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    Subject[patch 03/73] dm crypt: fix write endio

    2.6.23-stable review patch. If anyone has any objections, please let us know.
    ------------------
    From: Milan Broz <mbroz@redhat.com>

    patch adfe47702c4726b3e045f9f83178def02833be4c in mainline.

    Fix BIO_UPTODATE test for write io.

    Signed-off-by: Milan Broz <mbroz@redhat.com>
    Signed-off-by: Alasdair G Kergon <agk@redhat.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

    ---
    drivers/md/dm-crypt.c | 7 ++++---
    1 file changed, 4 insertions(+), 3 deletions(-)

    --- a/drivers/md/dm-crypt.c
    +++ b/drivers/md/dm-crypt.c
    @@ -515,6 +515,9 @@ static int crypt_endio(struct bio *clone
    struct crypt_config *cc = io->target->private;
    unsigned read_io = bio_data_dir(clone) == READ;

    + if (unlikely(!bio_flagged(clone, BIO_UPTODATE) && !error))
    + error = -EIO;
    +
    /*
    * free the processed pages, even if
    * it's only a partially completed write
    @@ -529,10 +532,8 @@ static int crypt_endio(struct bio *clone
    if (!read_io)
    goto out;

    - if (unlikely(!bio_flagged(clone, BIO_UPTODATE))) {
    - error = -EIO;
    + if (unlikely(error))
    goto out;
    - }

    bio_put(clone);
    io->post_process = 1;
    --


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