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Content-Type: TEXT/PLAIN; charset=US-ASCII
On Tue, 22 Jun 1999, Alexander Viro wrote:
> News:
> * the only function in fs/file-table.c that still needs the big lock
> is fput(). And only for two calls. The rest is SMP-safe.
> * inuse_filp is no more. Instead of the one huge list we are keeping
> per-superblock lists + per-tty lists + anonymous list (pipes and sockets).
> That should speed up tty layer - it used to run through the whole list,
> procfs stuff (on proc_unregister() - it did the same) and quota (we don't
> have to traverse the whole list anymore).
> * New type: struct file_list (fs.h). Header for the file list.
> struct file contains the pointer to file_list (f_list). super_block and
> tty_struct contain struct file_list (s_files and tty_files resp.).
> * New function: file_move(struct file*, struct file_list*); moves
> the file to list. SMP-safe. If device driver wants to keep a list of files
> - fine, just move them (in ->open()) to a private list. BTW, AF_UNIX
> garbage collector will win big way from such change, but I didn't do it
> yet (per-PF lists).
>
> I'll post cleaner version this evening. Patch is against 2.3.8-pre2.
Aargh... My apologies, folks - I've posted the wrong version (which
wouldn't compile, to start with ;-/). Oh, well... Anyway, here is the
right variant after some cleanup. Against 2.3.8. Sorry about that ;-/
Wearing brown paperbag,
Al
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