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authorTrond Myklebust <Trond.Myklebust@netapp.com>2006-01-03 09:55:57 +0100
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-01-06 14:58:58 -0500
commit58df095b732529ade8f4051b41d7c29731afecd6 (patch)
tree917819b96bac91e5daea7a31eb6eba66268952d9 /include
parent0065db328533c390fbfb0fe0c46bcf9a278fb99e (diff)
NFSv4: Allow entries in the idmap cache to expire
If someone changes the uid/gid mapping in userland, then we do eventually want those changes to be propagated to the kernel. Currently the kernel assumes that it may cache entries forever. Add an expiration time + garbage collector for idmap entries. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/nfs_idmap.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/nfs_idmap.h b/include/linux/nfs_idmap.h
index a0f1f25e0ea..102e5609429 100644
--- a/include/linux/nfs_idmap.h
+++ b/include/linux/nfs_idmap.h
@@ -71,6 +71,8 @@ int nfs_map_name_to_uid(struct nfs4_client *, const char *, size_t, __u32 *);
int nfs_map_group_to_gid(struct nfs4_client *, const char *, size_t, __u32 *);
int nfs_map_uid_to_name(struct nfs4_client *, __u32, char *);
int nfs_map_gid_to_group(struct nfs4_client *, __u32, char *);
+
+extern unsigned int nfs_idmap_cache_timeout;
#endif /* __KERNEL__ */
#endif /* NFS_IDMAP_H */