---

yaml --- r: 263167 b: refs/heads/master c: 32c80b3 h: refs/heads/master i: 263165: 2ccc182 263163: a2354dd 263159: c5cab14 263151: 6bccc8b 263135: e8ff49b 263103: 94c111a 263039: 21e9f95 262911: 174b992 262655: 19858eb 262143: 10438bb v: v3
git-mirror · Aug 13, 2011 · b80f9c7 · b80f9c7
1 parent eddf90c
commit b80f9c7
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Showing 3 changed files with 13 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2581fdc810889fdea97689cb62481201d579c796
+refs/heads/master: 32c80b32c053dc52712dedac5e4d0aa7c93fc353
diff --git a/trunk/fs/ext4/inode.c b/trunk/fs/ext4/inode.c
@@ -2678,8 +2678,15 @@ static void ext4_end_io_buffer_write(struct buffer_head *bh, int uptodate)
 		goto out;
 	}
 
-	io_end->flag = EXT4_IO_END_UNWRITTEN;
+	/*
+	 * It may be over-defensive here to check EXT4_IO_END_UNWRITTEN now,
+	 * but being more careful is always safe for the future change.
+	 */
 	inode = io_end->inode;
+	if (!(io_end->flag & EXT4_IO_END_UNWRITTEN)) {
+		io_end->flag |= EXT4_IO_END_UNWRITTEN;
+		atomic_inc(&EXT4_I(inode)->i_aiodio_unwritten);
+	}
 
 	/* Add the io_end to per-inode completed io list*/
 	spin_lock_irqsave(&EXT4_I(inode)->i_completed_io_lock, flags);

diff --git a/trunk/fs/ext4/page-io.c b/trunk/fs/ext4/page-io.c
@@ -334,8 +334,10 @@ static int io_submit_add_bh(struct ext4_io_submit *io,
 	if ((io_end->num_io_pages >= MAX_IO_PAGES) &&
 	    (io_end->pages[io_end->num_io_pages-1] != io_page))
 		goto submit_and_retry;
-	if (buffer_uninit(bh))
-		io->io_end->flag |= EXT4_IO_END_UNWRITTEN;
+	if (buffer_uninit(bh) && !(io_end->flag & EXT4_IO_END_UNWRITTEN)) {
+		io_end->flag |= EXT4_IO_END_UNWRITTEN;
+		atomic_inc(&EXT4_I(inode)->i_aiodio_unwritten);
+	}
 	io->io_end->size += bh->b_size;
 	io->io_next_block++;
 	ret = bio_add_page(io->io_bio, bh->b_page, bh->b_size, bh_offset(bh));