Merge commit 'c039c332f23e794deb6d6f37b9f07ff3b27fb2cf' into md

Pull in pre-requisites for adding raid10 support to dm-raid.

4 files changed, 9 insertions, 8 deletions

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 01c21b6c6d43..deafe19c34b5 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -929,7 +929,8 @@ int set_extent_bit(struct extent_io_tree *tree, u64 start, u64 end, int bits,
 
 
 /**
- * convert_extent - convert all bits in a given range from one bit to another
+ * convert_extent_bit - convert all bits in a given range from one bit to
+ *                      another
  * @tree:       the io tree to search
  * @start:      the start offset in bytes
  * @end:        the end offset in bytes (inclusive)
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index a7d1921ac76b..fb8d671d00e6 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4247,7 +4247,7 @@ static void btrfs_dentry_release(struct dentry *dentry)
 }
 
 static struct dentry *btrfs_lookup(struct inode *dir, struct dentry *dentry,
-                                   struct nameidata *nd)
+                                   unsigned int flags)
 {
         struct dentry *ret;
 
@@ -4893,7 +4893,7 @@ out_unlock:
 }
 
 static int btrfs_create(struct inode *dir, struct dentry *dentry,
-                        umode_t mode, struct nameidata *nd)
+                        umode_t mode, bool excl)
 {
         struct btrfs_trans_handle *trans;
         struct btrfs_root *root = BTRFS_I(dir)->root;
@@ -6987,7 +6987,7 @@ void btrfs_destroy_inode(struct inode *inode)
         struct btrfs_ordered_extent *ordered;
         struct btrfs_root *root = BTRFS_I(inode)->root;
 
-        WARN_ON(!list_empty(&inode->i_dentry));
+        WARN_ON(!hlist_empty(&inode->i_dentry));
         WARN_ON(inode->i_data.nrpages);
         WARN_ON(BTRFS_I(inode)->outstanding_extents);
         WARN_ON(BTRFS_I(inode)->reserved_extents);
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 0e92e5763005..1e9f6c019ad0 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -3268,7 +3268,7 @@ static long btrfs_ioctl_balance(struct file *file, void __user *arg)
         if (fs_info->sb->s_flags & MS_RDONLY)
                 return -EROFS;
 
-        ret = mnt_want_write(file->f_path.mnt);
+        ret = mnt_want_write_file(file);
         if (ret)
                 return ret;
 
@@ -3338,7 +3338,7 @@ out_bargs:
 out:
         mutex_unlock(&fs_info->balance_mutex);
         mutex_unlock(&fs_info->volume_mutex);
-        mnt_drop_write(file->f_path.mnt);
+        mnt_drop_write_file(file);
         return ret;
 }
 
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index e23991574fdf..b19d75567728 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1068,7 +1068,8 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags,
         }
 
         bdev = fs_devices->latest_bdev;
-        s = sget(fs_type, btrfs_test_super, btrfs_set_super, fs_info);
+        s = sget(fs_type, btrfs_test_super, btrfs_set_super, flags | MS_NOSEC,
+                 fs_info);
         if (IS_ERR(s)) {
                 error = PTR_ERR(s);
                 goto error_close_devices;
@@ -1082,7 +1083,6 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags,
         } else {
                 char b[BDEVNAME_SIZE];
 
-                s->s_flags = flags | MS_NOSEC;
                 strlcpy(s->s_id, bdevname(bdev, b), sizeof(s->s_id));
                 btrfs_sb(s)->bdev_holder = fs_type;
                 error = btrfs_fill_super(s, fs_devices, data,