Reserve DMU_BACKUP_FEATURE for ZSTD

Reserve bit 25 for the ZSTD compression feature from FreeBSD. Reviewed-by: George Melikov <mail@gmelikov.ru> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Matthew Ahrens <mahrens@delphix.com> Signed-off-by: Allan Jude <allanjude@freebsd.org> Closes #7626
openzfs · Jun 14, 2018 · 29445fe · 29445fe
1 parent 7e0594a
commit 29445fe
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/include/sys/zfs_ioctl.h b/include/sys/zfs_ioctl.h
@@ -105,6 +105,7 @@ typedef enum drr_headertype {
 #define	DMU_BACKUP_FEATURE_COMPRESSED		(1 << 22)
 #define	DMU_BACKUP_FEATURE_LARGE_DNODE		(1 << 23)
 #define	DMU_BACKUP_FEATURE_RAW			(1 << 24)
+/* flag #25 is reserved for the ZSTD compression feature */
 
 /*
  * Mask of all supported backup features