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Christoph Hellwig authored
We do not need the ilock for most checks done in the beginning of xfs_setattr_size. Replace the long critical section before starting the transaction with a smaller one around xfs_zero_eof and an optional one inside xfs_qm_dqattach that isn't entered unless using quotas. While this isn't a big optimization for xfs_setattr_size itself it will allow pushing the ilock into xfs_zero_eof itself later. Signed-off-by:
Christoph Hellwig <hch@lst.de>
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