On Fri, 2013-03-08 at 22:29 +0800, Asias He wrote:
> On Fri, Mar 8, 2013 at 9:45 AM, Nicholas A. Bellinger
> <nab@xxxxxxxxxxxxxxx> wrote:
> > From: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
> >
> > This patch converts struct iscsi_cmd memory allocation + free to use
> > ->iscsit_alloc_cmd() + ->iscsit_free_cmd() iscsit_transport API caller,
> > and export iscsit_allocate_cmd() + iscsit_free_cmd() symbols
> >
> > Also update iscsit_free_cmd() to include a final ->iscsit_unmap_cmd()
> > API call.
> >
> > Signed-off-by: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
> > ---
> > drivers/target/iscsi/iscsi_target.c | 2 +
> > drivers/target/iscsi/iscsi_target_util.c | 34 ++++++++++++++++++++++++++---
> > drivers/target/iscsi/iscsi_target_util.h | 2 +
> > 3 files changed, 34 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
> > index 4dc1c9b..9cd7b7b 100644
> > --- a/drivers/target/iscsi/iscsi_target.c
> > +++ b/drivers/target/iscsi/iscsi_target.c
> > @@ -488,6 +488,8 @@ static struct iscsit_transport iscsi_target_transport = {
> > .iscsit_setup_np = iscsit_setup_np,
> > .iscsit_accept_np = iscsit_accept_np,
> > .iscsit_free_np = iscsit_free_np,
> > + .iscsit_alloc_cmd = iscsit_alloc_cmd,
> > + .iscsit_free_cmd = iscsit_cache_free_cmd,
> > .iscsit_get_login_rx = iscsit_get_login_rx,
> > .iscsit_put_login_tx = iscsit_put_login_tx,
> > };
> > diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c
> > index 4cf1e7f..4a86034 100644
> > --- a/drivers/target/iscsi/iscsi_target_util.c
> > +++ b/drivers/target/iscsi/iscsi_target_util.c
> > @@ -149,6 +149,17 @@ void iscsit_free_r2ts_from_list(struct iscsi_cmd *cmd)
> > spin_unlock_bh(&cmd->r2t_lock);
> > }
> >
> > +struct iscsi_cmd *iscsit_alloc_cmd(struct iscsi_conn *conn, gfp_t gfp_mask)
> > +{
> > + struct iscsi_cmd *cmd;
> > +
> > + cmd = kmem_cache_zalloc(lio_cmd_cache, gfp_mask);
> > + if (!cmd)
> > + return NULL;
>
> Is this check necessary?
>
Nope, dropping this now.
Thanks for reviewing!
--nab
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