> On Thu, 2009-07-23 at 15:37 -0500, Eric Sandeen wrote: > > As for: > > > > #define EXT4_EXT_MIGRATE 0x00100000 /* Inode is migrating */ > > > > this is not in the mask that FS_IOC_GETFLAGS can see ... and I don't > > think anyone else uses FS_DIRECTIO_FL. > > > > I'm not sure if the flags not in FS_FL_USER_VISIBLE are supposed to be > > fs-unique. > > The flag will need to be generic in any case, since inode_setattr() has > to look at it when it's deciding whether or not to call vmtruncate(). > Other filesystems that properly implement fallocate() may want to use it > for this purpose as well. Actually, Nick Piggin is changing the truncate path (the patches may already be in Al Viro's tree) so that filesystem can come in earlier in the truncate path and can make the decision when to truncate and when not on its own. I guess this would help you... Honza -- Jan Kara <jack@xxxxxxx> SuSE CR Labs -- 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
