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Message-ID: <20240430140930.262762-6-dhowells@redhat.com>
Date: Tue, 30 Apr 2024 15:09:17 +0100
From: David Howells <dhowells@...hat.com>
To: Steve French <smfrench@...il.com>
Cc: David Howells <dhowells@...hat.com>,
Jeff Layton <jlayton@...nel.org>,
Matthew Wilcox <willy@...radead.org>,
Paulo Alcantara <pc@...guebit.com>,
Shyam Prasad N <sprasad@...rosoft.com>,
Tom Talpey <tom@...pey.com>,
Christian Brauner <christian@...uner.io>,
netfs@...ts.linux.dev,
linux-cifs@...r.kernel.org,
linux-fsdevel@...r.kernel.org,
linux-mm@...ck.org,
linux-kernel@...r.kernel.org,
Steve French <sfrench@...ba.org>,
Shyam Prasad N <nspmangalore@...il.com>,
Rohith Surabattula <rohiths.msft@...il.com>,
linux-cachefs@...hat.com
Subject: [PATCH v7 05/16] cifs: Make wait_mtu_credits take size_t args
Make the wait_mtu_credits functions use size_t for the size and num
arguments rather than unsigned int as netfslib uses size_t/ssize_t for
arguments and return values to allow for extra capacity.
Signed-off-by: David Howells <dhowells@...hat.com>
cc: Steve French <sfrench@...ba.org>
cc: Shyam Prasad N <nspmangalore@...il.com>
cc: Rohith Surabattula <rohiths.msft@...il.com>
cc: Jeff Layton <jlayton@...nel.org>
cc: linux-cifs@...r.kernel.org
cc: linux-cachefs@...hat.com
cc: netfs@...ts.linux.dev
cc: linux-mm@...ck.org
---
fs/smb/client/cifsglob.h | 4 ++--
fs/smb/client/cifsproto.h | 2 +-
fs/smb/client/file.c | 17 ++++++++++-------
fs/smb/client/smb2ops.c | 4 ++--
fs/smb/client/transport.c | 4 ++--
5 files changed, 17 insertions(+), 14 deletions(-)
diff --git a/fs/smb/client/cifsglob.h b/fs/smb/client/cifsglob.h
index 5100aa047ed6..13161e0b5cc0 100644
--- a/fs/smb/client/cifsglob.h
+++ b/fs/smb/client/cifsglob.h
@@ -546,8 +546,8 @@ struct smb_version_operations {
/* writepages retry size */
unsigned int (*wp_retry_size)(struct inode *);
/* get mtu credits */
- int (*wait_mtu_credits)(struct TCP_Server_Info *, unsigned int,
- unsigned int *, struct cifs_credits *);
+ int (*wait_mtu_credits)(struct TCP_Server_Info *, size_t,
+ size_t *, struct cifs_credits *);
/* adjust previously taken mtu credits to request size */
int (*adjust_credits)(struct TCP_Server_Info *server,
struct cifs_credits *credits,
diff --git a/fs/smb/client/cifsproto.h b/fs/smb/client/cifsproto.h
index cb5cc5711a84..103f264b42d7 100644
--- a/fs/smb/client/cifsproto.h
+++ b/fs/smb/client/cifsproto.h
@@ -121,7 +121,7 @@ extern struct mid_q_entry *cifs_setup_async_request(struct TCP_Server_Info *,
extern int cifs_check_receive(struct mid_q_entry *mid,
struct TCP_Server_Info *server, bool log_error);
extern int cifs_wait_mtu_credits(struct TCP_Server_Info *server,
- unsigned int size, unsigned int *num,
+ size_t size, size_t *num,
struct cifs_credits *credits);
extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *,
struct kvec *, int /* nvec to send */,
diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c
index 7528f6436ec4..4d8cd0d82104 100644
--- a/fs/smb/client/file.c
+++ b/fs/smb/client/file.c
@@ -2783,7 +2783,8 @@ static ssize_t cifs_write_back_from_locked_folio(struct address_space *mapping,
