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authorSteven Whitehouse <swhiteho@redhat.com>2014-01-14 14:46:51 +0100
committerSteven Whitehouse <swhiteho@redhat.com>2014-01-14 20:20:49 +0100
commit086352f1aa8d717eaf565074d6634c7bdd26aca0 (patch)
treed708e25a18042650b975700c10f92029a58fd0a9 /fs/gfs2/main.c
parentGFS2: Add initialization for address space in super block (diff)
downloadlinux-086352f1aa8d717eaf565074d6634c7bdd26aca0.tar.xz
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GFS2: No need to invalidate pages for a dio read
We recently fixed the writeback of pages prior to performing direct i/o, however the initial fix was perhaps a bit heavy handed. There is no need to invalidate pages if the direct i/o is only a read, since they will be identical to what has been flushed to disk anyway. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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