[JFFS2] Reschedule in loops

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=a2166b933ef9099b4fa6860b165e6dac553a97aa
Commit:     a2166b933ef9099b4fa6860b165e6dac553a97aa
Parent:     85de3d9bc779c198f8667cffc291b0ecad082b5e
Author:     Artem Bityutskiy <dedekind at infradead.org>
AuthorDate: Thu Dec 28 12:01:41 2006 +0200
Committer:  Artem Bityutskiy <dedekind at infradead.org>
CommitDate: Wed Jan 10 14:01:00 2007 +0200

    [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 at infradead.org>
---
 fs/jffs2/scan.c    |    2 ++
 fs/jffs2/summary.c |    2 ++
 2 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/fs/jffs2/scan.c b/fs/jffs2/scan.c
index a167e1c..3af746e 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);
 
diff --git a/fs/jffs2/summary.c b/fs/jffs2/summary.c
index c4f7e47..2526596 100644
--- a/fs/jffs2/summary.c
+++ b/fs/jffs2/summary.c
@@ -396,6 +396,8 @@ static int jffs2_sum_process_sum_data(struct jffs2_sb_info *c, struct jffs2_eras
 	for (i=0; i<je32_to_cpu(summary->sum_num); i++) {
 		dbg_summary("processing summary index %d\n", i);
 
+		cond_resched();
+
 		/* Make sure there's a spare ref for dirty space */
 		err = jffs2_prealloc_raw_node_refs(c, jeb, 2);
 		if (err)