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SubjectRE: As of 2.6.13-rc1 Fusion-MPT very slow
On Sat, 2005-08-06 at 21:12 +0000, Holger Kiehl wrote:
> I tried from 2.6.13-rc2-mm2 up to 2.6.13-rc4-mm1 and always get the following
> error when applying this patch:
> CC drivers/message/fusion/mptbase.o
> CC drivers/message/fusion/mptscsih.o
> CC drivers/message/fusion/mptspi.o
> drivers/message/fusion/mptspi.c: In function â..mptspi_target_allocâ..:
> drivers/message/fusion/mptspi.c:113: error: invalid storage class for function â..mptspi_write_offsetâ..
> drivers/message/fusion/mptspi.c:114: error: invalid storage class for function â..mptspi_write_widthâ..
> drivers/message/fusion/mptspi.c:131: warning: implicit declaration of function â..mptspi_write_widthâ..
> drivers/message/fusion/mptspi.c: At top level:
> drivers/message/fusion/mptspi.c:453: warning: conflicting types for â..mptspi_write_widthâ..
> drivers/message/fusion/mptspi.c:453: error: static declaration of â..mptspi_write_widthâ.. follows non-static declaration
> drivers/message/fusion/mptspi.c:131: error: previous implicit declaration of â..mptspi_write_widthâ.. was here

This lot are all gcc-4 being silly about a declaration, as you noticed.
Still, there's no reason not to make the static functions declared at
the top of the file.

> drivers/message/fusion/mptspi.c:505: error: unknown field â..get_hold_mcsâ.. specified in initializer
> drivers/message/fusion/mptspi.c:505: warning: excess elements in struct initializer
> drivers/message/fusion/mptspi.c:505: warning: (near initialization for â..mptspi_transport_functionsâ..)
> drivers/message/fusion/mptspi.c:506: error: unknown field â..set_hold_mcsâ.. specified in initializer
> drivers/message/fusion/mptspi.c:506: warning: excess elements in struct initializer
> drivers/message/fusion/mptspi.c:506: warning: (near initialization for â..mptspi_transport_functionsâ..)
> drivers/message/fusion/mptspi.c:507: error: unknown field â..show_hold_mcsâ.. specified in initializer
> drivers/message/fusion/mptspi.c:507: warning: excess elements in struct initializer
> drivers/message/fusion/mptspi.c:507: warning: (near initialization for â..mptspi_transport_functionsâ..)

This is actually because -mm is slightly behind the scsi-misc tree. It
looks like the hold_mcs parameters haven't propagated into the -mm tree
yet. You should be able to correct this by cutting these three lines:

.get_hold_mcs = mptspi_read_parameters,
.set_hold_mcs = mptspi_write_hold_mcs,
.show_hold_mcs = 1,

Out of the code at lines 505-507. You'll get a warning about
mptspi_write_hold_mcs() being defined but not used which you can ignore.


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