commit bdf95d475834a79a8338bc82d3cf1d59b8079d1a
author Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Mon Oct 17 09:41:08 2016 +0300
committer Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Mon Oct 17 09:41:08 2016 +0300
tree 42e0f4098039c9d780cadd27080fa7e5219f0fbb
parent 4c37a5a798dfd6b5e66e704bff739498c5f40db8

TESTING-ONLY: ext4: force huge pages on all mounts

fs/ext4/inode.c

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index fd243e9..dc9463a 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4384,6 +4384,9 @@
 	if (S_ISREG(inode->i_mode) && !ext4_encrypted_inode(inode)) {
 		if (test_opt(inode->i_sb, DAX))
 			new_fl |= S_DAX;
+#if 1
+		new_fl |= S_HUGE_ALWAYS;
+#else
 		switch (test_opt(inode->i_sb, HUGE_MODE)) {
 		case EXT4_MOUNT_HUGE_NEVER:
 			break;
@@ -4397,6 +4400,7 @@
 			new_fl |= S_HUGE_ADVISE;
 			break;
 		}
+#endif
 	}
 	mask = S_SYNC | S_APPEND | S_IMMUTABLE | S_NOATIME |
 		S_DIRSYNC | S_DAX | S_HUGE_MODE;