Add maximum p9 header size to MSIZE to make sure we can have page aligned data. Signed-off-by: Eric Van Hensbergen <evanhensbergen@xxxxxxxxxx> --- net/9p/client.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/net/9p/client.c b/net/9p/client.c index fef6516a0639..f982d36b55b8 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -28,7 +28,11 @@ #define CREATE_TRACE_POINTS #include <trace/events/9p.h> -#define DEFAULT_MSIZE (128 * 1024) +/* DEFAULT MSIZE = 32 pages worth of payload + P9_HDRSZ + + * room for write (16 extra) or read (11 extra) operands. + */ + +#define DEFAULT_MSIZE ((128 * 1024) + P9_IOHDRSZ) /* Client Option Parsing (code inspired by NFS code) * - a little lazy - parse all client options base-commit: b7b275e60bcd5f89771e865a8239325f86d9927d prerequisite-patch-id: 031bd397a760838e416ddba75243269ce906c368 prerequisite-patch-id: cf70b974aff8376ea1bbb41d2606ec93609eecf0 prerequisite-patch-id: 91046bd699f2be9a4c9c9bf317693039a4374fbe prerequisite-patch-id: 28c9dc76bc302670a661fef2c4807d77038ca054 prerequisite-patch-id: 9e6a0ffb4d37f179b3ef3b920d883a464c5c3083 prerequisite-patch-id: f1ef66e1bee57cf76948e8d7d6eca9ef5c335b0e prerequisite-patch-id: a8342a621d33c26f9347d46c52f076d41d61a946 prerequisite-patch-id: 9117d73d5265a507d68acce493d7f7e623f7a6b0 -- 2.37.2