struct cifs_credits *credits = &credits_on_stack;
struct cifsFileInfo *cfile = NULL;
unsigned long long i_size = i_size_read(inode), max_len;
- unsigned int xid, wsize;
+ unsigned int xid;
+ size_t wsize;
size_t len = folio_size(folio);
long count = wbc->nr_to_write;
int rc;
@@ -3285,7 +3286,7 @@ static int
cifs_resend_wdata(struct cifs_io_subrequest *wdata, struct list_head *wdata_list,
struct cifs_aio_ctx *ctx)
{
- unsigned int wsize;
+ size_t wsize;
struct cifs_credits credits;
int rc;
struct TCP_Server_Info *server = wdata->server;
@@ -3420,7 +3421,8 @@ cifs_write_from_iter(loff_t fpos, size_t len, struct iov_iter *from,
do {
struct cifs_credits credits_on_stack;
struct cifs_credits *credits = &credits_on_stack;
- unsigned int wsize, nsegs = 0;
+ unsigned int nsegs = 0;
+ size_t wsize;
if (signal_pending(current)) {
rc = -EINTR;
@@ -3857,7 +3859,7 @@ static int cifs_resend_rdata(struct cifs_io_subrequest *rdata,
struct list_head *rdata_list,
struct cifs_aio_ctx *ctx)
{
- unsigned int rsize;
+ size_t rsize;
struct cifs_credits credits;
int rc;
struct TCP_Server_Info *server;
@@ -3931,10 +3933,10 @@ cifs_send_async_read(loff_t fpos, size_t len, struct cifsFileInfo *open_file,
struct cifs_aio_ctx *ctx)
{
struct cifs_io_subrequest *rdata;
- unsigned int rsize, nsegs, max_segs = INT_MAX;
+ unsigned int nsegs, max_segs = INT_MAX;
struct cifs_credits credits_on_stack;
struct cifs_credits *credits = &credits_on_stack;
- size_t cur_len, max_len;
+ size_t cur_len, max_len, rsize;
int rc;
pid_t pid;
struct TCP_Server_Info *server;
@@ -4530,12 +4532,13 @@ static void cifs_readahead(struct readahead_control *ractl)
* Chop the readahead request up into rsize-sized read requests.
*/
while ((nr_pages = ra_pages)) {
- unsigned int i, rsize;
+ unsigned int i;
struct cifs_io_subrequest *rdata;
struct cifs_credits credits_on_stack;
struct cifs_credits *credits = &credits_on_stack;
struct folio *folio;
pgoff_t fsize;
+ size_t rsize;
/*
* Find out if we have anything cached in the range of
diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c
index c13705c0e47f..ef18cd30f66c 100644
--- a/fs/smb/client/smb2ops.c
+++ b/fs/smb/client/smb2ops.c
@@ -217,8 +217,8 @@ smb2_get_credits(struct mid_q_entry *mid)
}
static int
-smb2_wait_mtu_credits(struct TCP_Server_Info *server, unsigned int size,
- unsigned int *num, struct cifs_credits *credits)
+smb2_wait_mtu_credits(struct TCP_Server_Info *server, size_t size,
+ size_t *num, struct cifs_credits *credits)
{
int rc = 0;
unsigned int scredits, in_flight;
diff --git a/fs/smb/client/transport.c b/fs/smb/client/transport.c
index cccc1248c48a..4c8af995c60b 100644
--- a/fs/smb/client/transport.c
+++ b/fs/smb/client/transport.c
@@ -691,8 +691,8 @@ wait_for_compound_request(struct TCP_Server_Info *server, int num,
}
int
-cifs_wait_mtu_credits(struct TCP_Server_Info *server, unsigned int size,
- unsigned int *num, struct cifs_credits *credits)
+cifs_wait_mtu_credits(struct TCP_Server_Info *server, size_t size,
+ size_t *num, struct cifs_credits *credits)
{
*num = size;
credits->value = 0;
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