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author | Eric Van Hensbergen <ericvh@kernel.org> | 2022-11-28 01:38:36 +0100 |
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committer | Eric Van Hensbergen <ericvh@kernel.org> | 2023-02-23 23:39:36 +0100 |
commit | 2a03472262c05f965d7ba394ed35dc9867ba3095 (patch) | |
tree | 78959bcdc0e02606be527a77d491bcb2d2e04fbf /net/9p | |
parent | Linux 6.2-rc2 (diff) | |
download | linux-2a03472262c05f965d7ba394ed35dc9867ba3095.tar.xz linux-2a03472262c05f965d7ba394ed35dc9867ba3095.zip |
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>
Diffstat (limited to 'net/9p')
-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 |