Merge branch 'xfs-misc-fixes-for-4.2-3' into for-next

fs/xfs/libxfs/xfs_ialloc.h

@@ -51,8 +51,7 @@ xfs_icluster_size_fsb(
 static inline struct xfs_dinode *
 xfs_make_iptr(struct xfs_mount *mp, struct xfs_buf *b, int o)
 {
-	return (struct xfs_dinode *)
-		(xfs_buf_offset(b, o << (mp)->m_sb.sb_inodelog));
+	return xfs_buf_offset(b, o << (mp)->m_sb.sb_inodelog);
 }
 
 /*

fs/xfs/libxfs/xfs_inode_buf.c

@@ -46,8 +46,7 @@ xfs_inobp_check(
 	j = mp->m_inode_cluster_size >> mp->m_sb.sb_inodelog;
 
 	for (i = 0; i < j; i++) {
-		dip = (xfs_dinode_t *)xfs_buf_offset(bp,
-					i * mp->m_sb.sb_inodesize);
+		dip = xfs_buf_offset(bp, i * mp->m_sb.sb_inodesize);
 		if (!dip->di_next_unlinked)  {
 			xfs_alert(mp,
 	"Detected bogus zero next_unlinked field in inode %d buffer 0x%llx.",
@@ -86,8 +85,7 @@ xfs_inode_buf_verify(
 		int		di_ok;
 		xfs_dinode_t	*dip;
 
-		dip = (struct xfs_dinode *)xfs_buf_offset(bp,
-					(i << mp->m_sb.sb_inodelog));
+		dip = xfs_buf_offset(bp, (i << mp->m_sb.sb_inodelog));
 		di_ok = dip->di_magic == cpu_to_be16(XFS_DINODE_MAGIC) &&
 			    XFS_DINODE_GOOD_VERSION(dip->di_version);
 		if (unlikely(XFS_TEST_ERROR(!di_ok, mp,
@@ -186,7 +184,7 @@ xfs_imap_to_bp(
 	}
 
 	*bpp = bp;
-	*dipp = (struct xfs_dinode *)xfs_buf_offset(bp, imap->im_boffset);
+	*dipp = xfs_buf_offset(bp, imap->im_boffset);
 	return 0;
 }
 

fs/xfs/xfs_attr_inactive.c

@@ -433,8 +433,14 @@ xfs_attr_inactive(
 	 */
 	xfs_trans_ijoin(trans, dp, 0);
 
-	/* invalidate and truncate the attribute fork extents */
-	if (dp->i_d.di_aformat != XFS_DINODE_FMT_LOCAL) {
+	/*
+	 * Invalidate and truncate the attribute fork extents. Make sure the
+	 * fork actually has attributes as otherwise the invalidation has no
+	 * blocks to read and returns an error. In this case, just do the fork
+	 * removal below.
+	 */
+	if (xfs_inode_hasattr(dp) &&
+	    dp->i_d.di_aformat != XFS_DINODE_FMT_LOCAL) {
 		error = xfs_attr3_root_inactive(&trans, dp);
 		if (error)
 			goto out_cancel;

fs/xfs/xfs_buf.c

@@ -1419,9 +1419,9 @@ xfs_buf_submit_wait(
 	return error;
 }
 
-xfs_caddr_t
+void *
 xfs_buf_offset(
-	xfs_buf_t		*bp,
+	struct xfs_buf		*bp,
 	size_t			offset)
 {
 	struct page		*page;
@@ -1431,7 +1431,7 @@ xfs_buf_offset(
 
 	offset += bp->b_offset;
 	page = bp->b_pages[offset >> PAGE_SHIFT];
-	return (xfs_caddr_t)page_address(page) + (offset & (PAGE_SIZE-1));
+	return page_address(page) + (offset & (PAGE_SIZE-1));
 }
 
 /*

fs/xfs/xfs_buf.h

@@ -299,7 +299,7 @@ extern void xfs_buf_iomove(xfs_buf_t *, size_t, size_t, void *,
 	    xfs_buf_iomove((bp), (off), (len), NULL, XBRW_ZERO)
 
