xfs: move the di_size field to struct xfs_inode

In preparation of removing the historic icinode struct, move the on-disk
size field into the containing xfs_inode structure.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>

fs/xfs/libxfs/xfs_bmap.c

@@ -1440,7 +1440,7 @@ xfs_bmap_last_offset(
 
 /*
  * Returns whether the selected fork of the inode has exactly one
- * block or not.  For the data fork we check this matches di_size,
+ * block or not.  For the data fork we check this matches i_disk_size,
  * implying the file's range is 0..bsize-1.
  */
 int					/* 1=>1 block, 0=>otherwise */

fs/xfs/libxfs/xfs_dir2.c

@@ -179,9 +179,9 @@ xfs_dir_isempty(
 	xfs_dir2_sf_hdr_t	*sfp;
 
 	ASSERT(S_ISDIR(VFS_I(dp)->i_mode));
-	if (dp->i_d.di_size == 0)	/* might happen during shutdown. */
+	if (dp->i_disk_size == 0)	/* might happen during shutdown. */
 		return 1;
-	if (dp->i_d.di_size > XFS_IFORK_DSIZE(dp))
+	if (dp->i_disk_size > XFS_IFORK_DSIZE(dp))
 		return 0;
 	sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;
 	return !sfp->count;
@@ -584,8 +584,8 @@ xfs_dir2_grow_inode(
 		xfs_fsize_t	size;		/* directory file (data) size */
 
 		size = XFS_FSB_TO_B(mp, bno + count);
-		if (size > dp->i_d.di_size) {
-			dp->i_d.di_size = size;
+		if (size > dp->i_disk_size) {
+			dp->i_disk_size = size;
 			xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE);
 		}
 	}
@@ -608,7 +608,7 @@ xfs_dir2_isblock(
 	rval = XFS_FSB_TO_B(args->dp->i_mount, last) == args->geo->blksize;
 	if (XFS_IS_CORRUPT(args->dp->i_mount,
 			   rval != 0 &&
-			   args->dp->i_d.di_size != args->geo->blksize))
+			   args->dp->i_disk_size != args->geo->blksize))
 		return -EFSCORRUPTED;
 	*vp = rval;
 	return 0;
@@ -687,7 +687,7 @@ xfs_dir2_shrink_inode(
 	/*
 	 * If the block isn't the last one in the directory, we're done.
 	 */
-	if (dp->i_d.di_size > xfs_dir2_db_off_to_byte(args->geo, db + 1, 0))
+	if (dp->i_disk_size > xfs_dir2_db_off_to_byte(args->geo, db + 1, 0))
 		return 0;
 	bno = da;
 	if ((error = xfs_bmap_last_before(tp, dp, &bno, XFS_DATA_FORK))) {
@@ -703,7 +703,7 @@ xfs_dir2_shrink_inode(
 	/*
 	 * Set the size to the new last block.
 	 */
-	dp->i_d.di_size = XFS_FSB_TO_B(mp, bno);
+	dp->i_disk_size = XFS_FSB_TO_B(mp, bno);
 	xfs_trans_log_inode(tp, dp, XFS_ILOG_CORE);
 	return 0;
 }

fs/xfs/libxfs/xfs_dir2_block.c

@@ -961,7 +961,7 @@ xfs_dir2_leaf_to_block(
 	 * been left behind during no-space-reservation operations.
 	 * These will show up in the leaf bests table.
 	 */
-	while (dp->i_d.di_size > args->geo->blksize) {
+	while (dp->i_disk_size > args->geo->blksize) {
 		int hdrsz;
 
 		hdrsz = args->geo->data_entry_offset;
@@ -1097,13 +1097,13 @@ xfs_dir2_sf_to_block(
 	trace_xfs_dir2_sf_to_block(args);
 
 	ASSERT(ifp->if_flags & XFS_IFINLINE);
-	ASSERT(dp->i_d.di_size >= offsetof(struct xfs_dir2_sf_hdr, parent));
+	ASSERT(dp->i_disk_size >= offsetof(struct xfs_dir2_sf_hdr, parent));
 
 	oldsfp = (xfs_dir2_sf_hdr_t *)ifp->if_u1.if_data;
 
-	ASSERT(ifp->if_bytes == dp->i_d.di_size);
+	ASSERT(ifp->if_bytes == dp->i_disk_size);
 	ASSERT(ifp->if_u1.if_data != NULL);
-	ASSERT(dp->i_d.di_size >= xfs_dir2_sf_hdr_size(oldsfp->i8count));
+	ASSERT(dp->i_disk_size >= xfs_dir2_sf_hdr_size(oldsfp->i8count));
 	ASSERT(dp->i_df.if_nextents == 0);
 
 	/*
@@ -1115,7 +1115,7 @@ xfs_dir2_sf_to_block(
 
 	xfs_idata_realloc(dp, -ifp->if_bytes, XFS_DATA_FORK);
 	xfs_bmap_local_to_extents_empty(tp, dp, XFS_DATA_FORK);
-	dp->i_d.di_size = 0;
+	dp->i_disk_size = 0;
 
 	/*
 	 * Add block 0 to the inode.

