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. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html