 /* Buffer Utility Routines */
-extern xfs_caddr_t xfs_buf_offset(xfs_buf_t *, size_t);
+extern void *xfs_buf_offset(struct xfs_buf *, size_t);
 
 /* Delayed Write Buffer Routines */
 extern bool xfs_buf_delwri_queue(struct xfs_buf *, struct list_head *);

fs/xfs/xfs_error.c

@@ -127,7 +127,7 @@ xfs_error_report(
 	struct xfs_mount	*mp,
 	const char		*filename,
 	int			linenum,
-	inst_t			*ra)
+	void			*ra)
 {
 	if (level <= xfs_error_level) {
 		xfs_alert_tag(mp, XFS_PTAG_ERROR_REPORT,
@@ -146,7 +146,7 @@ xfs_corruption_error(
 	void			*p,
 	const char		*filename,
 	int			linenum,
-	inst_t			*ra)
+	void			*ra)
 {
 	if (level <= xfs_error_level)
 		xfs_hex_dump(p, 64);

fs/xfs/xfs_error.h

@@ -21,10 +21,10 @@
 struct xfs_mount;
 
 extern void xfs_error_report(const char *tag, int level, struct xfs_mount *mp,
-			const char *filename, int linenum, inst_t *ra);
+			const char *filename, int linenum, void *ra);
 extern void xfs_corruption_error(const char *tag, int level,
 			struct xfs_mount *mp, void *p, const char *filename,
-			int linenum, inst_t *ra);
+			int linenum, void *ra);
 extern void xfs_verifier_error(struct xfs_buf *bp);
 
 #define	XFS_ERROR_REPORT(e, lvl, mp)	\

fs/xfs/xfs_extfree_item.c

@@ -239,7 +239,7 @@ xfs_efi_init(
 
 	xfs_log_item_init(mp, &efip->efi_item, XFS_LI_EFI, &xfs_efi_item_ops);
 	efip->efi_format.efi_nextents = nextents;
-	efip->efi_format.efi_id = (__psint_t)(void*)efip;
+	efip->efi_format.efi_id = (uintptr_t)(void *)efip;
 	atomic_set(&efip->efi_next_extent, 0);
 	atomic_set(&efip->efi_refcount, 2);
 

fs/xfs/xfs_inode.c

@@ -3392,7 +3392,7 @@ xfs_iflush_int(
 	ASSERT(ip->i_d.di_version > 1);
 
 	/* set *dip = inode's place in the buffer */
-	dip = (xfs_dinode_t *)xfs_buf_offset(bp, ip->i_imap.im_boffset);
+	dip = xfs_buf_offset(bp, ip->i_imap.im_boffset);
 
 	if (XFS_TEST_ERROR(dip->di_magic != cpu_to_be16(XFS_DINODE_MAGIC),
 			       mp, XFS_ERRTAG_IFLUSH_1, XFS_RANDOM_IFLUSH_1)) {

fs/xfs/xfs_linux.h

@@ -32,26 +32,12 @@ typedef unsigned int		__uint32_t;
 typedef signed long long int	__int64_t;
 typedef unsigned long long int	__uint64_t;
 
-typedef __uint32_t		inst_t;		/* an instruction */
-
 typedef __s64			xfs_off_t;	/* <file offset> type */
 typedef unsigned long long	xfs_ino_t;	/* <inode> type */
 typedef __s64			xfs_daddr_t;	/* <disk address> type */
-typedef char *			xfs_caddr_t;	/* <core address> type */
 typedef __u32			xfs_dev_t;
 typedef __u32			xfs_nlink_t;
 
-/* __psint_t is the same size as a pointer */
-#if (BITS_PER_LONG == 32)
-typedef __int32_t __psint_t;
-typedef __uint32_t __psunsigned_t;
-#elif (BITS_PER_LONG == 64)
-typedef __int64_t __psint_t;
-typedef __uint64_t __psunsigned_t;
-#else
-#error BITS_PER_LONG must be 32 or 64
-#endif
-
 #include "xfs_types.h"
 