fs/xfs/libxfs/xfs_dir2_leaf.c

@@ -152,7 +152,7 @@ xfs_dir3_leaf_check_int(
 	/*
 	 * XXX (dgc): This value is not restrictive enough.
 	 * Should factor in the size of the bests table as well.
-	 * We can deduce a value for that from di_size.
+	 * We can deduce a value for that from i_disk_size.
 	 */
 	if (hdr->count > geo->leaf_max_ents)
 		return __this_address;

fs/xfs/libxfs/xfs_dir2_node.c

@@ -441,7 +441,7 @@ xfs_dir2_leaf_to_node(
 	leaf = lbp->b_addr;
 	ltp = xfs_dir2_leaf_tail_p(args->geo, leaf);
 	if (be32_to_cpu(ltp->bestcount) >
-				(uint)dp->i_d.di_size / args->geo->blksize) {
+				(uint)dp->i_disk_size / args->geo->blksize) {
 		xfs_buf_mark_corrupt(lbp);
 		return -EFSCORRUPTED;
 	}

fs/xfs/libxfs/xfs_dir2_sf.c

@@ -344,7 +344,7 @@ xfs_dir2_block_to_sf(
 	ASSERT(dp->i_df.if_bytes == 0);
 	xfs_init_local_fork(dp, XFS_DATA_FORK, sfp, size);
 	dp->i_df.if_format = XFS_DINODE_FMT_LOCAL;
-	dp->i_d.di_size = size;
+	dp->i_disk_size = size;
 
 	logflags |= XFS_ILOG_DDATA;
 	xfs_dir2_sf_check(args);
@@ -367,7 +367,7 @@ xfs_dir2_sf_addname(
 	xfs_inode_t		*dp;		/* incore directory inode */
 	int			error;		/* error return value */
 	int			incr_isize;	/* total change in size */
-	int			new_isize;	/* di_size after adding name */
+	int			new_isize;	/* size after adding name */
 	int			objchange;	/* changing to 8-byte inodes */
 	xfs_dir2_data_aoff_t	offset = 0;	/* offset for new entry */
 	int			pick;		/* which algorithm to use */
@@ -379,11 +379,11 @@ xfs_dir2_sf_addname(
 	ASSERT(xfs_dir2_sf_lookup(args) == -ENOENT);
 	dp = args->dp;
 	ASSERT(dp->i_df.if_flags & XFS_IFINLINE);
-	ASSERT(dp->i_d.di_size >= offsetof(struct xfs_dir2_sf_hdr, parent));
-	ASSERT(dp->i_df.if_bytes == dp->i_d.di_size);
+	ASSERT(dp->i_disk_size >= offsetof(struct xfs_dir2_sf_hdr, parent));
+	ASSERT(dp->i_df.if_bytes == dp->i_disk_size);
 	ASSERT(dp->i_df.if_u1.if_data != NULL);
 	sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;
-	ASSERT(dp->i_d.di_size >= xfs_dir2_sf_hdr_size(sfp->i8count));
+	ASSERT(dp->i_disk_size >= xfs_dir2_sf_hdr_size(sfp->i8count));
 	/*
 	 * Compute entry (and change in) size.
 	 */
@@ -401,7 +401,7 @@ xfs_dir2_sf_addname(
 		objchange = 1;
 	}
 
-	new_isize = (int)dp->i_d.di_size + incr_isize;
+	new_isize = (int)dp->i_disk_size + incr_isize;
 	/*
 	 * Won't fit as shortform any more (due to size),
 	 * or the pick routine says it won't (due to offset values).
@@ -492,7 +492,7 @@ xfs_dir2_sf_addname_easy(
 	sfp->count++;
 	if (args->inumber > XFS_DIR2_MAX_SHORT_INUM)
 		sfp->i8count++;
-	dp->i_d.di_size = new_isize;
+	dp->i_disk_size = new_isize;
 	xfs_dir2_sf_check(args);
 }
 
@@ -519,7 +519,7 @@ xfs_dir2_sf_addname_hard(
 	int			nbytes;		/* temp for byte copies */
 	xfs_dir2_data_aoff_t	new_offset;	/* next offset value */
 	xfs_dir2_data_aoff_t	offset;		/* current offset value */
-	int			old_isize;	/* previous di_size */
+	int			old_isize;	/* previous size */
 	xfs_dir2_sf_entry_t	*oldsfep;	/* entry in original dir */
 	xfs_dir2_sf_hdr_t	*oldsfp;	/* original shortform dir */
 	xfs_dir2_sf_entry_t	*sfep;		/* entry in new dir */
@@ -529,7 +529,7 @@ xfs_dir2_sf_addname_hard(
 	 * Copy the old directory to the stack buffer.
 	 */
 	sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;
-	old_isize = (int)dp->i_d.di_size;
+	old_isize = (int)dp->i_disk_size;
 	buf = kmem_alloc(old_isize, 0);
 	oldsfp = (xfs_dir2_sf_hdr_t *)buf;
 	memcpy(oldsfp, sfp, old_isize);
@@ -586,7 +586,7 @@ xfs_dir2_sf_addname_hard(
 		memcpy(sfep, oldsfep, old_isize - nbytes);
 	}
 	kmem_free(buf);
-	dp->i_d.di_size = new_isize;
+	dp->i_disk_size = new_isize;
 	xfs_dir2_sf_check(args);
 }
 
