diff options
| author | Eric Van Hensbergen | 2022-11-28 00:38:36 +0000 |
|---|---|---|
| committer | Eric Van Hensbergen | 2023-02-23 22:39:36 +0000 |
| commit | 2a03472262c05f965d7ba394ed35dc9867ba3095 (patch) | |
| tree | 78959bcdc0e02606be527a77d491bcb2d2e04fbf | |
| parent | 88603b6dc419445847923fcb7fe5080067a30f98 (diff) | |
net/9p: Adjust maximum MSIZE to account for p9 header
Add maximum p9 header size to MSIZE to make sure we can
have page aligned data.
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
Reviewed-by: Dominique Martinet <asmadeus@codewreck.org>
| -rw-r--r-- | net/9p/client.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/net/9p/client.c b/net/9p/client.c index 622ec6a586ee..6c2a768a6ab1 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 |