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target: pack struct se_task more tightly

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Rearrange the fields in se_task to avoid holes.  Also increase the
flags field to 16 bits as we have the space for it, and this makes
adding new flags safer.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Christoph Hellwig
2011-10-12 11:07:07 -04:00
committed by Nicholas Bellinger
parent 04629b7bde
commit 3189b067ee
1 changed files with 15 additions and 15 deletions
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30
include/target/target_core_base.h
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@ -402,24 +402,24 @@ struct se_queue_obj {
} ____cacheline_aligned; } ____cacheline_aligned;
struct se_task { struct se_task {
unsigned char task_sense;
struct scatterlist *task_sg;
u32 task_sg_nents;
struct scatterlist *task_sg_bidi;
u8 task_scsi_status;
u8 task_flags;
int task_error_status;
unsigned long long task_lba; unsigned long long task_lba;
u32 task_sectors; u32 task_sectors;
u32 task_size; u32 task_size;
struct se_cmd *task_se_cmd;
struct scatterlist *task_sg;
struct scatterlist *task_sg_bidi;
u32 task_sg_nents;
u16 task_flags;
u8 task_sense;
u8 task_scsi_status;
int task_error_status;
enum dma_data_direction task_data_direction; enum dma_data_direction task_data_direction;
struct se_cmd *task_se_cmd; atomic_t task_state_active;
struct completion task_stop_comp;
atomic_t task_state_active;
struct timer_list task_timer; struct timer_list task_timer;
struct list_head t_list; struct list_head t_list;
struct list_head t_execute_list; struct list_head t_execute_list;
struct list_head t_state_list; struct list_head t_state_list;
struct completion task_stop_comp;
} ____cacheline_aligned; } ____cacheline_aligned;
struct se_cmd { struct se_cmd {