File systems with a zoned RT device have a large number of reserved
blocks that are required for garbage collection, and which can't be
filled with user data. Exclude them from the available blocks reported
through stat(v)fs.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: "Darrick J. Wong" <djwong@xxxxxxxxxx>
---
fs/xfs/xfs_super.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 39b2bad67fcd..b6426f5c8b51 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -869,7 +869,8 @@ xfs_statfs_rt(
{
st->f_bfree = xfs_rtbxlen_to_blen(mp,
xfs_sum_freecounter(mp, XC_FREE_RTEXTENTS));
- st->f_blocks = mp->m_sb.sb_rblocks;
+ st->f_blocks = mp->m_sb.sb_rblocks - xfs_rtbxlen_to_blen(mp,
+ mp->m_free[XC_FREE_RTEXTENTS].res_total);
}
static void
--
2.45.2
