diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2013-03-27 14:02:27 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2013-03-27 14:02:27 +0100 |
| commit | b3fecf8cab6441527ab057c99d7e6a6d7f6713e5 (patch) | |
| tree | d327499840a25fbd1f81e49d5cb6769bdad382f5 /fs/nfsd/cache.h | |
| parent | 5b62efd8250d6a751c31d1972e96bfccd19c4679 (diff) | |
| parent | 83a44ac8bf4a8e6cbbf0c00ff281a482778f708a (diff) | |
Merge branch 'for-3.10/hid-driver-transport-cleanups' into for-3.10/mt-hybrid-finger-pen
Diffstat (limited to 'fs/nfsd/cache.h')
| -rw-r--r-- | fs/nfsd/cache.h | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/fs/nfsd/cache.h b/fs/nfsd/cache.h index 93cc9d34c459..87fd1410b737 100644 --- a/fs/nfsd/cache.h +++ b/fs/nfsd/cache.h @@ -12,6 +12,10 @@ /* * Representation of a reply cache entry. + * + * Note that we use a sockaddr_in6 to hold the address instead of the more + * typical sockaddr_storage. This is for space reasons, since sockaddr_storage + * is much larger than a sockaddr_in6. */ struct svc_cacherep { struct hlist_node c_hash; @@ -20,11 +24,13 @@ struct svc_cacherep { unsigned char c_state, /* unused, inprog, done */ c_type, /* status, buffer */ c_secure : 1; /* req came from port < 1024 */ - struct sockaddr_in c_addr; + struct sockaddr_in6 c_addr; __be32 c_xid; u32 c_prot; u32 c_proc; u32 c_vers; + unsigned int c_len; + __wsum c_csum; unsigned long c_timestamp; union { struct kvec u_vec; @@ -46,8 +52,7 @@ enum { enum { RC_DROPIT, RC_REPLY, - RC_DOIT, - RC_INTR + RC_DOIT }; /* @@ -67,6 +72,12 @@ enum { */ #define RC_DELAY (HZ/5) +/* Cache entries expire after this time period */ +#define RC_EXPIRE (120 * HZ) + +/* Checksum this amount of the request */ +#define RC_CSUMLEN (256U) + int nfsd_reply_cache_init(void); void nfsd_reply_cache_shutdown(void); int nfsd_cache_lookup(struct svc_rqst *); |