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Message-ID: <20230804131327.2574082-3-dhowells@redhat.com>
Date: Fri, 4 Aug 2023 14:13:11 +0100
From: David Howells <dhowells@...hat.com>
To: Ilya Dryomov <idryomov@...il.com>, Xiubo Li <xiubli@...hat.com>
Cc: David Howells <dhowells@...hat.com>,
Jeff Layton <jlayton@...nel.org>,
Dongsheng Yang <dongsheng.yang@...ystack.cn>,
ceph-devel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [RFC PATCH 02/18] ceph: Rename alignment to offset
---
fs/ceph/addr.c | 4 ++--
include/linux/ceph/messenger.h | 4 ++--
include/linux/ceph/osd_client.h | 10 +++++-----
net/ceph/messenger.c | 10 +++++-----
net/ceph/osd_client.c | 24 ++++++++++++------------
5 files changed, 26 insertions(+), 26 deletions(-)
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 228eab6706cd..7571606cf61f 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -279,7 +279,7 @@ static void finish_netfs_read(struct ceph_osd_request *req)
if (osd_data->type == CEPH_OSD_DATA_TYPE_PAGES) {
ceph_put_page_vector(osd_data->pages,
- calc_pages_for(osd_data->alignment,
+ calc_pages_for(osd_data->offset,
osd_data->length), false);
}
netfs_subreq_terminated(subreq, err, false);
@@ -881,7 +881,7 @@ static void writepages_finish(struct ceph_osd_request *req)
osd_data = osd_req_op_extent_osd_data(req, i);
BUG_ON(osd_data->type != CEPH_OSD_DATA_TYPE_PAGES);
len += osd_data->length;
- num_pages = calc_pages_for((u64)osd_data->alignment,
+ num_pages = calc_pages_for((u64)osd_data->offset,
(u64)osd_data->length);
total_pages += num_pages;
for (j = 0; j < num_pages; j++) {
diff --git a/include/linux/ceph/messenger.h b/include/linux/ceph/messenger.h
index 2eaaabbe98cb..f6f11bf9d63e 100644
--- a/include/linux/ceph/messenger.h
+++ b/include/linux/ceph/messenger.h
@@ -221,7 +221,7 @@ struct ceph_msg_data {
struct {
struct page **pages;
size_t length; /* total # bytes */
- unsigned int alignment; /* first page */
+ unsigned int offset; /* first page */
bool own_pages;
};
struct ceph_pagelist *pagelist;
@@ -602,7 +602,7 @@ extern bool ceph_con_keepalive_expired(struct ceph_connection *con,
unsigned long interval);
void ceph_msg_data_add_pages(struct ceph_msg *msg, struct page **pages,
- size_t length, size_t alignment, bool own_pages);
+ size_t length, size_t offset, bool own_pages);
extern void ceph_msg_data_add_pagelist(struct ceph_msg *msg,
struct ceph_pagelist *pagelist);
#ifdef CONFIG_BLOCK
diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h
index 41bcd71cfa7a..3dabebbdb5dc 100644
--- a/include/linux/ceph/osd_client.h
+++ b/include/linux/ceph/osd_client.h
@@ -117,7 +117,7 @@ struct ceph_osd_data {
struct {
struct page **pages;
u64 length;
- u32 alignment;
+ u32 offset;
bool pages_from_pool;
bool own_pages;
};
@@ -470,7 +470,7 @@ struct ceph_osd_req_op *osd_req_op_init(struct ceph_osd_request *osd_req,
extern void osd_req_op_raw_data_in_pages(struct ceph_osd_request *,
unsigned int which,
struct page **pages, u64 length,
- u32 alignment, bool pages_from_pool,
+ u32 offset, bool pages_from_pool,
bool own_pages);
extern void osd_req_op_extent_init(struct ceph_osd_request *osd_req,
