From: Philipp Reisner <philipp.reisner@linbit.com>
To: linux-kernel@vger.kernel.org, Jens Axboe <axboe@kernel.dk>
Cc: drbd-dev@lists.linbit.com
Subject: [PATCH 02/54] drbd: Add drbd_send_all(): Send an entire buffer
Date: Mon, 5 Sep 2011 13:44:53 +0200 [thread overview]
Message-ID: <1315223145-20640-3-git-send-email-philipp.reisner@linbit.com> (raw)
In-Reply-To: <1315223145-20640-1-git-send-email-philipp.reisner@linbit.com>
From: Andreas Gruenbacher <agruen@linbit.com>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
drivers/block/drbd/drbd_int.h | 3 +++
drivers/block/drbd/drbd_main.c | 18 ++++++++++++++++++
2 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index eaa1fd5..32799ea 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -1161,6 +1161,9 @@ extern void _tl_add_barrier(struct drbd_tconn *, struct drbd_tl_epoch *);
extern void drbd_free_sock(struct drbd_tconn *tconn);
extern int drbd_send(struct drbd_tconn *tconn, struct socket *sock,
void *buf, size_t size, unsigned msg_flags);
+extern int drbd_send_all(struct drbd_tconn *, struct socket *, void *, size_t,
+ unsigned);
+
extern int drbd_send_protocol(struct drbd_tconn *tconn);
extern int drbd_send_uuids(struct drbd_conf *mdev);
extern int drbd_send_uuids_skip_initial_sync(struct drbd_conf *mdev);
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 628005a..1381d01 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -1764,6 +1764,24 @@ int drbd_send(struct drbd_tconn *tconn, struct socket *sock,
return sent;
}
+/**
+ * drbd_send_all - Send an entire buffer
+ *
+ * Returns 0 upon success and a negative error value otherwise.
+ */
+int drbd_send_all(struct drbd_tconn *tconn, struct socket *sock, void *buffer,
+ size_t size, unsigned msg_flags)
+{
+ int err;
+
+ err = drbd_send(tconn, sock, buffer, size, msg_flags);
+ if (err < 0)
+ return err;
+ if (err != size)
+ return -EIO;
+ return 0;
+}
+
static int drbd_open(struct block_device *bdev, fmode_t mode)
{
struct drbd_conf *mdev = bdev->bd_disk->private_data;
--
1.7.4.1
next prev parent reply other threads:[~2011-09-05 11:46 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-05 11:44 [RFC 00/54] drbd: part 6 of adding multiple volume support to drbd Philipp Reisner
2011-09-05 11:44 ` [PATCH 01/54] drbd: drbd_get_data_sock(): Return 0 upon success and an error code otherwise Philipp Reisner
2011-09-05 11:44 ` Philipp Reisner [this message]
2011-09-05 11:44 ` [PATCH 03/54] drbd: conn_send_cmd2(): " Philipp Reisner
2011-09-05 11:44 ` [PATCH 04/54] drbd: _conn_send_cmd(): " Philipp Reisner
2011-09-05 11:44 ` [PATCH 05/54] drbd: _drbd_send_cmd(): " Philipp Reisner
2011-09-05 11:44 ` [PATCH 06/54] drbd: conn_send_cmd(): " Philipp Reisner
2011-09-05 11:44 ` [PATCH 07/54] drbd: Get rid of USE_DATA_SOCKET and USE_META_SOCKET Philipp Reisner
2011-09-05 11:44 ` [PATCH 08/54] drbd: drbd_send_cmd(): Return 0 upon success and an error code otherwise Philipp Reisner
2011-09-05 11:45 ` [PATCH 09/54] drbd: drbd_send_sync_param(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 10/54] drbd: drbd_send_state(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 11/54] drbd: drbd_send_handshake(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 12/54] drbd: drbd_send_protocol(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 13/54] drbd: drbd_send_uuids() and its variants: " Philipp Reisner
2011-09-05 11:45 ` [PATCH 14/54] drbd: drbd_gen_and_send_sync_uuid(): Return void: the result is never used Philipp Reisner
2011-09-05 11:45 ` [PATCH 15/54] drbd: drbd_send_sizes(): Return 0 upon success and an error code otherwise Philipp Reisner
