diff mbox series

[29/44] xfs: hide reserved RT blocks from statfs

Message ID 20250226185723.518867-30-hch@lst.de (mailing list archive)
State New
Headers show
Series [01/44] xfs: reflow xfs_dec_freecounter | expand

Commit Message

Christoph Hellwig Feb. 26, 2025, 6:57 p.m. UTC 
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@lst.de>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
---
 fs/xfs/xfs_super.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

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