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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-08-14 23:58:28 +0200 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-08-22 14:58:27 +0200 |
| commit | 2f92ae343e2358a4936c2470debfc4424b29eb3e (patch) | |
| tree | 4b26d5165fdaea44f009c8544d54330a31c5ce8a /fs/nfs/nfs4session.h | |
| parent | NFSv4.1: Add tracepoints for debugging layoutget/return/commit (diff) | |
| download | linux-2f92ae343e2358a4936c2470debfc4424b29eb3e.tar.xz linux-2f92ae343e2358a4936c2470debfc4424b29eb3e.zip | |
NFSv4.1: Add tracepoints for debugging slot table operations
Add tracepoints to nfs41_setup_sequence and nfs41_sequence_done
to track session and slot table state changes.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4session.h')
| -rw-r--r-- | fs/nfs/nfs4session.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/nfs/nfs4session.h b/fs/nfs/nfs4session.h index 86a066926f24..e3e6ce357f69 100644 --- a/fs/nfs/nfs4session.h +++ b/fs/nfs/nfs4session.h @@ -117,6 +117,16 @@ static inline int nfs4_has_persistent_session(const struct nfs_client *clp) return 0; } +#ifdef CONFIG_CRC32 +/* + * nfs_session_id_hash - calculate the crc32 hash for the session id + * @session - pointer to session + */ +#define nfs_session_id_hash(sess_id) \ + (~crc32_le(0xFFFFFFFF, &(sess_id)->data[0], sizeof((sess_id)->data))) +#else +#define nfs_session_id_hash(session) (0) +#endif #else /* defined(CONFIG_NFS_V4_1) */ static inline int nfs4_init_session(struct nfs_client *clp) |