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| author | Jörn Engel <joern@logfs.org> | 2011-11-24 02:05:12 +0100 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2011-12-14 11:27:55 +0000 |
| commit | feae85644f1460b3373ef5141183ee43e6191b58 (patch) | |
| tree | e7f8dc735f0c1ca4d5cb4b6ede6f0a956a0708a1 | |
| parent | c165f69c2ccbbb4ecf16c5d29d65922286bf62ff (diff) | |
| download | blackbird-op-linux-feae85644f1460b3373ef5141183ee43e6191b58.tar.gz blackbird-op-linux-feae85644f1460b3373ef5141183ee43e6191b58.zip | |
target: simplify target_check_cdb_and_preempt
- rename to target_check_cdb_and_preempt
- use non-safe list_for_each_entry
- move common check into callee (simplifying callers)
Signed-off-by: Joern Engel <joern@logfs.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
| -rw-r--r-- | drivers/target/target_core_tmr.c | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c index 22cefeb544bd..dcb0618c9388 100644 --- a/drivers/target/target_core_tmr.c +++ b/drivers/target/target_core_tmr.c @@ -100,15 +100,15 @@ static void core_tmr_handle_tas_abort( transport_cmd_finish_abort(cmd, 0); } -static int core_scsi3_check_cdb_abort_and_preempt( - struct list_head *preempt_and_abort_list, - struct se_cmd *cmd) +static int target_check_cdb_and_preempt(struct list_head *list, + struct se_cmd *cmd) { - struct t10_pr_registration *pr_reg, *pr_reg_tmp; + struct t10_pr_registration *reg; - list_for_each_entry_safe(pr_reg, pr_reg_tmp, preempt_and_abort_list, - pr_reg_abort_list) { - if (pr_reg->pr_res_key == cmd->pr_res_key) + if (!list) + return 0; + list_for_each_entry(reg, list, pr_reg_abort_list) { + if (reg->pr_res_key == cmd->pr_res_key) return 0; } @@ -146,9 +146,7 @@ static void core_tmr_drain_tmr_list( * parameter (eg: for PROUT PREEMPT_AND_ABORT service action * skip non regisration key matching TMRs. */ - if (preempt_and_abort_list && - (core_scsi3_check_cdb_abort_and_preempt( - preempt_and_abort_list, cmd) != 0)) + if (target_check_cdb_and_preempt(preempt_and_abort_list, cmd)) continue; spin_lock(&cmd->t_state_lock); @@ -225,9 +223,7 @@ static void core_tmr_drain_task_list( * For PREEMPT_AND_ABORT usage, only process commands * with a matching reservation key. */ - if (preempt_and_abort_list && - (core_scsi3_check_cdb_abort_and_preempt( - preempt_and_abort_list, cmd) != 0)) + if (target_check_cdb_and_preempt(preempt_and_abort_list, cmd)) continue; /* * Not aborting PROUT PREEMPT_AND_ABORT CDB.. @@ -335,9 +331,7 @@ static void core_tmr_drain_cmd_list( * For PREEMPT_AND_ABORT usage, only process commands * with a matching reservation key. */ - if (preempt_and_abort_list && - (core_scsi3_check_cdb_abort_and_preempt( - preempt_and_abort_list, cmd) != 0)) + if (target_check_cdb_and_preempt(preempt_and_abort_list, cmd)) continue; /* * Not aborting PROUT PREEMPT_AND_ABORT CDB.. |
