On 05/31/2012 10:37 AM, Jeff Liu wrote: > On 05/31/2012 09:54 AM, Ted Ts'o wrote: > >> On Thu, May 31, 2012 at 09:43:18AM +0800, Jeff Liu wrote: >>> I also think that is stupid to change all of the file systems with those >>> hook routines. >>> At first I have tried to change the quota layer by adding >>> ns_dquot_<foo>() to the corresponding dquot_<foo>(), it could works on >>> ext4, and it should works on other file systems which are tightly bound >>> to VFS quota IMHO. >>> >>> However, XFS has its own quota management subsystem, with looser binding >>> to VFS quota. That's why am trying to export those routines over all >>> the file systems and CC to the maintainers, sorry for the noise. >> >> No worries about the noise. I was just trying to suggest something >> that might be easier for you. >> >> As near as I can tell XFS doesn't use the fs/quota functions at all, >> yes? But if you add it into the fs/quota functions, it should get you >> integration with ext2, ext3, ext4, jfs, ocfs2, and reiserfs. Yes? > > Yes, I just took a quick look through over ocfs2, reiserfs and jfs, they > are all ok. Such being the case, maybe I should tight ns_dquot_<foo>() to VFS quota to reduce duplication firstly, at lease, it could works with most file systems. Then consider another way to let it works with other file systems doesn't use fs/quota. Thanks, -Jeff > > Thanks, > -Jeff > >> >> - Ted >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html