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block: add a separate operation type for secure erase

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Instead of overloading the discard support with the REQ_SECURE flag.
Use the opportunity to rename the queue flag as well, and remove the
dead checks for this flag in the RAID 1 and RAID 10 drivers that don't
claim support for secure erase.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Christoph Hellwig
2016-06-09 16:00:36 +02:00
committed by Jens Axboe
parent 56332f02a5
commit 288dab8a35
12 changed files with 63 additions and 65 deletions
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6
kernel/trace/blktrace.c
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@@ -1791,6 +1791,10 @@ void blk_fill_rwbs(char *rwbs, int op, u32 rw, int bytes)
case REQ_OP_DISCARD:
rwbs[i++] = 'D';
break;
case REQ_OP_SECURE_ERASE:
rwbs[i++] = 'D';
rwbs[i++] = 'E';
break;
case REQ_OP_FLUSH:
rwbs[i++] = 'F';
break;
@@ -1809,8 +1813,6 @@ void blk_fill_rwbs(char *rwbs, int op, u32 rw, int bytes)
rwbs[i++] = 'S';
if (rw & REQ_META)
rwbs[i++] = 'M';
if (rw & REQ_SECURE)
rwbs[i++] = 'E';
rwbs[i] = '\0';
}