Re: [RFC] Heads up on sys_fallocate()

[Badari Pulavarty]

Amit K. Arora wrote:

> This is to give a heads up on few patches that we will be soon coming up
> with. These patches implement a new system call sys_fallocate() and a
> new inode operation "fallocate", for persistent preallocation. The new
> system call, as Andrew suggested, will look like:
>
>  asmlinkage long sys_fallocate(int fd, loff_t offset, loff_t len);
I am wondering about return values from this syscall ? Is it supposed to 
return the
number of bytes allocated ? What about partial allocations ? What about 
if the
blocks already exists ? What would be return values in those cases ?

Just curious .. What does posix_fallocate() return ?

Thanks,
Badari

>



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