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    SubjectRe: [PATCH 3/4] fs: Lock the inode LRU list separately
    > That doesn't happen because the counter is only modified when
    > the inode is moved on/off the list and there are checks to avoid
    > removing an inode that is not on the list. Also, the inode is not
    > removed from the LRU in dispose_one_inode - it is always done when
    > the inode is marked I_FREEING while the i_lock is held before
    > calling dispose_one_inode().
    > Basically I wanted to remove the strange "inode is not on the LRU if
    > it is dirty or under writeback" accounting checks and make the
    > accounting symmetric with adding/removing the inodes from the LRU.
    > These are protected by list_empty() checks, so should always end up
    > with the correct accounting.
    > hence the only special case now is prune_icache() which already
    > holds the inode_lru_lock() so can't call the helper. Besides, we
    > don't need any checks there because we know the inode is on the LRU
    > already....

    Indeed. What about adding a


    to evict to ensure this invariant?

     \ /
      Last update: 2010-10-28 12:27    [W:0.019 / U:10.660 seconds]
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