@@ -489,7 +489,7 @@ extern struct ceph_osd_data *osd_req_op_extent_osd_data(
extern void osd_req_op_extent_osd_data_pages(struct ceph_osd_request *,
unsigned int which,
struct page **pages, u64 length,
- u32 alignment, bool pages_from_pool,
+ u32 offset, bool pages_from_pool,
bool own_pages);
extern void osd_req_op_extent_osd_data_pagelist(struct ceph_osd_request *,
unsigned int which,
@@ -516,7 +516,7 @@ extern void osd_req_op_cls_request_data_pagelist(struct ceph_osd_request *,
extern void osd_req_op_cls_request_data_pages(struct ceph_osd_request *,
unsigned int which,
struct page **pages, u64 length,
- u32 alignment, bool pages_from_pool,
+ u32 offset, bool pages_from_pool,
bool own_pages);
void osd_req_op_cls_request_data_bvecs(struct ceph_osd_request *osd_req,
unsigned int which,
@@ -525,7 +525,7 @@ void osd_req_op_cls_request_data_bvecs(struct ceph_osd_request *osd_req,
extern void osd_req_op_cls_response_data_pages(struct ceph_osd_request *,
unsigned int which,
struct page **pages, u64 length,
- u32 alignment, bool pages_from_pool,
+ u32 offset, bool pages_from_pool,
bool own_pages);
int osd_req_op_cls_init(struct ceph_osd_request *osd_req, unsigned int which,
const char *class, const char *method);
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 9dce65fac0bd..6cfc6b69052f 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -840,8 +840,8 @@ static void ceph_msg_data_pages_cursor_init(struct ceph_msg_data_cursor *cursor,
BUG_ON(!data->length);
cursor->resid = min(length, data->length);
- page_count = calc_pages_for(data->alignment, (u64)data->length);
- cursor->page_offset = data->alignment & ~PAGE_MASK;
+ page_count = calc_pages_for(data->offset, (u64)data->length);
+ cursor->page_offset = data->offset & ~PAGE_MASK;
cursor->page_index = 0;
BUG_ON(page_count > (int)USHRT_MAX);
cursor->page_count = (unsigned short)page_count;
@@ -1873,7 +1873,7 @@ static struct ceph_msg_data *ceph_msg_data_add(struct ceph_msg *msg)
static void ceph_msg_data_destroy(struct ceph_msg_data *data)
{
if (data->type == CEPH_MSG_DATA_PAGES && data->own_pages) {
- int num_pages = calc_pages_for(data->alignment, data->length);
+ int num_pages = calc_pages_for(data->offset, data->length);
ceph_release_page_vector(data->pages, num_pages);
} else if (data->type == CEPH_MSG_DATA_PAGELIST) {
ceph_pagelist_release(data->pagelist);
@@ -1881,7 +1881,7 @@ static void ceph_msg_data_destroy(struct ceph_msg_data *data)
}
void ceph_msg_data_add_pages(struct ceph_msg *msg, struct page **pages,
- size_t length, size_t alignment, bool own_pages)
+ size_t length, size_t offset, bool own_pages)
{
struct ceph_msg_data *data;
@@ -1892,7 +1892,7 @@ void ceph_msg_data_add_pages(struct ceph_msg *msg, struct page **pages,
data->type = CEPH_MSG_DATA_PAGES;
data->pages = pages;
data->length = length;
- data->alignment = alignment & ~PAGE_MASK;
+ data->offset = offset & ~PAGE_MASK;
data->own_pages = own_pages;
msg->data_length += length;
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 78b622178a3d..e3152e21418f 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -130,13 +130,13 @@ static void ceph_osd_data_init(struct ceph_osd_data *osd_data)
* Consumes @pages if @own_pages is true.
