[PATCH 44/46] xfs: remove the now unused dir ops infrastructure

[Christoph Hellwig <hch@lst.de>]

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
---
 fs/xfs/Makefile               |  1 -
 fs/xfs/libxfs/xfs_da_btree.h  |  1 -
 fs/xfs/libxfs/xfs_da_format.c | 46 -----------------------------------
 fs/xfs/libxfs/xfs_dir2.c      |  2 --
 fs/xfs/libxfs/xfs_dir2.h      |  9 -------
 fs/xfs/xfs_inode.h            |  3 ---
 fs/xfs/xfs_iops.c             |  1 -
 fs/xfs/xfs_mount.h            |  2 --
 8 files changed, 65 deletions(-)
 delete mode 100644 fs/xfs/libxfs/xfs_da_format.c

diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile
index 06b68b6115bc..aceca2f9a3db 100644
--- a/fs/xfs/Makefile
+++ b/fs/xfs/Makefile
@@ -27,7 +27,6 @@ xfs-y				+= $(addprefix libxfs/, \
 				   xfs_bmap_btree.o \
 				   xfs_btree.o \
 				   xfs_da_btree.o \
-				   xfs_da_format.o \
 				   xfs_defer.o \
 				   xfs_dir2.o \
 				   xfs_dir2_block.o \
diff --git a/fs/xfs/libxfs/xfs_da_btree.h b/fs/xfs/libxfs/xfs_da_btree.h
index 4ac2cc87c28f..5af4df71e92b 100644
--- a/fs/xfs/libxfs/xfs_da_btree.h
+++ b/fs/xfs/libxfs/xfs_da_btree.h
@@ -10,7 +10,6 @@
 struct xfs_inode;
 struct xfs_trans;
 struct zone;
-struct xfs_dir_ops;
 
 /*
  * Directory/attribute geometry information. There will be one of these for each
diff --git a/fs/xfs/libxfs/xfs_da_format.c b/fs/xfs/libxfs/xfs_da_format.c
deleted file mode 100644
index 498363ac193d..000000000000
--- a/fs/xfs/libxfs/xfs_da_format.c
+++ /dev/null
@@ -1,46 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (c) 2000,2002,2005 Silicon Graphics, Inc.
- * Copyright (c) 2013 Red Hat, Inc.
- * All Rights Reserved.
- */
-#include "xfs.h"
-#include "xfs_fs.h"
-#include "xfs_shared.h"
-#include "xfs_format.h"
-#include "xfs_log_format.h"
-#include "xfs_trans_resv.h"
-#include "xfs_mount.h"
-#include "xfs_inode.h"
-#include "xfs_dir2.h"
-#include "xfs_dir2_priv.h"
-
-static const struct xfs_dir_ops xfs_dir2_ops = {
-};
-
-static const struct xfs_dir_ops xfs_dir2_ftype_ops = {
-};
-
-static const struct xfs_dir_ops xfs_dir3_ops = {
-};
-
-/*
- * Return the ops structure according to the current config.  If we are passed
- * an inode, then that overrides the default config we use which is based on
- * feature bits.
- */
-const struct xfs_dir_ops *
-xfs_dir_get_ops(
-	struct xfs_mount	*mp,
-	struct xfs_inode	*dp)
-{
-	if (dp)
-		return dp->d_ops;
-	if (mp->m_dir_inode_ops)
-		return mp->m_dir_inode_ops;
-	if (xfs_sb_version_hascrc(&mp->m_sb))
-		return &xfs_dir3_ops;
-	if (xfs_sb_version_hasftype(&mp->m_sb))
-		return &xfs_dir2_ftype_ops;
-	return &xfs_dir2_ops;
-}
diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c
index eccffe7a5ae0..624c05e77ab4 100644
--- a/fs/xfs/libxfs/xfs_dir2.c
+++ b/fs/xfs/libxfs/xfs_dir2.c
@@ -104,8 +104,6 @@ xfs_da_mount(
 	ASSERT(mp->m_sb.sb_versionnum & XFS_SB_VERSION_DIRV2BIT);
 	ASSERT(xfs_dir2_dirblock_bytes(&mp->m_sb) <= XFS_MAX_BLOCKSIZE);
 
-	mp->m_dir_inode_ops = xfs_dir_get_ops(mp, NULL);
-
 	mp->m_dir_geo = kmem_zalloc(sizeof(struct xfs_da_geometry),
 				    KM_MAYFAIL);
 	mp->m_attr_geo = kmem_zalloc(sizeof(struct xfs_da_geometry),
diff --git a/fs/xfs/libxfs/xfs_dir2.h b/fs/xfs/libxfs/xfs_dir2.h
index b44c64a20f67..a0cd423c79dd 100644
--- a/fs/xfs/libxfs/xfs_dir2.h
+++ b/fs/xfs/libxfs/xfs_dir2.h
@@ -28,15 +28,6 @@ extern struct xfs_name	xfs_name_dotdot;
  */
 extern unsigned char xfs_mode_to_ftype(int mode);
 
-/*
- * directory operations vector for encode/decode routines
- */
-struct xfs_dir_ops {
-};
-
-extern const struct xfs_dir_ops *
-	xfs_dir_get_ops(struct xfs_mount *mp, struct xfs_inode *dp);
-
 /*
  * Generic directory interface routines
  */
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index bcfb35a9c5ca..6516dd1fc86a 100644
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -37,9 +37,6 @@ typedef struct xfs_inode {
 	struct xfs_ifork	*i_cowfp;	/* copy on write extents */
 	struct xfs_ifork	i_df;		/* data fork */
 
-	/* operations vectors */
-	const struct xfs_dir_ops *d_ops;		/* directory ops vector */
-
 	/* Transaction and locking information. */
 	struct xfs_inode_log_item *i_itemp;	/* logging information */
 	mrlock_t		i_lock;		/* inode lock */
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index 21e6d08e3e18..57e6e44123a9 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -1321,7 +1321,6 @@ xfs_setup_inode(
 		lockdep_set_class(&inode->i_rwsem,
 				  &inode->i_sb->s_type->i_mutex_dir_key);
 		lockdep_set_class(&ip->i_lock.mr_lock, &xfs_dir_ilock_class);
-		ip->d_ops = ip->i_mount->m_dir_inode_ops;
 	} else {
 		lockdep_set_class(&ip->i_lock.mr_lock, &xfs_nondir_ilock_class);
 	}
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index 9719f2aa8be3..2dceb446e651 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -12,7 +12,6 @@ struct xfs_mru_cache;
 struct xfs_nameops;
 struct xfs_ail;
 struct xfs_quotainfo;
-struct xfs_dir_ops;
 struct xfs_da_geometry;
 
 /* dynamic preallocation free space thresholds, 5% down to 1% */
@@ -156,7 +155,6 @@ typedef struct xfs_mount {
 	int			m_swidth;	/* stripe width */
 	uint8_t			m_sectbb_log;	/* sectlog - BBSHIFT */
 	const struct xfs_nameops *m_dirnameops;	/* vector of dir name ops */
-	const struct xfs_dir_ops *m_dir_inode_ops; /* vector of dir inode ops */
 	uint			m_chsize;	/* size of next field */
 	atomic_t		m_active_trans;	/* number trans frozen */
 	struct xfs_mru_cache	*m_filestream;  /* per-mount filestream data */
-- 
2.20.1