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scsi: target: drop unused pi_prot_format attribute storage 

On write, the pi_prot_format configfs attribute invokes the device
format_prot() callback if present. Read dumps the contents of
se_dev_attrib.pi_prot_format which is always zero.  Make the configfs
attribute write-only, and drop the always zero se_dev_attrib.pi_prot_format
storage.

Signed-off-by: David Disseldorp <ddiss@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
David Disseldorp 2018-11-23 18:36:11 +01:00 committed by Martin K. Petersen
parent 359d0ac1e8
commit 6baca7601b
2 changed files with 1 additions and 3 deletions
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3
drivers/target/target_core_configfs.c
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@ -535,7 +535,6 @@ DEF_CONFIGFS_ATTRIB_SHOW(emulate_3pc);
DEF_CONFIGFS_ATTRIB_SHOW(emulate_pr);
DEF_CONFIGFS_ATTRIB_SHOW(pi_prot_type);
DEF_CONFIGFS_ATTRIB_SHOW(hw_pi_prot_type);
DEF_CONFIGFS_ATTRIB_SHOW(pi_prot_format);
DEF_CONFIGFS_ATTRIB_SHOW(pi_prot_verify);
DEF_CONFIGFS_ATTRIB_SHOW(enforce_pr_isids);
DEF_CONFIGFS_ATTRIB_SHOW(is_nonrot);
@ -1121,7 +1120,7 @@ CONFIGFS_ATTR(, emulate_3pc);
CONFIGFS_ATTR(, emulate_pr);
CONFIGFS_ATTR(, pi_prot_type);
CONFIGFS_ATTR_RO(, hw_pi_prot_type);
CONFIGFS_ATTR(, pi_prot_format);
CONFIGFS_ATTR_WO(, pi_prot_format);
CONFIGFS_ATTR(, pi_prot_verify);
CONFIGFS_ATTR(, enforce_pr_isids);
CONFIGFS_ATTR(, is_nonrot);

1
include/target/target_core_base.h
View File

@ -667,7 +667,6 @@ struct se_dev_attrib {
int emulate_caw;
int emulate_3pc;
int emulate_pr;
int pi_prot_format;
enum target_prot_type pi_prot_type;
enum target_prot_type hw_pi_prot_type;
int pi_prot_verify;