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Commit a2166b93 authored Dec 28, 2006 by Artem Bityutskiy

[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>

parent 85de3d9b

fs/jffs2/scan.c

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -139,6 +139,8 @@ int jffs2_scan_medium(struct jffs2_sb_info *c)
	for (i=0; i<c->nr_blocks; i++) {		for (i=0; i<c->nr_blocks; i++) {
	struct jffs2_eraseblock *jeb = &c->blocks[i];		struct jffs2_eraseblock *jeb = &c->blocks[i];

			cond_resched();

	/* reset summary info for next eraseblock scan */		/* reset summary info for next eraseblock scan */
	jffs2_sum_reset_collected(s);		jffs2_sum_reset_collected(s);

fs/jffs2/summary.c

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -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++) {		for (i=0; i<je32_to_cpu(summary->sum_num); i++) {
	dbg_summary("processing summary index %d\n", i);		dbg_summary("processing summary index %d\n", i);

			cond_resched();

	/* Make sure there's a spare ref for dirty space */		/* Make sure there's a spare ref for dirty space */
	err = jffs2_prealloc_raw_node_refs(c, jeb, 2);		err = jffs2_prealloc_raw_node_refs(c, jeb, 2);
	if (err)		if (err)