Displaying 8 results from an estimated 8 matches for "blk_bits".
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2018 Dec 03
1
Re: [PATCH nbdkit v2] common: Move shared bitmap code to a common library.
On 12/2/18 10:33 AM, Richard W.M. Jones wrote:
> The cow and cache filters both use a bitmap mapping virtual disk
> blocks to status stored in the bitmap. The implementation of the
> bitmaps is very similar because one was derived from the other when
> the filters were implemented.
>
> The main difference is the cow filter uses a simple bitmap (one bit
> per block), whereas
2018 Dec 03
3
[PATCH nbdkit v3] common: Move shared bitmap code to a common library.
v2:
https://www.redhat.com/archives/libguestfs/2018-December/msg00039.html
v2 -> v3:
- Fix all the issues raised in Eric's review.
- Precompute some numbers to make the calculations easier.
- Calculations now use bitshifts and masks in preference to division
and modulo.
- Clear existing bits before setting (which fixes a bug in the cache
filter).
Rich.
2018 Dec 02
2
[PATCH nbdkit v2] common: Move shared bitmap code to a common library.
This is exactly the same as v1:
https://www.redhat.com/archives/libguestfs/2018-December/msg00004.html
except that it now frees the bitmap on unload (which the old code did
not - there was always a memory leak).
Rich.
2018 Dec 01
0
[PATCH nbdkit] common: Move shared bitmap code to a common library.
The cow and cache filters both use a bitmap mapping virtual disk
blocks to status stored in the bitmap. The implementation of the
bitmaps is very similar because one was derived from the other when
the filters were implemented.
The main difference is the cow filter uses a simple bitmap (one bit
per block), whereas the cache filter uses two bits per block.
This commit abstracts the bitmap
2018 Dec 02
0
[PATCH nbdkit v2] common: Move shared bitmap code to a common library.
The cow and cache filters both use a bitmap mapping virtual disk
blocks to status stored in the bitmap. The implementation of the
bitmaps is very similar because one was derived from the other when
the filters were implemented.
The main difference is the cow filter uses a simple bitmap (one bit
per block), whereas the cache filter uses two bits per block.
This commit abstracts the bitmap
2018 Dec 03
0
[PATCH nbdkit v3] common: Move shared bitmap code to a common library.
The cow and cache filters both use a bitmap mapping virtual disk
blocks to status stored in the bitmap. The implementation of the
bitmaps is very similar because one was derived from the other when
the filters were implemented.
The main difference is the cow filter uses a simple bitmap (one bit
per block), whereas the cache filter uses two bits per block.
This commit abstracts the bitmap
2018 Dec 01
2
[PATCH nbdkit] common: Move shared bitmap code to a common library.
I have some patches I'm working on to fix the cache filter.
However this is a prelude. It should be simply pure refactoring.
All tests pass still.
Rich.
2009 Dec 14
1
Applied the generic path searching to ISOLINUX
Hi all,
I just applied the generic path searching to ISOLINUX, and you can
check it here:
http://git.zytor.com/?p=users/liu/gsoc09_liu.git
since commit 4bb194f14a43674cced3a8c35d5e625e59db32dc.
hpa, for now, all the fs code have been converted to new-style
interface and I have done my best to make all the fs C code be clean
and readable. Well, it would be great if you take a minute to