mkfs: add 2025 LTS config file

Add a new configuration file with the defaults as of 6.18 LTS.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>

diff --git a/mkfs/Makefile b/mkfs/Makefile
index 04905bd5101ccbab2f64de5fb007315a59f03ae6..fb1473324cde7c96cdb5057562b6c62597fa0434 100644 (file)
--- a/mkfs/Makefile
+++ b/mkfs/Makefile
@@ -18,7 +18,8 @@ CFGFILES = \
        lts_5.15.conf \
        lts_6.1.conf \
        lts_6.6.conf \
-       lts_6.12.conf
+       lts_6.12.conf \
+       lts_6.18.conf
 
 LLDLIBS += $(LIBXFS) $(LIBXCMD) $(LIBFROG) $(LIBRT) $(LIBBLKID) \
        $(LIBUUID) $(LIBINIH) $(LIBURCU) $(LIBPTHREAD)

diff --git a/mkfs/lts_6.18.conf b/mkfs/lts_6.18.conf
new file mode 100644 (file)
index 0000000..2dbec51
--- /dev/null
+++ b/mkfs/lts_6.18.conf
@@ -0,0 +1,19 @@
+# V5 features that were the mkfs defaults when the upstream Linux 6.18 LTS
+# kernel was released at the end of 2025.
+
+[metadata]
+bigtime=1
+crc=1
+finobt=1
+inobtcount=1
+metadir=0
+reflink=1
+rmapbt=1
+
+[inode]
+sparse=1
+nrext64=1
+exchange=1
+
+[naming]
+parent=1