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-rw-r--r--cmd/zfs/zfs_main.c2
-rw-r--r--lib/libspl/include/sys/mount.h9
2 files changed, 11 insertions, 0 deletions
diff --git a/cmd/zfs/zfs_main.c b/cmd/zfs/zfs_main.c
index d27fcbf46..86f0d5c39 100644
--- a/cmd/zfs/zfs_main.c
+++ b/cmd/zfs/zfs_main.c
@@ -3875,7 +3875,9 @@ static const option_map_t option_map[] = {
#endif
/* Valid options not found in mount(8) */
{ MNTOPT_BIND, MS_BIND },
+#ifdef MS_REC
{ MNTOPT_RBIND, MS_BIND|MS_REC },
+#endif
{ MNTOPT_COMMENT, MS_COMMENT },
{ MNTOPT_BOOTWAIT, MS_COMMENT },
{ MNTOPT_NOBOOTWAIT, MS_COMMENT },
diff --git a/lib/libspl/include/sys/mount.h b/lib/libspl/include/sys/mount.h
index f6a67c6a0..9eb893fe6 100644
--- a/lib/libspl/include/sys/mount.h
+++ b/lib/libspl/include/sys/mount.h
@@ -42,6 +42,15 @@
#define BLKGETSIZE64 _IOR(0x12, 114, size_t)
#endif
+/*
+ * Some old glibc headers don't correctly define MS_DIRSYNC and
+ * instead use the enum name S_WRITE. When using these older
+ * headers define MS_DIRSYNC to be S_WRITE.
+ */
+#if !defined(MS_DIRSYNC)
+#define MS_DIRSYNC S_WRITE
+#endif
+
#define MS_USERS 0x40000000
#define MS_OWNER 0x10000000
#define MS_GROUP 0x08000000