 #include "kmem.h"

fs/xfs/xfs_log.c

@@ -109,7 +109,7 @@ xlog_ungrant_log_space(
 STATIC void
 xlog_verify_dest_ptr(
 	struct xlog		*log,
-	char			*ptr);
+	void			*ptr);
 STATIC void
 xlog_verify_grant_tail(
 	struct xlog *log);
@@ -1444,7 +1444,7 @@ xlog_alloc_log(
 		iclog->ic_bp = bp;
 		iclog->ic_data = bp->b_addr;
 #ifdef DEBUG
-		log->l_iclog_bak[i] = (xfs_caddr_t)&(iclog->ic_header);
+		log->l_iclog_bak[i] = &iclog->ic_header;
 #endif
 		head = &iclog->ic_header;
 		memset(head, 0, sizeof(xlog_rec_header_t));
@@ -1599,7 +1599,7 @@ xlog_pack_data(
 	int			i, j, k;
 	int			size = iclog->ic_offset + roundoff;
 	__be32			cycle_lsn;
-	xfs_caddr_t		dp;
+	char			*dp;
 
 	cycle_lsn = CYCLE_LSN_DISK(iclog->ic_header.h_lsn);
 
@@ -3661,7 +3661,7 @@ xlog_ticket_alloc(
 void
 xlog_verify_dest_ptr(
 	struct xlog	*log,
-	char		*ptr)
+	void		*ptr)
 {
 	int i;
 	int good_ptr = 0;
@@ -3764,9 +3764,8 @@ xlog_verify_iclog(
 	xlog_op_header_t	*ophead;
 	xlog_in_core_t		*icptr;
 	xlog_in_core_2_t	*xhdr;
-	xfs_caddr_t		ptr;
-	xfs_caddr_t		base_ptr;
-	__psint_t		field_offset;
+	void			*base_ptr, *ptr, *p;
+	ptrdiff_t		field_offset;
 	__uint8_t		clientid;
 	int			len, i, j, k, op_len;
 	int			idx;
@@ -3785,9 +3784,9 @@ xlog_verify_iclog(
 	if (iclog->ic_header.h_magicno != cpu_to_be32(XLOG_HEADER_MAGIC_NUM))
 		xfs_emerg(log->l_mp, "%s: invalid magic num", __func__);
 
-	ptr = (xfs_caddr_t) &iclog->ic_header;
-	for (ptr += BBSIZE; ptr < ((xfs_caddr_t)&iclog->ic_header) + count;
-	     ptr += BBSIZE) {
+	base_ptr = ptr = &iclog->ic_header;
+	p = &iclog->ic_header;
+	for (ptr += BBSIZE; ptr < base_ptr + count; ptr += BBSIZE) {
 		if (*(__be32 *)ptr == cpu_to_be32(XLOG_HEADER_MAGIC_NUM))
 			xfs_emerg(log->l_mp, "%s: unexpected magic num",
 				__func__);
@@ -3795,20 +3794,19 @@ xlog_verify_iclog(
 
 	/* check fields */
 	len = be32_to_cpu(iclog->ic_header.h_num_logops);
-	ptr = iclog->ic_datap;
-	base_ptr = ptr;
-	ophead = (xlog_op_header_t *)ptr;
+	base_ptr = ptr = iclog->ic_datap;
+	ophead = ptr;
 	xhdr = iclog->ic_data;
 	for (i = 0; i < len; i++) {
-		ophead = (xlog_op_header_t *)ptr;
+		ophead = ptr;
 
 		/* clientid is only 1 byte */
-		field_offset = (__psint_t)
-			       ((xfs_caddr_t)&(ophead->oh_clientid) - base_ptr);
+		p = &ophead->oh_clientid;
+		field_offset = p - base_ptr;
 		if (!syncing || (field_offset & 0x1ff)) {
 			clientid = ophead->oh_clientid;
 		} else {
-			idx = BTOBBT((xfs_caddr_t)&(ophead->oh_clientid) - iclog->ic_datap);
+			idx = BTOBBT((char *)&ophead->oh_clientid - iclog->ic_datap);
 			if (idx >= (XLOG_HEADER_CYCLE_SIZE / BBSIZE)) {
 				j = idx / (XLOG_HEADER_CYCLE_SIZE / BBSIZE);
 				k = idx % (XLOG_HEADER_CYCLE_SIZE / BBSIZE);
@@ -3826,13 +3824,13 @@ xlog_verify_iclog(
 				(unsigned long)field_offset);
 
