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NFSv4: Recover locks too when returning a delegation

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Delegations allow us to cache posix and BSD locks, however when the
 delegation is recalled, we need to "flush the cache" and send
 the cached LOCK requests to the server.

 This patch sets up the mechanism for doing so.

 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
2005-11-04 15:38:11 -05:00
parent 43b2a33aa8
commit 888e694c16
3 changed files with 55 additions and 2 deletions
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fs/nfs/delegation.h
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@@ -38,6 +38,7 @@ void nfs_delegation_reap_unclaimed(struct nfs4_client *clp);
/* NFSv4 delegation-related procedures */
int nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, const nfs4_stateid *stateid);
int nfs4_open_delegation_recall(struct dentry *dentry, struct nfs4_state *state);
int nfs4_lock_delegation_recall(struct nfs4_state *state, struct file_lock *fl);
static inline int nfs_have_delegation(struct inode *inode, int flags)
{