[PATCH] devpts: switch to IDA

Devpts code wants just numbers for tty indexes.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 8 insertions, 8 deletions

diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index 285b64a8b06e..488eb424f662 100644
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -29,7 +29,7 @@
 #define DEVPTS_DEFAULT_MODE 0600
 
 extern int pty_limit;                   /* Config limit on Unix98 ptys */
-static DEFINE_IDR(allocated_ptys);
+static DEFINE_IDA(allocated_ptys);
 static DEFINE_MUTEX(allocated_ptys_lock);
 
 static struct vfsmount *devpts_mnt;
@@ -180,24 +180,24 @@ static struct dentry *get_node(int num)
 int devpts_new_index(void)
 {
         int index;
-        int idr_ret;
+        int ida_ret;
 
 retry:
-        if (!idr_pre_get(&allocated_ptys, GFP_KERNEL)) {
+        if (!ida_pre_get(&allocated_ptys, GFP_KERNEL)) {
                 return -ENOMEM;
         }
 
         mutex_lock(&allocated_ptys_lock);
-        idr_ret = idr_get_new(&allocated_ptys, NULL, &index);
-        if (idr_ret < 0) {
+        ida_ret = ida_get_new(&allocated_ptys, &index);
+        if (ida_ret < 0) {
                 mutex_unlock(&allocated_ptys_lock);
-                if (idr_ret == -EAGAIN)
+                if (ida_ret == -EAGAIN)
                         goto retry;
                 return -EIO;
         }
 
         if (index >= pty_limit) {
-                idr_remove(&allocated_ptys, index);
+                ida_remove(&allocated_ptys, index);
                 mutex_unlock(&allocated_ptys_lock);
                 return -EIO;
         }
@@ -208,7 +208,7 @@ retry:
 void devpts_kill_index(int idx)
 {
         mutex_lock(&allocated_ptys_lock);
-        idr_remove(&allocated_ptys, idx);
+        ida_remove(&allocated_ptys, idx);
         mutex_unlock(&allocated_ptys_lock);
 }