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ksmbd: increase SMB3_DEFAULT_TRANS_SIZE from 1MB to 4MB

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This patch raises `SMB3_DEFAULT_TRANS_SIZE` to 4MB to align it with
`smb2 max read/write`. This allows better I/O negotiation with modern
clients and improves sequential read/write performance on high-speed
networks.

Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Namjae Jeon
2026-06-22 10:16:41 +09:00
committed by Steve French
parent 474fd91f38
commit 4429b56506
1 changed files with 1 additions and 1 deletions
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2
fs/smb/server/smb2pdu.h
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@@ -23,7 +23,7 @@
#define MAX_SMB2_HDR_SIZE 0x78 /* 4 len + 64 hdr + (2*24 wct) + 2 bct + 2 pad */
#define SMB21_DEFAULT_IOSIZE (1024 * 1024)
#define SMB3_DEFAULT_TRANS_SIZE (1024 * 1024)
#define SMB3_DEFAULT_TRANS_SIZE (4 * 1024 * 1024)
#define SMB3_MIN_IOSIZE (64 * 1024)
#define SMB3_MAX_IOSIZE (8 * 1024 * 1024)
#define SMB3_MAX_MSGSIZE (4 * 4096)