Hi,
> - Specify the target area in a file using the following structure:
> struct ext3_ext_defrag_data {
> loff_t start_offset; /* start offset to defrag in bytes */
> loff_t defrag_size; /* size of defrag in bytes */
> }
> It uses loff_t so that the size of the structure is identical on
> both 32 bits and 64 bits architecture.
> Block allocation, including searching for the free contiguous
> blocks, is implemented in kernel.
NAK the ioctl approach.
I agree it shouldn't go into mainline this way, but while the details of
the proper interface are debated, this implementation at least allows
the core function to be tested & reviewed.
People who like ioctls are just holdovers from non-Linux OS's.
Thank you for your comments.
My patches are at the experimental phase and the ioctl approach is
the provisional solution.
But I intend to continue this work with ioctl approach, if there are no
actual problems.
Cheers, Takashi
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