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Date: Mon, 18 Nov 2019 12:09:35 +0000
From: Luis Henriques <lhenriques@...e.com>
To: Jeff Layton <jlayton@...nel.org>, Sage Weil <sage@...hat.com>,
Ilya Dryomov <idryomov@...il.com>,
"Yan, Zheng" <zyan@...hat.com>, Gregory Farnum <gfarnum@...hat.com>
Cc: ceph-devel@...r.kernel.org, linux-kernel@...r.kernel.org,
Luis Henriques <lhenriques@...e.com>
Subject: [RFC PATCH] ceph: switch copy_file_range to 'copy-from-notrunc' operation
Instead of using the 'copy-from' operation, switch copy_file_range to the
new 'copy-from-notrunc' operation, which allows to send the truncate_seq
and truncate_size parameters.
Signed-off-by: Luis Henriques <lhenriques@...e.com>
---
fs/ceph/file.c | 3 ++-
include/linux/ceph/osd_client.h | 1 +
include/linux/ceph/rados.h | 1 +
net/ceph/osd_client.c | 18 ++++++++++++------
4 files changed, 16 insertions(+), 7 deletions(-)
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index d277f71abe0b..4e0d70543d8b 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -2075,7 +2075,8 @@ static ssize_t __ceph_copy_file_range(struct file *src_file, loff_t src_off,
CEPH_OSD_OP_FLAG_FADVISE_NOCACHE,
&dst_oid, &dst_oloc,
CEPH_OSD_OP_FLAG_FADVISE_SEQUENTIAL |
- CEPH_OSD_OP_FLAG_FADVISE_DONTNEED, 0);
+ CEPH_OSD_OP_FLAG_FADVISE_DONTNEED,
+ dst_ci->i_truncate_seq, dst_ci->i_truncate_size, 0);
if (err) {
dout("ceph_osdc_copy_from returned %d\n", err);
if (!ret)
diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h
index eaffbdddf89a..5a62dbd3f4c2 100644
--- a/include/linux/ceph/osd_client.h
+++ b/include/linux/ceph/osd_client.h
@@ -534,6 +534,7 @@ int ceph_osdc_copy_from(struct ceph_osd_client *osdc,
struct ceph_object_id *dst_oid,
struct ceph_object_locator *dst_oloc,
u32 dst_fadvise_flags,
+ u32 truncate_seq, u64 truncate_size,
u8 copy_from_flags);
/* watch/notify */
diff --git a/include/linux/ceph/rados.h b/include/linux/ceph/rados.h
index 3eb0e55665b4..54bc7648fd78 100644
--- a/include/linux/ceph/rados.h
+++ b/include/linux/ceph/rados.h
@@ -256,6 +256,7 @@ extern const char *ceph_osd_state_name(int s);
\
/* tiering */ \
f(COPY_FROM, __CEPH_OSD_OP(WR, DATA, 26), "copy-from") \
+ f(COPY_FROM_NOTRUNC, __CEPH_OSD_OP(WR, DATA, 45), "copy-from-notrunc")\
f(COPY_GET_CLASSIC, __CEPH_OSD_OP(RD, DATA, 27), "copy-get-classic") \
f(UNDIRTY, __CEPH_OSD_OP(WR, DATA, 28), "undirty") \
f(ISDIRTY, __CEPH_OSD_OP(RD, DATA, 29), "isdirty") \
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index ba45b074a362..f43ec0f5865c 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -402,7 +402,7 @@ static void osd_req_op_data_release(struct ceph_osd_request *osd_req,
case CEPH_OSD_OP_LIST_WATCHERS:
ceph_osd_data_release(&op->list_watchers.response_data);
break;
- case CEPH_OSD_OP_COPY_FROM:
+ case CEPH_OSD_OP_COPY_FROM_NOTRUNC:
ceph_osd_data_release(&op->copy_from.osd_data);
break;
default:
@@ -697,7 +697,7 @@ static void get_num_data_items(struct ceph_osd_request *req,
case CEPH_OSD_OP_SETXATTR:
case CEPH_OSD_OP_CMPXATTR:
case CEPH_OSD_OP_NOTIFY_ACK:
- case CEPH_OSD_OP_COPY_FROM:
+ case CEPH_OSD_OP_COPY_FROM_NOTRUNC:
*num_request_data_items += 1;
break;
@@ -1029,7 +1029,7 @@ static u32 osd_req_encode_op(struct ceph_osd_op *dst,
case CEPH_OSD_OP_CREATE:
case CEPH_OSD_OP_DELETE:
break;
- case CEPH_OSD_OP_COPY_FROM:
+ case CEPH_OSD_OP_COPY_FROM_NOTRUNC:
dst->copy_from.snapid = cpu_to_le64(src->copy_from.snapid);
dst->copy_from.src_version =
cpu_to_le64(src->copy_from.src_version);
@@ -1966,7 +1966,7 @@ static void setup_request_data(struct ceph_osd_request *req)
ceph_osdc_msg_data_add(request_msg,
&op->notify_ack.request_data);
break;
- case CEPH_OSD_OP_COPY_FROM:
+ case CEPH_OSD_OP_COPY_FROM_NOTRUNC:
ceph_osdc_msg_data_add(request_msg,
&op->copy_from.osd_data);
break;
@@ -5315,6 +5315,7 @@ static int osd_req_op_copy_from_init(struct ceph_osd_request *req,
struct ceph_object_locator *src_oloc,
u32 src_fadvise_flags,
u32 dst_fadvise_flags,
+ u32 truncate_seq, u64 truncate_size,
u8 copy_from_flags)
{
struct ceph_osd_req_op *op;
@@ -5325,7 +5326,8 @@ static int osd_req_op_copy_from_init(struct ceph_osd_request *req,
if (IS_ERR(pages))
return PTR_ERR(pages);
- op = _osd_req_op_init(req, 0, CEPH_OSD_OP_COPY_FROM, dst_fadvise_flags);
+ op = _osd_req_op_init(req, 0, CEPH_OSD_OP_COPY_FROM_NOTRUNC,
+ dst_fadvise_flags);
op->copy_from.snapid = src_snapid;
op->copy_from.src_version = src_version;
op->copy_from.flags = copy_from_flags;
@@ -5335,6 +5337,8 @@ static int osd_req_op_copy_from_init(struct ceph_osd_request *req,
end = p + PAGE_SIZE;
ceph_encode_string(&p, end, src_oid->name, src_oid->name_len);
encode_oloc(&p, end, src_oloc);
+ ceph_encode_32(&p, truncate_seq);
+ ceph_encode_64(&p, truncate_size);
op->indata_len = PAGE_SIZE - (end - p);
ceph_osd_data_pages_init(&op->copy_from.osd_data, pages,
@@ -5350,6 +5354,7 @@ int ceph_osdc_copy_from(struct ceph_osd_client *osdc,
struct ceph_object_id *dst_oid,
struct ceph_object_locator *dst_oloc,
u32 dst_fadvise_flags,
+ u32 truncate_seq, u64 truncate_size,
u8 copy_from_flags)
{
struct ceph_osd_request *req;
@@ -5366,7 +5371,8 @@ int ceph_osdc_copy_from(struct ceph_osd_client *osdc,
ret = osd_req_op_copy_from_init(req, src_snapid, src_version, src_oid,
src_oloc, src_fadvise_flags,
- dst_fadvise_flags, copy_from_flags);
+ dst_fadvise_flags, truncate_seq,
+ truncate_size, copy_from_flags);
if (ret)
goto out;
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