NFS: Allow nfs_updatepage to extend a write under additional circumstances

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Currently nfs_updatepage allows a write to be extended to cover a full
page only if we don't have a byte range lock lock on the file... but if
we have a write delegation on the file or if we have the whole file
locked for writing then we should be allowed to extend the write as
well.

Signed-off-by: Scott Mayhew <smayhew@redhat.com>
[Trond: fix up call to nfs_have_delegation()]
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

...

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Scott Mayhew 2013-07-05 17:33:19 -04:00 • committed by Trond Myklebust

parent 07b5ce8ef2

commit c7559663e4

1 changed files with 23 additions and 8 deletions

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31

fs/nfs/write.c

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