In vanilla 2.6.32, I mount nfs4 on localhost: /n/export is the exported point; /n/lower is the client-side mount point. I tried these two commands in rapid succession: # cp /bin/ls /n/lower/ls ; stat /bin/ls /n/lower/ls /n/export/ls File: `/bin/ls' Size: 93560 Blocks: 192 IO Block: 4096 regular file Device: 301h/769d Inode: 98160 Links: 1 Access: (0755/-rwxr-xr-x) Uid: ( 0/ root) Gid: ( 0/ root) Access: 2009-12-05 18:14:30.000000000 -0500 Modify: 2007-10-31 09:13:32.000000000 -0400 Change: 2008-03-23 18:02:54.000000000 -0400 File: `/n/lower/ls' Size: 93560 Blocks: 0 IO Block: 262144 regular file Device: fh/15d Inode: 212599 Links: 1 Access: (0755/-rwxr-xr-x) Uid: ( 0/ root) Gid: ( 100/ users) Access: 2009-12-05 22:35:53.000000000 -0500 Modify: 2009-12-05 22:35:53.000000000 -0500 Change: 2009-12-05 22:35:53.000000000 -0500 File: `/n/export/ls' Size: 93560 Blocks: 192 IO Block: 4096 regular file Device: 301h/769d Inode: 212599 Links: 1 Access: (0755/-rwxr-xr-x) Uid: ( 0/ root) Gid: ( 100/ users) Access: 2009-12-05 22:35:53.000000000 -0500 Modify: 2009-12-05 22:35:53.000000000 -0500 Change: 2009-12-05 22:35:53.000000000 -0500 The NFS server sees the inode size/blocks correctly; the NFS client, OTOH, only sees the inode size correctly. If I wait a few seconds, then the client's inode size and blocks become correct. I can easily reproduce this. It doesn't happen with nfs2/3, only nfs4. So, why this discrepancy? Why does i_size become immdiately correct while i_blocks takes a few seconds. This is messing up my regression suites which run on top of nfs4. Plus, doesn't this violate some posix spec? Thanks, Erez. -- 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
