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| author |   Nicholas Bellinger <nab@daterainc.com> | 2013-08-17 14:27:56 -0700 |
|---|---|---|
| committer |   Nicholas Bellinger <nab@linux-iscsi.org> | 2013-09-09 14:29:21 -0700 |
| commit | d703ce2f7f4de20c03d71c22a9d5e3708798047b (patch) | |
| tree | f06be5be02dc43ae0a7c34eacd986238005a003b /include/target | |
| parent | vhost/scsi: Add pre-allocation for tv_cmd SGL + upages memory (diff) | |
| download | linux-dev-d703ce2f7f4de20c03d71c22a9d5e3708798047b.tar.xz linux-dev-d703ce2f7f4de20c03d71c22a9d5e3708798047b.zip | |
iscsi/iser-target: Convert to command priv_size usage
This command converts iscsi/isert-target to use allocations based on
iscsit_transport->priv_size within iscsit_allocate_cmd(), instead of
using an embedded isert_cmd->iscsi_cmd.
This includes removing iscsit_transport->alloc_cmd() usage, along
with updating isert-target code to use iscsit_priv_cmd().
Also, remove left-over iscsit_transport->release_cmd() usage for
direct calls to iscsit_release_cmd(), and drop the now unused
lio_cmd_cache and isert_cmd_cache.
Cc: Or Gerlitz <ogerlitz@mellanox.com>
Cc: Kent Overstreet <kmo@daterainc.com>
Signed-off-by: Nicholas Bellinger <nab@daterainc.com>
Diffstat (limited to 'include/target')
| -rw-r--r-- | include/target/iscsi/iscsi_transport.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/target/iscsi/iscsi_transport.h b/include/target/iscsi/iscsi_transport.h index e5d09d242ba3..a12589c4ee92 100644 --- a/include/target/iscsi/iscsi_transport.h +++ b/include/target/iscsi/iscsi_transport.h @@ -6,13 +6,13 @@ struct iscsit_transport { #define ISCSIT_TRANSPORT_NAME 16 char name[ISCSIT_TRANSPORT_NAME]; int transport_type; + int priv_size; struct module *owner; struct list_head t_node; int (*iscsit_setup_np)(struct iscsi_np *, struct __kernel_sockaddr_storage *); int (*iscsit_accept_np)(struct iscsi_np *, struct iscsi_conn *); void (*iscsit_free_np)(struct iscsi_np *); void (*iscsit_free_conn)(struct iscsi_conn *); - struct iscsi_cmd *(*iscsit_alloc_cmd)(struct iscsi_conn *, gfp_t); int (*iscsit_get_login_rx)(struct iscsi_conn *, struct iscsi_login *); int (*iscsit_put_login_tx)(struct iscsi_conn *, struct iscsi_login *, u32); int (*iscsit_immediate_queue)(struct iscsi_conn *, struct iscsi_cmd *, int); @@ -22,6 +22,11 @@ struct iscsit_transport { int (*iscsit_queue_status)(struct iscsi_conn *, struct iscsi_cmd *); }; +static inline void *iscsit_priv_cmd(struct iscsi_cmd *cmd) +{ + return (void *)(cmd + 1); +} + /* * From iscsi_target_transport.c */ @@ -92,3 +97,4 @@ extern int iscsit_tmr_post_handler(struct iscsi_cmd *, struct iscsi_conn *); extern struct iscsi_cmd *iscsit_allocate_cmd(struct iscsi_conn *, gfp_t); extern int iscsit_sequence_cmd(struct iscsi_conn *, struct iscsi_cmd *, unsigned char *, __be32); +extern void iscsit_release_cmd(struct iscsi_cmd *); |