NFSv4: Ensure that file unlock requests don't conflict with state recovery

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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>

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This commit is contained in:

Trond Myklebust 2008-12-23 15:21:44 -05:00

parent 65de872ed6

commit 19e03c570e

2 changed files with 20 additions and 10 deletions

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26

fs/nfs/nfs4proc.c

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4

fs/nfs/nfs4state.c

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