@@ -697,7 +697,7 @@ xfs_dir2_sf_check(
 		ASSERT(xfs_dir2_sf_get_ftype(mp, sfep) < XFS_DIR3_FT_MAX);
 	}
 	ASSERT(i8count == sfp->i8count);
-	ASSERT((char *)sfep - (char *)sfp == dp->i_d.di_size);
+	ASSERT((char *)sfep - (char *)sfp == dp->i_disk_size);
 	ASSERT(offset +
 	       (sfp->count + 2) * (uint)sizeof(xfs_dir2_leaf_entry_t) +
 	       (uint)sizeof(xfs_dir2_block_tail_t) <= args->geo->blksize);
@@ -821,7 +821,7 @@ xfs_dir2_sf_create(
 	dp = args->dp;
 
 	ASSERT(dp != NULL);
-	ASSERT(dp->i_d.di_size == 0);
+	ASSERT(dp->i_disk_size == 0);
 	/*
 	 * If it's currently a zero-length extent file,
 	 * convert it to local format.
@@ -850,7 +850,7 @@ xfs_dir2_sf_create(
 	 */
 	xfs_dir2_sf_put_parent_ino(sfp, pino);
 	sfp->count = 0;
-	dp->i_d.di_size = size;
+	dp->i_disk_size = size;
 	xfs_dir2_sf_check(args);
 	xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_DDATA);
 	return 0;
@@ -878,11 +878,11 @@ xfs_dir2_sf_lookup(
 	xfs_dir2_sf_check(args);
 
 	ASSERT(dp->i_df.if_flags & XFS_IFINLINE);
-	ASSERT(dp->i_d.di_size >= offsetof(struct xfs_dir2_sf_hdr, parent));
-	ASSERT(dp->i_df.if_bytes == dp->i_d.di_size);
+	ASSERT(dp->i_disk_size >= offsetof(struct xfs_dir2_sf_hdr, parent));
+	ASSERT(dp->i_df.if_bytes == dp->i_disk_size);
 	ASSERT(dp->i_df.if_u1.if_data != NULL);
 	sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;
-	ASSERT(dp->i_d.di_size >= xfs_dir2_sf_hdr_size(sfp->i8count));
+	ASSERT(dp->i_disk_size >= xfs_dir2_sf_hdr_size(sfp->i8count));
 	/*
 	 * Special case for .
 	 */
@@ -955,7 +955,7 @@ xfs_dir2_sf_removename(
 	trace_xfs_dir2_sf_removename(args);
 
 	ASSERT(dp->i_df.if_flags & XFS_IFINLINE);
-	oldsize = (int)dp->i_d.di_size;
+	oldsize = (int)dp->i_disk_size;
 	ASSERT(oldsize >= offsetof(struct xfs_dir2_sf_hdr, parent));
 	ASSERT(dp->i_df.if_bytes == oldsize);
 	ASSERT(dp->i_df.if_u1.if_data != NULL);
@@ -995,7 +995,7 @@ xfs_dir2_sf_removename(
 	 * Fix up the header and file size.
 	 */
 	sfp->count--;
-	dp->i_d.di_size = newsize;
+	dp->i_disk_size = newsize;
 	/*
 	 * Reallocate, making it smaller.
 	 */
@@ -1054,11 +1054,11 @@ xfs_dir2_sf_replace(
 	trace_xfs_dir2_sf_replace(args);
 
 	ASSERT(dp->i_df.if_flags & XFS_IFINLINE);
-	ASSERT(dp->i_d.di_size >= offsetof(struct xfs_dir2_sf_hdr, parent));
-	ASSERT(dp->i_df.if_bytes == dp->i_d.di_size);
+	ASSERT(dp->i_disk_size >= offsetof(struct xfs_dir2_sf_hdr, parent));
+	ASSERT(dp->i_df.if_bytes == dp->i_disk_size);
 	ASSERT(dp->i_df.if_u1.if_data != NULL);
 	sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;
-	ASSERT(dp->i_d.di_size >= xfs_dir2_sf_hdr_size(sfp->i8count));
+	ASSERT(dp->i_disk_size >= xfs_dir2_sf_hdr_size(sfp->i8count));
 
 	/*
 	 * New inode number is large, and need to convert to 8-byte inodes.
@@ -1219,7 +1219,7 @@ xfs_dir2_sf_toino4(
 	 * Clean up the inode.
 	 */
 	kmem_free(buf);
-	dp->i_d.di_size = newsize;
+	dp->i_disk_size = newsize;
 	xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_DDATA);
 }
 
@@ -1292,6 +1292,6 @@ xfs_dir2_sf_toino8(
 	 * Clean up the inode.
 	 */
 	kmem_free(buf);
-	dp->i_d.di_size = newsize;
+	dp->i_disk_size = newsize;
 	xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_DDATA);
 }

fs/xfs/libxfs/xfs_inode_buf.c

@@ -226,7 +226,7 @@ xfs_inode_from_disk(
 	inode->i_mtime = xfs_inode_from_disk_ts(from, from->di_mtime);
 	inode->i_ctime = xfs_inode_from_disk_ts(from, from->di_ctime);
 
