Commit 09f363c7 authored 13 years ago by Mikulas Patocka Committed by Linus Torvalds 13 years ago

vmscan: fix shrinker callback bug in fs/super.c


The callback must not return -1 when nr_to_scan is zero. Fix the bug in
fs/super.c and add this requirement to the callback specification.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: Dave Chinner <david@fromorbit.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>