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authorJiri Kosina <jkosina@suse.cz>2010-08-11 09:36:51 +0200
committerJiri Kosina <jkosina@suse.cz>2010-08-11 09:36:51 +0200
commit6396fc3b3ff3f6b942992b653a62df11dcef9bea (patch)
treedb3c7cbe833b43c653adc99f70941431c5ff7c4e /fs/xfs/linux-2.6/xfs_aops.c
parent4785879e4d340e24e54f6de2ccfc42728b912808 (diff)
parent3d30701b58970425e1d45994d6cb82f828924fdd (diff)
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Merge branch 'master' into for-next
Conflicts: fs/exofs/inode.c
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_aops.c')
-rw-r--r--fs/xfs/linux-2.6/xfs_aops.c62
1 files changed, 50 insertions, 12 deletions
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index d24e78f..15412fe 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -1478,22 +1478,38 @@ xfs_vm_direct_IO(
if (rw & WRITE) {
iocb->private = xfs_alloc_ioend(inode, IO_NEW);
- ret = blockdev_direct_IO_no_locking(rw, iocb, inode, bdev, iov,
- offset, nr_segs,
- xfs_get_blocks_direct,
- xfs_end_io_direct_write);
+ ret = __blockdev_direct_IO(rw, iocb, inode, bdev, iov,
+ offset, nr_segs,
+ xfs_get_blocks_direct,
+ xfs_end_io_direct_write, NULL, 0);
if (ret != -EIOCBQUEUED && iocb->private)
xfs_destroy_ioend(iocb->private);
} else {
- ret = blockdev_direct_IO_no_locking(rw, iocb, inode, bdev, iov,
- offset, nr_segs,
- xfs_get_blocks_direct,
- NULL);
+ ret = __blockdev_direct_IO(rw, iocb, inode, bdev, iov,
+ offset, nr_segs,
+ xfs_get_blocks_direct,
+ NULL, NULL, 0);
}
return ret;
}
+STATIC void
+xfs_vm_write_failed(
+ struct address_space *mapping,
+ loff_t to)
+{
+ struct inode *inode = mapping->host;
+
+ if (to > inode->i_size) {
+ struct iattr ia = {
+ .ia_valid = ATTR_SIZE | ATTR_FORCE,
+ .ia_size = inode->i_size,
+ };
+ xfs_setattr(XFS_I(inode), &ia, XFS_ATTR_NOLOCK);
+ }
+}
+
STATIC int
xfs_vm_write_begin(
struct file *file,
@@ -1504,9 +1520,31 @@ xfs_vm_write_begin(
struct page **pagep,
void **fsdata)
{
- *pagep = NULL;
- return block_write_begin(file, mapping, pos, len, flags | AOP_FLAG_NOFS,
- pagep, fsdata, xfs_get_blocks);
+ int ret;
+
+ ret = block_write_begin(mapping, pos, len, flags | AOP_FLAG_NOFS,
+ pagep, xfs_get_blocks);
+ if (unlikely(ret))
+ xfs_vm_write_failed(mapping, pos + len);
+ return ret;
+}
+
+STATIC int
+xfs_vm_write_end(
+ struct file *file,
+ struct address_space *mapping,
+ loff_t pos,
+ unsigned len,
+ unsigned copied,
+ struct page *page,
+ void *fsdata)
+{
+ int ret;
+
+ ret = generic_write_end(file, mapping, pos, len, copied, page, fsdata);
+ if (unlikely(ret < len))
+ xfs_vm_write_failed(mapping, pos + len);
+ return ret;
}
STATIC sector_t
@@ -1551,7 +1589,7 @@ const struct address_space_operations xfs_address_space_operations = {
.releasepage = xfs_vm_releasepage,
.invalidatepage = xfs_vm_invalidatepage,
.write_begin = xfs_vm_write_begin,
- .write_end = generic_write_end,
+ .write_end = xfs_vm_write_end,
.bmap = xfs_vm_bmap,
.direct_IO = xfs_vm_direct_IO,
.migratepage = buffer_migrate_page,