diff options
Diffstat (limited to 'fs/ext4/super.c')
| -rw-r--r-- | fs/ext4/super.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 8a3b9f14d198..abb7ec3f19b9 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -24,6 +24,7 @@ #include <linux/slab.h> #include <linux/init.h> #include <linux/blkdev.h> +#include <linux/backing-dev.h> #include <linux/parser.h> #include <linux/buffer_head.h> #include <linux/exportfs.h> @@ -945,6 +946,7 @@ static void init_once(void *foo) INIT_LIST_HEAD(&ei->i_orphan); init_rwsem(&ei->xattr_sem); init_rwsem(&ei->i_data_sem); + init_rwsem(&ei->i_mmap_sem); inode_init_once(&ei->vfs_inode); } @@ -3649,6 +3651,8 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) } if (test_opt(sb, DELALLOC)) clear_opt(sb, DELALLOC); + } else { + sb->s_iflags |= SB_I_CGROUPWB; } sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | |