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Diffstat (limited to 'fs/xfs/linux-2.6/xfs_aops.c')
-rw-r--r--fs/xfs/linux-2.6/xfs_aops.c80
1 files changed, 36 insertions, 44 deletions
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index 7aa39872470..c6108971b4e 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -1,39 +1,26 @@
/*
- * Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2000-2005 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
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation.
*
- * This program is distributed in the hope that it would be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
*
- * Further, this software is distributed without any warranty that it is
- * free of the rightful claim of any third person regarding infringement
- * or the like. Any license provided herein, whether implied or
- * otherwise, applies only to this software file. Patent licenses, if
- * any, provided herein do not apply to combinations of this program with
- * other software, or any other product whatsoever.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
- * Mountain View, CA 94043, or:
- *
- * http://www.sgi.com
- *
- * For further information regarding this notice, see:
- *
- * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-
#include "xfs.h"
-#include "xfs_inum.h"
+#include "xfs_bit.h"
#include "xfs_log.h"
+#include "xfs_inum.h"
#include "xfs_sb.h"
+#include "xfs_ag.h"
#include "xfs_dir.h"
#include "xfs_dir2.h"
#include "xfs_trans.h"
@@ -42,13 +29,13 @@
#include "xfs_bmap_btree.h"
#include "xfs_alloc_btree.h"
#include "xfs_ialloc_btree.h"
-#include "xfs_alloc.h"
-#include "xfs_btree.h"
-#include "xfs_attr_sf.h"
#include "xfs_dir_sf.h"
#include "xfs_dir2_sf.h"
+#include "xfs_attr_sf.h"
#include "xfs_dinode.h"
#include "xfs_inode.h"
+#include "xfs_alloc.h"
+#include "xfs_btree.h"
#include "xfs_error.h"
#include "xfs_rw.h"
#include "xfs_iomap.h"
@@ -761,8 +748,9 @@ xfs_page_state_convert(
if (page->index >= end_index) {
if ((page->index >= end_index + 1) ||
!(i_size_read(inode) & (PAGE_CACHE_SIZE - 1))) {
- err = -EIO;
- goto error;
+ if (startio)
+ unlock_page(page);
+ return 0;
}
}
@@ -948,15 +936,18 @@ __linvfs_get_block(
{
vnode_t *vp = LINVFS_GET_VP(inode);
xfs_iomap_t iomap;
+ xfs_off_t offset;
+ ssize_t size;
int retpbbm = 1;
int error;
- ssize_t size;
- loff_t offset = (loff_t)iblock << inode->i_blkbits;
- if (blocks)
- size = blocks << inode->i_blkbits;
- else
+ if (blocks) {
+ offset = blocks << inode->i_blkbits; /* 64 bit goodness */
+ size = (ssize_t) min_t(xfs_off_t, offset, LONG_MAX);
+ } else {
size = 1 << inode->i_blkbits;
+ }
+ offset = (xfs_off_t)iblock << inode->i_blkbits;
VOP_BMAP(vp, offset, size,
create ? flags : BMAPI_READ, &iomap, &retpbbm, error);
@@ -967,8 +958,8 @@ __linvfs_get_block(
return 0;
if (iomap.iomap_bn != IOMAP_DADDR_NULL) {
- xfs_daddr_t bn;
- loff_t delta;
+ xfs_daddr_t bn;
+ xfs_off_t delta;
/* For unwritten extents do not report a disk address on
* the read case (treat as if we're reading into a hole).
@@ -1000,9 +991,8 @@ __linvfs_get_block(
*/
if (create &&
((!buffer_mapped(bh_result) && !buffer_uptodate(bh_result)) ||
- (offset >= i_size_read(inode)) || (iomap.iomap_flags & IOMAP_NEW))) {
+ (offset >= i_size_read(inode)) || (iomap.iomap_flags & IOMAP_NEW)))
set_buffer_new(bh_result);
- }
if (iomap.iomap_flags & IOMAP_DELAY) {
BUG_ON(direct);
@@ -1014,9 +1004,11 @@ __linvfs_get_block(
}
if (blocks) {
- bh_result->b_size = (ssize_t)min(
- (loff_t)(iomap.iomap_bsize - iomap.iomap_delta),
- (loff_t)(blocks << inode->i_blkbits));
+ ASSERT(iomap.iomap_bsize - iomap.iomap_delta > 0);
+ offset = min_t(xfs_off_t,
+ iomap.iomap_bsize - iomap.iomap_delta,
+ blocks << inode->i_blkbits);
+ bh_result->b_size = (u32) min_t(xfs_off_t, UINT_MAX, offset);
}
return 0;