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| /linux-master/fs/xfs/libxfs/ | ||
| H A D | xfs_btree.h | diff cf612de7 Wed Jul 11 23:26:29 MDT 2018 Brian Foster <bfoster@redhat.com> xfs: remove xfs_btree_cur private firstblock field The bmbt cursor private structure has a firstblock field that is used to maintain locking order on bmbt allocations. The field holds an actual firstblock value (as opposed to a pointer), so it is initialized on cursor creation, updated on allocation and then the value is transferred back to the source before the cursor is destroyed. This value is always transferred from and back to the ->t_firstblock field. Since xfs_btree_cur already carries a reference to the transaction, we can remove this field from xfs_btree_cur and the associated copying. The bmbt allocations will update the value in the transaction directly. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> |
| H A D | xfs_bmap_btree.c | diff cf612de7 Wed Jul 11 23:26:29 MDT 2018 Brian Foster <bfoster@redhat.com> xfs: remove xfs_btree_cur private firstblock field The bmbt cursor private structure has a firstblock field that is used to maintain locking order on bmbt allocations. The field holds an actual firstblock value (as opposed to a pointer), so it is initialized on cursor creation, updated on allocation and then the value is transferred back to the source before the cursor is destroyed. This value is always transferred from and back to the ->t_firstblock field. Since xfs_btree_cur already carries a reference to the transaction, we can remove this field from xfs_btree_cur and the associated copying. The bmbt allocations will update the value in the transaction directly. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> |
| H A D | xfs_bmap.c | diff cf612de7 Wed Jul 11 23:26:29 MDT 2018 Brian Foster <bfoster@redhat.com> xfs: remove xfs_btree_cur private firstblock field The bmbt cursor private structure has a firstblock field that is used to maintain locking order on bmbt allocations. The field holds an actual firstblock value (as opposed to a pointer), so it is initialized on cursor creation, updated on allocation and then the value is transferred back to the source before the cursor is destroyed. This value is always transferred from and back to the ->t_firstblock field. Since xfs_btree_cur already carries a reference to the transaction, we can remove this field from xfs_btree_cur and the associated copying. The bmbt allocations will update the value in the transaction directly. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> |
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