VisionFive2 Linux kernel

StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)

More than 9999 Commits   32 Branches   54 Tags
author: Miquel van Smoorenburg <mikevs@xs4all.net> 2009-01-06 14:39:02 -0800 committer: Linus Torvalds <torvalds@linux-foundation.org> 2009-01-06 15:58:59 -0800 commit: 38c8e6180939e5619140b2e9e479cb26029ff8b1 parent: 75aa199410359dc5fbcf9025ff7af98a9d20f0d5
Commit Summary:
do_mpage_readpage(): don't submit lots of small bios on boundary
Diffstat:
1 file changed, 4 insertions, 1 deletion
diff --git a/fs/mpage.c b/fs/mpage.c
index 552b80b3facc..46e977efd50a 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -308,7 +308,10 @@ alloc_new:
 		goto alloc_new;
 	}
 
-	if (buffer_boundary(map_bh) || (first_hole != blocks_per_page))
+	relative_block = block_in_file - *first_logical_block;
+	nblocks = map_bh->b_size >> blkbits;
+	if ((buffer_boundary(map_bh) && relative_block == nblocks) ||
+	    (first_hole != blocks_per_page))
 		bio = mpage_bio_submit(READ, bio);
 	else
 		*last_block_in_bio = blocks[blocks_per_page - 1];