*/
static void ceph_osd_data_pages_init(struct ceph_osd_data *osd_data,
- struct page **pages, u64 length, u32 alignment,
+ struct page **pages, u64 length, u32 offset,
bool pages_from_pool, bool own_pages)
{
osd_data->type = CEPH_OSD_DATA_TYPE_PAGES;
osd_data->pages = pages;
osd_data->length = length;
- osd_data->alignment = alignment;
+ osd_data->offset = offset;
osd_data->pages_from_pool = pages_from_pool;
osd_data->own_pages = own_pages;
}
@@ -196,26 +196,26 @@ EXPORT_SYMBOL(osd_req_op_extent_osd_data);
void osd_req_op_raw_data_in_pages(struct ceph_osd_request *osd_req,
unsigned int which, struct page **pages,
- u64 length, u32 alignment,
+ u64 length, u32 offset,
bool pages_from_pool, bool own_pages)
{
struct ceph_osd_data *osd_data;
osd_data = osd_req_op_raw_data_in(osd_req, which);
- ceph_osd_data_pages_init(osd_data, pages, length, alignment,
+ ceph_osd_data_pages_init(osd_data, pages, length, offset,
pages_from_pool, own_pages);
}
EXPORT_SYMBOL(osd_req_op_raw_data_in_pages);
void osd_req_op_extent_osd_data_pages(struct ceph_osd_request *osd_req,
unsigned int which, struct page **pages,
- u64 length, u32 alignment,
+ u64 length, u32 offset,
bool pages_from_pool, bool own_pages)
{
struct ceph_osd_data *osd_data;
osd_data = osd_req_op_data(osd_req, which, extent, osd_data);
- ceph_osd_data_pages_init(osd_data, pages, length, alignment,
+ ceph_osd_data_pages_init(osd_data, pages, length, offset,
pages_from_pool, own_pages);
}
EXPORT_SYMBOL(osd_req_op_extent_osd_data_pages);
@@ -312,12 +312,12 @@ EXPORT_SYMBOL(osd_req_op_cls_request_data_pagelist);
void osd_req_op_cls_request_data_pages(struct ceph_osd_request *osd_req,
unsigned int which, struct page **pages, u64 length,
- u32 alignment, bool pages_from_pool, bool own_pages)
+ u32 offset, bool pages_from_pool, bool own_pages)
{
struct ceph_osd_data *osd_data;
osd_data = osd_req_op_data(osd_req, which, cls, request_data);
- ceph_osd_data_pages_init(osd_data, pages, length, alignment,
+ ceph_osd_data_pages_init(osd_data, pages, length, offset,
pages_from_pool, own_pages);
osd_req->r_ops[which].cls.indata_len += length;
osd_req->r_ops[which].indata_len += length;
@@ -344,12 +344,12 @@ EXPORT_SYMBOL(osd_req_op_cls_request_data_bvecs);
void osd_req_op_cls_response_data_pages(struct ceph_osd_request *osd_req,
unsigned int which, struct page **pages, u64 length,
- u32 alignment, bool pages_from_pool, bool own_pages)
+ u32 offset, bool pages_from_pool, bool own_pages)
{
struct ceph_osd_data *osd_data;
osd_data = osd_req_op_data(osd_req, which, cls, response_data);
- ceph_osd_data_pages_init(osd_data, pages, length, alignment,
+ ceph_osd_data_pages_init(osd_data, pages, length, offset,
pages_from_pool, own_pages);
}
EXPORT_SYMBOL(osd_req_op_cls_response_data_pages);
@@ -382,7 +382,7 @@ static void ceph_osd_data_release(struct ceph_osd_data *osd_data)
if (osd_data->type == CEPH_OSD_DATA_TYPE_PAGES && osd_data->own_pages) {
int num_pages;
- num_pages = calc_pages_for((u64)osd_data->alignment,
+ num_pages = calc_pages_for((u64)osd_data->offset,
(u64)osd_data->length);
ceph_release_page_vector(osd_data->pages, num_pages);
} else if (osd_data->type == CEPH_OSD_DATA_TYPE_PAGELIST) {
@@ -969,7 +969,7 @@ static void ceph_osdc_msg_data_add(struct ceph_msg *msg,
BUG_ON(length > (u64) SIZE_MAX);
if (length)
ceph_msg_data_add_pages(msg, osd_data->pages,
- length, osd_data->alignment, false);
+ length, osd_data->offset, false);
} else if (osd_data->type == CEPH_OSD_DATA_TYPE_PAGELIST) {
BUG_ON(!length);
ceph_msg_data_add_pagelist(msg, osd_data->pagelist);
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