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authorLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2008-12-22 17:34:26 +1100
committerLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2008-12-22 17:34:26 +1100
commit27a0464a6cb837d3a90b6e69365dfc01cb0dff2f (patch)
tree361f00f4d4ad4c01b6144c52004bee2b948742ad /lib/idr.c
parent4d9d4ebf5de848e3450e23e4db9ac74e23e5daa6 (diff)
parent3d44cc3e01ee1b40317f79ed54324e25c4f848df (diff)
[XFS] Fix merge conflict in fs/xfs/xfs_rename.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: fs/xfs/xfs_rename.c Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Diffstat (limited to 'lib/idr.c')
-rw-r--r--lib/idr.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/idr.c b/lib/idr.c
index 7a785a0c2ea..1c4f9281f41 100644
--- a/lib/idr.c
+++ b/lib/idr.c
@@ -220,8 +220,14 @@ build_up:
*/
while ((layers < (MAX_LEVEL - 1)) && (id >= (1 << (layers*IDR_BITS)))) {
layers++;
- if (!p->count)
+ if (!p->count) {
+ /* special case: if the tree is currently empty,
+ * then we grow the tree by moving the top node
+ * upwards.
+ */
+ p->layer++;
continue;
+ }
if (!(new = get_from_free_list(idp))) {
/*
* The allocation failed. If we built part of