u32 offset; /* usecs the probe got sent after the reference time point */
} __packed;
-/* DCBP: Drbd Compressed Bitmap Packet ... */
-static inline enum drbd_bitmap_code
-DCBP_get_code(struct p_compressed_bm *p)
-{
- return (enum drbd_bitmap_code)(p->encoding & 0x0f);
-}
-
-static inline void
-DCBP_set_code(struct p_compressed_bm *p, enum drbd_bitmap_code code)
-{
- BUG_ON(code & ~0xf);
- p->encoding = (p->encoding & ~0xf) | code;
-}
-
-static inline int
-DCBP_get_start(struct p_compressed_bm *p)
-{
- return (p->encoding & 0x80) != 0;
-}
-
-static inline void
-DCBP_set_start(struct p_compressed_bm *p, int set)
-{
- p->encoding = (p->encoding & ~0x80) | (set ? 0x80 : 0);
-}
-
-static inline int
-DCBP_get_pad_bits(struct p_compressed_bm *p)
-{
- return (p->encoding >> 4) & 0x7;
-}
-
-static inline void
-DCBP_set_pad_bits(struct p_compressed_bm *p, int n)
-{
- BUG_ON(n & ~0x7);
- p->encoding = (p->encoding & (~0x7 << 4)) | (n << 4);
-}
-
/* one bitmap packet, including the p_header,
* should fit within one _architecture independend_ page.
* so we need to use the fixed size 4KiB page size
return !conn_send_cmd(tconn, 0, &tconn->meta, cmd, &p.head, sizeof(p));
}
+static void dcbp_set_code(struct p_compressed_bm *p, enum drbd_bitmap_code code)
+{
+ BUG_ON(code & ~0xf);
+ p->encoding = (p->encoding & ~0xf) | code;
+}
+
+static void dcbp_set_start(struct p_compressed_bm *p, int set)
+{
+ p->encoding = (p->encoding & ~0x80) | (set ? 0x80 : 0);
+}
+
+static void dcbp_set_pad_bits(struct p_compressed_bm *p, int n)
+{
+ BUG_ON(n & ~0x7);
+ p->encoding = (p->encoding & (~0x7 << 4)) | (n << 4);
+}
+
int fill_bitmap_rle_bits(struct drbd_conf *mdev,
struct p_compressed_bm *p,
struct bm_xfer_ctx *c)
if (rl == 0) {
/* the first checked bit was set,
* store start value, */
- DCBP_set_start(p, 1);
+ dcbp_set_start(p, 1);
/* but skip encoding of zero run length */
toggle = !toggle;
continue;
}
- DCBP_set_start(p, 0);
+ dcbp_set_start(p, 0);
}
/* paranoia: catch zero runlength.
bm_xfer_ctx_bit_to_word_offset(c);
/* store pad_bits */
- DCBP_set_pad_bits(p, (8 - bs.cur.bit) & 0x7);
+ dcbp_set_pad_bits(p, (8 - bs.cur.bit) & 0x7);
return len;
}
return -EIO;
if (len) {
- DCBP_set_code(p, RLE_VLI_Bits);
+ dcbp_set_code(p, RLE_VLI_Bits);
err = _drbd_send_cmd(mdev, mdev->tconn->data.socket,
P_COMPRESSED_BITMAP, h,
sizeof(*p) + len, 0);
return 1;
}
+static enum drbd_bitmap_code dcbp_get_code(struct p_compressed_bm *p)
+{
+ return (enum drbd_bitmap_code)(p->encoding & 0x0f);
+}
+
+static int dcbp_get_start(struct p_compressed_bm *p)
+{
+ return (p->encoding & 0x80) != 0;
+}
+
+static int dcbp_get_pad_bits(struct p_compressed_bm *p)
+{
+ return (p->encoding >> 4) & 0x7;
+}
+
/**
* recv_bm_rle_bits
*
u64 tmp;
unsigned long s = c->bit_offset;
unsigned long e;
- int toggle = DCBP_get_start(p);
+ int toggle = dcbp_get_start(p);
int have;
int bits;
- bitstream_init(&bs, p->code, len, DCBP_get_pad_bits(p));
+ bitstream_init(&bs, p->code, len, dcbp_get_pad_bits(p));
bits = bitstream_get_bits(&bs, &look_ahead, 64);
if (bits < 0)
struct bm_xfer_ctx *c,
unsigned int len)
{
- if (DCBP_get_code(p) == RLE_VLI_Bits)
+ if (dcbp_get_code(p) == RLE_VLI_Bits)
return recv_bm_rle_bits(mdev, p, c, len);
/* other variants had been implemented for evaluation,