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SubjectRe: [RFC] my current kernel todo list

On Mon, 4 Sep 2000, Tigran Aivazian wrote:

> Hi Arnaldo,
> That is a very decent list you have got there. How about to add to
> it:
> - go through all filesystems and convert them from using
> mark_buffer_dirty(bh, [0,1]) to just mark_buffer_dirty(bh) since the flag
> is now ignored and all buffers are flushed at equal intervals. Also,
> change the exported interface, of course.
> Conceptually simple, but a lot (at least 3 hours) of work.

Are you kidding? In nvi:

iI:Vi ^V<ESC>f:r^V
ifind . -name '*.[chS]'|xargs grep -nw mark_buffer_dirty /dev/null<ESC>!!sh

and then press @b on the obvius lines. Doing the rest by hands will not
take anywhere near 3 hours. I'm not saying that it's the most elegant way
to write such macro, but it will work (<ESC> stands for Esc and ^V for
Ctrl-V, indeed).

Translation for vi-impaired: first 3 lines enter the string
I:Vi ^[f:r^M;CG/mark_buffer_dirty/^Mw%dF,:x^[2k"ad3d@a
and move it into buffer b. The next line inserts the obvious command
and filters it through sh, giving you the list of all instances of

After that, @b would execute the macro stored in buffer b, that is
insert ':Vi ' in the beginning of line
find first ':' after it
replace it with <CR>
repeat the last search (== find next ':')
replace it and the rest of line with
[at that point you have
:Vi <file>
where your line was]
go 2 lines up
move 3 lines into buffer a
execute macro stored in a, that is
open a new window that would contain <file>
go to line number <line>
search for mark_buffer_dirty
go to the next word (that will be'(')
go to the corresponding ')'
delete back to the ','
save file and close the window

IOW, @b goes to the corresponding instance of mark_buffer_dirty and
removes the second argument. That's it.

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