-	to->di_size = be64_to_cpu(from->di_size);
+	ip->i_disk_size = be64_to_cpu(from->di_size);
 	to->di_nblocks = be64_to_cpu(from->di_nblocks);
 	to->di_extsize = be32_to_cpu(from->di_extsize);
 	to->di_forkoff = from->di_forkoff;
@@ -305,7 +305,7 @@ xfs_inode_to_disk(
 	to->di_gen = cpu_to_be32(inode->i_generation);
 	to->di_mode = cpu_to_be16(inode->i_mode);
 
-	to->di_size = cpu_to_be64(from->di_size);
+	to->di_size = cpu_to_be64(ip->i_disk_size);
 	to->di_nblocks = cpu_to_be64(from->di_nblocks);
 	to->di_extsize = cpu_to_be32(from->di_extsize);
 	to->di_nextents = cpu_to_be32(xfs_ifork_nextents(&ip->i_df));

fs/xfs/libxfs/xfs_inode_buf.h

@@ -17,7 +17,6 @@ struct xfs_dinode;
  */
 struct xfs_icdinode {
 	uint16_t	di_flushiter;	/* incremented on flush */
-	xfs_fsize_t	di_size;	/* number of bytes in file */
 	xfs_rfsblock_t	di_nblocks;	/* # of direct & btree blocks used */
 	xfs_extlen_t	di_extsize;	/* basic/minimum extent size for file */
 	uint8_t		di_forkoff;	/* attr fork offs, <<3 for 64b align */

fs/xfs/libxfs/xfs_inode_fork.c

@@ -242,7 +242,7 @@ xfs_iformat_data_fork(
 	case S_IFCHR:
 	case S_IFBLK:
 	case S_IFSOCK:
-		ip->i_d.di_size = 0;
+		ip->i_disk_size = 0;
 		inode->i_rdev = xfs_to_linux_dev_t(xfs_dinode_get_rdev(dip));
 		return 0;
 	case S_IFREG:

fs/xfs/scrub/dir.c

@@ -538,7 +538,7 @@ xchk_directory_leaf1_bestfree(
 	 * There should be as many bestfree slots as there are dir data
 	 * blocks that can fit under i_size.
 	 */
-	if (bestcount != xfs_dir2_byte_to_db(geo, sc->ip->i_d.di_size)) {
+	if (bestcount != xfs_dir2_byte_to_db(geo, sc->ip->i_disk_size)) {
 		xchk_fblock_set_corrupt(sc, XFS_DATA_FORK, lblk);
 		goto out;
 	}
@@ -808,7 +808,7 @@ xchk_directory(
 		return -ENOENT;
 
 	/* Plausible size? */
-	if (sc->ip->i_d.di_size < xfs_dir2_sf_hdr_size(0)) {
+	if (sc->ip->i_disk_size < xfs_dir2_sf_hdr_size(0)) {
 		xchk_ino_set_corrupt(sc, sc->ip->i_ino);
 		goto out;
 	}
@@ -834,7 +834,7 @@ xchk_directory(
 	 * Userspace usually asks for a 32k buffer, so we will too.
 	 */
 	bufsize = (size_t)min_t(loff_t, XFS_READDIR_BUFSIZE,
-			sc->ip->i_d.di_size);
+			sc->ip->i_disk_size);
 
 	/*
 	 * Look up every name in this directory by hash.

fs/xfs/scrub/parent.c

@@ -102,7 +102,7 @@ xchk_parent_count_parent_dentries(
 	 * scanned.
 	 */
 	bufsize = (size_t)min_t(loff_t, XFS_READDIR_BUFSIZE,
-			parent->i_d.di_size);
+			parent->i_disk_size);
 	oldpos = 0;
 	while (true) {
 		error = xfs_readdir(sc->tp, parent, &spc.dc, bufsize);

fs/xfs/scrub/rtbitmap.c

@@ -100,7 +100,7 @@ xchk_rtbitmap(
 	int			error;
 
 	/* Is the size of the rtbitmap correct? */
-	if (sc->mp->m_rbmip->i_d.di_size !=
+	if (sc->mp->m_rbmip->i_disk_size !=
 	    XFS_FSB_TO_B(sc->mp, sc->mp->m_sb.sb_rbmblocks)) {
 		xchk_ino_set_corrupt(sc, sc->mp->m_rbmip->i_ino);
 		return 0;

fs/xfs/scrub/symlink.c

@@ -43,7 +43,7 @@ xchk_symlink(
 	if (!S_ISLNK(VFS_I(ip)->i_mode))
 		return -ENOENT;
 	ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK);
-	len = ip->i_d.di_size;
+	len = ip->i_disk_size;
 
 	/* Plausible size? */
 	if (len > XFS_SYMLINK_MAXLEN || len <= 0) {

fs/xfs/xfs_aops.c

@@ -36,7 +36,7 @@ XFS_WPC(struct iomap_writepage_ctx *ctx)
 static inline bool xfs_ioend_is_append(struct iomap_ioend *ioend)
 {
 	return ioend->io_offset + ioend->io_size >
-		XFS_I(ioend->io_inode)->i_d.di_size;
+		XFS_I(ioend->io_inode)->i_disk_size;
 }
 
