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    xfs: reset inode per-lifetime state when recycling it · 778e24bb
    Dave Chinner 提交于
    XFS inodes has several per-lifetime state fields that determine the
    behaviour of the inode. These state fields are not all reset when an
    inode is reused from the reclaimable state.
    
    This can lead to unexpected behaviour of the new inode such as
    speculative preallocation not being truncated away in the expected
    manner for local files until the inode is subsequently truncated,
    freed or cycles out of the cache. It can also lead to an inode being
    considered to be a filestream inode or having been truncated when
    that is not the case.
    
    Rework the reinitialisation of the inode when it is recycled to
    ensure that it is pristine before it is reused. While there, also
    fix the resetting of state flags in the recycling error paths so the
    inode does not become unreclaimable.
    Signed-off-by: NDave Chinner <dchinner@redhat.com>
    Signed-off-by: NAlex Elder <aelder@sgi.com>
    778e24bb
xfs_iget.c 19.3 KB