Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi...

[pandora-kernel.git] / fs / ext4 / page-io.c

diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 7bb8f76..78839af 100644 (file)
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -285,11 +285,7 @@ static int io_submit_init(struct ext4_io_submit *io,
        io_end = ext4_init_io_end(inode, GFP_NOFS);
        if (!io_end)
                return -ENOMEM;
-       do {
-               bio = bio_alloc(GFP_NOIO, nvecs);
-               nvecs >>= 1;
-       } while (bio == NULL);
-
+       bio = bio_alloc(GFP_NOIO, min(nvecs, BIO_MAX_PAGES));
        bio->bi_sector = bh->b_blocknr * (bh->b_size >> 9);
        bio->bi_bdev = bh->b_bdev;
        bio->bi_private = io->io_end = io_end;
@@ -338,8 +334,10 @@ submit_and_retry:
        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));