Teach ext2fs_extent_insert() to split the current node if necessary

If ext2fs_extent_insert finds that the requested node
for insertion is full, it will currently fail.

With this patch it will split as necessary to make room, unless an
EXT2_EXTENT_INSERT_NOSPLIT flag is passed to it.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2 files changed