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    Subject[PATCH] add page->mapping handling interface [21/35] changes in JBD

    Changes page->mapping handling in JBD

    Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>

    ---
    fs/jbd/journal.c | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    Index: test-2.6.23-rc4-mm1/fs/jbd/journal.c
    ===================================================================
    --- test-2.6.23-rc4-mm1.orig/fs/jbd/journal.c
    +++ test-2.6.23-rc4-mm1/fs/jbd/journal.c
    @@ -1822,7 +1822,7 @@ repeat:
    jh = bh2jh(bh);
    } else {
    if (!(atomic_read(&bh->b_count) > 0 ||
    - (bh->b_page && bh->b_page->mapping))) {
    + (bh->b_page && page_mapping_cache(bh->b_page)))) {
    printk(KERN_EMERG "%s: bh->b_count=%d\n",
    __FUNCTION__, atomic_read(&bh->b_count));
    printk(KERN_EMERG "%s: bh->b_page=%p\n",
    @@ -1830,7 +1830,7 @@ repeat:
    if (bh->b_page)
    printk(KERN_EMERG "%s: "
    "bh->b_page->mapping=%p\n",
    - __FUNCTION__, bh->b_page->mapping);
    + __FUNCTION__, page_mapping_cache(bh->b_page));
    }

    if (!new_jh) {
    -
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