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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2007-05-08 00:35:12 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-08 11:15:21 -0700 |
| commit | 277866a0e3a4f97e859f7a621f5b4f5359c9526c (patch) | |
| tree | 20b244f5c0c7b6a692f0290f70f0fefae9d88d5a /include/linux/nfs_fs_sb.h | |
| parent | 79df3c19aa601d264719b04e3a788a7b852f4859 (diff) | |
| download | op-kernel-dev-277866a0e3a4f97e859f7a621f5b4f5359c9526c.zip op-kernel-dev-277866a0e3a4f97e859f7a621f5b4f5359c9526c.tar.gz | |
nfs: fix congestion control: use atomic_longs
Change the atomic_t in struct nfs_server to atomic_long_t in anticipation
of machines that can handle 8+TB of (4K) pages under writeback.
However I suspect other things in NFS will start going *bang* by then.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/nfs_fs_sb.h')
| -rw-r--r-- | include/linux/nfs_fs_sb.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index c95d5e6..52b4378 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -82,7 +82,7 @@ struct nfs_server { struct rpc_clnt * client_acl; /* ACL RPC client handle */ struct nfs_iostats * io_stats; /* I/O statistics */ struct backing_dev_info backing_dev_info; - atomic_t writeback; /* number of writeback pages */ + atomic_long_t writeback; /* number of writeback pages */ int flags; /* various flags */ unsigned int caps; /* server capabilities */ unsigned int rsize; /* read size */ |
