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-rw-r--r--fs/ext4/super.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 753f4e6..c9ab67d 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1664,8 +1664,12 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token,
}
sbi->s_jquota_fmt = m->mount_opt;
#endif
-#ifndef CONFIG_FS_DAX
} else if (token == Opt_dax) {
+#ifdef CONFIG_FS_DAX
+ ext4_msg(sb, KERN_WARNING,
+ "DAX enabled. Warning: EXPERIMENTAL, use at your own risk");
+ sbi->s_mount_opt |= m->mount_opt;
+#else
ext4_msg(sb, KERN_INFO, "dax option not supported");
return -1;
#endif
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