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(parent: 5d0e3a0) | patch
pnfsblock: fix partial page buffer wirte
authorPeng Tao <bergwolf@gmail.com>
Thu, 23 Aug 2012 16:27:51 +0000 (00:27 +0800)
committerTrond Myklebust <Trond.Myklebust@netapp.com>
Mon, 1 Oct 2012 22:38:24 +0000 (15:38 -0700)
commitfe6e1e8d9fad86873eb74a26e80a8f91f9e870b5
treed09ce2464d48894ec12d39571d79e1176b493cfbtree | snapshot
parent5d0e3a004f02bffab51f542fa1d5b2e2854d8545commit | diff
pnfsblock: fix partial page buffer wirte

If applications use flock to protect its write range, generic NFS
will not do read-modify-write cycle at page cache level. Therefore
LD should know how to handle non-sector aligned writes. Otherwise
there will be data corruption.

Cc: stable <stable@vger.kernel.org>
Signed-off-by: Peng Tao <tao.peng@emc.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
fs/nfs/blocklayout/blocklayout.c diff | blob | history
fs/nfs/blocklayout/blocklayout.h diff | blob | history
Beck SC1x5 Kernel