Andreas Gruenbacher f95cbb44ab gfs2: use iomap_readpage for blocksize == PAGE_SIZE ...

We only use iomap_readpage for pages that don't have buffer heads
attached yet: iomap_readpage would otherwise read pages from disk that
are marked buffer_uptodate() but not PageUptodate().  Those pages may
actually contain data more recent than what's on disk.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Bob Peterson <rpeterso@redhat.com>

2018-07-25 00:08:49 +02:00

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