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authorSteven Whitehouse <swhiteho@redhat.com>2011-03-30 16:25:51 +0100
committerSteven Whitehouse <swhiteho@redhat.com>2011-04-20 08:59:25 +0100
commit5ac048bb7ea6e87b06504b999017cfa1f38f4092 (patch)
tree218a2dd0e6f6d39ead51bb32c10f801f6153c069 /fs/btrfs/ioctl.h
parent1027efaa238e1b65c07b6c2d9e270e548c2bdb07 (diff)
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GFS2: Use filemap_fdatawrite() to write back the AIL
In order to ensure that the mapping stats (and thus the bdi) are correctly updated, this patch changes the AIL writeback to use the filemap_datawrite function. This helps prevent stalls in balance_dirty_pages() due to large amounts of dirty metadata when there is little or no dirty data around. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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