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(parent: 65de872) | patch
NFSv4: Ensure that file unlock requests don't conflict with state recovery
authorTrond Myklebust <Trond.Myklebust@netapp.com>
Tue, 23 Dec 2008 20:21:44 +0000 (15:21 -0500)
committerTrond Myklebust <Trond.Myklebust@netapp.com>
Tue, 23 Dec 2008 20:21:44 +0000 (15:21 -0500)
commit19e03c570e6099ffaf24e5628d4fe1a8acbe820d
tree6e7eb831bbfe732044105f7f7a477fda5e912b6ctree | snapshot
parent65de872ed6501a68e918a49a5c2fa7fca9c6ce21commit | diff
NFSv4: Ensure that file unlock requests don't conflict with state recovery

The unlock path is currently failing to take the nfs_client->cl_sem read
lock, and hence the recovery path may see locks disappear from underneath
it.
Also ensure that it takes the nfs_inode->rwsem read lock so that it there
is no conflict with delegation recalls.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
fs/nfs/nfs4proc.c diff | blob | history
fs/nfs/nfs4state.c diff | blob | history
Full containers within linux kernel