btrfs: more open-coded file_inode()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 0f81d67cdc8da651890df1a89c01df9188667d97..cd7e96c73cb71df0589f1866346ab5ff2714eb96 100644 (file)
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -3881,7 +3881,7 @@ drop_write:
 
 static long btrfs_ioctl_quota_rescan(struct file *file, void __user *arg)
 {
-       struct btrfs_root *root = BTRFS_I(fdentry(file)->d_inode)->root;
+       struct btrfs_root *root = BTRFS_I(file_inode(file))->root;
        struct btrfs_ioctl_quota_rescan_args *qsa;
        int ret;
 
@@ -3914,7 +3914,7 @@ drop_write:
 
 static long btrfs_ioctl_quota_rescan_status(struct file *file, void __user *arg)
 {
-       struct btrfs_root *root = BTRFS_I(fdentry(file)->d_inode)->root;
+       struct btrfs_root *root = BTRFS_I(file_inode(file))->root;
        struct btrfs_ioctl_quota_rescan_args *qsa;
        int ret = 0;
 
@@ -4020,7 +4020,7 @@ out:
 
 static int btrfs_ioctl_get_fslabel(struct file *file, void __user *arg)
 {
-       struct btrfs_root *root = BTRFS_I(fdentry(file)->d_inode)->root;
+       struct btrfs_root *root = BTRFS_I(file_inode(file))->root;
        const char *label = root->fs_info->super_copy->label;
        size_t len = strnlen(label, BTRFS_LABEL_SIZE);
        int ret;
@@ -4039,7 +4039,7 @@ static int btrfs_ioctl_get_fslabel(struct file *file, void __user *arg)
 
 static int btrfs_ioctl_set_fslabel(struct file *file, void __user *arg)
 {
-       struct btrfs_root *root = BTRFS_I(fdentry(file)->d_inode)->root;
+       struct btrfs_root *root = BTRFS_I(file_inode(file))->root;
        struct btrfs_super_block *super_block = root->fs_info->super_copy;
        struct btrfs_trans_handle *trans;
        char label[BTRFS_LABEL_SIZE];