 		/* check length */
-		field_offset = (__psint_t)
-			       ((xfs_caddr_t)&(ophead->oh_len) - base_ptr);
+		p = &ophead->oh_len;
+		field_offset = p - base_ptr;
 		if (!syncing || (field_offset & 0x1ff)) {
 			op_len = be32_to_cpu(ophead->oh_len);
 		} else {
-			idx = BTOBBT((__psint_t)&ophead->oh_len -
-				    (__psint_t)iclog->ic_datap);
+			idx = BTOBBT((uintptr_t)&ophead->oh_len -
+				    (uintptr_t)iclog->ic_datap);
 			if (idx >= (XLOG_HEADER_CYCLE_SIZE / BBSIZE)) {
 				j = idx / (XLOG_HEADER_CYCLE_SIZE / BBSIZE);
 				k = idx % (XLOG_HEADER_CYCLE_SIZE / BBSIZE);

fs/xfs/xfs_log_priv.h

@@ -409,7 +409,7 @@ struct xlog {
 
 	/* The following field are used for debugging; need to hold icloglock */
 #ifdef DEBUG
-	char			*l_iclog_bak[XLOG_MAX_ICLOGS];
+	void			*l_iclog_bak[XLOG_MAX_ICLOGS];
 #endif
 
 };

fs/xfs/xfs_log_recover.c

@@ -147,7 +147,7 @@ xlog_put_bp(
  * Return the address of the start of the given block number's data
  * in a log buffer.  The buffer covers a log sector-aligned region.
  */
-STATIC xfs_caddr_t
+STATIC char *
 xlog_align(
 	struct xlog	*log,
 	xfs_daddr_t	blk_no,
@@ -203,7 +203,7 @@ xlog_bread(
 	xfs_daddr_t	blk_no,
 	int		nbblks,
 	struct xfs_buf	*bp,
-	xfs_caddr_t	*offset)
+	char		**offset)
 {
 	int		error;
 
@@ -225,9 +225,9 @@ xlog_bread_offset(
 	xfs_daddr_t	blk_no,		/* block to read from */
 	int		nbblks,		/* blocks to read */
 	struct xfs_buf	*bp,
-	xfs_caddr_t	offset)
+	char		*offset)
 {
-	xfs_caddr_t	orig_offset = bp->b_addr;
+	char		*orig_offset = bp->b_addr;
 	int		orig_len = BBTOB(bp->b_length);
 	int		error, error2;
 
@@ -396,7 +396,7 @@ xlog_find_cycle_start(
 	xfs_daddr_t	*last_blk,
 	uint		cycle)
 {
-	xfs_caddr_t	offset;
+	char		*offset;
 	xfs_daddr_t	mid_blk;
 	xfs_daddr_t	end_blk;
 	uint		mid_cycle;
@@ -443,7 +443,7 @@ xlog_find_verify_cycle(
 	uint		cycle;
 	xfs_buf_t	*bp;
 	xfs_daddr_t	bufblks;
-	xfs_caddr_t	buf = NULL;
+	char		*buf = NULL;
 	int		error = 0;
 
