tree db7d324b995ff5fe74dcce00c9bf8c4da3adc5e3
parent 6c5a6cb998854f3c579ecb2bc1423d302bcb1b76
author Jan Kara <jack@suse.cz> 1294680639 -0500
committer Theodore Ts'o <tytso@mit.edu> 1294680639 -0500

ext4: fix trimming of a single group

When ext4_trim_fs() is called to trim a part of a single group, the
logic will wrongly set last block of the interval to 'len' instead
of 'first_block + len'. Thus a shorter interval is possibly trimmed.
Fix it.

CC: Lukas Czerner <lczerner@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>