NFSv4: Update of VFS byte range lock must be atomic with the stateid update

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Ensure that we test the lock stateid remained unchanged while we were
updating the VFS tracking of the byte range lock. Have the process
replay the lock to the server if we detect that was not the case.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

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Trond Myklebust 2015-01-24 16:03:52 -05:00

parent 425c1d4e5b

commit c69899a17c

2 changed files with 16 additions and 22 deletions

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37

fs/nfs/nfs4proc.c

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1

include/linux/nfs_xdr.h

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