On Wed, Jun 16, 2010 at 12:59:54PM -0400, Rik van Riel wrote: > __GFP_IO can wait for filesystem activity Hmm I think it's for submitting I/O, not about waiting. At some point you may not enter the FS because of the FS locks you already hold (like within writepage itself), but you can still submit I/O through blkdev layer. > __GFP_FS can kick off new filesystem activity Yes that's for dcache/icache/writepage or anything that can reenter the fs locks and deadlock IIRC. -- 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
