From 51b72c17a3910df7872bfbb04abb187f34673aa2 Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Thu, 15 Aug 2024 11:58:27 -0700 Subject: [PATCH] xfs: enable extent size hints for CoW operations Wire up the copy-on-write extent size hint for realtime files, and connect it to the rt allocator so that we avoid fragmentation on rt filesystems. Signed-off-by: Darrick J. Wong --- libxfs/xfs_bmap.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c index 9dcd1cb8b..abbf076f9 100644 --- a/libxfs/xfs_bmap.c +++ b/libxfs/xfs_bmap.c @@ -6568,7 +6568,13 @@ xfs_get_cowextsz_hint( a = 0; if (ip->i_diflags2 & XFS_DIFLAG2_COWEXTSIZE) a = ip->i_cowextsize; - b = xfs_get_extsz_hint(ip); + if (XFS_IS_REALTIME_INODE(ip)) { + b = 0; + if (ip->i_diflags & XFS_DIFLAG_EXTSIZE) + b = ip->i_extsize; + } else { + b = xfs_get_extsz_hint(ip); + } a = max(a, b); if (a == 0) -- 2.50.1