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    Subject[PATCH 11/12] ext4 balloc: use io_error label
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    ------------------------------------------------------
    Subject: ext2 balloc: use io_error label
    From: Hugh Dickins <hugh@veritas.com>

    ext2_new_blocks has a nice io_error label for setting -EIO, so goto that in
    the one place that doesn't already use it.

    ------------------------------------------------------
    Fix it in ext4_new_blocks.

    Signed-off-by: Mingming Cao <cmm@us.ibm.com>


    ---

    linux-2.6.19-rc5-cmm/fs/ext4/balloc.c | 6 ++----
    1 file changed, 2 insertions(+), 4 deletions(-)

    diff -puN fs/ext4/balloc.c~ext4-balloc-use-io_error-label fs/ext4/balloc.c
    --- linux-2.6.19-rc5/fs/ext4/balloc.c~ext4-balloc-use-io_error-label 2006-11-28 19:42:45.000000000 -0800
    +++ linux-2.6.19-rc5-cmm/fs/ext4/balloc.c 2006-11-28 19:43:21.000000000 -0800
    @@ -1529,10 +1529,8 @@ retry_alloc:
    if (group_no >= ngroups)
    group_no = 0;
    gdp = ext4_get_group_desc(sb, group_no, &gdp_bh);
    - if (!gdp) {
    - *errp = -EIO;
    - goto out;
    - }
    + if (!gdp)
    + goto io_error;
    free_blocks = le16_to_cpu(gdp->bg_free_blocks_count);
    /*
    * skip this group if the number of
    _


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