Name
generic_file_write_iter — 
     write data to a file
 
Synopsis
| ssize_t generic_file_write_iter ( | struct kiocb * iocb, | 
|  | struct iov_iter * from ); | 
 
Arguments
- iocb
- 
     IO state structure
     
- from
- 
     iov_iter with data to write
     
Description
   This is a wrapper around __generic_file_write_iter to be used by most
   filesystems. It takes care of syncing the file in case of O_SYNC file
   and acquires i_mutex as needed.