Squashfs: fix f_pos check in get_dir_index_using_offset
authorPhillip Lougher <phillip@squashfs.org.uk>
Fri, 9 Mar 2012 02:27:49 +0000 (02:27 +0000)
committerPhillip Lougher <phillip@squashfs.org.uk>
Sat, 10 Mar 2012 03:01:02 +0000 (03:01 +0000)
commit2158d3fd2769546cd9004eaeb776fee946155238
treefbaa85fc0635c7a968b969ac1795cf2e79ddbcfa
parent47f4396e516639eb8cbd660e1c1c356b5a80aa25
Squashfs: fix f_pos check in get_dir_index_using_offset

One off error in the f_pos check.  If f_pos is 3 or less don't
bother reading the index because we're at the start of the
directory, and we obviously already know where that is on disk.

This eliminates an unnecessary read.

Signed-off-by: Phillip Lougher <phillip@squashfs.org.uk>
fs/squashfs/dir.c