diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_types.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_types.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_types.c b/fs/xfs/libxfs/xfs_types.c index b74866dbea94..7b310eb296b7 100644 --- a/fs/xfs/libxfs/xfs_types.c +++ b/fs/xfs/libxfs/xfs_types.c @@ -198,6 +198,22 @@ xfs_verify_rtbno( return rtbno < mp->m_sb.sb_rblocks; } +/* Verify that a realtime device extent is fully contained inside the volume. */ +bool +xfs_verify_rtext( + struct xfs_mount *mp, + xfs_rtblock_t rtbno, + xfs_rtblock_t len) +{ + if (rtbno + len <= rtbno) + return false; + + if (!xfs_verify_rtbno(mp, rtbno)) + return false; + + return xfs_verify_rtbno(mp, rtbno + len - 1); +} + /* Calculate the range of valid icount values. */ void xfs_icount_range( |