diff options
| author | Thordur I. Bjornsson <thib@cvs.openbsd.org> | 2006-09-20 21:56:22 +0000 |
|---|---|---|
| committer | Thordur I. Bjornsson <thib@cvs.openbsd.org> | 2006-09-20 21:56:22 +0000 |
| commit | 901d27dd839579369a4332191e3bf97b22732ff5 (patch) | |
| tree | 1e0d023f6fdf980bca22b1e38c0a9e401fa4c0c1 /sys/nfs | |
| parent | 8d6561e1c3895a7f1885a1af2219f61c6d54308e (diff) | |
Fix the way delays between request retransmissions are calculated
in the case where NFSERR_TRYLATER is received from the server.
Adapted from NetBSD.
ok pedro@, tedu@
Diffstat (limited to 'sys/nfs')
| -rw-r--r-- | sys/nfs/nfs.h | 3 | ||||
| -rw-r--r-- | sys/nfs/nfs_socket.c | 13 |
2 files changed, 10 insertions, 6 deletions
diff --git a/sys/nfs/nfs.h b/sys/nfs/nfs.h index 67ade9fc871..e5b8ed9de94 100644 --- a/sys/nfs/nfs.h +++ b/sys/nfs/nfs.h @@ -1,4 +1,4 @@ -/* $OpenBSD: nfs.h,v 1.26 2006/05/29 16:49:42 avsm Exp $ */ +/* $OpenBSD: nfs.h,v 1.27 2006/09/20 21:56:21 thib Exp $ */ /* $NetBSD: nfs.h,v 1.10.4.1 1996/05/27 11:23:56 fvdl Exp $ */ /* @@ -49,6 +49,7 @@ #define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */ #define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */ #define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/ +#define NFS_TIMEOUTMUL 2 /* Timeout/Delay multiplier */ #define NFS_MAXREXMIT 100 /* Stop counting after this many */ #define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */ #define NFS_RETRANS 10 /* Num of retrans for soft mounts */ diff --git a/sys/nfs/nfs_socket.c b/sys/nfs/nfs_socket.c index 74b88487179..cb0416b45d8 100644 --- a/sys/nfs/nfs_socket.c +++ b/sys/nfs/nfs_socket.c @@ -1,4 +1,4 @@ -/* $OpenBSD: nfs_socket.c,v 1.44 2006/08/04 12:35:57 pedro Exp $ */ +/* $OpenBSD: nfs_socket.c,v 1.45 2006/09/20 21:56:21 thib Exp $ */ /* $NetBSD: nfs_socket.c,v 1.27 1996/04/15 20:20:00 thorpej Exp $ */ /* @@ -843,12 +843,14 @@ nfs_request(vp, mrest, procnum, procp, cred, mrp, mdp, dposp) time_t reqtime, waituntil; caddr_t dpos, cp2; int t1, s, error = 0, mrest_len, auth_len, auth_type; - int trylater_delay = 15, trylater_cnt = 0, failed_auth = 0; + int trylater_delay, failed_auth = 0; int verf_len, verf_type; u_int32_t xid; char *auth_str, *verf_str; NFSKERBKEY_T key; /* save session key */ + trylater_delay = NFS_MINTIMEO; + nmp = VFSTONFS(vp->v_mount); rep = pool_get(&nfsreqpl, PR_WAITOK); rep->r_nmp = nmp; @@ -1043,9 +1045,10 @@ tryagain: while (time_second < waituntil) (void) tsleep((caddr_t)&lbolt, PSOCK, "nqnfstry", 0); - trylater_delay *= nfs_backoff[trylater_cnt]; - if (trylater_cnt < 7) - trylater_cnt++; + trylater_delay *= NFS_TIMEOUTMUL; + if (trylater_delay > NFS_MAXTIMEO) + trylater_delay = NFS_MAXTIMEO; + goto tryagain; } |