On Mar 14, 2008 21:02 +0900, Akira Fujita wrote:
> How about renaming this structure from ext4_extent_data to
> ext4_extent_info which used the extent in-core structure
> and put it into ext4_fs_extents.h?
> Because in-core super_block is ext4_sb_info.
>
> /*
> * This is the extent in-core structure.
> */
> struct ext4_extent_info {
> ext4_lblk_t ee_block; /* first logical block extent covers */
> int ee_len; /* number of blocks covered by extent */
> ext4_fsblk_t ee_start; /* first physical block extent covers */
> };
Would it be possible to use the FIEMAP interface to get the file mapping
data to userspace? That would avoid the need to have a second ioctl
with nearly the same data.
Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.
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