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NFS: create struct nfs_commit_info

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It is COMMIT that is handled the most differently between
the paged and direct paths.  Create a structure that encapsulates
everything either path needs to know about the commit state.

We could use void to hide some of the layout driver stuff, but
Trond suggests pulling it out to ensure type checking, given the
huge changes being made, and the fact that it doesn't interfere
with other drivers.

Signed-off-by: Fred Isaman <iisaman@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Fred Isaman
2012-04-20 14:47:53 -04:00
committed by Trond Myklebust
parent 84c53ab5c0
commit ea2cf2282b
8 changed files with 248 additions and 165 deletions
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6
fs/nfs/inode.c
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@@ -1547,7 +1547,7 @@ static inline void nfs4_init_once(struct nfs_inode *nfsi)
nfsi->delegation_state = 0;
init_rwsem(&nfsi->rwsem);
nfsi->layout = NULL;
atomic_set(&nfsi->commits_outstanding, 0);
atomic_set(&nfsi->commit_info.rpcs_out, 0);
#endif
}
@@ -1559,9 +1559,9 @@ static void init_once(void *foo)
INIT_LIST_HEAD(&nfsi->open_files);
INIT_LIST_HEAD(&nfsi->access_cache_entry_lru);
INIT_LIST_HEAD(&nfsi->access_cache_inode_lru);
INIT_LIST_HEAD(&nfsi->commit_list);
INIT_LIST_HEAD(&nfsi->commit_info.list);
nfsi->npages = 0;
nfsi->ncommit = 0;
nfsi->commit_info.ncommit = 0;
atomic_set(&nfsi->silly_count, 1);
INIT_HLIST_HEAD(&nfsi->silly_list);
init_waitqueue_head(&nfsi->waitqueue);