Merge sgi.com:/source2/linux-2.6 into sgi.com:/source2/xfs-linux-2.6

fs/xfs/linux/xfs_aops.c

@@ -108,7 +108,7 @@ linvfs_unwritten_done(
 	struct buffer_head	*bh,
 	int			uptodate)
 {
-	page_buf_t		*pb = (page_buf_t *)bh->b_private;
+	xfs_buf_t		*pb = (xfs_buf_t *)bh->b_private;
 
 	ASSERT(buffer_unwritten(bh));
 	bh->b_end_io = NULL;
@@ -265,9 +265,9 @@ xfs_map_at_offset(
 STATIC struct page *
 xfs_probe_unwritten_page(
 	struct address_space	*mapping,
-	unsigned long		index,
+	pgoff_t			index,
 	xfs_iomap_t		*iomapp,
-	page_buf_t		*pb,
+	xfs_buf_t		*pb,
 	unsigned long		max_offset,
 	unsigned long		*fsbs,
 	unsigned int            bbits)
@@ -316,7 +316,7 @@ xfs_probe_unwritten_page(
 STATIC unsigned int
 xfs_probe_unmapped_page(
 	struct address_space	*mapping,
-	unsigned long		index,
+	pgoff_t			index,
 	unsigned int		pg_offset)
 {
 	struct page		*page;
@@ -356,8 +356,8 @@ xfs_probe_unmapped_cluster(
 	struct buffer_head	*bh,
 	struct buffer_head	*head)
 {
-	unsigned long		tindex, tlast, tloff;
-	unsigned int		len, total = 0;
+	pgoff_t			tindex, tlast, tloff;
+	unsigned int		pg_offset, len, total = 0;
 	struct address_space	*mapping = inode->i_mapping;
 
 	/* First sum forwards in this page */
@@ -382,9 +382,9 @@ xfs_probe_unmapped_cluster(
 			total += len;
 		}
 		if (tindex == tlast &&
-		    (tloff = i_size_read(inode) & (PAGE_CACHE_SIZE - 1))) {
+		    (pg_offset = i_size_read(inode) & (PAGE_CACHE_SIZE - 1))) {
 			total += xfs_probe_unmapped_page(mapping,
-							tindex, tloff);
+							tindex, pg_offset);
 		}
 	}
 	return total;
@@ -398,7 +398,7 @@ xfs_probe_unmapped_cluster(
 STATIC struct page *
 xfs_probe_delalloc_page(
 	struct inode		*inode,
-	unsigned long		index)
+	pgoff_t			index)
 {
 	struct page		*page;
 
@@ -445,7 +445,7 @@ xfs_map_unwritten(
 {
 	struct buffer_head	*bh = curr;
 	xfs_iomap_t		*tmp;
-	page_buf_t		*pb;
+	xfs_buf_t		*pb;
 	loff_t			offset, size;
 	unsigned long		nblocks = 0;
 
@@ -497,8 +497,9 @@ xfs_map_unwritten(
 	 */
 	if (bh == head) {
 		struct address_space	*mapping = inode->i_mapping;
-		unsigned long		tindex, tloff, tlast, bs;
-		unsigned int		bbits = inode->i_blkbits;
+		pgoff_t			tindex, tloff, tlast;
+		unsigned long		bs;
+		unsigned int		pg_offset, bbits = inode->i_blkbits;
 		struct page		*page;
 
 		tlast = i_size_read(inode) >> PAGE_CACHE_SHIFT;
@@ -522,10 +523,10 @@ xfs_map_unwritten(
 		}
 
 		if (tindex == tlast &&
-		    (tloff = (i_size_read(inode) & (PAGE_CACHE_SIZE - 1)))) {
+		    (pg_offset = (i_size_read(inode) & (PAGE_CACHE_SIZE - 1)))) {
 			page = xfs_probe_unwritten_page(mapping,
 							tindex, iomapp, pb,
-							tloff, &bs, bbits);
+							pg_offset, &bs, bbits);
 			if (page) {
 				nblocks += bs;
 				atomic_add(bs, &pb->pb_io_remaining);
@@ -603,7 +604,8 @@ xfs_convert_page(
 {
 	struct buffer_head	*bh_arr[MAX_BUF_PER_PAGE], *bh, *head;
 	xfs_iomap_t		*mp = iomapp, *tmp;
-	unsigned long		end, offset, end_index;
+	unsigned long		end, offset;
+	pgoff_t			end_index;
 	int			i = 0, index = 0;
 	int			bbits = inode->i_blkbits;
 
