lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite for Android: free password hash cracker in your pocket
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Fri, 24 Sep 2010 11:03:51 -0600
From:	Andreas Dilger <>
To:	Lukas Czerner <>
Subject: Re: [PATCH 1/3] Add ioctl FITRIM.

On 2010-09-24, at 09:35, Lukas Czerner wrote:
> array[0] - (start) first Byte to trim
> array[1] - (len) number of Bytes to trim from start
> array[2] - (minlen) minimum extent length to trim, free extents shorter
> than this number of Bytes will be ignored. This number will be rounded
> up to the block size.
> It is also possible to specify NULL as an argument. In this case the
> arguments will set itself as follows:
> args[0] = 0;
> args[1] = ULLONG_MAX;
> args[2] = 0;

(minor) you use "array[]" in one place and "args[]" in another.

> +#define FITRIM		_IOWR('X', 121, uint64_t)	/* Trim */

This ioctl definition isn't strictly correct.  The "size" parameter is actually uint64_t[3], though I'm not sure whether you need to define a structure in order to specify this.

Cheers, Andreas

To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to
More majordomo info at

Powered by blists - more mailing lists