 	/*
@@ -509,7 +509,7 @@ xlog_find_verify_log_record(
 {
 	xfs_daddr_t		i;
 	xfs_buf_t		*bp;
-	xfs_caddr_t		offset = NULL;
+	char			*offset = NULL;
 	xlog_rec_header_t	*head = NULL;
 	int			error = 0;
 	int			smallmem = 0;
@@ -616,7 +616,7 @@ xlog_find_head(
 	xfs_daddr_t	*return_head_blk)
 {
 	xfs_buf_t	*bp;
-	xfs_caddr_t	offset;
+	char		*offset;
 	xfs_daddr_t	new_blk, first_blk, start_blk, last_blk, head_blk;
 	int		num_scan_bblks;
 	uint		first_half_cycle, last_half_cycle;
@@ -891,7 +891,7 @@ xlog_find_tail(
 {
 	xlog_rec_header_t	*rhead;
 	xlog_op_header_t	*op_head;
-	xfs_caddr_t		offset = NULL;
+	char			*offset = NULL;
 	xfs_buf_t		*bp;
 	int			error, i, found;
 	xfs_daddr_t		umount_data_blk;
@@ -1099,7 +1099,7 @@ xlog_find_zeroed(
 	xfs_daddr_t	*blk_no)
 {
 	xfs_buf_t	*bp;
-	xfs_caddr_t	offset;
+	char		*offset;
 	uint	        first_cycle, last_cycle;
 	xfs_daddr_t	new_blk, last_blk, start_blk;
 	xfs_daddr_t     num_scan_bblks;
@@ -1199,7 +1199,7 @@ bp_err:
 STATIC void
 xlog_add_record(
 	struct xlog		*log,
-	xfs_caddr_t		buf,
+	char			*buf,
 	int			cycle,
 	int			block,
 	int			tail_cycle,
@@ -1227,7 +1227,7 @@ xlog_write_log_records(
 	int		tail_cycle,
 	int		tail_block)
 {
-	xfs_caddr_t	offset;
+	char		*offset;
 	xfs_buf_t	*bp;
 	int		balign, ealign;
 	int		sectbb = log->l_sectBBsize;
@@ -1789,8 +1789,7 @@ xlog_recover_do_inode_buffer(
 			return -EFSCORRUPTED;
 		}
 
-		buffer_nextp = (xfs_agino_t *)xfs_buf_offset(bp,
-					      next_unlinked_offset);
+		buffer_nextp = xfs_buf_offset(bp, next_unlinked_offset);
 		*buffer_nextp = *logged_nextp;
 
 		/*
@@ -1798,7 +1797,7 @@ xlog_recover_do_inode_buffer(
 		 * have to leave the inode in a consistent state for whoever
 		 * reads it next....
 		 */
-		xfs_dinode_calc_crc(mp, (struct xfs_dinode *)
+		xfs_dinode_calc_crc(mp,
 				xfs_buf_offset(bp, i * mp->m_sb.sb_inodesize));
 
 	}
@@ -2503,8 +2502,8 @@ xlog_recover_inode_pass2(
 	xfs_buf_t		*bp;
 	xfs_dinode_t		*dip;
 	int			len;
-	xfs_caddr_t		src;
-	xfs_caddr_t		dest;
+	char			*src;
+	char			*dest;
 	int			error;
 	int			attr_index;
 	uint			fields;
@@ -2546,7 +2545,7 @@ xlog_recover_inode_pass2(
 		goto out_release;
 	}
 	ASSERT(in_f->ilf_fields & XFS_ILOG_CORE);
-	dip = (xfs_dinode_t *)xfs_buf_offset(bp, in_f->ilf_boffset);
+	dip = xfs_buf_offset(bp, in_f->ilf_boffset);
 
 	/*
 	 * Make sure the place we're flushing out to really looks
@@ -2885,7 +2884,7 @@ xlog_recover_dquot_pass2(
 		return error;
 
 	ASSERT(bp);
-	ddq = (xfs_disk_dquot_t *)xfs_buf_offset(bp, dq_f->qlf_boffset);
+	ddq = xfs_buf_offset(bp, dq_f->qlf_boffset);
 
 	/*
 	 * If the dquot has an LSN in it, recover the dquot only if it's less
@@ -3374,17 +3373,17 @@ STATIC int
 xlog_recover_add_to_cont_trans(
 	struct xlog		*log,
 	struct xlog_recover	*trans,
-	xfs_caddr_t		dp,
+	char			*dp,
 	int			len)
 {
 	xlog_recover_item_t	*item;
-	xfs_caddr_t		ptr, old_ptr;
+	char			*ptr, *old_ptr;
 	int			old_len;
 
 	if (list_empty(&trans->r_itemq)) {
 		/* finish copying rest of trans header */
 		xlog_recover_add_item(&trans->r_itemq);
-		ptr = (xfs_caddr_t) &trans->r_theader +
+		ptr = (char *)&trans->r_theader +
 				sizeof(xfs_trans_header_t) - len;
 		memcpy(ptr, dp, len);
 		return 0;
@@ -3420,12 +3419,12 @@ STATIC int
 xlog_recover_add_to_trans(
 	struct xlog		*log,
 	struct xlog_recover	*trans,
-	xfs_caddr_t		dp,
+	char			*dp,
 	int			len)
 {
 	xfs_inode_log_format_t	*in_f;			/* any will do */
 	xlog_recover_item_t	*item;
-	xfs_caddr_t		ptr;
+	char			*ptr;
 
