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authorDavid Howells <dhowells@redhat.com>2023-05-22 15:50:00 +0200
committerJens Axboe <axboe@kernel.dk>2023-05-24 16:42:16 +0200
commit67178fd066d53d5a6cada1cdc6399d02b68b708e (patch)
treedc9b215e3ff2acaeeb02eef20726b4b0a80a4b14 /net/socket.c
parenttty, proc, kernfs, random: Use copy_splice_read() (diff)
downloadlinux-67178fd066d53d5a6cada1cdc6399d02b68b708e.tar.xz
linux-67178fd066d53d5a6cada1cdc6399d02b68b708e.zip
net: Make sock_splice_read() use copy_splice_read() by default
Make sock_splice_read() use copy_splice_read() by default as file_splice_read() will return immediately with 0 as a socket has no pagecache and is a zero-size file. Signed-off-by: David Howells <dhowells@redhat.com> cc: "David S. Miller" <davem@davemloft.net> cc: Eric Dumazet <edumazet@google.com> cc: Jakub Kicinski <kuba@kernel.org> cc: Paolo Abeni <pabeni@redhat.com> cc: Christoph Hellwig <hch@lst.de> cc: Al Viro <viro@zeniv.linux.org.uk> cc: Jens Axboe <axboe@kernel.dk> cc: netdev@vger.kernel.org cc: linux-block@vger.kernel.org cc: linux-mm@kvack.org Link: https://lore.kernel.org/r/20230522135018.2742245-14-dhowells@redhat.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'net/socket.c')
-rw-r--r--net/socket.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/socket.c b/net/socket.c
index b7e01d0fe082..401778380195 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1093,7 +1093,7 @@ static ssize_t sock_splice_read(struct file *file, loff_t *ppos,
struct socket *sock = file->private_data;
if (unlikely(!sock->ops->splice_read))
- return generic_file_splice_read(file, ppos, pipe, len, flags);
+ return copy_splice_read(file, ppos, pipe, len, flags);
return sock->ops->splice_read(sock, ppos, pipe, len, flags);
}