diff options
Diffstat (limited to 'sys/dev/xen/blkfront/block.h')
| -rw-r--r-- | sys/dev/xen/blkfront/block.h | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/sys/dev/xen/blkfront/block.h b/sys/dev/xen/blkfront/block.h index 3007118..8dcd322 100644 --- a/sys/dev/xen/blkfront/block.h +++ b/sys/dev/xen/blkfront/block.h @@ -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. */ |
