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Diffstat (limited to 'libdiskfs/dir-rename.c')
-rw-r--r--libdiskfs/dir-rename.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/libdiskfs/dir-rename.c b/libdiskfs/dir-rename.c
index 31fcc07f..22f2fee6 100644
--- a/libdiskfs/dir-rename.c
+++ b/libdiskfs/dir-rename.c
@@ -28,7 +28,8 @@ kern_return_t
diskfs_S_dir_rename (struct protid *fromcred,
char *fromname,
struct protid *tocred,
- char *toname)
+ char *toname,
+ int excl)
{
struct node *fdp, *tdp, *fnp, *tnp, *tmpnp;
error_t err;
@@ -99,6 +100,11 @@ diskfs_S_dir_rename (struct protid *fromcred,
mutex_lock (&tdp->lock);
err = diskfs_lookup (tdp, toname, RENAME, &tnp, ds, tocred);
+ if (!err && excl)
+ {
+ err = EEXIST;
+ diskfs_nput (tnp);
+ }
if (err && err != ENOENT)
{
diskfs_drop_dirstat (tdp, ds);