diff options
| author | Christoph Hellwig <hch@lst.de> | 2017-11-16 22:11:35 -0600 |
|---|---|---|
| committer | Eric Sandeen <sandeen@redhat.com> | 2017-11-16 22:11:35 -0600 |
| commit | ba0bf2c60a5f303577e7d1e99a7d056bc5eaea91 (patch) | |
| tree | b4c6fe422b8fe3adff8e64da850bb5866e8dede5 | |
| parent | fd4c3ba5ec7e7f10db7b87fd5292483886dad213 (diff) | |
| download | xfsprogs-dev-ba0bf2c60a5f303577e7d1e99a7d056bc5eaea91.tar.gz | |
xfs: add some comments to xfs_iext_insert/xfs_iext_insert_node
Source kernel commit: fc258f4b8bb578c39223ff572b4dec8d56a2ed81
Reported-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
| -rw-r--r-- | libxfs/xfs_iext_tree.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libxfs/xfs_iext_tree.c b/libxfs/xfs_iext_tree.c index 7f99d76ceb..5df0bb327d 100644 --- a/libxfs/xfs_iext_tree.c +++ b/libxfs/xfs_iext_tree.c @@ -525,6 +525,10 @@ again: if (nr_entries == KEYS_PER_NODE) new = xfs_iext_split_node(&node, &pos, &nr_entries); + /* + * Update the pointers in higher levels if the first entry changes + * in an existing node. + */ if (node != new && pos == 0 && nr_entries > 0) xfs_iext_update_node(ifp, node->keys[0], offset, level, node); @@ -643,6 +647,10 @@ xfs_iext_insert( if (nr_entries == RECS_PER_LEAF) new = xfs_iext_split_leaf(cur, &nr_entries); + /* + * Update the pointers in higher levels if the first entry changes + * in an existing node. + */ if (cur->leaf != new && cur->pos == 0 && nr_entries > 0) { xfs_iext_update_node(ifp, xfs_iext_leaf_key(cur->leaf, 0), offset, 1, cur->leaf); |