2011-09-05 11:45 ` [PATCH 16/54] drbd: _conn_send_state_req(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 17/54] drbd: conn_send_state_req(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 18/54] drbd: drbd_send_state_req(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 19/54] drbd: drbd_send_sr_reply(): Return void: the result is never used Philipp Reisner
2011-09-05 11:45 ` [PATCH 20/54] drbd: drbd_send_b_ack(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 21/54] drbd: _drbd_send_ack(): Return 0 upon success and an error code otherwise Philipp Reisner
2011-09-05 11:45 ` [PATCH 22/54] drbd: drbd_send_ack(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 23/54] drbd: drbd_send_ack_{dp,rp}(): Return void: the result is never used Philipp Reisner
2011-09-05 11:45 ` [PATCH 24/54] drbd: drbd_send_ack_ex(): Return 0 upon success and an error code otherwise Philipp Reisner
2011-09-05 11:45 ` [PATCH 25/54] drbd: drbd_send_drequest(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 26/54] drbd: drbd_send_drequest_csum(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 27/54] drbd: drbd_send_oos(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 28/54] drbd: _drbd_no_send_page(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 29/54] drbd: _drbd_send_page(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 30/54] drbd: _drbd_send_zc_ee(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 31/54] drbd: drbd_send_block(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 32/54] drbd: _drbd_send_bio(), _drbd_send_zc_bio(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 33/54] drbd: drbd_send_dblock(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 34/54] drbd: drbd_send_short_cmd(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 35/54] drbd: Temporarily change the return type of all worker callbacks Philipp Reisner
2011-09-05 11:45 ` [PATCH 36/54] drbd: Make all worker callbacks return 0 upon success and an error code otherwise Philipp Reisner
2011-09-05 11:45 ` [PATCH 37/54] drbd: drbd_process_done_ee(): Return " Philipp Reisner
2011-09-05 11:45 ` [PATCH 38/54] drbd: decode_header(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 39/54] drbd: drbd_recv_header(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 40/54] drbd: drbd_drain_block(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 41/54] drbd: recv_dless_read(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 42/54] drbd: recv_resync_read(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 43/54] drbd: send_bitmap_rle_or_plain(): Error handling cleanup Philipp Reisner
2011-09-05 11:45 ` [PATCH 44/54] drbd: Add drbd_recv_all(): Receive an entire buffer Philipp Reisner
2011-09-05 11:45 ` [PATCH 45/54] drbd: Make all command handlers return 0 upon success and an error code otherwise Philipp Reisner
2011-09-05 11:45 ` [PATCH 46/54] drbd: drbd_bm_read() never returns a positive value through drbd_bitmap_io() Philipp Reisner
2011-09-05 11:45 ` [PATCH 47/54] drbd: _drbd_md_sync_page_io(): Return 0 upon success and an error code otherwise Philipp Reisner
2011-09-05 11:45 ` [PATCH 48/54] drbd: drbd_md_sync_page_io(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 49/54] drbd: Remove duplicate initialization Philipp Reisner
2011-09-05 11:45 ` [PATCH 50/54] drbd: Remove unnecessary assertion Philipp Reisner
2011-09-05 11:45 ` [PATCH 51/54] drbd: drbd_may_do_local_read(): Use bool/true/false Philipp Reisner
2011-09-05 11:45 ` [PATCH 52/54] drbd: Rename various functions from *_oos_* to *_out_of_sync_* for clarity Philipp Reisner
2011-09-05 11:45 ` [PATCH 53/54] drbd: Get rid of typedef drbd_work_cb Philipp Reisner
2011-09-05 11:45 ` [PATCH 54/54] drbd: Introduce and use drbd_recv_all_warn() Philipp Reisner
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