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由 Emil Medve 提交于
mm/filemap.c: In function '__filemap_fdatawrite_range': mm/filemap.c:200: error: implicit declaration of function 'mapping_cap_writeback_dirty' This happens when we don't use/have any block devices and a NFS root filesystem is used. mapping_cap_writeback_dirty() is defined in linux/backing-dev.h which used to be provided in mm/filemap.c by linux/blkdev.h until commit f5ff8422 (Fix warnings with !CONFIG_BLOCK). Signed-off-by: NEmil Medve <Emilian.Medve@Freescale.com> Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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