I am trying to obtain file name at block layer level (above IO scheduler). At this level I receive bio structure(describing write), within which page pointers are kept. Thereby I do following to obtain the inode and dentry - struct inode *inode_ptr = page->mapping->host; if (inode_ptr != NULL) /* Access dentry i.e. i_dentry in the inode */ This works usually. But problem is, inode and dentry may get released from inode and dentry cache at any time. While accessing inode/dentry I need to ensure that till the time I am accessing'em these structure remain valid in memory. Is it possible to ensure that? Which structures/locks I need to check for the purpose. Appreciate any help. Thanks! -- Joshi -- 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
