Merge branch 'next' of git://git.monstr.eu/linux-2.6-microblaze

[pandora-kernel.git] / fs / ext4 / extents.c

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index d202d76..63a7581 100644 (file)
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -3627,14 +3627,15 @@ static void ext4_falloc_update_inode(struct inode *inode,
 }
 
 /*
- * preallocate space for a file. This implements ext4's fallocate inode
+ * preallocate space for a file. This implements ext4's fallocate file
  * operation, which gets called from sys_fallocate system call.
  * For block-mapped files, posix_fallocate should fall back to the method
  * of writing zeroes to the required new blocks (the same behavior which is
  * expected for file systems which do not support fallocate() system call).
  */
-long ext4_fallocate(struct inode *inode, int mode, loff_t offset, loff_t len)
+long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
 {
+       struct inode *inode = file->f_path.dentry->d_inode;
        handle_t *handle;
        loff_t new_size;
        unsigned int max_blocks;
@@ -3644,6 +3645,10 @@ long ext4_fallocate(struct inode *inode, int mode, loff_t offset, loff_t len)
        struct ext4_map_blocks map;
        unsigned int credits, blkbits = inode->i_blkbits;
 
+       /* We only support the FALLOC_FL_KEEP_SIZE mode */
+       if (mode & ~FALLOC_FL_KEEP_SIZE)
+               return -EOPNOTSUPP;
+
        /*
         * currently supporting (pre)allocate mode for extent-based
         * files _only_
@@ -3651,10 +3656,6 @@ long ext4_fallocate(struct inode *inode, int mode, loff_t offset, loff_t len)
        if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)))
                return -EOPNOTSUPP;
 
-       /* preallocation to directories is currently not supported */
-       if (S_ISDIR(inode->i_mode))
-               return -ENODEV;
-
        map.m_lblk = offset >> blkbits;
        /*
         * We can't just convert len to max_blocks because