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authorAndreas Gruenbacher2011-03-22 17:20:45 +0100
committerPhilipp Reisner2012-11-08 16:44:52 +0100
commita02d124091ac7178c24a1318e5dcc4ae7fe6c8e1 (patch)
tree1e2e6b699491edaac9b628ef64e7f484fe5a363f /drivers/block/drbd/drbd_receiver.c
parentdrbd: Make _drbd_send_bitmap() static (diff)
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drbd: Rename the DCBP_* functions to dcbp_* and move them to where they are used
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block/drbd/drbd_receiver.c')
-rw-r--r--drivers/block/drbd/drbd_receiver.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 27d4a4520641..1fd871bc889e 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -3600,6 +3600,21 @@ receive_bitmap_plain(struct drbd_conf *mdev, unsigned int data_size,
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
*
@@ -3618,11 +3633,11 @@ recv_bm_rle_bits(struct drbd_conf *mdev,
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)
@@ -3677,7 +3692,7 @@ decode_bitmap_c(struct drbd_conf *mdev,
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,