_rtx_to_rtb( struct xfs_mount *mp, xfs_rtxnum_t rtx) { + if (mp->m_rtxblklog >= 0) + return rtx << mp->m_rtxblklog; + return rtx * mp->m_sb.sb_rextsize; } @@ -19,6 +22,9 @@ xfs_rtxlen_to_extlen( struct xfs_mount *mp, xfs_rtxlen_t rtxlen) { + if (mp->m_rtxblklog >= 0) + return rtxlen << mp->m_rtxblklog; + return rtxlen * mp->m_sb.sb_rextsize; } @@ -28,6 +34,9 @@ xfs_extlen_to_rtxmod( struct xfs_mount *mp, xfs_extlen_t len) { + if (mp->m_rtxblklog >= 0) + return len & mp->m_rtxblkmask; + return len % mp->m_sb.sb_rextsize; } @@ -36,6 +45,9 @@ xfs_extlen_to_rtxlen( struct xfs_mount *mp, xfs_extlen_t len) { + if (mp->m_rtxblklog >= 0) + return len >> mp->m_rtxblklog; + return len / mp->m_sb.sb_rextsize; } @@ -45,6 +57,9 @@ xfs_rtb_to_rtx( struct xfs_mount *mp, xfs_rtblock_t rtbno) { + if (likely(mp->m_rtxblklog >= 0)) + return rtbno >> mp->m_rtxblklog; + return div_u64(rtbno, mp->m_sb.sb_rextsize); } @@ -54,6 +69,9 @@ xfs_rtb_to_rtxoff( struct xfs_mount *mp, xfs_rtblock_t rtbno) { + if (likely(mp->m_rtxblklog >= 0)) + return rtbno & mp->m_rtxblkmask; + return do_div(rtbno, mp->m_sb.sb_rextsize); } @@ -67,6 +85,11 @@ xfs_rtb_to_rtxrem( xfs_rtblock_t rtbno, xfs_extlen_t *off) { + if (likely(mp->m_rtxblklog >= 0)) { + *off = rtbno & mp->m_rtxblkmask; + return rtbno >> mp->m_rtxblklog; + } + return div_u64_rem(rtbno, mp->m_sb.sb_rextsize, off); } @@ -79,6 +102,12 @@ xfs_rtb_to_rtxup( struct xfs_mount *mp, xfs_rtblock_t rtbno) { + if (likely(mp->m_rtxblklog >= 0)) { + if (rtbno & mp->m_rtxblkmask) + return (rtbno >> mp->m_rtxblklog) + 1; + return rtbno >> mp->m_rtxblklog; + } + if (do_div(rtbno, mp->m_sb.sb_rextsize)) rtbno++; return rtbno; |