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| author | Chuck Lever <chuck.lever@oracle.com> | 2009-04-23 23:32:18 (GMT) |
|---|---|---|
| committer | J. Bruce Fields <bfields@citi.umich.edu> | 2009-04-28 17:54:28 (GMT) |
| commit | ea068bad27cefc71ab03230dbf01a8f8d98da5ba (patch) | |
| tree | e36b3c23598de4233ffae06fa556504082bd20eb /fs | |
| parent | 0a5372d8a13c3f670bf7c9c4a68ab04c3664fa28 (diff) | |
| download | linux-ea068bad27cefc71ab03230dbf01a8f8d98da5ba.tar.xz | |
NFSD: move lockd_up() before svc_addsock()
Clean up.
A couple of years ago, a series of commits, finishing with commit
5680c446, swapped the order of the lockd_up() and svc_addsock() calls
in __write_ports(). At that time lockd_up() needed to know the
transport protocol of the passed-in socket to start a listener on the
same transport protocol.
These days, lockd_up() doesn't take a protocol argument; it always
starts both a UDP and TCP listener. It's now more straightforward to
try the lockd_up() first, then do a lockd_down() if the svc_addsock()
fails.
Careful review of this code shows that the svc_sock_names() call is
used only to close the just-opened socket in case lockd_up() fails.
So it is no longer needed if lockd_up() is done first.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nfsd/nfsctl.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index caf4fdc..e051847 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -939,17 +939,18 @@ static ssize_t __write_ports_addfd(char *buf) if (err != 0) return err; - err = svc_addsock(nfsd_serv, fd, buf); - if (err >= 0) { - err = lockd_up(); - if (err < 0) - svc_sock_names(buf + strlen(buf) + 1, nfsd_serv, buf); + err = lockd_up(); + if (err != 0) + goto out; - /* Decrease the count, but don't shut down the service */ - nfsd_serv->sv_nrthreads--; - } + err = svc_addsock(nfsd_serv, fd, buf); + if (err < 0) + lockd_down(); - return err < 0 ? err : 0; +out: + /* Decrease the count, but don't shut down the service */ + nfsd_serv->sv_nrthreads--; + return err; } /* |