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    Subject[PATCH 02/27] fs: Push file_update_time() into __block_page_mkwrite()
    Date
    Tested-by: Kamal Mostafa <kamal@canonical.com>
    Tested-by: Peter M. Petrakis <peter.petrakis@canonical.com>
    Tested-by: Dann Frazier <dann.frazier@canonical.com>
    Tested-by: Massimo Morana <massimo.morana@canonical.com>
    Signed-off-by: Jan Kara <jack@suse.cz>
    ---
    fs/buffer.c | 6 ++++++
    1 files changed, 6 insertions(+), 0 deletions(-)

    diff --git a/fs/buffer.c b/fs/buffer.c
    index 36d6665..b8a2386 100644
    --- a/fs/buffer.c
    +++ b/fs/buffer.c
    @@ -2313,6 +2313,12 @@ int __block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf,
    loff_t size;
    int ret;

    + /*
    + * Update file times before taking page lock. We may end up failing the
    + * fault so this update may be superfluous but who really cares...
    + */
    + file_update_time(vma->vm_file);
    +
    lock_page(page);
    size = i_size_read(inode);
    if ((page->mapping != inode->i_mapping) ||
    --
    1.7.1


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