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scsi: allocate scsi_cmnd structures as part of struct request

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Rely on the new block layer functionality to allocate additional driver
specific data behind struct request instead of implementing it in SCSI
itѕelf.

Signed-off-by: Christoph Hellwig <[email protected]>
Acked-by: Martin K. Petersen <[email protected]>
Reviewed-by: Hannes Reinecke <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Christoph Hellwig 2017-01-02 21:55:26 +03:00 • committed by Jens Axboe
commit e9c787e65c
6 changed files with 95 additions and 394 deletions
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3
include/scsi/scsi_host.h
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@ -551,9 +551,6 @@ struct Scsi_Host {
struct list_head __devices;
struct list_head __targets;
struct scsi_host_cmd_pool *cmd_pool;
spinlock_t free_list_lock;
struct list_head free_list; /* backup store of cmd structs */
struct list_head starved_list;
spinlock_t default_lock;