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Commit 06a452e5 authored by Adel Gadllah's avatar Adel Gadllah Committed by Jens Axboe
Browse files

cmdfilter: extend default read filter 



This patch adds the commands that the former sg filter allowed for read
access to the cmdfilter to keep userspace apps that rely on them working.

Signed-off-by: default avatarAdel Gadllah <adel.gadllah@gmail.com>
Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
parent 2b272d4f

block/cmd-filter.c

+9 −0
Original line number Diff line number Diff line
@@ -219,6 +219,10 @@ static struct kobj_type rcf_ktype = { 
	.default_attrs = default_attrs,

};



#ifndef MAINTENANCE_IN_CMD

#define MAINTENANCE_IN_CMD 0xa3

#endif



static void rcf_set_defaults(struct blk_scsi_cmd_filter *filter)

{

	/* Basic read-only commands */
@@ -230,6 +234,7 @@ static void rcf_set_defaults(struct blk_scsi_cmd_filter *filter) 
	__set_bit(READ_16, filter->read_ok);

	__set_bit(READ_BUFFER, filter->read_ok);

	__set_bit(READ_DEFECT_DATA, filter->read_ok);

	__set_bit(READ_CAPACITY, filter->read_ok);

	__set_bit(READ_LONG, filter->read_ok);

	__set_bit(INQUIRY, filter->read_ok);

	__set_bit(MODE_SENSE, filter->read_ok);
@@ -238,6 +243,10 @@ static void rcf_set_defaults(struct blk_scsi_cmd_filter *filter) 
	__set_bit(START_STOP, filter->read_ok);

	__set_bit(GPCMD_VERIFY_10, filter->read_ok);

	__set_bit(VERIFY_16, filter->read_ok);

	__set_bit(REPORT_LUNS, filter->read_ok);

	__set_bit(SERVICE_ACTION_IN, filter->read_ok);

	__set_bit(RECEIVE_DIAGNOSTIC, filter->read_ok);

	__set_bit(MAINTENANCE_IN_CMD, filter->read_ok);

	__set_bit(GPCMD_READ_BUFFER_CAPACITY, filter->read_ok);



	/* Audio CD commands */

drivers/scsi/sg.c

+0 −4
Original line number Diff line number Diff line
@@ -2502,10 +2502,6 @@ sg_page_free(struct page *page, int size) 
	__free_pages(page, order);

}



#ifndef MAINTENANCE_IN_CMD

#define MAINTENANCE_IN_CMD 0xa3

#endif



#ifdef CONFIG_SCSI_PROC_FS

static int

sg_idr_max_id(int id, void *p, void *data)