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[PATCH 16/27] afs: Make struct afs_read::remain 64-bit

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  [PATCH 16/27] afs: Make struct afs_read::remain 64-bit David Howells <dhowells@redhat.com> - 2017-03-09 20:00 +0100

#1596313 — [PATCH 16/27] afs: Make struct afs_read::remain 64-bit

Make struct afs_read::remain 64-bit so that it can handle huge transfers if
we ever request them or the server decides to give us a bit extra data (the
other fields there are already 64-bit).

Signed-off-by: David Howells <dhowells@redhat.com>
Tested-by: Marc Dionne <marc.dionne@auristor.com>
---

 fs/afs/fsclient.c |    8 ++++----
 fs/afs/internal.h |    2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/fs/afs/fsclient.c b/fs/afs/fsclient.c
index 4314f9e63a2c..0778c5b6b59b 100644
--- a/fs/afs/fsclient.c
+++ b/fs/afs/fsclient.c
@@ -321,7 +321,7 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call)
 	void *buffer;
 	int ret;
 
-	_enter("{%u,%zu/%u;%u/%llu}",
+	_enter("{%u,%zu/%u;%llu/%llu}",
 	       call->unmarshall, call->offset, call->count,
 	       req->remain, req->actual_len);
 
@@ -379,7 +379,7 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call)
 
 		/* extract the returned data */
 	case 3:
-		_debug("extract data %u/%llu %zu/%u",
+		_debug("extract data %llu/%llu %zu/%u",
 		       req->remain, req->actual_len, call->offset, call->count);
 
 		buffer = kmap(req->pages[req->index]);
@@ -405,9 +405,9 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call)
 		/* Discard any excess data the server gave us */
 	begin_discard:
 	case 4:
-		size = min_t(size_t, sizeof(afs_discard_buffer), req->remain);
+		size = min_t(loff_t, sizeof(afs_discard_buffer), req->remain);
 		call->count = size;
-		_debug("extract discard %u/%llu %zu/%u",
+		_debug("extract discard %llu/%llu %zu/%u",
 		       req->remain, req->actual_len, call->offset, call->count);
 
 		call->offset = 0;
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index 832555003d03..a6901360fb81 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -133,8 +133,8 @@ struct afs_read {
 	loff_t			pos;		/* Where to start reading */
 	loff_t			len;		/* How much we're asking for */
 	loff_t			actual_len;	/* How much we're actually getting */
+	loff_t			remain;		/* Amount remaining */
 	atomic_t		usage;
-	unsigned int		remain;		/* Amount remaining */
 	unsigned int		index;		/* Which page we're reading into */
 	unsigned int		nr_pages;
 	void (*page_done)(struct afs_call *, struct afs_read *);

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