From 46d9bfb5e706493777b9dfed666cd8967f69e6fd Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Tue, 16 Jan 2018 18:53:10 -0800 Subject: xfs: cross-reference the realtime bitmap While we're scrubbing various btrees, cross-reference the records with the other metadata. Signed-off-by: Darrick J. Wong Reviewed-by: Dave Chinner --- fs/xfs/libxfs/xfs_rtbitmap.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'fs/xfs/libxfs') diff --git a/fs/xfs/libxfs/xfs_rtbitmap.c b/fs/xfs/libxfs/xfs_rtbitmap.c index 3fb29a5ea915..106be2d0bb88 100644 --- a/fs/xfs/libxfs/xfs_rtbitmap.c +++ b/fs/xfs/libxfs/xfs_rtbitmap.c @@ -1097,3 +1097,24 @@ xfs_verify_rtbno( { return rtbno < mp->m_sb.sb_rblocks; } + +/* Is the given extent all free? */ +int +xfs_rtalloc_extent_is_free( + struct xfs_mount *mp, + struct xfs_trans *tp, + xfs_rtblock_t start, + xfs_extlen_t len, + bool *is_free) +{ + xfs_rtblock_t end; + int matches; + int error; + + error = xfs_rtcheck_range(mp, tp, start, len, 1, &end, &matches); + if (error) + return error; + + *is_free = matches; + return 0; +} -- cgit v1.2.3