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| author | Scott Mayhew <smayhew@redhat.com> | 2015-12-11 16:45:58 -0500 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2015-12-23 10:08:15 -0500 |
| commit | c3d4879e01bec484f50a78c108341f039d470e96 (patch) | |
| tree | 5c879cdf84dc41569ec890574e5f07476c892705 /include/linux/sunrpc | |
| parent | d4f72cb7fa4a3705f6675f2740f9713dc3400dd3 (diff) | |
| download | linux-c3d4879e01bec484f50a78c108341f039d470e96.tar.gz linux-c3d4879e01bec484f50a78c108341f039d470e96.tar.bz2 linux-c3d4879e01bec484f50a78c108341f039d470e96.zip | |
sunrpc: Add a function to close temporary transports immediately
Add a function svc_age_temp_xprts_now() to close temporary transports
whose xpt_local matches the address passed in server_addr immediately
instead of waiting for them to be closed by the timer function.
The function is intended to be used by notifier_blocks that will be
added to nfsd and lockd that will run when an ip address is deleted.
This will eliminate the ACK storms and client hangs that occur in
HA-NFS configurations where nfsd & lockd is left running on the cluster
nodes all the time and the NFS 'service' is migrated back and forth
within a short timeframe.
Signed-off-by: Scott Mayhew <smayhew@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'include/linux/sunrpc')
| -rw-r--r-- | include/linux/sunrpc/svc_xprt.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/sunrpc/svc_xprt.h b/include/linux/sunrpc/svc_xprt.h index 78512cfe1fe6..b7dabc4baafd 100644 --- a/include/linux/sunrpc/svc_xprt.h +++ b/include/linux/sunrpc/svc_xprt.h @@ -128,6 +128,7 @@ struct svc_xprt *svc_find_xprt(struct svc_serv *serv, const char *xcl_name, const unsigned short port); int svc_xprt_names(struct svc_serv *serv, char *buf, const int buflen); void svc_add_new_perm_xprt(struct svc_serv *serv, struct svc_xprt *xprt); +void svc_age_temp_xprts_now(struct svc_serv *, struct sockaddr *); static inline void svc_xprt_get(struct svc_xprt *xprt) { |