[haiku-bugs] Re: [Haiku] #3723: Improving disk performance by changing VirtualMemory path
- From: "bonefish" <trac@xxxxxxxxxxxx>
- Date: Sat, 11 Jun 2011 20:05:18 -0000
#3723: Improving disk performance by changing VirtualMemory path
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Reporter: haiqu | Owner: axeld
Type: enhancement | Status: new
Priority: normal | Milestone: R1
Component: Preferences/VirtualMemory | Version: R1/pre-alpha1
Resolution: | Keywords:
Blocked By: | Blocking:
Has a Patch: 0 | Platform: All
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Comment (by bonefish):
Replying to [comment:1 hamish]:
> Is it acceptable to use the C++ APIs in the kernel code -- in order to
test for free space on drives and such -- or would it be preferable to use
C functions such as those defined in kernel/fs_info.h?
Most C++ API is simple not available in the kernel. Also only part of the
userland C API is implemented in the kernel. You might need to use the
private kernel API. E.g. for getting information about and manipulating
disk devices, the disk device manager interface can be used (cf.
[http://dev.haiku-
os.org/browser/haiku/trunk/headers/private/kernel/disk_device_manager
haiku/trunk/headers/private/kernel/disk_device_manager]).
> Where should the swap file be stored on drives that aren't the boot
drive? Simply in the root directory of the drive, or in /drive/var?
I'd store it in the root directory or make that user-configurable.
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Ticket URL: <http://dev.haiku-os.org/ticket/3723#comment:2>
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