@@ -671,12 +673,12 @@ xfs_convert_page(
 STATIC void
 xfs_cluster_write(
 	struct inode		*inode,
-	unsigned long		tindex,
+	pgoff_t			tindex,
 	xfs_iomap_t		*iomapp,
 	int			startio,
 	int			all_bh)
 {
-	unsigned long		tlast;
+	pgoff_t			tlast;
 	struct page		*page;
 
 	tlast = (iomapp->iomap_offset + iomapp->iomap_bsize) >> PAGE_CACHE_SHIFT;
@@ -716,7 +718,8 @@ xfs_page_state_convert(
 {
 	struct buffer_head	*bh_arr[MAX_BUF_PER_PAGE], *bh, *head;
 	xfs_iomap_t		*iomp, iomap;
-	unsigned long		p_offset = 0, end_index;
+	unsigned long		p_offset = 0;
+	pgoff_t			end_index;
 	loff_t			offset;
 	unsigned long long	end_offset;
 	int			len, err, i, cnt = 0, uptodate = 1;

fs/xfs/linux/xfs_globals.c

@@ -50,19 +50,19 @@ unsigned long xfs_physmem;
  */
 
 xfs_param_t xfs_params = {
-			  /*	MIN	DFLT	MAX	*/
-	.restrict_chown	= {	0,	1,	1	},
-	.sgid_inherit	= {	0,	0,	1	},
-	.symlink_mode	= {	0,	0,	1	},
-	.panic_mask	= {	0,	0,	127	},
-	.error_level	= {	0,	3,	11	},
-	.sync_interval	= {	HZ,	30*HZ,	60*HZ	},
-	.stats_clear	= {	0,	0,	1	},
-	.inherit_sync	= {	0,	1,	1	},
-	.inherit_nodump	= {	0,	1,	1	},
-	.inherit_noatim = {	0,	1,	1	},
-	.flush_interval	= {	HZ/2,	HZ,	30*HZ	},
-	.age_buffer	= {	1*HZ,	15*HZ,	300*HZ	},
+			  /*	MIN		DFLT		MAX	*/
+	.restrict_chown	= {	0,		1,		1	},
+	.sgid_inherit	= {	0,		0,		1	},
+	.symlink_mode	= {	0,		0,		1	},
+	.panic_mask	= {	0,		0,		127	},
+	.error_level	= {	0,		3,		11	},
+	.sync_interval	= {	USER_HZ,	30*USER_HZ,	7200*USER_HZ },
+	.stats_clear	= {	0,		0,		1	},
+	.inherit_sync	= {	0,		1,		1	},
+	.inherit_nodump	= {	0,		1,		1	},
+	.inherit_noatim = {	0,		1,		1	},
+	.flush_interval	= {	USER_HZ/2,	USER_HZ,	30*USER_HZ },
+	.age_buffer	= {	1*USER_HZ,	15*USER_HZ,	7200*USER_HZ },
 };
 
 /*

fs/xfs/linux/xfs_ioctl.c

@@ -659,7 +659,7 @@ xfs_ioctl(
 
 	case XFS_IOC_DIOINFO: {
 		struct dioattr	da;
-		pb_target_t	*target =
+		xfs_buftarg_t	*target =
 			(ip->i_d.di_flags & XFS_DIFLAG_REALTIME) ?
 			mp->m_rtdev_targp : mp->m_ddev_targp;
 

