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SubjectRe: [CFT][PATCH] Re: fat problem in 2.4.2

On Thursday, March 01, 2001 12:05:50 PM -0800 Linus Torvalds
<> wrote:

> In article <>,
> Alexander Viro <> wrote:
>> Alan, fix is really quite simple. Especially if you have vmtruncate()
>> returning int (ac1 used to do it, I didn't check later ones). Actually
>> just a generic_cont_expand() done on expanding path in vmtruncate()
>> will be enough - it should be OK for all cases, including normal
>> filesystems. <grabbing -ac7>
>> OK, any brave soul to test that? All I can promise that it builds.
> This looks like it would create a dummy block even for non-broken
> filesystems (ie truncating a file to be larger on ext2 would create a
> block, no?). While that would work, it would also waste disk-space.

Another idea is to create the hole for new_file_size + [one block], and
then truncate that block off the end of the file, leaving nothing but the
hole. I'll never admit to suggesting it though.


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