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(parent: 3d8874c) | patch
ext4: fix trimming of a single group
authorJan Kara <jack@suse.cz>
Mon, 10 Jan 2011 17:30:39 +0000 (12:30 -0500)
committerGreg Kroah-Hartman <gregkh@suse.de>
Thu, 17 Feb 2011 23:14:20 +0000 (15:14 -0800)
commit3d597eb5d470de0073e9e7feaa7413918699579b
tree9082270c8b782441b25285ae70ee77b587a7a3cctree | snapshot
parent3d8874cb3422508a5cfa2658ef9f3d8ecd923a40commit | diff
ext4: fix trimming of a single group

commit ca6e909f9bebe709bc65a3ee605ce32969db0452 upstream.

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>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
fs/ext4/mballoc.c diff | blob | history
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