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由 Darrick J. Wong 提交于
Log recovery will iget an inode to replay BUI items and iput the inode when it's done. Unfortunately, if the inode was unlinked, the iput will see that i_nlink == 0 and decide to truncate & free the inode, which prevents us from replaying subsequent BUIs. We can't skip the BUIs because we have to replay all the redo items to ensure that atomic operations complete. Since unlinked inode recovery will reap the inode anyway, we can safely introduce a new inode flag to indicate that an inode is in this 'unlinked recovery' state and should not be auto-reaped in the drop_inode path. Signed-off-by: NDarrick J. Wong <darrick.wong@oracle.com> Reviewed-by: NChristoph Hellwig <hch@lst.de>
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