fs/xfs/linux/xfs_linux.h

@@ -134,13 +134,13 @@ static inline void set_buffer_unwritten_io(struct buffer_head *bh)
 #define irix_symlink_mode	xfs_params.symlink_mode.val
 #define xfs_panic_mask		xfs_params.panic_mask.val
 #define xfs_error_level		xfs_params.error_level.val
-#define xfs_syncd_interval	xfs_params.sync_interval.val
+#define xfs_syncd_interval	(xfs_params.sync_interval.val * HZ / USER_HZ)
 #define xfs_stats_clear		xfs_params.stats_clear.val
 #define xfs_inherit_sync	xfs_params.inherit_sync.val
 #define xfs_inherit_nodump	xfs_params.inherit_nodump.val
 #define xfs_inherit_noatime	xfs_params.inherit_noatim.val
-#define xfs_flush_interval	xfs_params.flush_interval.val
-#define xfs_age_buffer		xfs_params.age_buffer.val
+#define xfs_flush_interval	(xfs_params.flush_interval.val * HZ / USER_HZ)
+#define xfs_age_buffer		(xfs_params.age_buffer.val * HZ / USER_HZ)
 
 #define current_cpu()		smp_processor_id()
 #define current_pid()		(current->pid)
@@ -247,10 +247,11 @@ static inline void set_buffer_unwritten_io(struct buffer_head *bh)
 #define howmany(x, y)	(((x)+((y)-1))/(y))
 #define roundup(x, y)	((((x)+((y)-1))/(y))*(y))
 
-static inline void xfs_stack_trace(void)
-{
-	dump_stack();
-}
+#define xfs_stack_trace()	dump_stack()
+
+#define xfs_itruncate_data(ip, off)	\
+	(-vmtruncate(LINVFS_GET_IP(XFS_ITOV(ip)), (off)))
+
 
 /* Move the kernel do_div definition off to one side */
 

fs/xfs/linux/xfs_lrw.c

@@ -301,7 +301,7 @@ xfs_read(
 	/* END copy & waste from filemap.c */
 
 	if (ioflags & IO_ISDIRECT) {
-		pb_target_t	*target =
+		xfs_buftarg_t	*target =
 			(ip->i_d.di_flags & XFS_DIFLAG_REALTIME) ?
 				mp->m_rtdev_targp : mp->m_ddev_targp;
 		if ((*offset & target->pbr_smask) ||
@@ -687,7 +687,7 @@ xfs_write(
 	}
 
 	if (ioflags & IO_ISDIRECT) {
-		pb_target_t	*target =
+		xfs_buftarg_t	*target =
 			(xip->i_d.di_flags & XFS_DIFLAG_REALTIME) ?
 				mp->m_rtdev_targp : mp->m_ddev_targp;
 

fs/xfs/linux/xfs_lrw.h

@@ -38,7 +38,7 @@ struct xfs_mount;
 struct xfs_iocore;
 struct xfs_inode;
 struct xfs_bmbt_irec;
-struct page_buf_s;
+struct xfs_buf;
 struct xfs_iomap;
 
 #if defined(XFS_RW_TRACE)
@@ -89,8 +89,8 @@ extern void xfs_inval_cached_trace(struct xfs_iocore *,
 
 extern int xfs_bmap(struct bhv_desc *, xfs_off_t, ssize_t, int,
 			struct xfs_iomap *, int *);
-extern int xfsbdstrat(struct xfs_mount *, struct page_buf_s *);
-extern int xfs_bdstrat_cb(struct page_buf_s *);
+extern int xfsbdstrat(struct xfs_mount *, struct xfs_buf *);
+extern int xfs_bdstrat_cb(struct xfs_buf *);
 
 extern int xfs_zero_eof(struct vnode *, struct xfs_iocore *, xfs_off_t,
 				xfs_fsize_t, xfs_fsize_t);

fs/xfs/linux/xfs_super.c

 /*
- * Copyright (c) 2000-2003 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2000-2004 Silicon Graphics, Inc.  All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of version 2 of the GNU General Public License as
@@ -153,8 +153,7 @@ xfs_set_inodeops(
 			inode->i_mapping->a_ops = &linvfs_aops;
 	} else {
 		inode->i_op = &linvfs_file_inode_operations;
-		init_special_inode(inode, inode->i_mode,
-					inode->i_rdev);
+		init_special_inode(inode, inode->i_mode, inode->i_rdev);
 	}
 }
 
