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Wip client fsync #4778

Merged
merged 4 commits into from Jun 5, 2015
Merged

Wip client fsync #4778

merged 4 commits into from Jun 5, 2015

Commits on May 29, 2015

  1. client: don't update flushing_cap_seq when there are flushing caps 

    Current code always updates flushing_cap_seq when marking dirty
caps as flushing. If there are old flushing caps, updating
flushing_cap_seq confuses Client::wait_sync_caps(uint64_t), make
it think that the old caps have been flushed.

Signed-off-by: Yan, Zheng <zyan@redhat.com>
    @ukernel
    ukernel committed May 29, 2015
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  2. client: make fsync waits for single inode's flushing caps 

    Client::_fsync() calls Client::wait_sync_caps(uint64_t), which
waits for all inodes' flush caps. It's suboptimal, this patch
makes Client::_fsync() wait for flushing caps which belong to
the fsync inode.

Signed-off-by: Yan, Zheng <zyan@redhat.com>
    @ukernel
    ukernel committed May 29, 2015
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  3. client: make fsync wait for unsafe directory operations 

    Signed-off-by: Yan, Zheng <zyan@redhat.com>
    @ukernel
    ukernel committed May 29, 2015
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  4. client: start flushing dirty caps in Client::_fsync() 

    Client::flush_caps(Inode *, MetaSession *) does not start flushing
dirty caps. It only re-send caps message for caps that are already
being flushed.

Signed-off-by: Yan, Zheng <zyan@redhat.com>
    @ukernel
    ukernel committed May 29, 2015
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