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authorBob Peterson <rpeterso@redhat.com>2016-01-27 16:00:38 -0500
committerBob Peterson <rpeterso@redhat.com>2016-03-15 10:46:28 -0400
commit2df6f47150b6afbb258ed1d5c9ed78c23df05053 (patch)
tree5f67da00fb95f46a0f324d49b8714fdb1be83d62 /fs/gfs2/incore.h
parent67893f12e5374bbcaaffbc6e570acbc2714ea884 (diff)
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GFS2: Fix direct IO write rounding error
The fsx test in xfstests was failing because it was using direct IO writes which were using a bad calculation. It was using loff_t lstart = offset & (PAGE_CACHE_SIZE - 1); when it should be loff_t lstart = offset & ~(PAGE_CACHE_SIZE - 1); Thus, the write at offset 0x67e00 was calculating lstart to be 0xe00, the address of our corruption. Instead, it should have been 0x67000. This patch fixes the calculation. Signed-off-by: Bob Peterson <rpeterso@redhat.com> Acked-by: Steven Whitehouse <swhiteho@redhat.com>
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