Messages in this thread | | | Date | Wed, 28 Apr 2004 14:59:23 -0600 | From | Andreas Dilger <> | Subject | Re: How can I allocate few bytes to a file to store info about that file? |
| |
On Apr 28, 2004 16:14 -0400, Vineet Joglekar wrote: > I was going through the functions like generic_file_write, > generic_file_direct_IO, generic_direct_IO and filemap_fdatasync. I was > thinking about calling these functions or calling functions written on > similar lines to add new few bytes to the file when the inode is created > by "ext2_create()". Can any1 please tell me how to do this? What I mean > is, I want to add few bytes to the file as soon as it is created. I want > to store some information regarding the file in that area.
See sys_setxattr(). You need support for extended attributes in your kernel and filesystem. This includes ext2/ext3 for 2.6, but only if you apply a patch for 2.4 I believe.
Cheers, Andreas -- Andreas Dilger http://sourceforge.net/projects/ext2resize/ http://www-mddsp.enel.ucalgary.ca/People/adilger/
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |