Date: Sun, 21 Jun 2015 06:52:03 +0000 (UTC) From: Colin Percival <cperciva@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r284670 - head/sys/dev/xen/blkfront Message-ID: <201506210652.t5L6q3qO060561@svn.freebsd.org>
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Author: cperciva Date: Sun Jun 21 06:52:03 2015 New Revision: 284670 URL: https://svnweb.freebsd.org/changeset/base/284670 Log: Garbage collect comments and a macro which related to the pre-r284296 support for a "segment block" extension in FreeBSD's Xen blkfront/blkback drivers. This commit should not result in any functional changes. Modified: head/sys/dev/xen/blkfront/block.h Modified: head/sys/dev/xen/blkfront/block.h ============================================================================== --- head/sys/dev/xen/blkfront/block.h Sun Jun 21 06:49:44 2015 (r284669) +++ head/sys/dev/xen/blkfront/block.h Sun Jun 21 06:52:03 2015 (r284670) @@ -68,9 +68,8 @@ #define XBD_MAX_RING_PAGES 32 /** - * The maximum number of outstanding requests blocks (request headers plus - * additional segment blocks) we will allow in a negotiated block-front/back - * communication channel. + * The maximum number of outstanding requests we will allow in a negotiated + * block-front/back communication channel. */ #define XBD_MAX_REQUESTS \ __CONST_RING_SIZE(blkif, PAGE_SIZE * XBD_MAX_RING_PAGES) @@ -82,15 +81,6 @@ #define XBD_MAX_REQUEST_SIZE \ MIN(MAXPHYS, XBD_SEGS_TO_SIZE(BLKIF_MAX_SEGMENTS_PER_REQUEST)) -/** - * The maximum number of segments (within a request header and accompanying - * segment blocks) per request we will allow in a negotiated block-front/back - * communication channel. - */ -#define XBD_MAX_SEGMENTS_PER_REQUEST \ - (MIN(BLKIF_MAX_SEGMENTS_PER_REQUEST, \ - XBD_SIZE_TO_SEGS(XBD_MAX_REQUEST_SIZE))) - typedef enum { XBDCF_Q_MASK = 0xFF, /* This command has contributed to xbd_qfrozen_cnt. */
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