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    Subject[PATCH 06/15] reiserfs: open-code reiserfs_mutex_lock_safe() in reiserfs_unpack()
    Date
    From: Al Viro <viro@zeniv.linux.org.uk>

    ... and have it use inode_lock()

    Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
    ---
    fs/reiserfs/ioctl.c | 6 +++++-
    1 file changed, 5 insertions(+), 1 deletion(-)

    diff --git a/fs/reiserfs/ioctl.c b/fs/reiserfs/ioctl.c
    index 036a1fc..f49afe7 100644
    --- a/fs/reiserfs/ioctl.c
    +++ b/fs/reiserfs/ioctl.c
    @@ -187,7 +187,11 @@ int reiserfs_unpack(struct inode *inode, struct file *filp)
    }

    /* we need to make sure nobody is changing the file size beneath us */
    - reiserfs_mutex_lock_safe(&inode->i_mutex, inode->i_sb);
    +{
    + int depth = reiserfs_write_unlock_nested(inode->i_sb);
    + inode_lock(inode);
    + reiserfs_write_lock_nested(inode->i_sb, depth);
    +}

    reiserfs_write_lock(inode->i_sb);

    --
    2.8.0.rc3
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