Re: Should block-number-in-file vars be using blkcnt_t?

Andreas Dilger <[email protected]> Mon, 21 Aug 2006 14:50:23 -0600
Newsgroups gmane.comp.file-systems.ext2.devel
Message-ID <[email protected]>
On Aug 21, 2006  10:31 -0500, Eric Sandeen wrote:
> The blkcnt_t type recently went into to 2.6 to handle "large single 
> files" as a configuration option; i.e. more than 32 bits of blocks in a 
> file offset.  Right now this seems to be used only in the inode's 
> i_blocks field.  Looking over Takashi Sato's patches to increase the 
> maximum size of a file in ext3, I wonder if it might be a good idea to 
> start using blkcnt_t in ext3, wherever we are counting blocks in a file?

I think Takashi also submitted a follow-on patch to introduce ext3_blkcnt
for this purpose.  It makes the code more clear as to what type of block
number is being used, and facilitates increasing this number.

Cheers, Andreas
--
Andreas Dilger
Principal Software Engineer
Cluster File Systems, Inc.


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