NFS: do_setlk(): don't flush caches when we have a delegation
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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@ -602,7 +602,8 @@ static int do_setlk(struct file *filp, int cmd, struct file_lock *fl)
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* This makes locking act as a cache coherency point.
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*/
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nfs_sync_mapping(filp->f_mapping);
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nfs_zap_caches(inode);
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if (!nfs_have_delegation(inode, FMODE_READ))
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nfs_zap_caches(inode);
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out:
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return status;
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}
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