[JFFS2] Reschedule in loops

Make JFFS2 nicer and teach it to call cond_resched() in loops
which may be quite large.

Signed-off-by: Artem Bityutskiy <dedekind@infradead.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/jffs2/scan.c b/fs/jffs2/scan.c
index a167e1c5d024..3af746eaff0e 100644
--- a/fs/jffs2/scan.c
+++ b/fs/jffs2/scan.c
@@ -139,6 +139,8 @@ int jffs2_scan_medium(struct jffs2_sb_info *c)
         for (i=0; i<c->nr_blocks; i++) {
                 struct jffs2_eraseblock *jeb = &c->blocks[i];
 
+                cond_resched();
+
                 /* reset summary info for next eraseblock scan */
                 jffs2_sum_reset_collected(s);