/* allocate the disk blocks for the extent. initially, extBalloc()
* will try to allocate disk blocks for the requested size (xlen).
- * if this fails (xlen contiguous free blocks not avaliable), it'll
+ * if this fails (xlen contiguous free blocks not available), it'll
* try to allocate a smaller number of blocks (producing a smaller
* extent), with this smaller number of blocks consisting of the
* requested number of blocks rounded down to the next smaller
*
* initially, we will try to allocate disk blocks for the
* requested size (nblocks). if this fails (nblocks
- * contiguous free blocks not avaliable), we'll try to allocate
+ * contiguous free blocks not available), we'll try to allocate
* a smaller number of blocks (producing a smaller extent), with
* this smaller number of blocks consisting of the requested
* number of blocks rounded down to the next smaller power of 2
* to a new set of blocks. If moving the extent, we initially
* will try to allocate disk blocks for the requested size
* (newnblks). if this fails (new contiguous free blocks not
- * avaliable), we'll try to allocate a smaller number of
+ * available), we'll try to allocate a smaller number of
* blocks (producing a smaller extent), with this smaller
* number of blocks consisting of the requested number of
* blocks rounded down to the next smaller power of 2