 STATIC int
@@ -88,7 +88,7 @@ __xfs_setfilesize(
 
 	trace_xfs_setfilesize(ip, offset, size);
 
-	ip->i_d.di_size = isize;
+	ip->i_disk_size = isize;
 	xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
 	xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
 

fs/xfs/xfs_bmap_util.c

@@ -423,7 +423,7 @@ xfs_getbmap(
 		break;
 	case XFS_DATA_FORK:
 		if (!(iflags & BMV_IF_DELALLOC) &&
-		    (ip->i_delayed_blks || XFS_ISIZE(ip) > ip->i_d.di_size)) {
+		    (ip->i_delayed_blks || XFS_ISIZE(ip) > ip->i_disk_size)) {
 			error = filemap_write_and_wait(VFS_I(ip)->i_mapping);
 			if (error)
 				goto out_unlock_iolock;
@@ -1663,8 +1663,8 @@ xfs_swap_extents(
 
 	/* Verify all data are being swapped */
 	if (sxp->sx_offset != 0 ||
-	    sxp->sx_length != ip->i_d.di_size ||
-	    sxp->sx_length != tip->i_d.di_size) {
+	    sxp->sx_length != ip->i_disk_size ||
+	    sxp->sx_length != tip->i_disk_size) {
 		error = -EFAULT;
 		goto out_trans_cancel;
 	}

fs/xfs/xfs_dir2_readdir.c

@@ -58,7 +58,7 @@ xfs_dir2_sf_getdents(
 	struct xfs_da_geometry	*geo = args->geo;
 
 	ASSERT(dp->i_df.if_flags & XFS_IFINLINE);
-	ASSERT(dp->i_df.if_bytes == dp->i_d.di_size);
+	ASSERT(dp->i_df.if_bytes == dp->i_disk_size);
 	ASSERT(dp->i_df.if_u1.if_data != NULL);
 
 	sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;

fs/xfs/xfs_file.c

@@ -1244,7 +1244,7 @@ xfs_file_readdir(
 	 * point we can change the ->readdir prototype to include the
 	 * buffer size.  For now we use the current glibc buffer size.
 	 */
-	bufsize = (size_t)min_t(loff_t, XFS_READDIR_BUFSIZE, ip->i_d.di_size);
+	bufsize = (size_t)min_t(loff_t, XFS_READDIR_BUFSIZE, ip->i_disk_size);
 
 	return xfs_readdir(NULL, ip, ctx, bufsize);
 }

fs/xfs/xfs_inode.c

@@ -830,7 +830,7 @@ xfs_init_new_inode(
 	    !in_group_p(i_gid_into_mnt(mnt_userns, inode)))
 		inode->i_mode &= ~S_ISGID;
 
-	ip->i_d.di_size = 0;
+	ip->i_disk_size = 0;
 	ip->i_df.if_nextents = 0;
 	ASSERT(ip->i_d.di_nblocks == 0);
 
@@ -1558,7 +1558,7 @@ xfs_inactive_truncate(
 	 * of a system crash before the truncate completes. See the related
 	 * comment in xfs_vn_setattr_size() for details.
 	 */
-	ip->i_d.di_size = 0;
+	ip->i_disk_size = 0;
 	xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
 
 	error = xfs_itruncate_extents(&tp, ip, XFS_DATA_FORK, 0);
@@ -1737,7 +1737,7 @@ xfs_inactive(
 	}
 
 	if (S_ISREG(VFS_I(ip)->i_mode) &&
-	    (ip->i_d.di_size != 0 || XFS_ISIZE(ip) != 0 ||
+	    (ip->i_disk_size != 0 || XFS_ISIZE(ip) != 0 ||
 	     ip->i_df.if_nextents > 0 || ip->i_delayed_blks > 0))
 		truncate = 1;
 
@@ -2585,7 +2585,7 @@ xfs_ifree(
 	ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
 	ASSERT(VFS_I(ip)->i_nlink == 0);
 	ASSERT(ip->i_df.if_nextents == 0);
-	ASSERT(ip->i_d.di_size == 0 || !S_ISREG(VFS_I(ip)->i_mode));
+	ASSERT(ip->i_disk_size == 0 || !S_ISREG(VFS_I(ip)->i_mode));
 	ASSERT(ip->i_d.di_nblocks == 0);
 
 	/*

fs/xfs/xfs_inode.h

@@ -54,6 +54,7 @@ typedef struct xfs_inode {
 	/* Miscellaneous state. */
 	unsigned long		i_flags;	/* see defined flags below */
 	uint64_t		i_delayed_blks;	/* count of delay alloc blks */
+	xfs_fsize_t		i_disk_size;	/* number of bytes in file */
 	prid_t			i_projid;	/* owner's project id */
 
 	struct xfs_icdinode	i_d;		/* most of ondisk inode */
@@ -88,7 +89,7 @@ static inline xfs_fsize_t XFS_ISIZE(struct xfs_inode *ip)
 {
 	if (S_ISREG(VFS_I(ip)->i_mode))
 		return i_size_read(VFS_I(ip));
-	return ip->i_d.di_size;
+	return ip->i_disk_size;
 }
 
 /*
@@ -102,7 +103,7 @@ xfs_new_eof(struct xfs_inode *ip, xfs_fsize_t new_size)
 
 	if (new_size > i_size || new_size < 0)
 		new_size = i_size;
-	return new_size > ip->i_d.di_size ? new_size : 0;
+	return new_size > ip->i_disk_size ? new_size : 0;
 }
 
 /*

fs/xfs/xfs_inode_item.c

@@ -196,7 +196,7 @@ xfs_inode_item_format_data_fork(
 			 */
 			data_bytes = roundup(ip->i_df.if_bytes, 4);
 			ASSERT(ip->i_df.if_u1.if_data != NULL);
-			ASSERT(ip->i_d.di_size > 0);
+			ASSERT(ip->i_disk_size > 0);
 			xlog_copy_iovec(lv, vecp, XLOG_REG_TYPE_ILOCAL,
 					ip->i_df.if_u1.if_data, data_bytes);
 			ilf->ilf_dsize = (unsigned)data_bytes;
@@ -369,7 +369,7 @@ xfs_inode_to_log_dinode(
 	to->di_gen = inode->i_generation;
 	to->di_mode = inode->i_mode;
 
-	to->di_size = from->di_size;
+	to->di_size = ip->i_disk_size;
 	to->di_nblocks = from->di_nblocks;
 	to->di_extsize = from->di_extsize;
 	to->di_nextents = xfs_ifork_nextents(&ip->i_df);

fs/xfs/xfs_iomap.c

@@ -573,7 +573,7 @@ xfs_iomap_write_unwritten(
 			i_size_write(inode, i_size);
 		i_size = xfs_new_eof(ip, i_size);
 		if (i_size) {
-			ip->i_d.di_size = i_size;
+			ip->i_disk_size = i_size;
 			xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
 		}
 

fs/xfs/xfs_iops.c

@@ -949,8 +949,8 @@ xfs_setattr_size(
 	 * operation.
 	 *
 	 * And we update in-core i_size and truncate page cache beyond newsize
-	 * before writeback the [di_size, newsize] range, so we're guaranteed
-	 * not to write stale data past the new EOF on truncate down.
+	 * before writeback the [i_disk_size, newsize] range, so we're
+	 * guaranteed not to write stale data past the new EOF on truncate down.
 	 */
 	truncate_setsize(inode, newsize);
 
@@ -963,9 +963,9 @@ xfs_setattr_size(
 	 * otherwise those blocks may not be zeroed after a crash.
 	 */
 	if (did_zeroing ||
-	    (newsize > ip->i_d.di_size && oldsize != ip->i_d.di_size)) {
+	    (newsize > ip->i_disk_size && oldsize != ip->i_disk_size)) {
 		error = filemap_write_and_wait_range(VFS_I(ip)->i_mapping,
-						ip->i_d.di_size, newsize - 1);
+						ip->i_disk_size, newsize - 1);
 		if (error)
 			return error;
 	}
@@ -1007,7 +1007,7 @@ xfs_setattr_size(
 	 * permanent before actually freeing any blocks it doesn't matter if
 	 * they get written to.
 	 */
-	ip->i_d.di_size = newsize;
+	ip->i_disk_size = newsize;
 	xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
 
 	if (newsize <= oldsize) {
@@ -1344,7 +1344,7 @@ xfs_setup_inode(
 	/* make the inode look hashed for the writeback code */
 	inode_fake_hash(inode);
 
-	i_size_write(inode, ip->i_d.di_size);
+	i_size_write(inode, ip->i_disk_size);
 	xfs_diflags_to_iflags(ip, true);
 
 	if (S_ISDIR(inode->i_mode)) {

fs/xfs/xfs_itable.c

@@ -90,7 +90,7 @@ xfs_bulkstat_one_int(
 	buf->bs_ino = ino;
 	buf->bs_uid = from_kuid(sb_userns, i_uid_into_mnt(mnt_userns, inode));
 	buf->bs_gid = from_kgid(sb_userns, i_gid_into_mnt(mnt_userns, inode));
-	buf->bs_size = dic->di_size;
+	buf->bs_size = ip->i_disk_size;
 
 	buf->bs_nlink = inode->i_nlink;
 	buf->bs_atime = inode->i_atime.tv_sec;

fs/xfs/xfs_pnfs.c

@@ -286,7 +286,7 @@ xfs_fs_commit_blocks(
 	xfs_setattr_time(ip, iattr);
 	if (update_isize) {
 		i_size_write(inode, iattr->ia_size);
-		ip->i_d.di_size = iattr->ia_size;
+		ip->i_disk_size = iattr->ia_size;
 	}
 
 	xfs_trans_set_sync(tp);

fs/xfs/xfs_qm_syscalls.c

@@ -293,7 +293,7 @@ xfs_qm_scall_trunc_qfile(
 	xfs_ilock(ip, XFS_ILOCK_EXCL);
 	xfs_trans_ijoin(tp, ip, 0);
 
