![]() | |||||||||||
Messages in this thread |
Badari Pulavarty wrote: > > 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 ? If you don't have enough blocks to cover the request, you should probably just return -ENOSPC, not a partial allocation. > What about > if the > blocks already exists ? What would be return values in those cases ? 0 on success, other normal errors oetherwise.. If asked for a range that includes already-allocated blocks, you just allocate any non-allocated blocks in the range, I think. -Eric - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
| Last update: 2007-03-02 16:53 [from the cache] ©2003-2008 | |||||||||||