ceph_aio_write(): switch to generic_perform_write()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2014-02-11 22:28:43 -05:00
parent 0a64bc2c04
commit aec605f429

View file

@ -970,6 +970,7 @@ retry_snap:
goto retry_snap;
}
} else {
struct iov_iter from;
/*
* No need to acquire the i_truncate_mutex. Because
* the MDS revokes Fwb caps before sending truncate
@ -977,8 +978,10 @@ retry_snap:
* are pending vmtruncate. So write and vmtruncate
* can not run at the same time
*/
written = generic_file_buffered_write(iocb, iov, nr_segs,
pos, count, 0);
iov_iter_init(&from, iov, nr_segs, count, 0);
written = generic_perform_write(file, &from, pos);
if (likely(written >= 0))
iocb->ki_pos = pos + written;
mutex_unlock(&inode->i_mutex);
}