-	ip->i_d.di_size = 0;
+	ip->i_disk_size = 0;
 	xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
 
 	error = xfs_itruncate_extents(&tp, ip, XFS_DATA_FORK, 0);

fs/xfs/xfs_reflink.c

@@ -930,7 +930,7 @@ xfs_reflink_update_dest(
 	if (newlen > i_size_read(VFS_I(dest))) {
 		trace_xfs_reflink_update_inode_size(dest, newlen);
 		i_size_write(VFS_I(dest), newlen);
-		dest->i_d.di_size = newlen;
+		dest->i_disk_size = newlen;
 	}
 
 	if (cowextsize) {
@@ -1156,7 +1156,7 @@ xfs_reflink_remap_extent(
 	if (newlen > i_size_read(VFS_I(ip))) {
 		trace_xfs_reflink_update_inode_size(ip, newlen);
 		i_size_write(VFS_I(ip), newlen);
-		ip->i_d.di_size = newlen;
+		ip->i_disk_size = newlen;
 		xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
 	}
 

fs/xfs/xfs_rtalloc.c

@@ -966,8 +966,8 @@ xfs_growfs_rt(
 	 * Get the old block counts for bitmap and summary inodes.
 	 * These can't change since other growfs callers are locked out.
 	 */
-	rbmblocks = XFS_B_TO_FSB(mp, mp->m_rbmip->i_d.di_size);
-	rsumblocks = XFS_B_TO_FSB(mp, mp->m_rsumip->i_d.di_size);
+	rbmblocks = XFS_B_TO_FSB(mp, mp->m_rbmip->i_disk_size);
+	rsumblocks = XFS_B_TO_FSB(mp, mp->m_rsumip->i_disk_size);
 	/*
 	 * Allocate space to the bitmap and summary files, as necessary.
 	 */
@@ -1036,9 +1036,9 @@ xfs_growfs_rt(
 		 * to update the incore size so that inode inactivation won't
 		 * punch what it thinks are "posteof" blocks.
 		 */
-		mp->m_rbmip->i_d.di_size =
+		mp->m_rbmip->i_disk_size =
 			nsbp->sb_rbmblocks * nsbp->sb_blocksize;
-		i_size_write(VFS_I(mp->m_rbmip), mp->m_rbmip->i_d.di_size);
+		i_size_write(VFS_I(mp->m_rbmip), mp->m_rbmip->i_disk_size);
 		xfs_trans_log_inode(tp, mp->m_rbmip, XFS_ILOG_CORE);
 		/*
 		 * Get the summary inode into the transaction.
@@ -1050,8 +1050,8 @@ xfs_growfs_rt(
 		 * incore size so that inode inactivation won't punch what it
 		 * thinks are "posteof" blocks.
 		 */
-		mp->m_rsumip->i_d.di_size = nmp->m_rsumsize;
-		i_size_write(VFS_I(mp->m_rsumip), mp->m_rsumip->i_d.di_size);
+		mp->m_rsumip->i_disk_size = nmp->m_rsumsize;
+		i_size_write(VFS_I(mp->m_rsumip), mp->m_rsumip->i_disk_size);
 		xfs_trans_log_inode(tp, mp->m_rsumip, XFS_ILOG_CORE);
 		/*
 		 * Copy summary data from old to new sizes.

fs/xfs/xfs_symlink.c

@@ -33,7 +33,7 @@ xfs_readlink_bmap_ilocked(
 	struct xfs_buf		*bp;
 	xfs_daddr_t		d;
 	char			*cur_chunk;
-	int			pathlen = ip->i_d.di_size;
+	int			pathlen = ip->i_disk_size;
 	int			nmaps = XFS_SYMLINK_MAPS;
 	int			byte_cnt;
 	int			n;
@@ -86,7 +86,7 @@ xfs_readlink_bmap_ilocked(
 	}
 	ASSERT(pathlen == 0);
 
-	link[ip->i_d.di_size] = '\0';
+	link[ip->i_disk_size] = '\0';
 	error = 0;
 
  out:
@@ -111,7 +111,7 @@ xfs_readlink(
 
 	xfs_ilock(ip, XFS_ILOCK_SHARED);
 
-	pathlen = ip->i_d.di_size;
+	pathlen = ip->i_disk_size;
 	if (!pathlen)
 		goto out;
 
@@ -250,7 +250,7 @@ xfs_symlink(
 	if (pathlen <= XFS_IFORK_DSIZE(ip)) {
 		xfs_init_local_fork(ip, XFS_DATA_FORK, target_path, pathlen);
 
-		ip->i_d.di_size = pathlen;
+		ip->i_disk_size = pathlen;
 		ip->i_df.if_format = XFS_DINODE_FMT_LOCAL;
 		xfs_trans_log_inode(tp, ip, XFS_ILOG_DDATA | XFS_ILOG_CORE);
 	} else {
@@ -265,7 +265,7 @@ xfs_symlink(
 			goto out_trans_cancel;
 
 		resblks -= fs_blocks;
-		ip->i_d.di_size = pathlen;
+		ip->i_disk_size = pathlen;
 		xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
 
 		cur_chunk = target_path;
@@ -300,7 +300,7 @@ xfs_symlink(
 		}
 		ASSERT(pathlen == 0);
 	}
-	i_size_write(VFS_I(ip), ip->i_d.di_size);
+	i_size_write(VFS_I(ip), ip->i_disk_size);
 
