lkml.org 
[lkml]   [2013]   [Feb]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH v2] fat: eliminate iterations in fat_search_long and __fat_readdir in case of EOD
Date
Namjae Jeon <linkinjeon@gmail.com> writes:

> From: Namjae Jeon <namjae.jeon@samsung.com>
>
> When doing lookups via fat_search_long(), we can stop checking for
> further entries if we detect End of Directory, i.e. if (de->name[0] ==
> 0x00).The current code traverses the cluster chain of a directory until a hit
> is found or till the last cluster for that directory, ignoring the EOD
> mark. Fix this.
>
> Likewise,when readdir(3) is called, we can stop checking for further
> entries in __fat_readdir() when we hit EOD.

Don't we need to change fat_get_short_entry()? And did this work
correctly about f_pos for readdir?

I'm not thinking about f_pos deeply though, it may have something
wrong. Because it stops at middle of cluster.

Thanks.
--
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>


\
 
 \ /
  Last update: 2013-02-07 13:41    [W:0.050 / U:0.412 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site