RE: Stat() call speed-up

RE: Stat() call speed-up

[Sergey Okhapkin]

James Dumser wrote:

> I'm interested. Did you modify the "creation" side of things (e.g., the
> system calls behind chmod +x & ln -s) or are you still relying on a
> script to set those bits?
>

If file contains ".UNIXATTR" EA, it will be used, if not - original winsup 
code will do all the work. Syscalls chmod(), open/create and symlink() 
tries to set this EA.

--
Sergey Okhapkin
Moscow, Russia
Looking for a job.


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Re: Stat() call speed-up

[James Dumser]

On Sat, 29 Mar 1997 14:52:44 +0300, you wrote:
>Yes, my game with archive bit wasn't good. For a now a have a new patch 
>(with the same idea), but it uses Extended Attributes of files to save 
>"executable" and "symlink" flags. This patch works on NT only (both ntfs 
>and fat), and does nothing on Windows 95. If anybody are interesting in 
>this patch, I'll post it here.
>
>BTW, EA can be used in cygwin.dll for some other purposes. To save case 
>sensitive names, for example :-)

I'm interested. Did you modify the "creation" side of things (e.g., the
system calls behind chmod +x & ln -s) or are you still relying on a
script to set those bits?

-- 
James Dumser    972-462-5335 dumser@ti.com
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RE: Stat() call speed-up

[Sergey Okhapkin]

Jim Balter wrote:
> > Yes, my game with archive bit wasn't good. For a now a have a new patch
> > (with the same idea), but it uses Extended Attributes of files to save
> > "executable" and "symlink" flags. This patch works on NT only (both 
ntfs
> > and fat), and does nothing on Windows 95. If anybody are interesting in
> > this patch, I'll post it here.
>
> I'm sure we're interested.
>
> How does EA work for FAT?  Isn't that an NTFS feature?

Yes, EA works for FAT (the same way like in OS/2 - EAs are stored in file 
"ea data. sf" in volume root directory). This patch also adds statfs() and 
fstatfs() syscalls to cygwin.dll, so add this two exports to cygwin.def.

  

--
Sergey Okhapkin
Moscow, Russia
Looking for a job

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`
end

begin 600 vfs.h
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M<F5E(&)L;V-K<R!I;B!F<R J+PT*(" @;&]N9R @("!F7V)A=F%I;#L@(" O
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M8W0@<W1A=&9S("IB=68I.PT*:6YT(&9S=&%T9G,H:6YT(&9D+"!S=')U8W0@
M<W1A=&9S("IB=68I.PT*#0HC:69D968@7U]C<&QU<W!L=7,-"GT[#0HC96YD
M:68@+RH@7U]C<&QU<W!L=7,@*B\-"@T*#0HC96YD:68@+RI?4UE37U9&4U](
#7RHO
`
end

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Stat() call speed-up

[Sergey Okhapkin]

Hi!

Yes, my game with archive bit wasn't good. For a now a have a new patch 
(with the same idea), but it uses Extended Attributes of files to save 
"executable" and "symlink" flags. This patch works on NT only (both ntfs 
and fat), and does nothing on Windows 95. If anybody are interesting in 
this patch, I'll post it here.

BTW, EA can be used in cygwin.dll for some other purposes. To save case 
sensitive names, for example :-)

--
Sergey Okhapkin
Moscow, Russia
Looking for a job

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