On Thu, 2008-02-28 at 19:23 -0500, Christoph Hellwig wrote: > On Thu, Feb 28, 2008 at 06:44:43PM -0500, Dave Quigley wrote: > > The main reason for this was the way that NFS passes information it > > receives around. If you look in patch 11 you will see that > > nfsd4_decode_fattr doesn't give us access to an inode to use for > > security_inode_setsecurity and it doesn't give us a dentry to use the > > xattr helpers with. The only thing we get here is an iattr structure > > which is then passed back up to fill in the inode fields. Also without > > functionality provided by patch 1 we don't even know where to put the > > security blob we are getting from the wire. > > Take a look at how ACLs are handled. They're passed up from the _decode > operations into a small structure that is referenced by struct > nfsd4_<operation> and pass it up until the level where the dentry > is available. > Thanks for the heads up on this. This is partially the reason I wanted to post the set for feedback. If it pans out this will probably be a much cleaner method that doesn't muck around with VFS internals. > > > > > > > > > +#define DN_LABEL 0x00000040 /* File (re)labeled */ > > > > > > An any inotify/dnotify additions should be separate from the vfs to > > > filesystem interface. Please make it a separate patch and describe > > > properly why it's needed in it's description. > > > > Will do. We added them to conform to the functionality provided for > > other elements in the iattr structure. We will add a more robust > > explanation in the patch. > > > > > > > > > index df6b95d..1169963 100644 > > > > --- a/include/linux/xattr.h > > > > +++ b/include/linux/xattr.h > > > > @@ -50,6 +50,7 @@ ssize_t xattr_getsecurity(struct inode *, const char *, void *, size_t); > > > > ssize_t vfs_getxattr(struct dentry *, char *, void *, size_t); > > > > ssize_t vfs_listxattr(struct dentry *d, char *list, size_t size); > > > > int vfs_setxattr(struct dentry *, char *, void *, size_t, int); > > > > +int vfs_setxattr_locked(struct dentry *, char *, void *, size_t, int); > > > > int vfs_removexattr(struct dentry *, char *); > > > > > > > > ssize_t generic_getxattr(struct dentry *dentry, const char *name, void *buffer, size_t size); > > > > -- > > > > 1.5.3.8 > > > > > > > > - > > > > 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 > > > ---end quoted text--- > > > > -- > > 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 > ---end quoted text--- -- 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