 	if (!len)
 		return 0;
@@ -3514,7 +3513,7 @@ STATIC int
 xlog_recovery_process_trans(
 	struct xlog		*log,
 	struct xlog_recover	*trans,
-	xfs_caddr_t		dp,
+	char			*dp,
 	unsigned int		len,
 	unsigned int		flags,
 	int			pass)
@@ -3621,8 +3620,8 @@ xlog_recover_process_ophdr(
 	struct hlist_head	rhash[],
 	struct xlog_rec_header	*rhead,
 	struct xlog_op_header	*ohead,
-	xfs_caddr_t		dp,
-	xfs_caddr_t		end,
+	char			*dp,
+	char			*end,
 	int			pass)
 {
 	struct xlog_recover	*trans;
@@ -3671,11 +3670,11 @@ xlog_recover_process_data(
 	struct xlog		*log,
 	struct hlist_head	rhash[],
 	struct xlog_rec_header	*rhead,
-	xfs_caddr_t		dp,
+	char			*dp,
 	int			pass)
 {
 	struct xlog_op_header	*ohead;
-	xfs_caddr_t		end;
+	char			*end;
 	int			num_logops;
 	int			error;
 
@@ -4020,7 +4019,7 @@ xlog_recover_process_iunlinks(
 STATIC int
 xlog_unpack_data_crc(
 	struct xlog_rec_header	*rhead,
-	xfs_caddr_t		dp,
+	char			*dp,
 	struct xlog		*log)
 {
 	__le32			crc;
@@ -4050,7 +4049,7 @@ xlog_unpack_data_crc(
 STATIC int
 xlog_unpack_data(
 	struct xlog_rec_header	*rhead,
-	xfs_caddr_t		dp,
+	char			*dp,
 	struct xlog		*log)
 {
 	int			i, j, k;
@@ -4132,7 +4131,7 @@ xlog_do_recovery_pass(
 {
 	xlog_rec_header_t	*rhead;
 	xfs_daddr_t		blk_no;
-	xfs_caddr_t		offset;
+	char			*offset;
 	xfs_buf_t		*hbp, *dbp;
 	int			error = 0, h_size;
 	int			bblks, split_bblks;

fs/xfs/xfs_symlink.c

@@ -104,7 +104,7 @@ xfs_readlink_bmap(
 			cur_chunk += sizeof(struct xfs_dsymlink_hdr);
 		}
 
-		memcpy(link + offset, bp->b_addr, byte_cnt);
+		memcpy(link + offset, cur_chunk, byte_cnt);
 
 		pathlen -= byte_cnt;
 		offset += byte_cnt;

fs/xfs/xfs_trans_ail.c

@@ -159,7 +159,7 @@ xfs_trans_ail_cursor_next(
 {
 	struct xfs_log_item	*lip = cur->item;
 
-	if ((__psint_t)lip & 1)
+	if ((uintptr_t)lip & 1)
 		lip = xfs_ail_min(ailp);
 	if (lip)
 		cur->item = xfs_ail_next(ailp, lip);
@@ -196,7 +196,7 @@ xfs_trans_ail_cursor_clear(
 	list_for_each_entry(cur, &ailp->xa_cursors, list) {
 		if (cur->item == lip)
 			cur->item = (struct xfs_log_item *)
-					((__psint_t)cur->item | 1);
+					((uintptr_t)cur->item | 1);
 	}
 }
 
@@ -287,7 +287,7 @@ xfs_ail_splice(
 	 * find the place in the AIL where the items belong.
 	 */
 	lip = cur ? cur->item : NULL;
-	if (!lip || (__psint_t) lip & 1)
+	if (!lip || (uintptr_t)lip & 1)
 		lip = __xfs_trans_ail_cursor_last(ailp, lsn);
 
 	/*