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(parent: a5a3a3a) | patch
pNFS: Fix potential corruption of page being written
authorKazuo Ito <ito_kazuo_g3@lab.ntt.co.jp>
Thu, 14 Feb 2019 09:36:58 +0000 (18:36 +0900)
committerTrond Myklebust <trond.myklebust@hammerspace.com>
Wed, 20 Feb 2019 22:33:55 +0000 (17:33 -0500)
commitf9285212966772f36dfd4ba4a8753db64475320d
tree85286f5e9682492ed23368211ee078b17c40fac5tree | snapshot
parenta5a3a3afd6af01c19112ebbbd3565ad896692489commit | diff
pNFS: Fix potential corruption of page being written

nfs_want_read_modify_write() didn't check for !PagePrivate when pNFS
block or SCSI layout was in use, therefore we could lose data forever
if the page being written was filled by a read before completion.

Signed-off-by: Kazuo Ito <ito_kazuo_g3@lab.ntt.co.jp>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
fs/nfs/file.c diff | blob | history
Linux Kernel Source Tree.