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SubjectRe: REGRESSION f54b311142a92ea2e42598e347b84e1655caf8e3 tcp auto corking slows down iSCSI file system creation by factor of 70 [WAS: 4 TB VMFS creation takes 15 minutes vs 26 seconds]
Hello Eric,

> Idea would be to set this flag when calling sendmsg() of the 48 bytes
> of the header, and not set it on the sendmsg() of the 512 bytes of the
> payload.

I see.

> iscsi_sw_tcp_xmit_segment() already adds MSG_MORE, but
> it would be nice to add a new _initial_ flags parameter to
> iscsi_sw_tcp_xmit_segment()

This is for the iscsi initiator implementation. I'm interested in iSCSI
target code, but I already found it and experiemented a little bit, but
I need to dig deeper if I want to prepare a patch.

Cheers,
Thomas


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