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(parent: fdae5bd) | patch
pNFS/flexfiles: Fix list corruption if the mirror count changes
authorTrond Myklebust <trond.myklebust@hammerspace.com>
Mon, 22 Jun 2020 19:04:15 +0000 (15:04 -0400)
committerAnna Schumaker <Anna.Schumaker@Netapp.com>
Fri, 26 Jun 2020 12:43:14 +0000 (08:43 -0400)
commitce6a4d760e8be8c2f6fd87a470601e4fad0bd536
treefb3d56115d425196bd699a9e9516cde8ad956f3atree | snapshot
parentfdae5bdf03416cfe3892ce6bcb71248608b6189fcommit | diff
pNFS/flexfiles: Fix list corruption if the mirror count changes

If the mirror count changes in the new layout we pick up inside
ff_layout_pg_init_write(), then we can end up adding the
request to the wrong mirror and corrupting the mirror->pg_list.

Fixes: df5de871ea1d ("NFS41: pop some layoutget errors to application")
Cc: stable@vger.kernel.org
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
fs/nfs/flexfilelayout/flexfilelayout.c diff | blob | history
Linux Kernel Source Tree.