Hi Janson, I started looking at this. This seems is a genuine issue with the current implementation. It might take me a while to give you a patch to test due to other burning stuff on my queue. But anyhow, thanks for reporting this! Benny On 2011-07-09 18:47, Janson wrote: > In the pnfs + ext4 test,we found a problem: when writting a file in pnfs > we can not read the contents from ext4. After studying we found that > ext4 extent have a initialize flag, when pnfs call fallocate, the flag will > be set to 1, but after pnfs writting data by truncate, the flags can not > be set to 0. If the flag is 1,ext4 can not read the content. > Now,in ext4 code,The only wan that ext4 set the flag to 0 is DIO. > Do you know how to solve this problem? > > > Best regards, > Janson > -- > To unsubscribe from this list: send the line "unsubscribe linux-nfs" 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-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
