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author | Jeff Layton <jlayton@redhat.com> | 2008-06-10 12:40:37 (GMT) |
---|---|---|
committer | J. Bruce Fields <bfields@citi.umich.edu> | 2008-06-23 17:02:49 (GMT) |
commit | e096bbc6488d3e49d476bf986d33752709361277 (patch) | |
tree | 2fa5e0367c84eac07c70c1a68243a688fca2d6e2 /fs/nfsd/nfssvc.c | |
parent | 3dd98a3bccb1bdd30b8a4a755e7bead1b64160ec (diff) | |
download | linux-fsl-qoriq-e096bbc6488d3e49d476bf986d33752709361277.tar.xz |
knfsd: remove special handling for SIGHUP
The special handling for SIGHUP in knfsd is a holdover from much
earlier versions of Linux where reloading the export table was
more expensive. That facility is not really needed anymore and
to my knowledge, is seldom-used.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'fs/nfsd/nfssvc.c')
-rw-r--r-- | fs/nfsd/nfssvc.c | 33 |
1 files changed, 8 insertions, 25 deletions
diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index 929af23..6339cb7 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -44,11 +44,6 @@ * when not handling a request. i.e. when waiting */ #define SHUTDOWN_SIGS (sigmask(SIGKILL) | sigmask(SIGHUP) | sigmask(SIGINT) | sigmask(SIGQUIT)) -/* if the last thread dies with SIGHUP, then the exports table is - * left unchanged ( like 2.4-{0-9} ). Any other signal will clear - * the exports table (like 2.2). - */ -#define SIG_NOCLEAN SIGHUP extern struct svc_program nfsd_program; static void nfsd(struct svc_rqst *rqstp); @@ -175,7 +170,6 @@ int nfsd_nrthreads(void) return nfsd_serv->sv_nrthreads; } -static int killsig; /* signal that was used to kill last nfsd */ static void nfsd_last_thread(struct svc_serv *serv) { /* When last nfsd thread exits we need to do some clean-up */ @@ -186,11 +180,9 @@ static void nfsd_last_thread(struct svc_serv *serv) nfsd_racache_shutdown(); nfs4_state_shutdown(); - printk(KERN_WARNING "nfsd: last server has exited\n"); - if (killsig != SIG_NOCLEAN) { - printk(KERN_WARNING "nfsd: unexporting all filesystems\n"); - nfsd_export_flush(); - } + printk(KERN_WARNING "nfsd: last server has exited, flushing export " + "cache\n"); + nfsd_export_flush(); } void nfsd_reset_versions(void) @@ -242,10 +234,9 @@ int nfsd_create_serv(void) } atomic_set(&nfsd_busy, 0); - nfsd_serv = svc_create_pooled(&nfsd_program, - nfsd_max_blksize, - nfsd_last_thread, - nfsd, SIG_NOCLEAN, THIS_MODULE); + nfsd_serv = svc_create_pooled(&nfsd_program, nfsd_max_blksize, + nfsd_last_thread, nfsd, SIGINT, + THIS_MODULE); if (nfsd_serv == NULL) err = -ENOMEM; @@ -490,17 +481,9 @@ nfsd(struct svc_rqst *rqstp) atomic_dec(&nfsd_busy); } - if (err != -EINTR) { + if (err != -EINTR) printk(KERN_WARNING "nfsd: terminating on error %d\n", -err); - } else { - unsigned int signo; - - for (signo = 1; signo <= _NSIG; signo++) - if (sigismember(¤t->pending.signal, signo) && - !sigismember(¤t->blocked, signo)) - break; - killsig = signo; - } + /* Clear signals before calling svc_exit_thread() */ flush_signals(current); |