[PATCH 2/2] writeback: fix range handling

[OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>]

reiser4 doesn't check wbc->end, and perhaps it does not use cyclic
behavior. So, I guess this is ok.

Could you review this?
---

 fs/reiser4/entd.c             |    8 ++++----
 fs/reiser4/plugin/file/file.c |    2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff -puN fs/reiser4/entd.c~wbc-range-cleanup-reiser4 fs/reiser4/entd.c
--- linux-2.6-akpm/fs/reiser4/entd.c~wbc-range-cleanup-reiser4	2006-04-06 05:44:56.000000000 +0900
+++ linux-2.6-akpm-hirofumi/fs/reiser4/entd.c	2006-04-06 05:44:56.000000000 +0900
@@ -265,14 +265,14 @@ static void entd_flush(struct super_bloc
 	init_stack_context(&ctx, super);
 	ctx.entd = 1;
 
-	rq->wbc->start = rq->page->index << PAGE_CACHE_SHIFT;
-	rq->wbc->end = (rq->page->index + ENTD_CAPTURE_APAGE_BURST) << PAGE_CACHE_SHIFT;
+	rq->wbc->range_start = rq->page->index << PAGE_CACHE_SHIFT;
+	rq->wbc->range_end = (rq->page->index + ENTD_CAPTURE_APAGE_BURST) << PAGE_CACHE_SHIFT;
 	tmp = rq->wbc->nr_to_write;
 	rq->mapping->a_ops->writepages(rq->mapping, rq->wbc);
 
 	if (rq->wbc->nr_to_write > 0) {
-		rq->wbc->start = 0;
-		rq->wbc->end = 0;
+		rq->wbc->range_start = 0;
+		rq->wbc->range_end = LLONG_MAX;
 		generic_sync_sb_inodes(super, rq->wbc);
 	}
 	rq->wbc->nr_to_write = ENTD_CAPTURE_APAGE_BURST;
diff -puN fs/reiser4/plugin/file/file.c~wbc-range-cleanup-reiser4 fs/reiser4/plugin/file/file.c
--- linux-2.6-akpm/fs/reiser4/plugin/file/file.c~wbc-range-cleanup-reiser4	2006-04-06 05:44:56.000000000 +0900
+++ linux-2.6-akpm-hirofumi/fs/reiser4/plugin/file/file.c	2006-04-06 05:44:56.000000000 +0900
@@ -1550,7 +1550,7 @@ writepages_unix_file(struct address_spac
 		result = 0;
 		goto end;
 	}
-	jindex = pindex = wbc->start >> PAGE_CACHE_SHIFT;
+	jindex = pindex = wbc->range_start >> PAGE_CACHE_SHIFT;
 	result = 0;
 	nr_pages =
 	    (i_size_read(inode) + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
_
-
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