NFS: Ensure we always dereference the page head last

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This fixes a race with nfs_page_group_sync_on_bit() whereby the
call to wake_up_bit() in nfs_page_group_unlock() could occur after
the page header had been freed.

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

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This commit is contained in:

Trond Myklebust 2017-07-18 19:31:10 -04:00

parent 1403390d83

commit 08fead2ae5

1 changed files with 6 additions and 5 deletions

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11

fs/nfs/pagelist.c

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