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NFS: Add an nfsiod workqueue

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NFS post-rpciod cleanups often involve tasks that cannot be safely
performed within the rpciod context (due to deadlock concerns). We
therefore add a dedicated NFS workqueue that can perform tasks like
cleaning up state after an interrupted NFSv4 open() call, or calling
put_nfs_open_context() after an asynchronous read or write call.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
2008-02-19 20:04:22 -05:00
parent 32bfb5c0f4
commit 5746006f1d
2 changed files with 38 additions and 0 deletions
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fs/nfs/internal.h
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@@ -143,6 +143,7 @@ extern struct rpc_procinfo nfs4_procedures[];
extern int nfs_access_cache_shrinker(int nr_to_scan, gfp_t gfp_mask);
/* inode.c */
extern struct workqueue_struct *nfsiod_workqueue;
extern struct inode *nfs_alloc_inode(struct super_block *sb);
extern void nfs_destroy_inode(struct inode *);
extern int nfs_write_inode(struct inode *,int);