[PATCH v4 13/21] tftp: reduce block size on lookup requests

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Save some bytes on network traffic by reducing the server response for
lookup requests.

Signed-off-by: Enrico Scholz <enrico.scholz@xxxxxxxxxxxxxxxxx>
---
 fs/tftp.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/tftp.c b/fs/tftp.c
index 7181c58d1083..16e57daaef37 100644
--- a/fs/tftp.c
+++ b/fs/tftp.c
@@ -151,7 +151,9 @@ static int tftp_send(struct file_priv *priv)
 				'\0',	/* "timeout" */
 				TIMEOUT, '\0',
 				'\0',	/* "blksize" */
-				TFTP_MTU_SIZE);
+				/* use only a minimal blksize for getattr
+				   operations, */
+				priv->is_getattr ? TFTP_BLOCK_SIZE : TFTP_MTU_SIZE);
 		pkt++;
 
 		if (!priv->push)
-- 
2.37.2





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