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    SubjectRe: [PATCH] 2.5: push BKL out of llseek

    On 29 Jan 2002, Robert Love wrote:
    > Another gain from pushing the locks into each method is that we can pick
    > and choose as-needed. If it turns out inode semaphore is a global
    > solution, the following patch is sufficient. Otherwise, we could
    > replace the lock_kernel in each caller with the inode semaphore, as
    > appropriate. Oh Al ??

    Doing it in the low-level filesystem would match how we now do it inside
    generic_file_write() - ie the locking is done by the low-level filesystem,
    but most low-level filesystems choose to use a generic helper function.

    And I think your patch is slightly wrong:

    > + down(&file->f_dentry->d_inode->i_sem);

    That should really be:


    to get the hosted filesystem case right (ie coda).


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