btrfs: btrfs_inherit_iflags() can be static

btrfs_new_inode() is the only consumer move it to inode.c,
from ioctl.c.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

fs/btrfs/ctree.h

@@ -3230,7 +3230,6 @@ long btrfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
 long btrfs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
 int btrfs_ioctl_get_supported_features(void __user *arg);
 void btrfs_update_iflags(struct inode *inode);
-void btrfs_inherit_iflags(struct inode *inode, struct inode *dir);
 int btrfs_is_empty_uuid(u8 *uuid);
 int btrfs_defrag_file(struct inode *inode, struct file *file,
 		      struct btrfs_ioctl_defrag_range_args *range,

fs/btrfs/inode.c

@@ -6183,6 +6183,37 @@ static int btrfs_insert_inode_locked(struct inode *inode)
 		   btrfs_find_actor, &args);
 }
 
+/*
+ * Inherit flags from the parent inode.
+ *
+ * Currently only the compression flags and the cow flags are inherited.
+ */
+static void btrfs_inherit_iflags(struct inode *inode, struct inode *dir)
+{
+	unsigned int flags;
+
+	if (!dir)
+		return;
+
+	flags = BTRFS_I(dir)->flags;
+
+	if (flags & BTRFS_INODE_NOCOMPRESS) {
+		BTRFS_I(inode)->flags &= ~BTRFS_INODE_COMPRESS;
+		BTRFS_I(inode)->flags |= BTRFS_INODE_NOCOMPRESS;
+	} else if (flags & BTRFS_INODE_COMPRESS) {
+		BTRFS_I(inode)->flags &= ~BTRFS_INODE_NOCOMPRESS;
+		BTRFS_I(inode)->flags |= BTRFS_INODE_COMPRESS;
+	}
+
+	if (flags & BTRFS_INODE_NODATACOW) {
+		BTRFS_I(inode)->flags |= BTRFS_INODE_NODATACOW;
+		if (S_ISREG(inode->i_mode))
+			BTRFS_I(inode)->flags |= BTRFS_INODE_NODATASUM;
+	}
+
+	btrfs_update_iflags(inode);
+}
+
 static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans,
 				     struct btrfs_root *root,
 				     struct inode *dir,

fs/btrfs/ioctl.c

@@ -156,37 +156,6 @@ void btrfs_update_iflags(struct inode *inode)
 		      new_fl);
 }
 
-/*
- * Inherit flags from the parent inode.
- *
- * Currently only the compression flags and the cow flags are inherited.
- */
-void btrfs_inherit_iflags(struct inode *inode, struct inode *dir)
-{
-	unsigned int flags;
-
-	if (!dir)
-		return;
-
-	flags = BTRFS_I(dir)->flags;
-
-	if (flags & BTRFS_INODE_NOCOMPRESS) {
-		BTRFS_I(inode)->flags &= ~BTRFS_INODE_COMPRESS;
-		BTRFS_I(inode)->flags |= BTRFS_INODE_NOCOMPRESS;
-	} else if (flags & BTRFS_INODE_COMPRESS) {
-		BTRFS_I(inode)->flags &= ~BTRFS_INODE_NOCOMPRESS;
-		BTRFS_I(inode)->flags |= BTRFS_INODE_COMPRESS;
-	}
-
-	if (flags & BTRFS_INODE_NODATACOW) {
-		BTRFS_I(inode)->flags |= BTRFS_INODE_NODATACOW;
-		if (S_ISREG(inode->i_mode))
-			BTRFS_I(inode)->flags |= BTRFS_INODE_NODATASUM;
-	}
-
-	btrfs_update_iflags(inode);
-}
-
 static int btrfs_ioctl_getflags(struct file *file, void __user *arg)
 {
 	struct btrfs_inode *ip = BTRFS_I(file_inode(file));