diff options
| author | Andreas Gruenbacher <agruen@linbit.com> | 2011-03-22 13:17:47 +0100 |
|---|---|---|
| committer | Philipp Reisner <philipp.reisner@linbit.com> | 2012-11-08 16:45:10 +0100 |
| commit | b55d84ba17e90491ac2046583327d4756159efd6 (patch) | |
| tree | d7db368b8209f70d50587834b5e21108c17a5a83 | |
| parent | 0c8e36d9b843be56e4e43d4ef3c3eb6a97205599 (diff) | |
| download | linux-rt-b55d84ba17e90491ac2046583327d4756159efd6.tar.gz | |
drbd: Removed outdated comments and code that envisioned VNRs in header 95
Since have now header 100, that has space for 16 bit volume numbers,
the high byte of the length in header 95 is no longer reserved for
8 bit volume numbers.
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| -rw-r--r-- | drivers/block/drbd/drbd_int.h | 2 | ||||
| -rw-r--r-- | drivers/block/drbd/drbd_main.c | 2 | ||||
| -rw-r--r-- | drivers/block/drbd/drbd_receiver.c | 5 |
3 files changed, 4 insertions, 5 deletions
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index bf1aad683387..43e9490fabeb 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -304,7 +304,7 @@ struct p_header80 { struct p_header95 { u16 magic; /* use DRBD_MAGIC_BIG here */ u16 command; - u32 length; /* Use only 24 bits of that. Ignore the highest 8 bit. */ + u32 length; } __packed; struct p_header100 { diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 5d9112cefcd7..e1aef12e5091 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -721,7 +721,7 @@ static unsigned int prepare_header95(struct p_header95 *h, enum drbd_packet cmd, { h->magic = cpu_to_be16(DRBD_MAGIC_BIG); h->command = cpu_to_be16(cmd); - h->length = cpu_to_be32(size); + h->length = cpu_to_be32(size); return sizeof(struct p_header95); } diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index 311b95453cb7..f846e55c1740 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -996,10 +996,9 @@ static int decode_header(struct drbd_tconn *tconn, void *header, struct packet_i } else if (header_size == sizeof(struct p_header95) && *(__be16 *)header == cpu_to_be16(DRBD_MAGIC_BIG)) { struct p_header95 *h = header; - pi->cmd = be16_to_cpu(h->command); - pi->size = be32_to_cpu(h->length) & 0x00ffffff; - pi->vnr = 0; + pi->size = be32_to_cpu(h->length); + pi->vnr = 0; } else if (header_size == sizeof(struct p_header80) && *(__be32 *)header == cpu_to_be32(DRBD_MAGIC)) { struct p_header80 *h = header; |