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[SCSI] bfa: dis-associate bfa path_tov with dev_loss_tmo 

Disassoicate path_tov in the driver with the dev_loss_tmo set by the
application.

Signed-off-by: Vijaya Mohan Guvva <vmohan@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
wifi-calibration
Vijaya Mohan Guvva 2013-05-13 02:33:34 -07:00 committed by James Bottomley
parent f9c867b45c
commit 4dde506944
1 changed files with 7 additions and 26 deletions
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33
drivers/scsi/bfa/bfad_attr.c
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@ -334,24 +334,11 @@ bfad_im_reset_stats(struct Scsi_Host *shost)
return;
}
/*
* FC transport template entry, get rport loss timeout.
*/
static void
bfad_im_get_rport_loss_tmo(struct fc_rport *rport)
{
struct bfad_itnim_data_s *itnim_data = rport->dd_data;
struct bfad_itnim_s *itnim = itnim_data->itnim;
struct bfad_s *bfad = itnim->im->bfad;
unsigned long flags;
spin_lock_irqsave(&bfad->bfad_lock, flags);
rport->dev_loss_tmo = bfa_fcpim_path_tov_get(&bfad->bfa);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
}
/*
* FC transport template entry, set rport loss timeout.
* Update dev_loss_tmo based on the value pushed down by the stack
* In case it is lesser than path_tov of driver, set it to path_tov + 1
* to ensure that the driver times out before the application
*/
static void
bfad_im_set_rport_loss_tmo(struct fc_rport *rport, u32 timeout)
@ -359,15 +346,11 @@ bfad_im_set_rport_loss_tmo(struct fc_rport *rport, u32 timeout)
struct bfad_itnim_data_s *itnim_data = rport->dd_data;
struct bfad_itnim_s *itnim = itnim_data->itnim;
struct bfad_s *bfad = itnim->im->bfad;
unsigned long flags;
if (timeout > 0) {
spin_lock_irqsave(&bfad->bfad_lock, flags);
bfa_fcpim_path_tov_set(&bfad->bfa, timeout);
rport->dev_loss_tmo = bfa_fcpim_path_tov_get(&bfad->bfa);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
}
uint16_t path_tov = bfa_fcpim_path_tov_get(&bfad->bfa);
rport->dev_loss_tmo = timeout;
if (timeout < path_tov)
rport->dev_loss_tmo = path_tov + 1;
}
static int
@ -665,7 +648,6 @@ struct fc_function_template bfad_im_fc_function_template = {
.show_rport_maxframe_size = 1,
.show_rport_supported_classes = 1,
.show_rport_dev_loss_tmo = 1,
.get_rport_dev_loss_tmo = bfad_im_get_rport_loss_tmo,
.set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo,
.issue_fc_host_lip = bfad_im_issue_fc_host_lip,
.vport_create = bfad_im_vport_create,
@ -723,7 +705,6 @@ struct fc_function_template bfad_im_vport_fc_function_template = {
.show_rport_maxframe_size = 1,
.show_rport_supported_classes = 1,
.show_rport_dev_loss_tmo = 1,
.get_rport_dev_loss_tmo = bfad_im_get_rport_loss_tmo,
.set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo,
};