> Some of this series didn't apply, due to merge issues with 4.6-rc3. Can > you rebase and resend the remaining patches? This patch conflicts with a patch landed from Oleg which is a better solution for this bug. We can drop this patch. > > thanks, > > greg k-h > > On Mon, Apr 04, 2016 at 09:37:03PM -0400, James Simmons wrote: > > When Lustre is in a read or write system call and receives a > > SIGALRM, it will return EINTR if interrupted in osc_enter_cache. > > This prevents the system call from being restarted if > > SA_RESTART is set in the handler. > > > > This patch changes behavior in this location to return ERESTARTSYS > > when a signal arrives during the call to l_wait_event. > > > > Signed-off-by: Patrick Farrell <paf@xxxxxxxx> > > Signed-off-by: James Simmons <uja.ornl@xxxxxxxxx> > > ntel-bug-id: https://jira.hpdd.intel.com/browse/LU-3581 > > Reviewed-on: http://review.whamcloud.com/7002 > > Reviewed-by: Rahul Deshmukh <rahul_deshmukh@xxxxxxxxxxx> > > Reviewed-by: Cory Spitz <spitzcor@xxxxxxxx> > > Reviewed-by: Andreas Dilger <andreas.dilger@xxxxxxxxx> > > Signed-off-by: James Simmons <jsimmons@xxxxxxxxxxxxx> > > --- > > drivers/staging/lustre/lustre/osc/osc_cache.c | 13 ++++++++++++- > > 1 files changed, 12 insertions(+), 1 deletions(-) > > > > diff --git a/drivers/staging/lustre/lustre/osc/osc_cache.c b/drivers/staging/lustre/lustre/osc/osc_cache.c > > index f09b89d..956d57b 100644 > > --- a/drivers/staging/lustre/lustre/osc/osc_cache.c > > +++ b/drivers/staging/lustre/lustre/osc/osc_cache.c > > @@ -1626,11 +1626,22 @@ static int osc_enter_cache(const struct lu_env *env, struct client_obd *cli, > > > > /* l_wait_event is interrupted by signal, or timed out */ > > if (rc < 0) { > > - if (rc == -ETIMEDOUT) { > > + switch (rc) { > > + case -ETIMEDOUT: > > OSC_DUMP_GRANT(D_ERROR, cli, > > "try to reserve %d.\n", bytes); > > osc_extent_tree_dump(D_ERROR, osc); > > rc = -EDQUOT; > > + break; > > + case -EINTR: > > + /* Ensures restartability - LU-3581 */ > > + rc = -ERESTARTSYS; > > + break; > > + default: > > + CDEBUG(D_CACHE, "%s: event for cache space @ %p never arrived due to %d\n", > > + cli->cl_import->imp_obd->obd_name, > > + &ocw, rc); > > + break; > > } > > list_del_init(&ocw.ocw_entry); > > goto out; > > -- > > 1.7.1 > _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
