vfs: pagecache usage optimization for pagesize!=blocksize

[safe/jmp/linux-2.6] / fs / ext4 / inode.c

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 8ca2763..9843b04 100644 (file)
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2806,59 +2806,63 @@ static int ext4_journalled_set_page_dirty(struct page *page)
 }
 
 static const struct address_space_operations ext4_ordered_aops = {
-       .readpage       = ext4_readpage,
-       .readpages      = ext4_readpages,
-       .writepage      = ext4_normal_writepage,
-       .sync_page      = block_sync_page,
-       .write_begin    = ext4_write_begin,
-       .write_end      = ext4_ordered_write_end,
-       .bmap           = ext4_bmap,
-       .invalidatepage = ext4_invalidatepage,
-       .releasepage    = ext4_releasepage,
-       .direct_IO      = ext4_direct_IO,
-       .migratepage    = buffer_migrate_page,
+       .readpage               = ext4_readpage,
+       .readpages              = ext4_readpages,
+       .writepage              = ext4_normal_writepage,
+       .sync_page              = block_sync_page,
+       .write_begin            = ext4_write_begin,
+       .write_end              = ext4_ordered_write_end,
+       .bmap                   = ext4_bmap,
+       .invalidatepage         = ext4_invalidatepage,
+       .releasepage            = ext4_releasepage,
+       .direct_IO              = ext4_direct_IO,
+       .migratepage            = buffer_migrate_page,
+       .is_partially_uptodate  = block_is_partially_uptodate,
 };
 
 static const struct address_space_operations ext4_writeback_aops = {
-       .readpage       = ext4_readpage,
-       .readpages      = ext4_readpages,
-       .writepage      = ext4_normal_writepage,
-       .sync_page      = block_sync_page,
-       .write_begin    = ext4_write_begin,
-       .write_end      = ext4_writeback_write_end,
-       .bmap           = ext4_bmap,
-       .invalidatepage = ext4_invalidatepage,
-       .releasepage    = ext4_releasepage,
-       .direct_IO      = ext4_direct_IO,
-       .migratepage    = buffer_migrate_page,
+       .readpage               = ext4_readpage,
+       .readpages              = ext4_readpages,
+       .writepage              = ext4_normal_writepage,
+       .sync_page              = block_sync_page,
+       .write_begin            = ext4_write_begin,
+       .write_end              = ext4_writeback_write_end,
+       .bmap                   = ext4_bmap,
+       .invalidatepage         = ext4_invalidatepage,
+       .releasepage            = ext4_releasepage,
+       .direct_IO              = ext4_direct_IO,
+       .migratepage            = buffer_migrate_page,
+       .is_partially_uptodate  = block_is_partially_uptodate,
 };
 
 static const struct address_space_operations ext4_journalled_aops = {
-       .readpage       = ext4_readpage,
-       .readpages      = ext4_readpages,
-       .writepage      = ext4_journalled_writepage,
-       .sync_page      = block_sync_page,
-       .write_begin    = ext4_write_begin,
-       .write_end      = ext4_journalled_write_end,
-       .set_page_dirty = ext4_journalled_set_page_dirty,
-       .bmap           = ext4_bmap,
-       .invalidatepage = ext4_invalidatepage,
-       .releasepage    = ext4_releasepage,
+       .readpage               = ext4_readpage,
+       .readpages              = ext4_readpages,
+       .writepage              = ext4_journalled_writepage,
+       .sync_page              = block_sync_page,
+       .write_begin            = ext4_write_begin,
+       .write_end              = ext4_journalled_write_end,
+       .set_page_dirty         = ext4_journalled_set_page_dirty,
+       .bmap                   = ext4_bmap,
+       .invalidatepage         = ext4_invalidatepage,
+       .releasepage            = ext4_releasepage,
+       .is_partially_uptodate  = block_is_partially_uptodate,
 };
 
 static const struct address_space_operations ext4_da_aops = {
-       .readpage       = ext4_readpage,
-       .readpages      = ext4_readpages,
-       .writepage      = ext4_da_writepage,
-       .writepages     = ext4_da_writepages,
-       .sync_page      = block_sync_page,
-       .write_begin    = ext4_da_write_begin,
-       .write_end      = ext4_da_write_end,
-       .bmap           = ext4_bmap,
-       .invalidatepage = ext4_da_invalidatepage,
-       .releasepage    = ext4_releasepage,
-       .direct_IO      = ext4_direct_IO,
-       .migratepage    = buffer_migrate_page,
+       .readpage               = ext4_readpage,
+       .readpages              = ext4_readpages,
+       .writepage              = ext4_da_writepage,
+       .writepages             = ext4_da_writepages,
+       .sync_page              = block_sync_page,
+       .write_begin            = ext4_da_write_begin,
+       .write_end              = ext4_da_write_end,
+       .bmap                   = ext4_bmap,
+       .invalidatepage         = ext4_da_invalidatepage,
+       .releasepage            = ext4_releasepage,
+       .direct_IO              = ext4_direct_IO,
+       .migratepage            = buffer_migrate_page,
+       .is_partially_uptodate  = block_is_partially_uptodate,
 };
 
 void ext4_set_aops(struct inode *inode)