tree 3073fd9bc1e4aff5f01422eae96fca9110542bf8
parent 470ca046b1e682c419d50efc8d4941db1b8601d9
author Darrick J. Wong <darrick.wong@oracle.com> 1381247483 -0400
committer Theodore Ts'o <tytso@mit.edu> 1381247486 -0400

libext2fs: fix off-by-one error in file truncation

When told to truncate a file, ext2fs_file_set_size2() should start with
the first block past the end of the file.  The current calculation
jumps one more block ahead, with the result that it fails to hack off
the last block.  Adding blocksize-1 and dividing is sufficient to find
the last block.

Reviewed-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>