@@ -287,7 +286,7 @@ void
 xfs_flush_buftarg(
 	xfs_buftarg_t		*btp)
 {
-	pagebuf_delwri_flush(btp, PBDF_WAIT, NULL);
+	pagebuf_delwri_flush(btp, 1, NULL);
 }
 
 void
@@ -448,7 +447,8 @@ linvfs_clear_inode(
 #define SYNCD_FLAGS	(SYNC_FSDATA|SYNC_BDFLUSH|SYNC_ATTR)
 
 STATIC int
-syncd(void *arg)
+xfssyncd(
+	void			*arg)
 {
 	vfs_t			*vfsp = (vfs_t *) arg;
 	int			error;
@@ -480,20 +480,22 @@ syncd(void *arg)
 }
 
 STATIC int
-linvfs_start_syncd(vfs_t *vfsp)
+linvfs_start_syncd(
+	vfs_t			*vfsp)
 {
-	int pid;
+	int			pid;
 
-	pid = kernel_thread(syncd, (void *) vfsp,
+	pid = kernel_thread(xfssyncd, (void *) vfsp,
 			CLONE_VM | CLONE_FS | CLONE_FILES);
 	if (pid < 0)
-		return pid;
+		return -pid;
 	wait_event(vfsp->vfs_wait_sync_task, vfsp->vfs_sync_task);
 	return 0;
 }
 
 STATIC void
-linvfs_stop_syncd(vfs_t *vfsp)
+linvfs_stop_syncd(
+	vfs_t			*vfsp)
 {
 	vfsp->vfs_flag |= VFS_UMOUNT;
 	wmb();
@@ -735,7 +737,7 @@ linvfs_fill_super(
 	struct vfs		*vfsp = vfs_allocate();
 	struct xfs_mount_args	*args = xfs_args_allocate(sb);
 	struct kstatfs		statvfs;
-	int			error;
+	int			error, error2;
 
 	vfsp->vfs_super = sb;
 	LINVFS_SET_VFS(sb, vfsp);
@@ -776,11 +778,15 @@ linvfs_fill_super(
 		goto fail_unmount;
 
 	sb->s_root = d_alloc_root(LINVFS_GET_IP(rootvp));
-	if (!sb->s_root)
+	if (!sb->s_root) {
+		error = ENOMEM;
 		goto fail_vnrele;
-	if (is_bad_inode(sb->s_root->d_inode))
+	}
+	if (is_bad_inode(sb->s_root->d_inode)) {
+		error = EINVAL;
 		goto fail_vnrele;
-	if (linvfs_start_syncd(vfsp))
+	}
+	if ((error = linvfs_start_syncd(vfsp)))
 		goto fail_vnrele;
 	vn_trace_exit(rootvp, __FUNCTION__, (inst_t *)__return_address);
 
@@ -796,7 +802,7 @@ linvfs_fill_super(
 	}
 
 fail_unmount:
-	VFS_UNMOUNT(vfsp, 0, NULL, error);
+	VFS_UNMOUNT(vfsp, 0, NULL, error2);
 
 fail_vfsop:
 	vfs_deallocate(vfsp);

fs/xfs/linux/xfs_super.h

@@ -112,7 +112,7 @@ extern void xfs_qm_exit(void);
 
 struct xfs_inode;
 struct xfs_mount;
-struct pb_target;
+struct xfs_buftarg;
 struct block_device;
 
 extern __uint64_t xfs_max_file_offset(unsigned int);
@@ -126,12 +126,12 @@ extern int  xfs_blkdev_get(struct xfs_mount *, const char *,
 				struct block_device **);
 extern void xfs_blkdev_put(struct block_device *);
 
-extern struct pb_target *xfs_alloc_buftarg(struct block_device *);
-extern void xfs_relse_buftarg(struct pb_target *);
-extern void xfs_free_buftarg(struct pb_target *);
-extern void xfs_flush_buftarg(struct pb_target *);
-extern int xfs_readonly_buftarg(struct pb_target *);
-extern void xfs_setsize_buftarg(struct pb_target *, unsigned int, unsigned int);
-extern unsigned int xfs_getsize_buftarg(struct pb_target *);
+extern struct xfs_buftarg *xfs_alloc_buftarg(struct block_device *);
+extern void xfs_relse_buftarg(struct xfs_buftarg *);
+extern void xfs_free_buftarg(struct xfs_buftarg *);
+extern void xfs_flush_buftarg(struct xfs_buftarg *);
+extern int xfs_readonly_buftarg(struct xfs_buftarg *);
+extern void xfs_setsize_buftarg(struct xfs_buftarg *, unsigned int, unsigned int);
+extern unsigned int xfs_getsize_buftarg(struct xfs_buftarg *);
 
