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md(4): Add dummy support of the BIO_FLUSH command for malloc and swap

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backend.

PR:	260200
Reported by:	editor@callfortesting.org
Reviewed by:	vmaffione (mentor), markj
Approved by:	vmaffione (mentor), markj
Differential Revision:	https://reviews.freebsd.org/D34260
This commit is contained in:
Aleksandr Fedorov 2022-02-17 22:21:56 +03:00
parent 76e03cc940
commit cb28dfb27d
1 changed files with 4 additions and 0 deletions
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4
sys/dev/md/md.c
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@ -646,6 +646,8 @@ mdstart_malloc(struct md_s *sc, struct bio *bp)
case BIO_WRITE:
case BIO_DELETE:
break;
case BIO_FLUSH:
return (0);
default:
return (EOPNOTSUPP);
}
@ -1026,6 +1028,8 @@ mdstart_swap(struct md_s *sc, struct bio *bp)
case BIO_WRITE:
case BIO_DELETE:
break;
case BIO_FLUSH:
return (0);
default:
return (EOPNOTSUPP);
}