On Fri, Aug 07, 2015 at 12:51:18PM +0200, Jan Kara wrote: > From: Jan Kara <jack@xxxxxxx> > > Signed-off-by: Jan Kara <jack@xxxxxxx> <snip> > diff --git a/lib/ext2fs/extent_map.c b/lib/ext2fs/extent_map.c > new file mode 100644 > index 000000000000..702172b24e2b > --- /dev/null > +++ b/lib/ext2fs/extent_map.c > @@ -0,0 +1,233 @@ > +/* > + * extent.c --- ext2 extent mapping abstraction > + * > + * This abstraction is used to provide a compact way of representing a > + * translation table, for moving multiple contiguous ranges (extents) > + * of blocks or inodes. > + * > + * Copyright (C) 1997, 1998 by Theodore Ts'o and > + * PowerQuest, Inc. > + * > + * Copyright (C) 1999, 2000 by Theosore Ts'o Ted should probably weigh in on this amazing coincidence in contributors :) but this I suspect is a spelling error waiting a long time to be fixed. > + * > + * %Begin-Header% <snip> > diff --git a/lib/ext2fs/move.h b/lib/ext2fs/move.h > new file mode 100644 > index 000000000000..8d66aa039ec0 > --- /dev/null > +++ b/lib/ext2fs/move.h > @@ -0,0 +1,23 @@ > +#ifndef _EXT2FS_MOVE_H > +#define _EXT2FS_MOVE_H > + > +#include "ext2fs.h" > + > +typedef struct _ext2_map_extent *ext2_map_extent; > + > +/* extent_map.c */ > +extern int ext2fs_extent_table_empty(ext2_map_extent extent); > +extern errcode_t ext2fs_create_extent_table(ext2_map_extent *ret_extent, > + __u64 size); > +extern void ext2fs_free_extent_table(ext2_map_extent extent); > +extern errcode_t ext2fs_add_extent_entry(ext2_map_extent extent, > + __u64 old_loc, __u64 new_loc); > +extern __u64 ext2fs_extent_translate(ext2_map_extent extent, __u64 old_loc); > +extern errcode_t ext2fs_iterate_extent(ext2_map_extent extent, __u64 *old_loc, > + __u64 *new_loc, __u64 *size); > + > +/* move.c */ > +errcode_t ext2fs_move_blocks(ext2_filsys fs, ext2fs_block_bitmap move_map, > + ext2fs_block_bitmap reuse_map); > + > +#endif Hmm... are these functions intended for use by client programs? I'm accustomed to looking in ext2fs.h for such functions. --D > -- > 2.1.4 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html