linux-2.6.33/do_writepages() の変更点

• 追加された行はこの色です。
• 削除された行はこの色です。
• linux-2.6.33/do_writepages() へ行く。
• linux-2.6.33/do_writepages() の差分を削除

*参照元 [#h8468c3e]
#backlinks

*説明 [#c4a5735d]
-パス: [[linux-2.6.33/mm/page-writeback.c]]

-FIXME: これは何？
--説明


**引数 [#b3b2d904]
-struct address_space *mapping
--
--[[linux-2.6.33/address_space]]
-struct writeback_control *wbc
--
--[[linux-2.6.33/writeback_control]]


**返り値 [#b1e7346c]
-int
--


**参考 [#pa9092b5]
-writepages に設定される関数
-検索方法
 $ egrep -nr '\.writepages[\s]*' fs
-結果
 fs/afs/file.c:60:       .writepages     = afs_writepages,
 fs/block_dev.c:1470:    .writepages     = generic_writepages,
 fs/btrfs/disk-io.c:779: .writepages     = btree_writepages,
 fs/btrfs/inode.c:6005:  .writepages     = btrfs_writepages,
 fs/cifs/file.c:2350:    .writepages = cifs_writepages,
 fs/cifs/file.c:2366:    .writepages = cifs_writepages,
 fs/exofs/inode.c:760:   .writepages     = exofs_writepages,
 fs/ext2/inode.c:821:    .writepages             = ext2_writepages,
 fs/ext2/inode.c:841:    .writepages             = ext2_writepages,
 fs/ext4/inode.c:3894:   .writepages             = ext4_da_writepages,
 fs/fat/inode.c:216:     .writepages     = fat_writepages,
 fs/gfs2/aops.c:1118:    .writepages = gfs2_writeback_writepages,
 fs/gfs2/aops.c:1152:    .writepages = gfs2_jdata_writepages,
 fs/hfs/inode.c:144:     .writepages     = hfs_writepages,
 fs/hfsplus/inode.c:137: .writepages     = hfsplus_writepages,
 fs/jfs/inode.c:323:     .writepages     = jfs_writepages,
 fs/nfs/file.c:522:      .writepages = nfs_writepages,
 fs/nilfs2/inode.c:246:  .writepages             = nilfs_writepages,
 fs/omfs/file.c:344:     .writepages = omfs_writepages,
 fs/xfs/linux-2.6/xfs_aops.c:1551:       .writepages             = xfs_vm_writepages,


*実装 [#a12f5959]
 int do_writepages(struct address_space *mapping, struct writeback_control *wbc)
 {
 	int ret;
 
 	if (wbc->nr_to_write <= 0)
 		return 0;
 	if (mapping->a_ops->writepages)
 		ret = mapping->a_ops->writepages(mapping, wbc);
-
--[[linux-2.6.33/]]
-mapping->a_ops は struct address_space_operations 型
--[[linux-2.6.33/address_space_operations]]

 	else
 		ret = generic_writepages(mapping, wbc);
-
--[[linux-2.6.33/generic_writepages()]]

 	return ret;
 }


*コメント [#bb3a22ca]