 #endif	/* __XFS_SUPER_H__ */

fs/xfs/xfs_acl.c

@@ -111,7 +111,7 @@ posix_acl_xattr_to_xfs(
 		return EINVAL;
 
 	if (src->a_version != cpu_to_le32(POSIX_ACL_XATTR_VERSION))
-		return EINVAL;
+		return EOPNOTSUPP;
 
 	memset(dest, 0, sizeof(xfs_acl_t));
 	dest->acl_cnt = posix_acl_xattr_count(size);

fs/xfs/xfs_dir2_node.c

 /*
- * Copyright (c) 2000-2002 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2000-2004 Silicon Graphics, Inc.  All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of version 2 of the GNU General Public License as
@@ -224,12 +224,21 @@ xfs_dir2_leafn_add(
 	mp = dp->i_mount;
 	tp = args->trans;
 	leaf = bp->data;
+
+	/*
+	 * Quick check just to make sure we are not going to index
+	 * into other peoples memory
+	 */
+	if (index < 0)
+		return XFS_ERROR(EFSCORRUPTED);
+
 	/*
 	 * If there are already the maximum number of leaf entries in
 	 * the block, if there are no stale entries it won't fit.
 	 * Caller will do a split.  If there are stale entries we'll do
 	 * a compact.
 	 */
+
 	if (INT_GET(leaf->hdr.count, ARCH_CONVERT) == XFS_DIR2_MAX_LEAF_ENTS(mp)) {
 		if (INT_ISZERO(leaf->hdr.stale, ARCH_CONVERT))
 			return XFS_ERROR(ENOSPC);
@@ -828,12 +837,24 @@ xfs_dir2_leafn_rebalance(
 		state->inleaf = !swap;
 	else
 		state->inleaf =
-			swap ^ (args->hashval < INT_GET(leaf2->ents[0].hashval, ARCH_CONVERT));
+			swap ^ (blk1->index <= INT_GET(leaf1->hdr.count, ARCH_CONVERT));
 	/*
 	 * Adjust the expected index for insertion.
 	 */
 	if (!state->inleaf)
 		blk2->index = blk1->index - INT_GET(leaf1->hdr.count, ARCH_CONVERT);
+	
+	/* 
+	 * Finally sanity check just to make sure we are not returning a negative index 
+	 */
+	if(blk2->index < 0) {
+		state->inleaf = 1;
+		blk2->index = 0;
+		cmn_err(CE_ALERT,
+			"xfs_dir2_leafn_rebalance: picked the wrong leaf? reverting orignal leaf: "
+			"blk1->index %d\n",
+			blk1->index);
+	}
 }
 
 /*

fs/xfs/xfs_iomap.c

@@ -591,10 +591,11 @@ xfs_iomap_write_delay(
 	firstblock = NULLFSBLOCK;
 
 	/*
-	 * roundup the allocation request to m_dalign boundary if file size
-	 * is greater that 512K and we are allocating past the allocation eof
+	 * Roundup the allocation request to a stripe unit (m_dalign) boundary
+	 * if the file size is >= stripe unit size, and we are allocating past
+	 * the allocation eof.
 	 */
-	if (mp->m_dalign && (isize >= mp->m_dalign) && aeof) {
+	if (mp->m_dalign && (isize >= XFS_FSB_TO_B(mp, mp->m_dalign)) && aeof) {
 		int eof;
 		xfs_fileoff_t new_last_fsb;
 		new_last_fsb = roundup_64(last_fsb, mp->m_dalign);