 	/*
 	 * Create the directory entry for the symlink.
@@ -400,8 +400,8 @@ xfs_inactive_symlink_rmt(
 	 * locked for the second transaction.  In the error paths we need it
 	 * held so the cancel won't rele it, see below.
 	 */
-	size = (int)ip->i_d.di_size;
-	ip->i_d.di_size = 0;
+	size = (int)ip->i_disk_size;
+	ip->i_disk_size = 0;
 	VFS_I(ip)->i_mode = (VFS_I(ip)->i_mode & ~S_IFMT) | S_IFREG;
 	xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
 	/*
@@ -477,7 +477,7 @@ xfs_inactive_symlink(
 		return -EIO;
 
 	xfs_ilock(ip, XFS_ILOCK_EXCL);
-	pathlen = (int)ip->i_d.di_size;
+	pathlen = (int)ip->i_disk_size;
 	ASSERT(pathlen);
 
 	if (pathlen <= 0 || pathlen > XFS_SYMLINK_MAXLEN) {

fs/xfs/xfs_trace.h

@@ -1298,7 +1298,7 @@ DECLARE_EVENT_CLASS(xfs_file_class,
 	TP_fast_assign(
 		__entry->dev = file_inode(iocb->ki_filp)->i_sb->s_dev;
 		__entry->ino = XFS_I(file_inode(iocb->ki_filp))->i_ino;
-		__entry->size = XFS_I(file_inode(iocb->ki_filp))->i_d.di_size;
+		__entry->size = XFS_I(file_inode(iocb->ki_filp))->i_disk_size;
 		__entry->offset = iocb->ki_pos;
 		__entry->count = iov_iter_count(iter);
 	),
@@ -1341,7 +1341,7 @@ DECLARE_EVENT_CLASS(xfs_imap_class,
 	TP_fast_assign(
 		__entry->dev = VFS_I(ip)->i_sb->s_dev;
 		__entry->ino = ip->i_ino;
-		__entry->size = ip->i_d.di_size;
+		__entry->size = ip->i_disk_size;
 		__entry->offset = offset;
 		__entry->count = count;
 		__entry->whichfork = whichfork;
@@ -1387,7 +1387,7 @@ DECLARE_EVENT_CLASS(xfs_simple_io_class,
 		__entry->dev = VFS_I(ip)->i_sb->s_dev;
 		__entry->ino = ip->i_ino;
 		__entry->isize = VFS_I(ip)->i_size;
-		__entry->disize = ip->i_d.di_size;
+		__entry->disize = ip->i_disk_size;
 		__entry->offset = offset;
 		__entry->count = count;
 	),
@@ -1425,7 +1425,7 @@ DECLARE_EVENT_CLASS(xfs_itrunc_class,
 	TP_fast_assign(
 		__entry->dev = VFS_I(ip)->i_sb->s_dev;
 		__entry->ino = ip->i_ino;
-		__entry->size = ip->i_d.di_size;
+		__entry->size = ip->i_disk_size;
 		__entry->new_size = new_size;
 	),
 	TP_printk("dev %d:%d ino 0x%llx size 0x%llx new_size 0x%llx",
@@ -1455,7 +1455,7 @@ TRACE_EVENT(xfs_pagecache_inval,
 	TP_fast_assign(
 		__entry->dev = VFS_I(ip)->i_sb->s_dev;
 		__entry->ino = ip->i_ino;
-		__entry->size = ip->i_d.di_size;
+		__entry->size = ip->i_disk_size;
 		__entry->start = start;
 		__entry->finish = finish;
 	),
@@ -1483,7 +1483,7 @@ TRACE_EVENT(xfs_bunmap,
 	TP_fast_assign(
 		__entry->dev = VFS_I(ip)->i_sb->s_dev;
 		__entry->ino = ip->i_ino;
-		__entry->size = ip->i_d.di_size;
+		__entry->size = ip->i_disk_size;
 		__entry->bno = bno;
 		__entry->len = len;
 		__entry->caller_ip = caller_ip;
@@ -3145,12 +3145,12 @@ DECLARE_EVENT_CLASS(xfs_double_io_class,
 		__entry->dev = VFS_I(src)->i_sb->s_dev;
 		__entry->src_ino = src->i_ino;
 		__entry->src_isize = VFS_I(src)->i_size;
-		__entry->src_disize = src->i_d.di_size;
+		__entry->src_disize = src->i_disk_size;
 		__entry->src_offset = soffset;
 		__entry->len = len;
 		__entry->dest_ino = dest->i_ino;
 		__entry->dest_isize = VFS_I(dest)->i_size;
-		__entry->dest_disize = dest->i_d.di_size;
+		__entry->dest_disize = dest->i_disk_size;
 		__entry->dest_offset = doffset;
 	),
 	TP_printk("dev %d:%d count %zd "