Re: Question related to XFS sync , especially fsync

[Andi Kleen <andi@xxxxxxxxxxxxxx>]

"Gopala Krishna" <gopalakrishna.n.m@xxxxxxxxx> writes:

> we need to get information about
> file like it's extent information and associated block numbers etc.
 To
> extract these there is no system call 

Actually there is the FIOBMAP ioctl for data blocks. e.g. it's used by
boot loaders like lilo to create a block map to read a file without
knowledge of the file system. Should work on all file systems that
support lilo.

It won't give you information about metadata blocks though.

-Andi