Re: kern/38889

[yamt%mwd.biglobe.ne.jp@localhost (YAMAMOTO Takashi)]

The following reply was made to PR kern/38889; it has been noted by GNATS.

From: yamt%mwd.biglobe.ne.jp@localhost (YAMAMOTO Takashi)
To: gnats-bugs%NetBSD.org@localhost
Cc: kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost,
        netbsd-bugs%netbsd.org@localhost, ad%netbsd.org@localhost
Subject: Re: kern/38889
Date: Thu, 24 May 2012 06:01:23 +0000 (UTC)

 hi,
 
 >  Forgot to mention: the obvious fix, avoiding the readahead handling
 >  if != VREG, does avoid the original problem, but now faulting-in of the
 >  mmaped page does not work any more.
 
 a guess: as VBLK's v_size is usually 0, genfs_getpages treats
 any requests as past EOF and bails out.
 
 YAMAMOTO Takashi
 
 >  
 >  Martin