kgdb: fix optional arch functions and probe_kernel_*

[linux-2.6-omap-h63xx.git] / fs / ext4 / ioctl.c

diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index 5b00775d50961ed7d8acbb664daaa5544a799841..2ed7c37f897e79f0b9c6d6af3a5c2aad79fa7f59 100644 (file)
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -51,6 +51,11 @@ int ext4_ioctl (struct inode * inode, struct file * filp, unsigned int cmd,
                        flags &= ~EXT4_DIRSYNC_FL;
 
                mutex_lock(&inode->i_mutex);
+               /* Is it quota file? Do not allow user to mess with it */
+               if (IS_NOQUOTA(inode)) {
+                       mutex_unlock(&inode->i_mutex);
+                       return -EPERM;
+               }
                oldflags = ei->i_flags;
 
                /* The JOURNAL_DATA flag is modifiable only by root */
@@ -97,7 +102,7 @@ int ext4_ioctl (struct inode * inode, struct file * filp, unsigned int cmd,
                ei->i_flags = flags;
 
                ext4_set_inode_flags(inode);
-               inode->i_ctime = CURRENT_TIME_SEC;
+               inode->i_ctime = ext4_current_time(inode);
 
                err = ext4_mark_iloc_dirty(handle, inode, &iloc);
 flags_err:
@@ -134,7 +139,7 @@ flags_err:
                        return PTR_ERR(handle);
                err = ext4_reserve_inode_write(handle, inode, &iloc);
                if (err == 0) {
-                       inode->i_ctime = CURRENT_TIME_SEC;
+                       inode->i_ctime = ext4_current_time(inode);
                        inode->i_generation = generation;
                        err = ext4_mark_iloc_dirty(handle, inode, &iloc);
                }
@@ -194,7 +199,7 @@ flags_err:
                 * need to allocate reservation structure for this inode
                 * before set the window size
                 */
-               mutex_lock(&ei->truncate_mutex);
+               down_write(&ei->i_data_sem);
                if (!ei->i_block_alloc_info)
                        ext4_init_block_alloc_info(inode);
 
@@ -202,7 +207,7 @@ flags_err:
                        struct ext4_reserve_window_node *rsv = &ei->i_block_alloc_info->rsv_window_node;
                        rsv->rsv_goal_size = rsv_window_size;
                }
-               mutex_unlock(&ei->truncate_mutex);
+               up_write(&ei->i_data_sem);
                return 0;
        }
        case EXT4_IOC_GROUP_EXTEND: {
@@ -249,6 +254,9 @@ flags_err:
                return err;
        }
 
+       case EXT4_IOC_MIGRATE:
+               return ext4_ext_migrate(inode, filp, cmd, arg);
+
        default:
                return -ENOTTY;
        }