diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_rtbitmap.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_rtbitmap.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_rtbitmap.c b/fs/xfs/libxfs/xfs_rtbitmap.c index fa180ab66b73a..655108a4cd05d 100644 --- a/fs/xfs/libxfs/xfs_rtbitmap.c +++ b/fs/xfs/libxfs/xfs_rtbitmap.c @@ -1005,6 +1005,39 @@ xfs_rtfree_extent( return 0; } +/* + * Free some blocks in the realtime subvolume. rtbno and rtlen are in units of + * rt blocks, not rt extents; must be aligned to the rt extent size; and rtlen + * cannot exceed XFS_MAX_BMBT_EXTLEN. + */ +int +xfs_rtfree_blocks( + struct xfs_trans *tp, + xfs_fsblock_t rtbno, + xfs_filblks_t rtlen) +{ + struct xfs_mount *mp = tp->t_mountp; + xfs_rtblock_t bno; + xfs_filblks_t len; + xfs_extlen_t mod; + + ASSERT(rtlen <= XFS_MAX_BMBT_EXTLEN); + + len = div_u64_rem(rtlen, mp->m_sb.sb_rextsize, &mod); + if (mod) { + ASSERT(mod == 0); + return -EIO; + } + + bno = div_u64_rem(rtbno, mp->m_sb.sb_rextsize, &mod); + if (mod) { + ASSERT(mod == 0); + return -EIO; + } + + return xfs_rtfree_extent(tp, bno, len); +} + /* Find all the free records within a given range. */ int xfs_rtalloc_query_range( |