diff mbox series

[48/56] xfs: enable extent size hints for CoW operations

Message ID 173888087528.2739176.98861749480447172.stgit@frogsfrogsfrogs (mailing list archive)
State Not Applicable, archived
Headers show
Series [01/56] xfs: tidy up xfs_iroot_realloc | expand

Commit Message

Darrick J. Wong Feb. 6, 2025, 10:47 p.m. UTC 
From: Darrick J. Wong <djwong@kernel.org>

Source kernel commit: 8e84e8052bc283ebb37f929eb9fb97483ea7385e

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" <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 libxfs/xfs_bmap.c |    8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c
index ed969983cccd1b..1f7326acbf7cb2 100644
--- a/libxfs/xfs_bmap.c
+++ b/libxfs/xfs_bmap.c
@@ -6518,7 +6518,13 @@  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)