On 18.11.2019 13:08, Rin Okuyama wrote:
> On 2019/11/18 20:15, Kamil Rytarowski wrote:
>> I was thinking about something along these lines:
>>
>> http://netbsd.org/~kamil/patch-00196-siginfo_netbsd32_compat_uint64.txt
>>
>> In future some compat of i386 could use 8-byte alignment for 64-bit
>> type
On Mon, Nov 18, 2019 at 02:26:17PM -0800, Jason Thorpe wrote:
> > On Nov 18, 2019, at 1:13 PM, Mouse wrote:
> > All you need is a second magic block number. Block number zero is
> > already reserved for holes. Making, say, block number 1, or -1, or
> > some such, reserved to represent "block-of-
>You don't have to know where to write. Strictly speaking you only need to know
>that the space is reserved. We do
>have enough magic block numbers that could serve as a marker. E.g. anything up
>to the end of the first super block
>isn't allocatable. And there are enough spare fields in the fs,
> You don't have to know where to write. Strictly speaking you only need
> to know that the space is reserved.
Strictly speaking, yes. But callers of fallocate may expect that the space
is not only available, mut more-or-less contiguous---as if zeroes had actually
been written. I.e., when demult
>> You don't have to know where to write. Strictly speaking you only
>> need to know that the space is reserved.
Right.
> One thing that I am missing here is: if you would keep info about reservatio$
You don't need to know history. You just need to know how many blocks
are available to be newl
