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nfsd: clean up comments over nfs4_file definition

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They're a bit outdated wrt to some recent changes.

Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Jeff Layton 2014-10-16 08:49:37 -04:00 committed by J. Bruce Fields
parent b0d2e42cce
commit ccc6398ea5
1 changed files with 9 additions and 5 deletions
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14
fs/nfsd/state.h
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@ -463,15 +463,19 @@ static inline struct nfs4_lockowner * lockowner(struct nfs4_stateowner *so)
/*
* nfs4_file: a file opened by some number of (open) nfs4_stateowners.
*
* These objects are global. nfsd only keeps one instance of a nfs4_file per
* inode (though it may keep multiple file descriptors open per inode). These
* are tracked in the file_hashtbl which is protected by the state_lock
* spinlock.
* These objects are global. nfsd keeps one instance of a nfs4_file per
* filehandle (though it may keep multiple file descriptors for each). Each
* inode can have multiple filehandles associated with it, so there is
* (potentially) a many to one relationship between this struct and struct
* inode.
*
* These are hashed by filehandle in the file_hashtbl, which is protected by
* the global state_lock spinlock.
*/
struct nfs4_file {
atomic_t fi_ref;
spinlock_t fi_lock;
struct hlist_node fi_hash; /* hash by "struct inode *" */
struct hlist_node fi_hash; /* hash on fi_fhandle */
struct list_head fi_stateids;
struct list_head fi_delegations;
/* One each for O_RDONLY, O_WRONLY, O_RDWR: */