fs/xfs/xfs_vfsops.c

@@ -213,9 +213,9 @@ xfs_cleanup(void)
  */
 STATIC int
 xfs_start_flags(
+	struct vfs		*vfs,
 	struct xfs_mount_args	*ap,
-	struct xfs_mount	*mp,
-	int			ronly)
+	struct xfs_mount	*mp)
 {
 	/* Values are in BBs */
 	if ((ap->flags & XFSMNT_NOALIGN) != XFSMNT_NOALIGN) {
@@ -305,7 +305,7 @@ xfs_start_flags(
 	 * no recovery flag requires a read-only mount
 	 */
 	if (ap->flags & XFSMNT_NORECOVERY) {
-		if (!ronly) {
+		if (!(vfs->vfs_flag & VFS_RDONLY)) {
 			cmn_err(CE_WARN,
 	"XFS: tried to mount a FS read-write without recovery!");
 			return XFS_ERROR(EINVAL);
@@ -327,10 +327,12 @@ xfs_start_flags(
  */
 STATIC int
 xfs_finish_flags(
+	struct vfs		*vfs,
 	struct xfs_mount_args	*ap,
-	struct xfs_mount	*mp,
-	int			ronly)
+	struct xfs_mount	*mp)
 {
+	int			ronly = (vfs->vfs_flag & VFS_RDONLY);
+
 	/* Fail a mount where the logbuf is smaller then the log stripe */
 	if (XFS_SB_VERSION_HASLOGV2(&mp->m_sb)) {
 		if ((ap->logbufsize == -1) &&
@@ -420,7 +422,6 @@ xfs_mount(
 	struct bhv_desc		*p;
 	struct xfs_mount	*mp = XFS_BHVTOM(bhvp);
 	struct block_device	*ddev, *logdev, *rtdev;
-	int			ronly = (vfsp->vfs_flag & VFS_RDONLY);
 	int			flags = 0, error;
 
 	ddev = vfsp->vfs_super->s_bdev;
@@ -472,13 +473,13 @@ xfs_mount(
 	/*
 	 * Setup flags based on mount(2) options and then the superblock
 	 */
-	error = xfs_start_flags(args, mp, ronly);
+	error = xfs_start_flags(vfsp, args, mp);
 	if (error)
 		goto error;
 	error = xfs_readsb(mp);
 	if (error)
 		goto error;
-	error = xfs_finish_flags(args, mp, ronly);
+	error = xfs_finish_flags(vfsp, args, mp);
 	if (error) {
 		xfs_freesb(mp);
 		goto error;
@@ -636,8 +637,7 @@ xfs_mntupdate(
 		 */ 
 		do {
 			VFS_SYNC(vfsp, REMOUNT_READONLY_FLAGS, NULL, error);
-			pagebuf_delwri_flush(mp->m_ddev_targp, PBDF_WAIT,
-								&pincount);
+			pagebuf_delwri_flush(mp->m_ddev_targp, 1, &pincount);
 			if(0 == pincount) { delay(50); count++; }
 		} while (count < 2);
 

fs/xfs/xfs_vnodeops.c

@@ -680,18 +680,12 @@ xfs_setattr(
 	 * once it is a part of the transaction.
 	 */
 	if (mask & XFS_AT_SIZE) {
-		if (vap->va_size > ip->i_d.di_size) {
+		code = 0;
+		if (vap->va_size > ip->i_d.di_size)
 			code = xfs_igrow_start(ip, vap->va_size, credp);
-			xfs_iunlock(ip, XFS_ILOCK_EXCL);
-		} else if (vap->va_size <= ip->i_d.di_size) {
-			xfs_iunlock(ip, XFS_ILOCK_EXCL);
-			xfs_itruncate_start(ip, XFS_ITRUNC_DEFINITE,
-					    (xfs_fsize_t)vap->va_size);
-			code = 0;
-		} else {
-			xfs_iunlock(ip, XFS_ILOCK_EXCL);
-			code = 0;
-		}
+		xfs_iunlock(ip, XFS_ILOCK_EXCL);
+		if (!code)
+			code = xfs_itruncate_data(ip, vap->va_size);
 		if (code) {
 			ASSERT(tp == NULL);
 			lock_flags &= ~XFS_ILOCK_EXCL;